B857 PDF Datasheet – 50V, PNP Transistor, 2SB857

This post explains for the semiconductor B857.

The Part Number is 2SB857.

The Package is TO-220AB Type

The function of this semiconductor is PNP Transistor.

Manufacturers : Renesas

Preview images :

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B857 image

Description :

This is Silicon PNP Triple Diffused Transistor.

Application Low frequency power amplifier complementary pair with 2SD1133 and 2SD1134 Outline TO-220AB 1 2 3 1. Base 2. Collector (Flange) 3. Emitter Absolute Maximum Ratings (Ta = 25°C) Ratings Item Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current Collector peak current Collector power dissipation Junction temperature Storage temperature Note: 1. Value at T C = 25°C Symbol VCBO VCEO VEBO IC I C(peak) PC – Tj Tstg 1 2SB857 –70 –50 –5 –4 –8 40 150 –45 to +150 2SB858 –70 –60 –5 –4 –8 40 150 –45 to +150 Unit V V V A A W °C °C 2SB857, 2SB858 Electrical Characteristics (Ta = 25°C) 2SB857 Item Collector to base breakdown voltage Collector to emitter breakdown voltage Emitter to base breakdown voltage Collector cutoff current Symbol V(BR)CBO V(BR)CEO V(BR)EBO I CBO 1 2SB858[…]

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pinout

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage : Vcbo = – 70 V

2. Collector to Emitter Voltage : Vceo = – 50 V

3. Emitter to Base Voltage : Vebo = – 5 V

4. Collector Current : Ic = – 4 A

5. Collector Dissipation : Pc = 40 W

6. Junction Temperature : Tj = 150°C

7. Storage Temperature : Tsg = -45 ~ +150°C

 

B857 Datasheet