S9018 Datasheet & Equivalents
NPN
SOT-23
General Purpose
MDD(Microdiode Semiconductor)
VCEO
15V
Ic Max
50mA
Pd Max
200mW
hFE Gain
70
Quick Reference
The S9018 is a NPN bipolar junction transistor in a SOT-23 package, manufactured by MDD(Microdiode Semiconductor). 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 | MDD(Microdiode Semiconductor) | Original Manufacturer |
| Package | SOT-23 | 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) | 70 | Base signal amplification ratio |
| Transition Frequency (fT) | 800MHz | 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 | - | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| 2SC2757 | NPN | SOT-23 | 15V | 50mA | 195 | 150mW | Shikues 📄 PDF |
| BF570 | NPN | SOT-23 | 15V | 100mA | 40 | 250mW | Nexperia 📄 PDF |
| 215 | NPN | SOT-23 | 20V | 50mA | 20 | 225mW | Shikues 📄 PDF |
| 2SC2714Y | NPN | SOT-23 | 20V | 50mA | 200 | 200mW | BORN 📄 PDF |
| MMBTH10 | NPN | SOT-23 | 25V | 50mA | 60 | 225mW | Guangdong Hot... 📄 PDF |
| MMBTH10 | NPN | SOT-23 | 25V | 50mA | 60 | 225mW | UMW 📄 PDF |
| MMBTH10 | NPN | SOT-23 | 25V | 50mA | 60 | 225mW | TWGMC 📄 PDF |
| MMBTH10 | NPN | SOT-23 | 25V | 50mA | 200 | 225mW | FOSAN 📄 PDF |
| MMBTH10-6AF | NPN | SOT-23 | 25V | 50mA | 400 | 300mW | onsemi 📄 PDF |
| MMBT5089LT1G | NPN | SOT-23 | 25V | 100mA | 400 | 200mW | Shikues 📄 PDF |
| MMBT5089 | NPN | SOT-23 | 25V | 100mA | 1000 | 200mW | JSMSEMI 📄 PDF |
| S9014 | NPN | SOT-23 | 30V | 50mA | 300 | 225mW | onsemi 📄 PDF |
| MMBT5088LT1G | NPN | SOT-23 | 30V | 100mA | 110 | 225mW | onsemi 📄 PDF |
| BC848BLT1G | NPN | SOT-23 | 30V | 100mA | 110 | 225mW | onsemi 📄 PDF |
| BC848CLT1G | NPN | SOT-23 | 30V | 100mA | 110 | 225mW | onsemi 📄 PDF |
| BC849CLT1G | NPN | SOT-23 | 30V | 100mA | 110 | 225mW | LRC 📄 PDF |
| LBC848ALT1G | NPN | SOT-23 | 30V | 100mA | 110 | 200mW | JUXING 📄 PDF |
| BC848A | NPN | SOT-23 | 30V | 100mA | 125 | 200mW | JSCJ 📄 PDF |
| AD-BC848 | NPN | SOT-23 | 30V | 100mA | 200 | 250mW | Nexperia 📄 PDF |
| BC848B | NPN | SOT-23 | 30V | 100mA | 200 | 200mW | BORN 📄 PDF |