FMMT591 Datasheet & Equivalents
PNP
SOT-23
General Purpose
amsem
VCEO
40V
Ic Max
1A
Pd Max
500mW
hFE Gain
100
Quick Reference
The FMMT591 is a PNP bipolar junction transistor in a SOT-23 package, manufactured by amsem. It supports a breakdown voltage of 40V and continuous collector current of 1A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | amsem | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 40V | Max breakdown voltage |
| Collector Current (Ic) | 1A | Max current handling |
| Power Dissipation (Pd) | 500mW | Max thermal limit |
| DC Current Gain (hFE) | 100 | Base signal amplification ratio |
| Transition Frequency (fT) | 150MHz | 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 |
|---|---|---|---|---|---|---|---|
| FMMT591ATA | PNP | SOT-23 | 40V | 1A | 250 | 500mW | DIODES 📄 PDF |
| ZXTP2041FTA | PNP | SOT-23 | 40V | 1A | 250 | 350mW | DIODES 📄 PDF |
| PBSS5140T | PNP | SOT-23 | 40V | 1A | 300 | 450mW | Nexperia 📄 PDF |
| 215 | PNP | SOT-23 | 40V | 1A | 300 | 250mW | Nexperia 📄 PDF |
| PMMT591A | PNP | SOT-23 | 40V | 1.5A | 180 | 806mW | DIODES 📄 PDF |
| 215 | PNP | SOT-23 | 40V | 1.5A | 180 | 806mW | DIODES 📄 PDF |
| FMMT720QTA | PNP | SOT-23 | 40V | 1.5A | 180 | 625mW | DIODES 📄 PDF |
| FMMT720TA | PNP | SOT-23 | 40V | 2A | 100 | 730mW | DIODES 📄 PDF |
| FMMT720 | PNP | SOT-23 | 40V | 2A | 100 | 300mW | LRC 📄 PDF |
| DSS5240TQ-7 | PNP | SOT-23 | 40V | 2A | 150 | 540mW | onsemi 📄 PDF |
| LBSS5240LT1G | PNP | SOT-23 | 40V | 2A | - | 300mW | GOODWORK |
| NSV40200LT1G | PNP | SOT-23 | 40V | 2A | 210 | 480mW | Nexperia 📄 PDF |
| PBSS5240 | PNP | SOT-23 | 40V | 2A | 210 | 730mW | DIODES 📄 PDF |
| PBSS5240T | PNP | SOT-23 | 40V | 2A | 300 | 730mW | DIODES 📄 PDF |
| 215 | PNP | SOT-23 | 50V | 1A | 500 | 800mW | SPTECH 📄 PDF |
| ZXTP5240F-7 | PNP | SOT-23 | 50V | 1.5A | 100 | 225mW | LRC 📄 PDF |
| DSS5240T-7 | PNP | SOT-23 | 50V | 2A | 200 | 1.2W | JSMSEMI 📄 PDF |
| 2SB1691WL-TL-E | PNP | SOT-23 | 50V | 2A | - | 300mW | GOODWORK 📄 PDF |
| LH8550QLT1G | PNP | SOT-23 | 60V | 1A | 100 | 250mW | JSCJ 📄 PDF |
| PBSS5350T | PNP | SOT-23 | 60V | 1A | 100 | 500mW | MCC 📄 PDF |