FZT1149ATA Datasheet & Equivalents
PNP
SOT-223
General Purpose
DIODES
VCEO
25V
Ic Max
4A
Pd Max
1.6W
hFE Gain
195
Quick Reference
The FZT1149ATA is a PNP bipolar junction transistor in a SOT-223 package, manufactured by DIODES. It supports a breakdown voltage of 25V and continuous collector current of 4A. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | DIODES | Original Manufacturer |
| Package | SOT-223 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 25V | Max breakdown voltage |
| Collector Current (Ic) | 4A | Max current handling |
| Power Dissipation (Pd) | 1.6W | Max thermal limit |
| DC Current Gain (hFE) | 195 | Base signal amplification ratio |
| Transition Frequency (fT) | 135MHz | 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 |
|---|---|---|---|---|---|---|---|
| FZT949 | PNP | SOT-223 | 30V | 5.5A | 75 | 3W | DIODES 📄 PDF |
| PBSS5540Z | PNP | SOT-223 | 40V | 5A | 150 | 2W | Nexperia 📄 PDF |
| 115 | PNP | SOT-223 | 60V | 4.5A | 295 | 1W | LRC 📄 PDF |
| S-LBTP460Z4TZHG | PNP | SOT-223 | 60V | 5A | 160 | 12.8W | DIODES 📄 PDF |
| ZXTP19060CGTA | PNP | SOT-223 | 60V | 5A | 100 | 3W | DIODES 📄 PDF |
| FZT951TA | PNP | SOT-223 | 60V | 5A | 75 | 3W | DIODES 📄 PDF |
| FZT951QTA | PNP | SOT-223 | 60V | 5A | 350 | 1.6W | ST 📄 PDF |
| STN951 | PNP | SOT-223 | 60V | 5.5A | 100 | 3W | DIODES 📄 PDF |
| ZX5T951GQTC | PNP | SOT-223 | 60V | 5.5A | 100 | 3W | DIODES 📄 PDF |
| ZX5T951GTA | PNP | SOT-223 | 60V | 5.5A | 100 | 3W | DIODES 📄 PDF |
| ZX5T951GTC | PNP | SOT-223 | 60V | 5.5A | 45 | 3W | DIODES 📄 PDF |
| ZXTP2012GTA | PNP | SOT-223 | 60V | 6A | 100 | 2W | DIODES 📄 PDF |
| DSS60600MZ4-13 | PNP | SOT-223 | 60V | 6A | 100 | 3W | DIODES 📄 PDF |
| ZX5T1951GTA | PNP | SOT-223 | 60V | 6A | 70 | 833mW | LRC 📄 PDF |
| LBTP660Z4TZHG | PNP | SOT-223 | 60V | 6A | 360 | 2W | onsemi 📄 PDF |
| NSS60600MZ4T1G | PNP | SOT-223 | 60V | 6A | 360 | 2W | onsemi 📄 PDF |