CZT122 Datasheet & Equivalents
NPN
SOT-223
General Purpose
R+O
VCEO
100V
Ic Max
5A
Pd Max
1W
hFE Gain
1000
Quick Reference
The CZT122 is a NPN bipolar junction transistor in a SOT-223 package, manufactured by R+O. It supports a breakdown voltage of 100V and continuous collector current of 5A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | R+O | Original Manufacturer |
| Package | SOT-223 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 100V | Max breakdown voltage |
| Collector Current (Ic) | 5A | Max current handling |
| Power Dissipation (Pd) | 1W | Max thermal limit |
| DC Current Gain (hFE) | 1000 | Base signal amplification ratio |
| Transition Frequency (fT) | 25MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 2V | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | - | Max emitter-base breakdown |
| Collector Cutoff Current | 200uA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| PBSS306NZ | NPN | SOT-223 | 100V | 5.1A | 200 | 1.7W | Nexperia 📄 PDF |
| 135 | NPN | SOT-223 | 100V | 5.5A | 130 | 3W | DIODES 📄 PDF |
| ZXTN19100CGTA | NPN | SOT-223 | 100V | 6A | 100 | 3W | DIODES 📄 PDF |
| FZT853TA | NPN | SOT-223 | 100V | 6A | 30 | 3W | DIODES 📄 PDF |
| ZX5T853GTA | NPN | SOT-223 | 150V | 5A | 10 | 3W | DIODES 📄 PDF |