C1815 Datasheet & Equivalents
NPN
SOT-23
General Purpose
FUXINSEMI
VCEO
50V
Ic Max
150mA
Pd Max
200mW
hFE Gain
400
Quick Reference
The C1815 is a NPN bipolar junction transistor in a SOT-23 package, manufactured by FUXINSEMI. 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 | FUXINSEMI | Original Manufacturer |
| Package | SOT-23 | 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) | 200mW | Max thermal limit |
| DC Current Gain (hFE) | 400 | 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 |
|---|---|---|---|---|---|---|---|
| 2SC1815-MS | NPN | SOT-23 | 50V | 150mA | 400 | 200mW | MSKSEMI 📄 PDF |
| KTC3875S-G | NPN | SOT-23 | 50V | 150mA | 400 | 200mW | Shikues 📄 PDF |
| MMBTSC3875G | NPN | SOT-23 | 50V | 150mA | 400 | 150mW | PJSEMI 📄 PDF |
| 2SC1815 | NPN | SOT-23 | 50V | 150mA | 400 | 200mW | luJing |
| 2SC1815 | NPN | SOT-23 | 50V | 150mA | 400 | 200mW | Wild Goose 📄 PDF |
| 2SC1815 | NPN | SOT-23 | 50V | 150mA | 400 | 200mW | GOODWORK 📄 PDF |
| C945 | NPN | SOT-23 | 50V | 150mA | 400 | 200mW | Wild Goose 📄 PDF |
| C945 | NPN | SOT-23 | 50V | 150mA | 400 | 200mW | Guangdong Hot... 📄 PDF |
| C945 | NPN | SOT-23 | 50V | 150mA | 400 | 200mW | XCH 📄 PDF |
| C945 | NPN | SOT-23 | 50V | 150mA | 400 | 200mW | TWGMC 📄 PDF |
| 2DC2412R-7-HXY | NPN | SOT-23 | 50V | 150mA | 390 | 150mW | HXY MOSFET 📄 PDF |
| 2SC2412K | NPN | SOT-23 | 50V | 150mA | 390 | 200mW | Shikues 📄 PDF |
| H2SC2412KT146R | NPN | SOT-23 | 50V | 150mA | 390 | 150mW | HXY MOSFET 📄 PDF |
| 2SC1815H | NPN | SOT-23 | 50V | 150mA | 265 | 400mW | LGE 📄 PDF |
| 2SC2412-R | NPN | SOT-23 | 50V | 150mA | 560 | 200mW | YFW 📄 PDF |
| 2SD2226KT146V | NPN | SOT-23 | 50V | 150mA | 560 | 200mW | ROHM 📄 PDF |
| MMBTSC3875Y | NPN | SOT-23 | 50V | 150mA | 240 | 150mW | PJSEMI 📄 PDF |
| 2SC2712-GR | NPN | SOT-23 | 50V | 150mA | 200 | 200mW | TOSHIBA 📄 PDF |
| LXHF | NPN | SOT-23 | 50V | 150mA | 200 | 200mW | JSCJ 📄 PDF |
| C1815(RANGE:200-400) | NPN | SOT-23 | 50V | 150mA | 200 | 200mW | JSCJ 📄 PDF |