2SA940 Datasheet & Equivalents
PNP
TO-220
High Power
SPTECH
VCEO
150V
Ic Max
1.5A
Pd Max
25W
hFE Gain
140
Quick Reference
The 2SA940 is a PNP bipolar junction transistor in a TO-220 package, manufactured by SPTECH. It supports a breakdown voltage of 150V and continuous collector current of 1.5A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | SPTECH | Original Manufacturer |
| Package | TO-220 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 150V | Max breakdown voltage |
| Collector Current (Ic) | 1.5A | Max current handling |
| Power Dissipation (Pd) | 25W | Max thermal limit |
| DC Current Gain (hFE) | 140 | Base signal amplification ratio |
| Transition Frequency (fT) | 4MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 1.5V | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 10uA | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| 2SA940(RANGE:40-140) | PNP | TO-220 | 150V | 1.5A | 40 | 1.5W | JSCJ 📄 PDF |