1. 物料型号:2SB551,这是ISC品牌的硅PNP功率晶体管。
2. 器件简介:
- 低集电极饱和电压:V_{CE(sat)}=-1.2V(典型值)@ I_{C}=-2A
- 高功率耗散:P_{C}=25W(最大值)@ T_{C}=55°C
3. 引脚分配:
- PIN 1: BASE(基极)
- PIN 2: Emitter(发射极)
- PIN 3: COLLECTOR(集电极,与外壳相连)
4. 参数特性:
- 绝对最大额定值:
- VCBO:Collector-Base Voltage,-50V
- VCEO:Collector-Emitter Voltage,-50V
- VEBO:Emitter-Base Voltage,-4V
- Ic:Collector Current-Continuous,-3A
- Pc:Collector Power Dissipation @Tc=25°C,25W
- TJ:Junction Temperature,150°C
- Tstg:Storage Temperature,-45~150°C
5. 功能详解:
- 设计用于低频功率放大应用。
- 电特性(Tj=25℃,除非另有说明):
- V(BR)CEO:Collector-Emitter Breakdown Voltage,IC=-50mA; RBE=∞,-50V
- V(BR)CBO:Collector-Base Breakdown Voltage,IC=-5mA; IE=0,-50V
- V(BR)EBO:Emitter-Base Breakdown Voltage,IE=-5mA; IC=0,-4V
- VCE(sat):Collector-Emitter Saturation Voltage,IC=-2A; IB=-0.2A,1.2V
- VBE(on):Base-Emitter On Voltage,IC=-1A; VCE=-4V,1.5V
- ICBO:Collector Cutoff Current,VCB=-20V; IE=0,-0.1mA
- hFE-1:DC Current Gain,IC=-1A; VCE=-4V,35-200
- hFE-2:DC Current Gain,IC=-0.1A; VCE=-4V,35
- fT:Current-Gain-Bandwidth Product,IC=-0.5A; VCE=-4V,15MHz
6. 应用信息:该器件适用于低频功率放大应用。
7. 封装信息:TO-66封装,具体尺寸参数如下:
- A:31.40-31.80
- B:17.30-17.70
- C:6.70-7.10
- D:0.70-0.90
- E:1.40-1.60
- G:5.08
- H:2.54
- K:9.80-10.20
- L:14.70-14.90
- N:12.40-12.60
- O:3.60-3.80
- U:24.30-24.50
- V:3.50-3.70