2N3904 Transistor Datasheet

NPN BJT | JSMSEMI

NPNTO-92General Purpose
VCEO
40V
Ic Max
200mA
Pd Max
625mW
Gain
300
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Quick Reference

The 2N3904 is a NPN bipolar transistor in a TO-92 package, designed for general purpose applications. It supports a breakdown voltage of 40V and continuous collector current of 200mA. This component is widely used in NPN switching and linear amplification circuits.

Technical Specifications

ParameterValueDescription
ManufacturerJSMSEMIOriginal Manufacturer
PackageTO-92Physical mounting form factor
VCEO40VBreakdown voltage
IC Max200mACollector current
Pd Max625mWPower dissipation
Gain300DC current gain
Frequency300MHzTransition frequency
VCE(sat)300mVSaturation voltage
Vebo6VEmitter-Base voltage
Temp-55℃~+150℃Operating temperature range

Direct Replacements & Alternatives

Part NumberTypePackageVCEOIcPd
2N3904BU NPN TO-92 40V 200mA 625mW
ZTX450 NPN TO-92 45V 1A 1W
2N4401BU-HXY NPN TO-92 40V 600mA 625mW
KTC3202-Y-HXY NPN TO-92 40V 600mA 625mW
KN4401-HXY NPN TO-92 40V 600mA 625mW
MPSA13-TA NPN TO-92 30V 500mA 625mW
S9014-TA(RANGE:200-600) NPN TO-92 45V 100mA 450mW
BC547CBK NPN TO-92 45V 100mA 500mW
D882S-TA(RANGE:200-400) NPN TO-92 30V 3A 625mW
KSD471A-TA NPN TO-92 30V 1A 800mW
View all TO-92 NPN Transistors ›