2SC4228 R45 Datasheet & Equivalents
NPN
SOT-323
General Purpose
Slkor
VCEO
10V
Ic Max
35mA
Pd Max
150mW
hFE Gain
250
Quick Reference
The 2SC4228 R45 is a NPN bipolar junction transistor in a SOT-323 package, manufactured by Slkor. It supports a breakdown voltage of 10V and continuous collector current of 35mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | Slkor | Original Manufacturer |
| Package | SOT-323 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 10V | Max breakdown voltage |
| Collector Current (Ic) | 35mA | Max current handling |
| Power Dissipation (Pd) | 150mW | Max thermal limit |
| DC Current Gain (hFE) | 250 | Base signal amplification ratio |
| Transition Frequency (fT) | 8GHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 300mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 1.5V | Max emitter-base breakdown |
| Collector Cutoff Current | 1uA | Leakage current when OFF |
| Operating Temp | -50℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| 2SC4083 | NPN | SOT-323 | 11V | 50mA | 270 | 200mW | Guangdong Hot... 📄 PDF |
| 2SC4083PWT1G | NPN | SOT-323 | 11V | 50mA | 82 | 150mW | YONGYUTAI 📄 PDF |
| BFR193WH6327 | NPN | SOT-323 | 12V | 80mA | 70 | 580mW | Infineon 📄 PDF |
| S9018W | NPN | SOT-323 | 15V | 50mA | 200 | 200mW | JSCJ 📄 PDF |
| MMBTSC4098W | NPN | SOT-323 | 25V | 50mA | 82 | 200mW | ST(Semtech) 📄 PDF |