2SC4738 Datasheet & Equivalents
NPN
SOT-523
General Purpose
JSCJ
VCEO
50V
Ic Max
150mA
Pd Max
100mW
hFE Gain
700
Quick Reference
The 2SC4738 is a NPN bipolar junction transistor in a SOT-523 package, manufactured by JSCJ. It supports a breakdown voltage of 50V and continuous collector current of 150mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | JSCJ | Original Manufacturer |
| Package | SOT-523 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 50V | Max breakdown voltage |
| Collector Current (Ic) | 150mA | Max current handling |
| Power Dissipation (Pd) | 100mW | Max thermal limit |
| DC Current Gain (hFE) | 700 | Base signal amplification ratio |
| Transition Frequency (fT) | 80MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | - | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | - | Max emitter-base breakdown |
| Collector Cutoff Current | - | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| 2SC4617R | NPN | SOT-523 | 50V | 150mA | 390 | 150mW | Shikues 📄 PDF |
| 2SC4617 | NPN | SOT-523 | 50V | 150mA | 390 | 150mW | HXY MOSFET 📄 PDF |
| 2DC4617S-7-F | NPN | SOT-523 | 50V | 150mA | 270 | 150mW | DIODES 📄 PDF |
| 2SC4617TLR | NPN | SOT-523 | 50V | 150mA | 180 | 150mW | ROHM 📄 PDF |
| 2SC4617 | NPN | SOT-523 | 50V | 150mA | 120 | 150mW | TWGMC 📄 PDF |