ZTX949 Transistor Datasheet

PNP BJT | DIODES

PNPTO-92General Purpose
VCEO
30V
Ic Max
4.5A
Pd Max
1.58W
Gain
300
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Quick Reference

The ZTX949 is a PNP bipolar transistor in a TO-92 package, designed for general purpose applications. It supports a breakdown voltage of 30V and continuous collector current of 4.5A. This component is widely used in PNP switching and linear amplification circuits.

Technical Specifications

ParameterValueDescription
ManufacturerDIODESOriginal Manufacturer
PackageTO-92Physical mounting form factor
VCEO30VBreakdown voltage
IC Max4.5ACollector current
Pd Max1.58WPower dissipation
Gain300DC current gain
Frequency-Transition frequency
VCE(sat)-Saturation voltage
Vebo100MHzEmitter-Base voltage
Temp-55℃~+200℃Operating temperature range

Direct Replacements & Alternatives

Part NumberTypePackageVCEOIcPd
S9012(RANGE:144-202) PNP TO-92 25V 500mA 625mW
ZTX549 PNP TO-92 30V 1A 1W
SS8550(RANGE:160-300) PNP TO-92 25V 1.5A 1W
ZTX1149A PNP TO-92 25V 3A 1W
SS8550-TA PNP TO-92 25V 1.5A 625mW
SS8550 PNP SOT-23 25V 1.5A 350mW
View all TO-92 PNP Transistors ›