FMMT634TA Datasheet & Equivalents
NPN
SOT-23
General Purpose
DIODES
VCEO
100V
Ic Max
900mA
Pd Max
625mW
hFE Gain
20000
Quick Reference
The FMMT634TA is a NPN bipolar junction transistor in a SOT-23 package, manufactured by DIODES. It supports a breakdown voltage of 100V and continuous collector current of 900mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | DIODES | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 100V | Max breakdown voltage |
| Collector Current (Ic) | 900mA | Max current handling |
| Power Dissipation (Pd) | 625mW | Max thermal limit |
| DC Current Gain (hFE) | 20000 | Base signal amplification ratio |
| Transition Frequency (fT) | 140MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 960mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | - | Max emitter-base breakdown |
| Collector Cutoff Current | 100nA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃@(Tj) | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| CMPT8099-HXY | NPN | SOT-23 | 100V | 1A | 300 | 250mW | HXY MOSFET 📄 PDF |
| FMMT411TA-HXY | NPN | SOT-23 | 100V | 1A | 300 | 250mW | HXY MOSFET 📄 PDF |
| FMMT416TD-HXY | NPN | SOT-23 | 100V | 1A | 300 | 250mW | HXY MOSFET 📄 PDF |
| FMMT493TA-CN | NPN | SOT-23 | 100V | 1A | 300 | 250mW | ChipNobo 📄 PDF |
| PBSS8110T-HXY | NPN | SOT-23 | 100V | 1A | 300 | 250mW | HXY MOSFET 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 1A | 300 | 250mW | TECH PUBLIC 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 1A | 300 | 250mW | GOODWORK 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 1A | 300 | 250mW | MSKSEMI 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 1A | 200 | 500mW | LGE 📄 PDF |
| PBSS8110T | NPN | SOT-23 | 100V | 1A | 150 | 480mW | Nexperia 📄 PDF |
| 215 | NPN | SOT-23 | 100V | 1A | 100 | 250mW | JSCJ 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 1A | 100 | 250mW | R+O 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 1A | 100 | 250mW | FUXINSEMI 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 1A | 100 | 250mW | JSMSEMI 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 1A | 60 | 500mW | DIODES 📄 PDF |
| FMMT493QTA | NPN | SOT-23 | 100V | 1A | 60 | 500mW | DIODES 📄 PDF |
| FMMT493TA | NPN | SOT-23 | 100V | 1A | 60 | 500mW | DIODES 📄 PDF |
| FMMT493TC | NPN | SOT-23 | 100V | 1A | 60 | 500mW | BORN 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 1A | - | 250mW | Huixin 📄 PDF |
| FMMT493 | NPN | SOT-23 | 100V | 2A | 150 | 710mW | onsemi 📄 PDF |