MJ21194 Datasheet & Equivalents
NPN
TO-3
High Power
SPTECH
VCEO
250V
Ic Max
16A
Pd Max
250W
hFE Gain
75
Quick Reference
The MJ21194 is a NPN bipolar junction transistor in a TO-3 package, manufactured by SPTECH. It supports a breakdown voltage of 250V and continuous collector current of 16A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | SPTECH | Original Manufacturer |
| Package | TO-3 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 250V | Max breakdown voltage |
| Collector Current (Ic) | 16A | Max current handling |
| Power Dissipation (Pd) | 250W | Max thermal limit |
| DC Current Gain (hFE) | 75 | Base signal amplification ratio |
| Transition Frequency (fT) | 4MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 4V | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | - | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |