ZTX749A is a Fairchild Semiconductor Corporation NPN bipolar junction transistor with a maximum collector-emitter voltage of -35V, a maximum collector-base voltage of -45V, a maximum emitter-base voltage of -5V, and a maximum collector current of -2A. The operating temperature range is -55~+150°C.
The document describes the Fairchild ZTX749A, a PNP low saturation transistor designed with high current gain and low saturation voltage. It supports collector currents up to 2A continuous and is housed in a TO-226 package. The text details absolute maximum ratings, electrical characteristics, and small-signal parameters.
| Collector-Emitter Voltage | -35 V |
|---|---|
| Collector Current | -2 A |
| Operating Junction Temperature Range | -55 ~ +150 °C |
| Total Device Dissipation | 1 W |
| Thermal Resistance, Junction to Ambient | 125 °C/W |
The device supports collector currents up to 2A continuous.
The transistor is packaged in a TO-226 case.