2SC3998 Datasheet & Equivalents
NPN
TO-3P
High Power
XCH
VCEO
800V
Ic Max
20A
Pd Max
200W
hFE Gain
40
Quick Reference
The 2SC3998 is a NPN bipolar junction transistor in a TO-3P package, manufactured by XCH. It supports a breakdown voltage of 800V and continuous collector current of 20A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | XCH | Original Manufacturer |
| Package | TO-3P | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 800V | Max breakdown voltage |
| Collector Current (Ic) | 20A | Max current handling |
| Power Dissipation (Pd) | 200W | Max thermal limit |
| DC Current Gain (hFE) | 40 | Base signal amplification ratio |
| Transition Frequency (fT) | 1MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 3V | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 9V | Max emitter-base breakdown |
| Collector Cutoff Current | 100uA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |