KTC4370A-Y-U/PF Datasheet & Equivalents
NPN
TO-220F
High Power
KEC
VCEO
180V
Ic Max
1.5A
Pd Max
20W
hFE Gain
70
Quick Reference
The KTC4370A-Y-U/PF is a NPN bipolar junction transistor in a TO-220F package, manufactured by KEC. It supports a breakdown voltage of 180V and continuous collector current of 1.5A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | KEC | Original Manufacturer |
| Package | TO-220F | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 180V | Max breakdown voltage |
| Collector Current (Ic) | 1.5A | Max current handling |
| Power Dissipation (Pd) | 20W | Max thermal limit |
| DC Current Gain (hFE) | 70 | Base signal amplification ratio |
| Transition Frequency (fT) | 100MHz | 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 | 1uA | Leakage current when OFF |
| Operating Temp | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| KTD2061-Y-U/PF | NPN | TO-220F | 180V | 2A | 240 | 20W | KEC 📄 PDF |
| 2SC5171 | NPN | TO-220F | 180V | 2A | 320 | 20W | SPTECH 📄 PDF |