This post explains for the transistor.
The Part Number is B1151, 2SB1151.
The function of this transistor is -60V, -5A, PNP Transistor.
The package is TO-126 Type
Manufacturer: NEC
Pinout
Description
The B1151 is a Low Vce(sat) transistor which has a large current capability and wide SOA.
It is suitable for DC-DC converter, or driver of solenoide or motor.
Features:
1. Low Collector Saturation Voltage
2. Large Current
3. High Total Power Dissipation : Pt = 1.3 W
4. Complemantary to 2SD1691.
1 page
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = – 60 V
2. Collector to Emitter Voltage: Vceo = – 60 V
3. Emitter to Base Voltage: Vebo = – 7.0 V
4. Collector Current: Ic = – 5.0 A
5. Total Dissipation : Pc = 1.3 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
B1151 Datasheet
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