Product Summary

The BC557B is an amplifier transistor.

Parametrics

BC557B absolute maximum ratings: (1)Collector–emitter voltage VCEO: –45 Vdc; (2)Collector–base voltage VCBO: –50 Vdc; (3)Emitter–base voltage VEBO: –5.0 Vdc; (4)Collector current — continuous IC: –100 mAdc; (5)Total device dissipation @ TA = 25°C: 625 mW; Derate above 25°C: 5 mW/°C; (6)Total device dissipation @ TC = 25°C: 1.5 Watt; Derate above 25°C: 12 mW/°C; (7)Operating and storage junction temperature Range TJ, Tstg: –55 to +150 °C.

Features

BC557B features: (1)Current–Gain — Bandwidth Product (IC = –10 mA, VCE = –5.0 V, f = 100 MHz)fT: 280 MHz; (2)Output Capacitance (VCB = –10 V, IC = 0, f = 1.0 MHz)Cob: 3.0 to 6.0 pF; (3)Noise Figure (IC = –0.2 mAdc, VCE = –5.0 V, BC556 RS = 2.0 k, f = 1.0 kHz, Df = 200 Hz)NF: 2.0 to 10 dB.

Diagrams

BC557B pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
BC557B
BC557B
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BC557B,126

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Data Sheet
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BC557B_Q
BC557B_Q
Fairchild Semiconductor
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Data Sheet
Negotiable