BC557B Transistor Datasheet & Specifications

PNP BJT | LGE

PNPTO-92General Purpose
VCEO
45V
Ic Max
100mA
Pd Max
625mW
Gain
180
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Quick Reference

The BC557B is a PNP bipolar transistor in a TO-92 package. This datasheet provides complete specifications including 45V breakdown voltage and 100mA continuous collector current. Download the BC557B datasheet PDF below for detailed pinout diagrams and application circuits.

Technical Specifications

ParameterValueDescription
ManufacturerLGEOriginal Manufacturer
PackageTO-92Physical mounting
VCEO45VBreakdown voltage
IC Max100mACollector current
Pd Max625mWPower dissipation
Gain180DC current gain
Frequency150MHzTransition speed
VCEsat650mVSaturation voltage
Vebo5VEmitter-Base voltage
Temp-Operating temp

Direct Replacements & Alternatives

PartTypePackageVCEOIcPd
2SA1015(RANGE:200-400)PNPTO-9250V150mA400mW
BC327-40BKPNPTO-9245V800mA625mW
2N3906PNPTO-9240V200mA625mW
BC327-25PNPTO-9245V800mA625mW
2SA1015-GRPNPTO-9250V150mA400mW
KTA1266PNPTO-9250V150mA625mW
2SA1015PNPSOT-2350V150mA200mW
BC327PNPTO-9245V800mA625mW
2N3906PNPTO-9240V200mA625mW
2N3906PNPTO-9240V200mA625mW
View all TO-92 PNP Transistors ›