S9018W Datasheet & Equivalents
NPN
SOT-323
General Purpose
JSCJ
VCEO
15V
Ic Max
50mA
Pd Max
200mW
hFE Gain
200
Quick Reference
The S9018W is a NPN bipolar junction transistor in a SOT-323 package, manufactured by JSCJ. It supports a breakdown voltage of 15V and continuous collector current of 50mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | JSCJ | Original Manufacturer |
| Package | SOT-323 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 15V | Max breakdown voltage |
| Collector Current (Ic) | 50mA | Max current handling |
| Power Dissipation (Pd) | 200mW | Max thermal limit |
| DC Current Gain (hFE) | 200 | Base signal amplification ratio |
| Transition Frequency (fT) | 600MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 500mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 50nA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| MMBTSC4098W | NPN | SOT-323 | 25V | 50mA | 82 | 200mW | ST(Semtech) 📄 PDF |
| BC848BWT106 | NPN | SOT-323 | 30V | 100mA | 200 | 200mW | ROHM 📄 PDF |
| LBC848BWT1G | NPN | SOT-323 | 30V | 100mA | 200 | 150mW | LRC 📄 PDF |
| BC848AW | NPN | SOT-323 | 30V | 100mA | 110 | 150mW | MSKSEMI 📄 PDF |
| BC848BW | NPN | SOT-323 | 30V | 100mA | 290 | 150mW | MSKSEMI 📄 PDF |
| BC849CW | NPN | SOT-323 | 30V | 100mA | 420 | 200mW | Nexperia 📄 PDF |
| 115 | NPN | SOT-323 | 30V | 100mA | 450 | 150mW | MSKSEMI 📄 PDF |