S1815 Transistor Datasheet & Specifications
NPNSOT-23General Purpose
VCEO
50V
Ic Max
150mA
Pd Max
225mW
Gain
700
Quick Reference
The S1815 is a NPN bipolar transistor in a SOT-23 package. This datasheet provides complete specifications including 50V breakdown voltage and 150mA continuous collector current. Download the S1815 datasheet PDF below for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | FOSAN | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| VCEO | 50V | Breakdown voltage |
| IC Max | 150mA | Collector current |
| Pd Max | 225mW | Power dissipation |
| Gain | 700 | DC current gain |
| Frequency | 180MHz | Transition speed |
| VCEsat | 250mV | Saturation voltage |
| Vebo | 5V | Emitter-Base voltage |
| Temp | - | Operating temp |
Direct Replacements & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MMBTA05(RANGE:100-400) | NPN | SOT-23 | 60V | 500mA | 300mW |
| 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 |
| DNBT8105-7 | NPN | SOT-23 | 60V | 1A | 600mW |
| S9014 | NPN | SOT-23 | 45V | 100mA | 300mW |
| ZXTN2040FTA | NPN | SOT-23 | 40V | 1A | 310mW |
| FMMT493ATA | NPN | SOT-23 | 60V | 1A | 500mW |
| BC817-40Q-7-F | NPN | SOT-23 | 45V | 500mA | 310mW |