电子元器件供应链解决方案商

首页 > 产品 > 分立半导体产品 > 晶体管 > 双极型晶体管（BJT） > 双极射频晶体管

双极射频晶体管

制造商	系列	封装/外壳	包装	产品状态	晶体管类型	电压 - 集电极发射极击穿（最大值）	频率 - 跃迁	噪声系数（典型值 dB @ f）	增益	功率 - 最大值	直流电流增益（hFE）（最小值）@ Ic, Vce	电流 - 集电极 (Ic)（最大值）	工作温度	等级	认证	安装类型	供应商设备封装
Ampleon USA Inc. Analog Devices Inc./Maxim Integrated Broadcom Limited CEL Central Semiconductor Corp Diodes Incorporated EVVO Fairchild Semiconductor Freescale Semiconductor Harris Corporation Infineon Technologies Intersil MACOM Technology Solutions Micro Commercial Co Microchip Technology Microsemi Corporation NXP Semiconductors onsemi Panasonic - BSG Panjit International Inc. Renesas Rochester Electronics, LLC ROHM Semiconductor Sanyo Shenzhen Slkormicro Semicon Co., Ltd. Skyworks Solutions Inc. STMicroelectronics Texas Instruments Toshiba Semiconductor and Storage	* - SIEGET™ TrenchFET®	- 14-DIP (0.300", 7.62mm) 14-SOIC (0.154", 3.90mm Width) 16-CDIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) 16-SOIC (0.154", 3.90mm Width) 16-VFQFN Exposed Pad 211-07 211-07, Style 1 211-11, Style 1 211-11, Style 2 244-04 244A-01 2L-FLG 3-SIP 3-SMD, Flat Leads 3-SMD, Gull Wing 3-SMD, No Lead 3-XFDFN 305A-01 316-01 332A-02 332A-03 336E-02 355C-02 355E-01 355J-02 376B-02 395C-01 4-SMD (100 mil) 4-SMD (200 mil BeO) 4-SMD (230 mil BeO) 4-SMD (35 micro-X) 4-SMD (36 micro-X) 4-SMD (70 mil) 4-SMD (85 Plastic) 4-SMD, Flat Leads 4-SMD, Gull Wing 4-SMD, No Lead 4-UFDFN 55AT 55AU 55AV 55AW 55AW-1 55AZ 55BT 55BT-1 55CT 55CX 55ET 55FT 55FW 55FW-1 55HV 55HX 55JT 55JU 55JV 55KT 55KV 55LT 55LV 55RT 55SM 55ST 55ST-1 55SW 55TU-1 6-SMD, Flat Leads 6-TSSOP, SC-88, SOT-363 6-VSSOP, SC-88, SOT-363 6-XFDFN 744A-01 8-SMD, Flat Lead Exposed Pad 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) Exposed Pad Die E-Line-3 E-Line-3, Formed Leads M102 M103 M105 M111 M112 M113 M115 M122 M123 M130 M135 M138 M150 M156 M164 M173 M174 M177 M214 M216 M218 M220 M222 Macro-X Micro-X ceramic (84C) MICRO-X1 Module Power Macro SC-101, SOT-883 SC-61AA SC-70, SOT-323 SC-75, SOT-416 SC-80 SC-81 SC-82A, SOT-343 SC-85 SC-89, SOT-490 SC-96 SOT-121B SOT-143R SOT-23-3 Flat Leads SOT-23-6 SOT-23-6 Thin, TSOT-23-6 SOT-3 SOT-343 Reverse Pinning SOT-343F SOT-422A SOT-423A SOT-439A SOT-443A SOT-445C SOT-523 SOT-563, SOT-666 SOT-623F SOT-723 SOT-86 TO-205AA, TO-5-3 Metal Can TO-205AD, TO-39-3 Metal Can TO-206AA, TO-18-3 Metal Can TO-206AF, TO-72-4 Metal Can TO-225AA, TO-126-3 TO-226-3, TO-92-3 (TO-226AA) TO-226-3, TO-92-3 (TO-226AA) Formed Leads TO-226-3, TO-92-3 Long Body TO-226-3, TO-92-3 Long Body, Formed Leads TO-226-3, TO-92-3 Short Body TO-236-3, SC-59, SOT-23-3 TO-243AA TO-253-4, TO-253AA TO-261-4, TO-261AA TO-39 TO-72-3 Metal Can	- Box Bulk Cut Tape (CT) Strip Tape & Box (TB) Tape & Reel (TR) Tray Tube	Active Discontinued at BomKey Last Time Buy Not For New Designs Obsolete	- 2 NPN (Dual) 2 NPN (Dual) Common Emitter 2 PNP (Dual) 3 NPN + 2 PNP 5 NPN 5 PNP 6 NPN NPN PNP	- 10V 110V 11V 120V 12V 12V, 15V 13V 15V 16V 17V 18V 2.25V 2.3V 2.6V 2.8V 200V 20V 22V 24V 25V 27V 28V 3.3V 3.5V 3.7V 30V 31V 33V 35V 36V 3V 4.3V 4.5V 4.7V 40V 42V 45V 48V 4V 5.3V 5.5V 5.8V 50V 55V 58V 5V 5V, 10V 5V, 9V 6.1V 6.5V 60V 63V 65V 6V 70V 75V 7V 80V 8V 9.2V 9.5V 90V 9V	- 1.025GHz ~ 1.15GHz 1.03GHz 1.03GHz ~ 1.09GHz 1.09GHz 1.15GHz 1.1GHz 1.215GHz 1.2GHz 1.2GHz ~ 1.4GHz 1.3GHz 1.45GHz 1.48GHz ~ 1.65GHz 1.4GHz 1.5GHz 1.5MHz ~ 30MHz 1.6GHz 1.7GHz 1.85GHz 1.9GHz 10.5GHz 10.8GHz 100MHz ~ 400MHz 100MHz ~ 500MHz 10GHz 10GHz ~ 12.5GHz 11.2GHz 11.5GHz 110GHz 118MHz ~ 136MHz 11GHz 12.5GHz 12GHz 136MHz 136MHz ~ 175MHz 14.5GHz 14GHz 150MHz 15GHz 16GHz 17.5GHz 175MHz 17GHz 18GHz 1GHz 1GHz ~ 1.4GHz 2.1GHz 2.2GHz ~ 2.4GHz 2.2GHz ~ 2.5GHz 2.3GHz 2.4GHz 2.5GHz 2.7GHz 2.7GHz ~ 2.9GHz 2.7GHz ~ 3.1GHz 2.8GHz 200MHz 200MHz ~ 500MHz 20GHz 21GHz 22.5GHz 225MHz 225MHz ~ 400MHz 22GHz 22GHz, 14GHz 22GHz, 9GHz 230MHz 235MHz 24GHz 250MHz 25GHz 26.5GHz 26GHz 28GHz 2GHz 3.1GHz 3.2GHz 3.4GHz ~ 3.7GHz 3.5GHz 3.7GHz 300MHz 30GHz 30MHz 320MHz 37GHz 38GHz 39GHz 3GHz 4.3GHz 4.5GHz 4.5GHz ~ 5.5GHz 4.7GHz 400MHz 400MHz ~ 500MHz 40GHz 42GHz 43GHz 450MHz 450MHz ~ 512MHz 45GHz 46GHz 470MHz 470MHz ~ 860MHz 47GHz 4GHz 5.2GHz 5.5GHz 5.8GHz 500MHz 500MHz ~ 1GHz 50MHz 510MHz 53GHz 550MHz 55GHz 5GHz 6.5GHz 6.7GHz 600MHz 60GHz 650MHz 65GHz 6GHz 7.5GHz 7.7GHz 7.8GHz 700MHz 70GHz 75GHz 7GHz 8.5GHz 800MHz 80GHz 850MHz 85GHz 860MHz 870MHz 890MHz ~ 1GHz 8GHz 8GHz, 5.5GHz 900MHz 960MHz ~ 1.215GHz 9GHz	- 0.42dB ~ 1.1dB @ 1.5GHz ~ 12GHz 0.4dB ~ 0.5dB @ 1.5GHz ~ 2.4GHz 0.4dB ~ 0.95dB @ 150MHz ~ 10GHz 0.4dB ~ 1dB @ 150MHz ~ 10GHz 0.55dB @ 2GHz 0.55dB ~ 1.55dB @ 150MHz ~ 10GHz 0.55dB ~ 1.7dB @ 150MHz ~ 10GHz 0.55dB ~ 1.8dB @ 150MHz ~ 10GHz 0.5dB @ 450MHz 0.5dB ~ 0.75dB @ 1.8GHz ~ 6GHz 0.5dB ~ 0.75dB @ 2GHz ~ 5.8GHz 0.5dB ~ 0.7dB @ 1.9GHz ~ 5.5GHz 0.5dB ~ 0.85dB @ 1.8GHz ~ 6GHz 0.5dB ~ 0.8dB @ 1.8GHz ~ 6Ghz 0.5dB ~ 0.95dB @ 900MHz ~ 5.5GHz 0.5dB ~ 1.3dB @ 150MHz ~ 10GHz 0.5dB ~ 1.45dB @ 150MHz ~ 10GHz 0.5dB ~ 2.1dB @ 1.8GHz 0.65dB @ 3.5GHz 0.65dB @ 900MHz 0.65dB ~ 1.2dB @ 1.8GHz ~ 6GHz 0.6dB @ 900MHz 0.6dB ~ 0.7dG @ 1.5GHz ~ 2.4GHz 0.6dB ~ 0.85dB @ 500MHz ~ 1GHz 0.6dB ~ 1.1dB @ 1.8GHz ~ 6GHz 0.6dB ~ 1.2dB @ 1.5GHz ~ 5.8GHz 0.6dB ~ 1.2dB @ 1GHz ~ 2GHz 0.6dB ~ 2dB @ 150MHz ~ 10GHz 0.75dB @ 5.5GHz 0.75dB @ 6GHz 0.75db @ 900MHz 0.75dB ~ 1.3dB @ 1.5GHz ~ 5.8GHz 0.7dB @ 1GHz 0.7dB @ 900MHz 0.7dB ~ 1.2dB @ 100MHz ~ 3GHz 0.7dB ~ 1.3dB @ 1.8GHz ~ 6GHz 0.7dB ~ 1.8dB @ 1.8GHz ~ 5.8GHz 0.85dB @ 5.5GHz 0.85dB ~ 1.45dB @ 5.8GHz ~ 12GHz 0.8dB ~ 1.1dB @ 900MHz ~ 1.9GHz 0.8dB ~ 1.2dB @ 900MHz ~ 2GHz 0.8dB ~ 1.3dB @ 1.8GHz ~ 6GHz 0.8dB ~ 1.3dB @ 2GHz ~ 5.2GHz 0.8dB ~ 1.3dB @ 5.8GHz ~ 12GHz 0.8dB ~ 1.5dB @ 2GHz 0.8dB ~ 1.7dB @ 450MHz ~ 10GHz 0.8dB ~ 1.9dB @ 1.8GHz ~ 6GHz 0.95dB @ 1.8GHz 0.9dB @ 1GHz 0.9dB ~ 1.1dB @ 2GHz 0.9dB ~ 1.2dB @ 100MHz ~ 2.4GHz 0.9dB ~ 1.2dB @ 900MHz 0.9dB ~ 1.2dB @ 900MHz ~ 1.8GHz 0.9dB ~ 1.2dB @ 900MHz ~ 2GHz 0.9dB ~ 1.3dB @ 2GHz ~ 5.2GHz 0.9dB ~ 1.3dB @ 900MHz ~ 1.8GHz 0.9dB ~ 1.4dB @ 1.8GHz 0.9dB ~ 1.4dB @ 900MHz ~ 1.8GHz 0.9dB ~ 1.5dB @ 2GHz 0.9dB ~ 1.7dB @ 1.5GHz ~ 5.8GHz 0.9dB ~ 1.85dB @ 450MHz ~ 10GHz 0.9dB ~ 3dB @ 1GHz ~ 1.5GHz 1.15dB @ 1.8GHz 1.15dB @ 1GHz 1.1dB @ 1.8GHz 1.1dB @ 12GHz 1.1dB @ 1GHz 1.1dB @ 2.4GHz 1.1dB @ 2GHz 1.1dB @ 900MHz 1.1dB ~ 1.2dB @ 5GHz ~ 5.9GHz 1.1dB ~ 1.35dB @ 1.8GHz ~ 3GHz 1.1dB ~ 1.4dB @ 1.8GHz ~ 3GHz 1.1dB ~ 1.4dB @ 900MHz 1.1dB ~ 1.6dB @ 1.8GHz ~ 3GHz 1.1dB ~ 1.9dB @ 900MHz ~ 2GHz 1.1dB ~ 2.1dB @ 900MHz 1.1dB ~ 2dB @ 1GHz 1.25dB @ 1.8GHz 1.25dB @ 1GHz 1.2dB @ 1.8GHz 1.2dB @ 1GHz 1.2dB @ 2GHz 1.2dB @ 900MHz 1.2dB ~ 1.8dB @ 900MHz ~ 2GHz 1.2dB ~ 1.9dB @ 900MHz ~ 1.8GHz 1.2dB ~ 1.9dB @ 900MHz ~ 2GHz 1.2dB ~ 2.1dB @ 900MHz 1.2dB ~ 2.4dB @ 900MHz ~ 3.5GHz 1.2dB ~ 2.5dB @ 1GHz 1.2dB ~ 2dB @ 1GHz 1.2dB ~ 2dB @ 900MHz ~ 1.8GHz 1.3dB @ 1.8GHz 1.3dB @ 1GHz 1.3dB @ 2GHz 1.3dB @ 900MHz 1.3dB ~ 1.7dB @ 9MHz 1.3dB ~ 1.8dB @ 1GHz ~ 2GHz 1.3dB ~ 1.8dB @ 900MHz 1.3dB ~ 1.9dB @ 1.8GHz ~ 3GHz 1.3dB ~ 2.2dB @ 1GHz ~ 2GHz 1.3dB ~ 2.3dB @ 900MHz ~ 1.8GHz 1.3dB ~ 2.4dB @ 900MHz 1.3dB ~ 2.5dB @ 800MHz 1.3dB ~ 2dB @ 1GHz ~ 2GHz 1.3dB ~ 2dB @ 2GHz 1.3dB ~ 2dB @ 800MHz 1.3dB ~ 2dB @ 900MHz ~ 1.8GHz 1.3dB ~ 3dB @ 1GHz ~ 2GHz 1.3dB ~ 3dB @ 1GHz ~ 4GHz 1.45dB @ 1GHz 1.45dB @ 20mA, 5V 1.45dB ~ 1.8dB @ 900MHz ~ 1.8GHz 1.4dB @ 1.5GHz 1.4dB @ 1.8GHz 1.4dB @ 1GHz 1.4dB ~ 0.9dB @ 1.5GHz ~ 1GHz 1.4dB ~ 1.8dB @ 1GHz ~ 2GHz 1.4dB ~ 2.2dB @ 1GHz ~ 2GHz 1.4dB ~ 2.5dB @ 1GHz 1.4dB ~ 2.7dB @ 1GHz 1.4dB ~ 2dB @ 1GHz 1.4dB ~ 2dB @ 1GHz ~ 2GHz 1.4dB ~ 2dB @ 2GHz 1.4dB ~ 2dB @ 900MHz ~ 1.8GHz 1.4dB ~ 3dB @ 1GHz ~ 4GHz 1.5dB @ 12GHz 1.5dB @ 1GHz 1.5dB @ 2GHz 1.5dB @ 450MHz 1.5dB @ 900MHz 1.5dB ~ 1.6dB @ 1GHz ~ 2GHz 1.5dB ~ 1.7dB @ 400MHz ~ 1.8GHz 1.5dB ~ 2.1dB @ 1GHz 1.5dB ~ 2.1dB @ 1GHz ~ 2GHz 1.5dB ~ 2.5dB @ 1GHz 1.5dB ~ 2.5dB @ 2GHz 1.5dB ~ 2.6dB @ 900MHz ~ 1.8GHz 1.5dB ~ 2.9dB @ 1GHz ~ 4GHz 1.5dB ~ 2dB @ 2GHz 1.5dB ~ 2dB @ 500MHz ~ 1GHz 1.6dB @ 0.4GHz 1.6dB @ 2GHz 1.7dB @ 2GHz 1.7dB @ 800MHz 1.7dB @ 900MHz 1.7dB ~ 1.9dB @ 1GHz ~ 2GHz 1.7dB ~ 2.3dB @ 1GHz ~ 2GHz 1.7dB ~ 2.5dB @ 2GHz 1.7dB ~ 2.6dB @ 2GHz ~ 4GHz 1.8dB @ 150MHz 1.8dB @ 1GHz 1.8dB @ 2GHz 1.8dB ~ 2.1dB @ 500MHz ~ 1GHz 1.8dB ~ 2dB @ 1GHz 1.8dB ~ 3dB @ 900MHz ~ 1.8Ghz 1.9dB @ 1GHz 1.9dB @ 2GHz 1.9dB @ 900MHz 1.9dB ~ 2.1dB @ 900MHz ~ 2GHz 1.9dB ~ 2.4dB @ 900MHz 1.9dB ~ 2.5dB @ 2GHz 1.9dB ~ 2dB @ 1GHz 1.9dB ~ 3.2dB @ 2GHz 1.9dB ~ 3.5dB @ 2GHz ~ 4GHz 1.9dB ~ 3dB @ 1GHz ~ 2GHz 1.9dB ~ 3dB @ 2GHz ~ 4GHz 1dB @ 1.8GHz 1dB @ 1GHz 1dB @ 2GHz 1dB @ 500MHz 1dB @ 800MHz 1dB @ 900MHz 1dB ~ 1.3dB @ 1.8GHz ~ 3GHz 1dB ~ 1.3dB @ 900MHz 1dB ~ 1.5dB @ 1.8GHz ~ 3GHz 1dB ~ 1.5dB @ 2GHz 1dB ~ 1.6dB @ 1.8GHz ~ 3GHz 1dB ~ 1.6dB @ 400MHz ~ 1.8GHz 1dB ~ 1.6dB @ 900MHz ~ 1.8GHz 1dB ~ 1.6dB @ 900MHz ~ 2.4GHz 1dB ~ 1.6dB @ 900MHz ~ 2GHz 1dB ~ 1.7dB @ 800MHz 1dB ~ 1.7dB @ 900MHz ~ 2.4GHz 1dB ~ 1.9dB @ 900MHz ~ 2.4GHz 1dB ~ 2.5dB @ 1GHz 2.1dB ~ 3dB @ 1GHz ~ 2GHz 2.2dB @ 1.5GHz 2.3dB @ 1GHz 2.3dB ~ 2.9dB @ 2GHz 2.3dB ~ 5dB @ 100MHz 2.4dB @ 1GHz 2.4dB @ 500MHz 2.4dB ~ 3dB @ 500MHz ~ 1GHz 2.5dB @ 100MHz 2.5dB @ 1GHz 2.5dB @ 400MHz 2.5dB @ 500MHz 2.5dB @ 800MHz 2.5dB ~ 3dB @ 500MHz ~ 1GHz 2.5dB ~ 5dB @ 500MHz 2.6dB @ 1.8GHz 2.6dB ~ 1.9dB @ 1GHz 2.7dB ~ 3dB @ 500MHz ~ 1GHz 2.8dB ~ 4dB @ 5MHz 2dB @ 1GHz 2dB @ 1MHz 2dB @ 200MHz 2dB @ 800MHz (Max) 2dB ~ 3.2dB @ 900MHz ~ 1.8GHz 2dB ~ 3.5dB @ 2GHz ~ 4GHz 2dB ~ 3dB @ 1GHz ~ 2GHz 2dB ~ 3dB @ 200MHz 2dB ~ 3dB @ 2GHz ~ 4GHz 2dB ~ 3dB @ 500MHz 2dB ~ 3dB @ 900MHz ~ 1.8GHz 2dB ~ 5dB @ 100MHz 3.25dB @ 1kHz 3.3dB @ 1.8GHz 3.3dB @ 100MHz 3.3dB @ 500MHz 3.3dB @ 836MHz 3.5dB @ 100MHz 3.5dB @ 1GHz 3.5dB @ 200MHz 3.5dB @ 450MHz 3.5dB @ 500MHz 3.5dB @ 800MHz 3.5dB ~ 5dB @ 800MHz 3.8dB ~ 5.5dB @ 200MHz 3dB @ 0.5GHz 3dB @ 1.8GHz 3dB @ 100MHz 3dB @ 1GHz 3dB @ 200MHz 3dB @ 500MHz 3dB ~ 3.5dB @ 500MHz 3dB ~ 5dB @ 100MHz 3dB ~ 5dB @ 500MHz 3dB ~ 5dB @ 800MHz 4.5dB @ 200MHz 4.5dB @ 450MHz 4.5dB @ 500MHz 5.2dB @ 900MHz 5.5dB @ 500MHz 5.5dB @ 800MHz 5dB @ 100MHz 5dB @ 200MHz 5dB @ 500MHz 6.5dB @ 200MHz 6.5dB @ 60MHz 6dB @ 200MHz 6dB @ 60kHz 6dB @ 60MHz 8dB @ 200MHz	- 1.4dB 1.5dB 10.16dB ~ 10.25dB 10.2dB 10.2dBd 10.3dB ~ 11.65dB 10.5dB 10.5dB @ 1GHz 10.5dB ~ 14dB 10.5dB ~ 15.5dB 10.5dB ~ 16.5dB 10.5dB ~ 16dB 10.5dB ~ 21.5dB 10.5dB ~ 28.5dB 10.5dB ~ 28dB 10.70dB ~ 10.81dB 10.7dB ~ 12dB 10.8dB 10.8dB ~ 12.3dB 10dB 10dB @ 1.5GHz 10dB @ 175MHz 10dB @ 1GHz 10dB ~ 10.5dB 10dB ~ 11dB 10dB ~ 13.5dB 10dB ~ 13dB 10dB ~ 14.5dB 10dB ~ 14dB 10dB ~ 15dB 10dB ~ 17dB 10dB ~ 18.5dB 10dB ~ 18dB 10dB ~ 24dB 10dB ~ 29dB 10dB ~ 5.5dB @ 1.5GHz 11.4dB 11.5dB 11.5dB ~ 16dB 11.5dB ~ 17dB 11.6dB 11.8dB 11.8db ~ 13dB 11.9dB 11dB 11dB ~ 12.5dB 11dB ~ 13dB 11dB ~ 14dB 11dB ~ 15.5dB 11dB ~ 16.5dB 11dB ~ 19dB 11dB ~ 19dB @ 1GHz ~ 400MHz 11dB ~ 21.5dB 11dB ~ 30.5dB 12.4dB ~ 17.5dB 12.5dB 12.5dB ~ 13.5dB 12.5dB ~ 14.5dB 12.5dB ~ 14dB 12.5dB ~ 19dB 12.5dB ~ 21dB @ 450MHz 12.5dB ~ 26.5dB 12dB 12dB @ 400MHz 12dB ~ 14.5dB 12dB ~ 17dB 12dB ~ 18dB 12dB ~ 21dB 12dB ~ 8.5dB @ 1GHz 13.1dB 13.5dB 13.5dB ~ 15dB 13.5dB ~ 20.5dB 13.5dB ~ 23.5dB 13.5dB ~ 24.5dB 13.5dB ~ 25dB 13dB 13dB @ 0.4GHz 13dB ~ 14dB 13dB ~ 15.5dB 13dB ~ 22.5dB 13dB ~ 28dB 13dB ~ 7.5dB 13dB ~ 7dB 14.2dB 14.5dB 14dB 14dB @ 1GHz 14dB @ 200MHz 14dB ~ 16dB 14dB ~ 21dB 14dB ~ 26dB 14dB ~ 8.5dB 15.5dB 15.5dB ~ 18.5dB 15.8dB 15dB 15dB ~ 17dB 15dB ~ 22dB 15dB ~ 23dB 16.5dB 16.5dB ~ 29dB 16.9dB 16dB 16dB ~ 17.5dB 17.5dB 17.5dB @ 1GHz 17.5dB ~ 21dB 17dB 17dB ~ 18dB 17dB ~ 23dB 18.3dB 18.5dB 18dB 18dB ~ 22dB 19.5dB 19dB 20dB 20dB ~ 22dB 20dB ~ 23dB 20dB ~ 24dB 21.5dB 21dB 21dB ~ 10dB 22.5dB 22dB 23dB 24.5dB 24dB 25.5dB 25dB 26dB 27.5dB 27dB 27dB ~ 30dB 35dB 4.5dB 4.5dBi 4dB ~ 5.5dB @ 2GHZ 5.2dB 5.3dB ~ 12.5dB 5.6dB 5.8dB 53dB 5dB 6.2dB 6.2db ~ 7dB 6.3dB 6.5dB 6.5dB ~ 10.5dB 6.5dB ~ 11dB 6.5dB ~ 12.5dB 6.6dB 6.7dB 6.8dB 6dB 6dB ~ 12dB 6dB ~ 6.3dB 7.15dB ~ 8.7dB 7.27dB 7.2dB 7.2dB ~ 8.5dB 7.3dB ~ 8.6dB 7.4dB 7.5dB 7.5dB ~ 10dB 7.5dB ~ 16.5dB 7.6dB 7.8dB 7.8dB ~ 8.5dB 7.9dB 7dB 7dB ~ 10.5dB @ 1GHz 7dB ~ 10dB 7dB ~ 11.5dB 7dB ~ 30dB 7dB ~ 7.1dB 7dB ~ 7.5dB 7dB ~ 8.2dB 7dB ~ 8.5dB 7dB ~ 8dB 7dB ~ 9dB 8.06dB 8.06dB ~ 8.45dB 8.08dB ~ 8.5dB 8.16dB ~ 8.86dB 8.1dB ~ 8.9dB 8.23dB ~ 9.09dB 8.24dB ~ 11dB 8.2dB 8.32dB 8.3dB 8.4dB 8.58dB 8.5dB 8.5dB ~ 10.3dB 8.5dB ~ 10dB 8.5dB ~ 13dB 8.5dB ~ 9.5dB 8.5dB ~30.5dB 8.6dB 8.75dB 8.7dB 8.7dB ~ 9dB 8.9dB 8B ~ 30.5dB 8dB 8dB ~ 12dB 8dB ~ 13.5dB 8dB ~ 17dB 8dB ~ 19.5dB 8dB ~ 8.5dB 8dB ~ 8.7dB 8dB ~ 9.5dB 8dB ~ 9dB 9.11dB ~ 9.69dB 9.2dB 9.3dB 9.44dB ~ 9.77dB 9.4dB 9.5dB 9.5dB ~ 10.5dB @ 2GHz 9.5dB ~ 11.5dB 9.5dB ~ 11dB 9.5dB ~ 13.5dB 9.5dB ~ 14.5dB 9.6dB 9.6dB ~ 13.5dB 9.73dB ~ 8.85dB 9.7dB 9.8dB 9dB 9dB ~ 10.5dB 9dB ~ 10dB 9dB ~ 11dB 9dB ~ 12dB 9dB ~ 13.5dB 9dB ~ 13dB 9dB ~ 14.5dB 9dB ~ 14dB 9dB ~ 15.5dB 9dB ~ 18dB 9dB ~ 31dB 9dB ~ 9.5dB	- 1.25W 1.2W 1.3W 1.5W 1.6W 1.7W 1.8W 1.9W 10.2W 1000W 100mW 100W 10W 1100W 115mW 115W 11600W 1166W 1167W 117W 11W 120mW 120W 125mW 125W 127W 12W 13.5W 130mW 130W 1350W 135mW 135W 136mW 13W 140mW 140W 1450W 1458W 145W 150mW 150W 159W 15W 160mW 16mW 170W 175mW 175W 17W 180mW 180W 183W 185mW 188mW 188W 19.4W 190mW 1944W 195W 197mW 19W 1W 2.1W 2.25W 2.2W 2.5W 2.9W 20.5W 200mW 200mW, 210mW 200mW, 250mW 200W 2050W 205mW 2095W 20W 21.9W 210mW 210mW, 380mW 21W 220mW 220W 225mW 225W 22W 2300W 230mW 233W 234mW 240mW 2500W 250mW 250W 25W 265mW 270mW 270W 273mW 280mW 28W 2900W 290W 2W 3.5W 300mW 300W 30mW 30W 310mW 318W 320W 32mW 330mW 330W 3400W 340W 34W 350mW 350W 360mW 365mW 375W 380mW 39mW 39W 3W 400mW 400W 40mW 410mW 450mW 45mW 480mW 4W 5.3W 5.6W 500mW 500W 50mW 50W 54mW 550W 55mW 55W 570W 575W 580mW 580W 583W 58W 5W 6.4W 600mW 600W 60mW 60W 625mW 650mW 65W 67W 680mW 690W 6W 7.8W 700mW 700W 70W 720W 735mW 750mW 75mW 75W 7W 800mW 80mW 80W 833W 85mW 87.5W 8750W 875W 880W 886mW 88W 8W 900mW 90mW 90W 910W 940W 960W 97W 9W	- 0.95 @ 10mA, 5V 10 @ 100A, 5V 10 @ 100mA, 5V 10 @ 10mA, 5V 10 @ 15mA, 5V 10 @ 1A, 5V 10 @ 1mA, 5V 10 @ 2.5A, 5V 10 @ 200mA, 5V 10 @ 20mA, 5V 10 @ 250mA, 5V 10 @ 300mA, 5V 10 @ 3A, 5V 10 @ 4A, 5V 10 @ 500mA, 20V 10 @ 500mA, 5V 10 @ 50mA, 5V 10 @ 5A, 10V 10 @ 5A, 5V 10 @ 5mA, 5V 10 @ 75mA, 5V 100 @ 10mA, 5V 100 @ 1mA, 6V 100 @ 20mA, 10V 100 @ 20mA, 5V 100 @ 250mA, 3V 100 @ 2mA, 4V 100 @ 3mA, 1V 100 @ 3mA, 2V 100 @ 40mA, 8V 100 @ 50mA, 5V 100 @ 5mA, 1V 100 @ 5mA, 2V 100 @ 5mA, 6V 1000 @ 2mA, 10V 110 @ 100mA, 1V 110 @ 100mA, 3V 110 @ 1mA, 10V 110 @ 20mA, 8V 110 @ 30mA, 3V 110 @ 50mA, 1.5V 110 @ 5mA, 4V 110 @ 7.2mA, 2.4V 110 @ 7mA, 3V 110 @ 80mA, 3V 120 @ 100mA, 5V 120 @ 10mA, 1V 120 @ 10mA, 5V 120 @ 1mA, 6V 120 @ 20mA, 10V 120 @ 20mA, 5V 120 @ 3mA, 10V 120 @ 4mA, 10V 120 @ 5mA, 10V 120 @ 5mA, 5V 125 @ 10mA, 6V 125 @ 20mA, 10V 125 @ 20mA, 8V 125 @ 50mA, 5V 125 @ 7mA, 3V 130 @ 15mA, 2V 130 @ 20mA, 10V 130 @ 20mA, 3V / 100 @ 5mA, 3V 130 @ 5mA, 2V 135 @ 1mA, 6V 135 @ 20mA, 5V 135 @ 50mA, 5V 140 @ 10mA, 5V 140 @ 2mA, 1V 140 @ 5mA, 1V 15 @ 1.4A, 6V 15 @ 100mA, 5V 15 @ 10A, 6V 15 @ 10mA, 2V 15 @ 15mA, 8V 15 @ 1A, 5V 15 @ 200mA, 5V 15 @ 20mA, 2V 15 @ 500mA, 5V 15 @ 50mA, 6V 15 @ 5A, 5V 15 @ 7A, 5V 150 @ 10mA, 1.8V 150 @ 15mA, 1.8V 150 @ 15mA, 2.5V 150 @ 160mA, 3V 155 @ 10mA, 2V 160 @ 10mA, 2V 160 @ 13mA, 3V 160 @ 15mA, 3V 160 @ 160mA, 4V 160 @ 25mA, 3V 160 @ 35mA, 3V 160 @ 5mA, 4V 160 @ 60mA, 3V 160 @ 7mA, 3V 18 @ 1.4A, 6V 180 @ 30mA, 3V 180 @ 5mA, 5V 19 @ 1.4A, 6V 20 @ 1.5A, 5V 20 @ 100mA, 10V 20 @ 100mA, 5V 20 @ 10mA, 2V 20 @ 110mA, 8V 20 @ 14mA, 10V 20 @ 150mA, 5V 20 @ 15mA, 10V 20 @ 1A, 5V 20 @ 1mA, 1V 20 @ 200mA, 13.5V 20 @ 200mA, 5V 20 @ 20mA, 8V 20 @ 250mA, 5V 20 @ 25mA, 1V 20 @ 2A, 5V 20 @ 2mA, 10V 20 @ 30mA, 5V 20 @ 3mA, 1V 20 @ 400mA, 5V 20 @ 420mA, 5V 20 @ 4A, 5V 20 @ 500mA, 5V 20 @ 50mA, 5V 20 @ 5A, 5V 20 @ 600mA, 5V 20 @ 70mA, 10V 20 @ 8mA, 10V 200 @ 10mA, 3V 200 @ 10mA, 5V 200 @ 15mA, 3.3V 200 @ 1A, 5V 200 @ 1mA, 2V 200 @ 2mA, 10V 200 @ 30mA, 5V 200 @ 5mA, 2V 205 @ 2mA, 2V 205 @ 2mA, 3V 23 @ 10A, 6V 235 @ 10mA, 2V 25 @ 100mA, 10V 25 @ 100mA, 2V 25 @ 100mA, 4.8V 25 @ 150mA, 5V 25 @ 1mA, 6V 25 @ 2mA, 10V 25 @ 2mA, 1V 25 @ 300mA, 5V 25 @ 3mA, 1V 25 @ 50mA, 15V 25 @ 50mA, 5V 25 @ 50mA, 9V 25 @ 5A, 10V 25 @ 5mA, 10V 25 @ 70mA, 10V 250 @ 25A, 3V 250 @ 2mA, 10V 28 @ 1mA, 5V 30 @ 100mA, 5V 30 @ 10mA, 8V 30 @ 250mA, 5V 30 @ 35mA, 8V 30 @ 3mA, 1V 30 @ 50mA, 10V 30 @ 50mA, 5V 30 @ 5mA, 10V 30 @ 5mA, 5V 30 @ 8mA, 10V 300 @ 10mA, 2V 300 @ 500µA, 5V 35 @ 100mA, 10V 35 @ 200mA, 5V 35 @ 5mA, 6V 38 @ 7mA, 10V 40 @ 1.5A, 5V 40 @ 100mA, 3V 40 @ 10mA, 10V 40 @ 10mA, 1V 40 @ 10mA, 2V 40 @ 10mA, 2V / 20 @ 10mA, 2V 40 @ 10mA, 2V, 20 @ 10mA, 2V 40 @ 10mA, 3V 40 @ 14mA, 10V 40 @ 1A, 5V 40 @ 1mA, 3V 40 @ 1mA, 6V 40 @ 200mA, 2V 40 @ 20mA, 10V 40 @ 250mA, 5V 40 @ 2A, 5V 40 @ 2mA, 10V 40 @ 2mA, 1V 40 @ 30mA, 5V 40 @ 3A, 5V 40 @ 500mA, 5V 40 @ 50mA, 10V 40 @ 50mA, 15V 40 @ 50mA, 5V 40 @ 5A, 5V 40 @ 5mA, 10V 40 @ 5mA, 3V 40 @ 5mA, 5V 40 @ 7mA, 3V 40 @ 80mA, 2V 45 @ 30mA, 5V 48 @ 10mA, 2V 5 @ 100mA, 5V 5 @ 1A, 5V 5 @ 250mA, 5V 5 @ 300mA, 5V 5 @ 500mA, 5V 50 @ 100mA, 5V 50 @ 10mA, 2V 50 @ 10mA, 6V 50 @ 10mA, 8V 50 @ 14mA, 10V 50 @ 15mA, 8V 50 @ 1mA, 1V 50 @ 1mA, 6V 50 @ 200mA, 3V 50 @ 20mA, 10V 50 @ 20mA, 2V 50 @ 20mA, 3.5V 50 @ 20mA, 5V 50 @ 20mA, 8V 50 @ 25mA, 2V 50 @ 30mA, 8V 50 @ 3mA, 2V 50 @ 500µA, 1V 50 @ 50mA, 5V 50 @ 5mA, 10V 50 @ 5mA, 1V 50 @ 5mA, 2.7V 50 @ 5mA, 2V 50 @ 5mA, 3V 50 @ 5mA, 6V 50 @ 5mA, 8V 50 @ 60mA, 10V 50 @ 7mA, 3V 50 @ 7mA, 6V 50 @ 8mA, 10V 50 @ 8mA, 1V 54 @ 1mA, 5V 56 @ 10mA, 10V 56 @ 5mA, 10V 60 @ 10mA, 10V 60 @ 10mA, 8V 60 @ 13mA, 2V 60 @ 15mA, 3V 60 @ 15mA, 3V / 60 @ 40mA, 3V 60 @ 15mA, 5V 60 @ 15mA, 8V 60 @ 1mA, 6V 60 @ 20mA, 10V 60 @ 20mA, 2V 60 @ 20mA, 4V 60 @ 20mA, 6V 60 @ 250mA, 5V 60 @ 2mA, 10V 60 @ 30mA, 8V 60 @ 40mA, 3V 60 @ 40mA, 8V 60 @ 4mA, 10V 60 @ 50mA, 10V 60 @ 50mA, 4V 60 @ 50mA, 5V 60 @ 5mA, 10V 60 @ 5mA, 2V 60 @ 5mA, 3V 60 @ 5mA, 4V 60 @ 5mA, 5V 60 @ 5mA, 6V 60 @ 5mA, 8V 60 @ 70mA, 8V 60 @ 80mA, 8V 65 @ 15mA, 10V 65 @ 1mA, 10V 65 @ 1mA, 6V 67 @ 1mA, 10V 70 @ 10mA, 1V 70 @ 10mA, 8V 70 @ 15mA, 8V 70 @ 1mA, 10V 70 @ 1mA, 2.7V 70 @ 1mA, 5V 70 @ 1mA, 6V 70 @ 20mA, 2V 70 @ 2mA, 1V 70 @ 2mA, 2.7V 70 @ 30mA, 8V 70 @ 50mA, 8V 70 @ 5mA, 10V 70 @ 5mA, 1V 70 @ 5mA, 2.7V 70 @ 5mA, 8V 70 @ 70mA, 8V 70 @ 7mA, 3V 72 @ 1mA, 5V 75 @ 10mA, 1V 75 @ 10mA, 3V 75 @ 200mA, 8V 75 @ 20mA, 3V 75 @ 30mA, 3V 75 @ 5mA, 4V 75 @ 7.2mA, 2.4V 80 @ 100mA, 10V 80 @ 100mA, 3V 80 @ 100mA, 8V 80 @ 10mA, 3V 80 @ 10mA, 5V 80 @ 10mA, 6V 80 @ 15mA, 3V 80 @ 20mA, 10V 80 @ 20mA, 2V 80 @ 20mA, 5V 80 @ 20mA, 8V 80 @ 3mA, 1V 80 @ 3mA, 2V 80 @ 40mA, 3V 80 @ 50mA, 5V 80 @ 5mA, 1V 80 @ 5mA, 3V 80 @ 6mA, 3V / 80 @ 20mA, 3V 80 @ 7mA, 3V 80 @ 7mA, 6V 800 @ 2mA, 10V 82 @ 10mA, 10V 82 @ 1mA, 6V 82 @ 5mA, 10V 85 @ 5mA, 5V 85 @ 90mA, 5V 90 @ 10mA, 2V 90 @ 10mA, 5V 90 @ 15mA, 3V 90 @ 1mA, 1V 90 @ 1mA, 2V 90 @ 1mA, 6V 90 @ 20mA, 2V 90 @ 20mA, 3V 90 @ 20mA, 3V / 90 @ 15mA, 3V 90 @ 20mA, 5V 90 @ 20mA, 6V 90 @ 2mA, 10V 90 @ 30mA, 5V 90 @ 3mA, 10V 90 @ 40mA, 3V 90 @ 50mA, 5V 90 @ 5mA, 10V 90 @ 5mA, 2V 90 @ 5mA, 3V 97 @ 1mA, 5V	- 1.1A 1.25A 1.25mA 1.2A 1.5A 1.8A 10.5A 10.7A 100A 100mA 10A 10mA 11A 12.5A 120mA 12A 12mA 14A 150mA 15A 15mA 16.5A 16A 16mA 17.8A 17A 18mA 19.8A 1A 2.2A 2.4A 2.5A 2.6A 2.8A 200mA 20A 20mA 210mA 21A 22A 24A 250A 250mA 25A 25mA 26mA 27A 28A 29A 2A 3.25A 3.4A 3.5A 3.6A 3.6mA 3.7A 300mA 30A 30mA 31A 32.5A 32mA 35mA 35mA, 80mA 3A 3mA 4.5A 400mA 40A 40mA 43.2A 45mA 46A 4A 5.2A 5.3A 5.4A 5.52A 500mA 50A 50mA 50mA, 35mA 50mA, 70mA 52.5A 55A 55mA 5A 6.4A 6.5A 6.5mA 600mA 60A 60mA 640mA 65mA 6A 7.7A 700mA 70A 70mA 750mA 75mA 75mA, 250mA 7A 80A 80mA 8A 8mA 900mA 90mA 9A	- -40°C ~ 150°C (TJ) -40°C ~ 85°C -40°C ~ 85°C (TA) -55°C ~ 125°C -55°C ~ 125°C (TJ) -55°C ~ 150°C -55°C ~ 150°C (TJ) -55°C ~ 200°C (TJ) -65°C ~ 150°C (TJ) -65°C ~ 200°C (TJ) 125°C (TJ) 150°C 150°C (TJ) 175°C (TJ) 200°C 200°C (TJ) 230°C (TJ) 250°C 250°C (TJ)	- Automotive Military	- AEC-Q101 MIL-PRF-19500/343	- Channel, DIN Rail Mount Chassis Mount Chassis, Stud Mount Stud Mount Surface Mount Through Hole	- 14-PDIP 14-SOIC 16-CERDIP 16-PDIP 16-QFN (3x3) 16-SOIC 211-07, STYLE 1 211-11, Style 1 211-11, Style 2 230 mil Be0 244-04, STYLE 1 244A-01, STYLE 1 2L-FLG 3-CMPAK 3-CP 3-CPH 3-MCP 3-MINIMOLD 3-MPAK 3-PowerMiniMold 3-SMCP 3-SPA 3-SSFP 3-SuperMiniMold 3-SuperMiniMold (19) 3-SuperMiniMold (30 PKG) 3-SuperMiniMold (M03) 3-SuperMiniMold (M33) 305A-01, Style 1 316-01, STYLE 1 332A-03 332A-03, Style 1 332A-03, Style 2 336E-02, Style 1 35 micro-X 355C-02, Style 1 355E-01, Style 1 355J-02, STYLE 1 36 micro-X 376B-02, Style 1 395C-01, Style 2 4-DFP 4-ECSP1008 4-MCP 4-MCPH 4-MFPAK 4-SO 4-TSFP 55AT 55AU 55AV 55AW 55AW-1 55AZ 55BT 55BT-1 55CT 55CX 55ET 55FT 55FW 55FW-1 55HV 55HX 55JT 55JU 55JV 55KT 55KV 55LT 55LV 55RT 55SM 55ST 55ST-1 55SW 55TU-1 6-CPH 6-MCP 6-MCPH 6-SO 6-SOT 6-Super Lead-Less MiniMold 6-SuperMiniMold 6-TSSOP 70 mil Package 744A-01, Style 1 8-MINIMOLD 8-SOIC 8-SOIC-EP 85 Plastic 86 Plastic CDFM2 Chip CMPAK-4 CRFM4 DFN1006C-3 Die E-Line (TO-92 compatible) ECSP1006-3 EMT3 M03 M04 M05 M102 M103 M105 M111 M112 M113 M115 M122 M123 M13 M130 M135 M138 M150 M156 M16, 1208 M164 M173 M174 M177 M214 M216 M218 M220 M222 Macro-X Micro-X ceramic (84C) MICRO-X1 Mini3-G1 MiniP3-F1 Module PCP PG-SC-75 PG-SC75-3D PG-SCD80-2 PG-SOT-143-3D PG-SOT143-4-1 PG-SOT223-4 PG-SOT23 PG-SOT23-3-4 PG-SOT323 PG-SOT343 PG-SOT343-3D PG-SOT343-4 PG-SOT343-4-1 PG-SOT343-4-2 PG-SOT343-4-3 PG-SOT363-PO PG-SOT89 PG-TSFP-3 PG-TSFP-3-1 PG-TSFP-4-1 PG-TSLP-3 PG-TSLP-3-1 PG-TSLP-3-10 Power Macro PW-MINI PW-MINI (SOT-89) S-Mini SC-59 SC-70 SC-70 / MCP3 SC-70-3 SC-70-3 (SOT323) SC-70FL/MCPH3 SC-73 SC-75 SC-75 (USM) SC-82FL/MCPH4 SMCP SMini3-F2 SMini3-F2-B SMini3-G1 SMQ SMT3 SOT-143 SOT-143B SOT-143R SOT-23 SOT-23 (TO-236AB) SOT-23-3 SOT-23-3 (TO-236) SOT-323 SOT-343 SOT-343F SOT-343R SOT-363 SOT-523 SOT-623/SSFP SOT-723 SOT-89 SOT-89-3 SOT23-3 (TO-236) SOT422A SOT443A SSM SSMini3-F1 SSMini3-F3 SSMini3-F3-B SSmini3-G1 SSMini6-F3-B SSSMini3-F1 SSSMini3-F2 TO-126B-A1 TO-18 (TO-206AA) TO-236AB TO-39 TO-5AA TO-72 TO-92 TO-92 (TO-226) TO-92-3 TO-92S TSLP-3-10 TSLP-6-1 UB UFM UMT3 US6 USQ VMT3

全部应用

全部重置

结果

图片	制造商型号	库存情况	价格	数量	数据手册	系列	封装/外壳	包装	产品状态	晶体管类型	电压 - 集电极发射极击穿（最大值）	频率 - 跃迁	噪声系数（典型值 dB @ f）	增益	功率 - 最大值	直流电流增益（hFE）（最小值）@ Ic, Vce	电流 - 集电极 (Ic)（最大值）	工作温度	等级	认证	安装类型	供应商设备封装
	MS2204 RF TRANS NPN 20V 1.09GHZ M115 Microsemi Corporation	8,489	-	询价单出售多余库存	数据手册	-	M115	Bulk	Obsolete	NPN	20V	1.09GHz	-	10.8dB	600mW	15 @ 100mA, 5V	300mA	200°C (TJ)	-	-	Chassis Mount	M115
	MS2203 RF TRANS NPN 20V 1.09GHZ M220 Microsemi Corporation	6,390	-	询价单出售多余库存	数据手册	-	M220	Bulk	Obsolete	NPN	20V	1.09GHz	-	10.8dB ~ 12.3dB	5W	120 @ 100mA, 5V	300mA	200°C (TJ)	-	-	Chassis Mount	M220
	2N4957UB RF TRANS PNP 30V 30MA UB Microsemi Corporation	8,018	-	询价单出售多余库存	数据手册	-	3-SMD, No Lead	Bulk	Active	PNP	30V	-	3.5dB @ 450MHz	25dB	200mW	30 @ 5mA, 10V	30mA	-65°C ~ 200°C (TJ)	-	-	Surface Mount	UB
	JAN2N4957UB RF TRANS PNP 30V 30MA UB Microsemi Corporation	3,890	-	询价单出售多余库存	数据手册	-	3-SMD, No Lead	Bulk	Active	PNP	30V	-	3.5dB @ 450MHz	25dB	200mW	30 @ 5mA, 10V	30mA	-65°C ~ 200°C (TJ)	-	-	Surface Mount	UB
	JANTX2N4957UB RF TRANS PNP 30V 30MA UB Microsemi Corporation	9,397	-	询价单出售多余库存	数据手册	-	3-SMD, No Lead	Bulk	Active	PNP	30V	-	3.5dB @ 450MHz	25dB	200mW	30 @ 5mA, 10V	30mA	-65°C ~ 200°C (TJ)	-	-	Surface Mount	UB
	82092H TRANSISTOR Microsemi Corporation	9,477	-	询价单出售多余库存	数据手册	*	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-
	C25-28A TRANSISTOR Microsemi Corporation	2,166	-	询价单出售多余库存	数据手册	*	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-
	MS1000 TRANSISTOR Microsemi Corporation	4,400	-	询价单出售多余库存	数据手册	*	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-
	MS2275 TRANSISTOR Microsemi Corporation	5,501	-	询价单出售多余库存	数据手册	*	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-
	MS2589 TRANSISTOR Microsemi Corporation	4,306	-	询价单出售多余库存	数据手册	*	-	Bulk	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-

共 272 条记录«上一页 1... 16 17 18 192021 22 23...28 下一页»

搜索

产品

电话

用户

OEM STOCK

purchase@oemstock.com