MMBTA55 Transistor Datasheet & Specifications
PNP
SOT-23
General Purpose
R+O
VCEO
60V
Ic Max
500mA
Pd Max
225mW
hFE Gain
400
Quick Reference
The MMBTA55 is a PNP bipolar transistor in a SOT-23 package by R+O. This datasheet provides complete specifications including 60V breakdown voltage and 500mA continuous collector current. Download the MMBTA55 datasheet PDF above for detailed pinout diagrams and application circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | R+O | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| VCEO | 60V | Breakdown voltage |
| Ic | 500mA | Collector current |
| Pd | 225mW | Power dissipation |
| DC Current Gain | 400 | hFE / Beta |
| Frequency | 50MHz | Transition speed (fT) |
| VCEsat | 250mV | Saturation voltage |
| Vebo | 4V | Emitter-Base voltage |
| Cutoff Current | 100nA | Leakage (ICBO) |
| Temp | - | Operating temp |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | Ic | Pd |
|---|---|---|---|---|---|
| MMBT2907A-7-F | PNP | SOT-23 | 60V | 600mA | 350mW |
| MMBTA92 | PNP | SOT-23 | 300V | 500mA | 300mW |
| ZXTP25100BFHTA | PNP | SOT-23 | 100V | 2A | 1.25W |
| PBSS5160T,215 | PNP | SOT-23 | 60V | 1A | 400mW |
| MMBT5401 | PNP | SOT-23 | 150V | 500mA | 225mW |
| MMBT2907A | PNP | SOT-23 | 60V | 600mA | 300mW |
| MMBT5401 | PNP | SOT-23 | 150V | 600mA | 300mW |
| MMBT2907A | PNP | SOT-23 | 60V | 600mA | 250mW |
| FMMT591TA | PNP | SOT-23 | 60V | 1A | 500mW |
| MMBT2907ALT1HTSA1 | PNP | SOT-23 | 60V | 600mA | 330mW |