S9018 Transistor Datasheet & Specifications
NPN
SOT-23
General Purpose
FOSAN
VCEO
20V
Ic Max
50mA
Pd Max
300mW
hFE Gain
200
Quick Reference
The S9018 is a NPN bipolar transistor in a SOT-23 package by FOSAN. This datasheet provides complete specifications including 20V breakdown voltage and 50mA continuous collector current. Download the S9018 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | FOSAN | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 20V | Breakdown voltage |
| Ic | 50mA | Collector current |
| Pd | 300mW | Power dissipation |
| DC Current Gain | 200 | hFE / Beta |
| Frequency | 1.1GHz | Transition speed (fT) |
| VCEsat | - | Saturation voltage |
| Vebo | - | Emitter-Base voltage |
| Cutoff Current | 500nA | Leakage (ICBO) |
| Temp | - | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MMBTA05(RANGE:100-400) | NPN | SOT-23 | 60V | 500mA | 300mW |
| ZXTN2020FTA | NPN | SOT-23 | 100V | 4A | 1.2W |
| FMMT491ATA | NPN | SOT-23 | 40V | 1A | 500mW |
| BC817-16LT1G | NPN | SOT-23 | 45V | 500mA | 225mW |
| BC817-40LT1G | NPN | SOT-23 | 45V | 500mA | 225mW |
| MMBT3904-7-F | NPN | SOT-23 | 40V | 200mA | 310mW |
| MMBT5089 | NPN | SOT-23 | 25V | 100mA | 200mW |
| DN350T05-7 | NPN | SOT-23 | 350V | 500mA | 300mW |
| DNBT8105-7 | NPN | SOT-23 | 60V | 1A | 600mW |
| FMMT458TA | NPN | SOT-23 | 400V | 225mA | 500mW |