MMBT489LT1G Datasheet & Equivalents
NPN
SOT-23
General Purpose
onsemi
VCEO
30V
Ic Max
1A
Pd Max
310mW
hFE Gain
300
Quick Reference
The MMBT489LT1G is a NPN bipolar junction transistor in a SOT-23 package, manufactured by onsemi. It supports a breakdown voltage of 30V and continuous collector current of 1A. 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) | 30V | Max breakdown voltage |
| Collector Current (Ic) | 1A | Max current handling |
| Power Dissipation (Pd) | 310mW | Max thermal limit |
| DC Current Gain (hFE) | 300 | 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 |
|---|---|---|---|---|---|---|---|
| PBSS4130T | NPN | SOT-23 | 30V | 1A | 300 | 480mW | Nexperia 📄 PDF |
| 215 | NPN | SOT-23 | 30V | 1A | 100 | 500mW | Slkor 📄 PDF |
| FMMT489 | NPN | SOT-23 | 30V | 1A | 60 | 500mW | DIODES 📄 PDF |
| FMMT489TA | NPN | SOT-23 | 30V | 1A | - | 200mW | GOODWORK 📄 PDF |
| PBSS4140T-GK | NPN | SOT-23 | 30V | 1.2A | 20000 | 350mW | onsemi 📄 PDF |
| BCV27 | NPN | SOT-23 | 30V | 2A | 300 | 480mW | Nexperia 📄 PDF |
| PBSS4230T | NPN | SOT-23 | 40V | 1A | 300 | 450mW | Nexperia 📄 PDF |
| 215 | NPN | SOT-23 | 40V | 1A | 200 | 500mW | DIODES 📄 PDF |
| PBSS4140T | NPN | SOT-23 | 40V | 1A | 200 | 500mW | DIODES 📄 PDF |
| 215 | NPN | SOT-23 | 40V | 1A | 200 | 310mW | DIODES 📄 PDF |
| FMMT491ATA | NPN | SOT-23 | 40V | 1.5A | 400 | 300mW | XCH 📄 PDF |
| FMMT491ATC | NPN | SOT-23 | 40V | 2A | 300 | 730mW | DIODES 📄 PDF |
| ZXTN2040FTA | NPN | SOT-23 | 40V | 2A | 300 | 730mW | DIODES 📄 PDF |
| SS8050 | NPN | SOT-23 | 40V | 2A | 200 | 460mW | onsemi 📄 PDF |
| DSS4240T-7 | NPN | SOT-23 | 40V | 2A | 200 | 300mW | Slkor 📄 PDF |
| ZXTN4240F-7 | NPN | SOT-23 | 40V | 2A | - | 300mW | GOODWORK |
| NSS40201LT1G | NPN | SOT-23 | 50V | 1.25A | 200 | 500mW | DIODES 📄 PDF |
| SS30101-Q | NPN | SOT-23 | 50V | 1.5A | 100 | 225mW | LRC 📄 PDF |
| PBSS4240 | NPN | SOT-23 | 50V | 2A | 300 | 625mW | HXY MOSFET 📄 PDF |
| FMMTL619TA | NPN | SOT-23 | 50V | 2A | 300 | 350mW | HXY MOSFET 📄 PDF |