BCW65ALT1G Datasheet & Equivalents
NPN
SOT-23
General Purpose
onsemi
VCEO
32V
Ic Max
800mA
Pd Max
225mW
hFE Gain
100
Quick Reference
The BCW65ALT1G is a NPN bipolar junction transistor in a SOT-23 package, manufactured by onsemi. It supports a breakdown voltage of 32V and continuous collector current of 800mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | onsemi | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 32V | Max breakdown voltage |
| Collector Current (Ic) | 800mA | Max current handling |
| Power Dissipation (Pd) | 225mW | Max thermal limit |
| DC Current Gain (hFE) | 100 | Base signal amplification ratio |
| Transition Frequency (fT) | 100MHz | 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 |
|---|---|---|---|---|---|---|---|
| 2SD1781KT146Q | NPN | SOT-23 | 32V | 800mA | 120 | 200mW | ROHM 📄 PDF |
| BCW65CLT1G | NPN | SOT-23 | 32V | 800mA | 80 | 300mW | onsemi 📄 PDF |
| BSR14 | NPN | SOT-23 | 40V | 800mA | 35 | 350mW | onsemi 📄 PDF |
| FMMT491ATA | NPN | SOT-23 | 40V | 1A | 200 | 500mW | DIODES 📄 PDF |
| FMMT491ATC | NPN | SOT-23 | 40V | 1A | 200 | 500mW | DIODES 📄 PDF |
| ZXTN2040FTA | NPN | SOT-23 | 40V | 1A | 200 | 310mW | DIODES 📄 PDF |
| PBSS4140T | NPN | SOT-23 | 40V | 1A | 300 | 450mW | Nexperia 📄 PDF |
| 215 | NPN | SOT-23 | 40V | 1.5A | 400 | 300mW | XCH 📄 PDF |
| SS8050 | NPN | SOT-23 | 40V | 2A | 200 | 460mW | onsemi 📄 PDF |
| NSS40201LT1G | NPN | SOT-23 | 40V | 2A | - | 300mW | GOODWORK |
| PBSS4240 | NPN | SOT-23 | 40V | 2A | 200 | 300mW | Slkor 📄 PDF |
| SS30101-Q | NPN | SOT-23 | 40V | 2A | 300 | 730mW | DIODES 📄 PDF |
| DSS4240T-7 | NPN | SOT-23 | 40V | 2A | 300 | 730mW | DIODES 📄 PDF |
| ZXTN4240F-7 | NPN | SOT-23 | 45V | 800mA | 50 | 225mW | onsemi 📄 PDF |
| BCW66GLT1G | NPN | SOT-23 | 45V | 800mA | 250 | 200mW | JSCJ 📄 PDF |
| BCW66H(RANGE:250-630) | NPN | SOT-23 | 45V | 800mA | 250 | 310mW | DIODES 📄 PDF |
| BCW66HTA | NPN | SOT-23 | 50V | 1.25A | 200 | 500mW | DIODES 📄 PDF |
| FMMTL619TA | NPN | SOT-23 | 50V | 1.5A | 100 | 225mW | LRC 📄 PDF |
| LH8050QLT1G | NPN | SOT-23 | 50V | 2A | 100 | 300mW | Nexperia 📄 PDF |
| PBSS4350T | NPN | SOT-23 | 50V | 2A | 100 | 350mW | BORN 📄 PDF |