2SA1721-O(TE85L,F) Datasheet & Equivalents
PNP
SOT-23
General Purpose
TOSHIBA
VCEO
300V
Ic Max
100mA
Pd Max
150mW
hFE Gain
30
Quick Reference
The 2SA1721-O(TE85L,F) is a PNP bipolar junction transistor in a SOT-23 package, manufactured by TOSHIBA. It supports a breakdown voltage of 300V and continuous collector current of 100mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | TOSHIBA | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 300V | Max breakdown voltage |
| Collector Current (Ic) | 100mA | Max current handling |
| Power Dissipation (Pd) | 150mW | Max thermal limit |
| DC Current Gain (hFE) | 30 | Base signal amplification ratio |
| Transition Frequency (fT) | 55MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 500mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 100nA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| BFN27E6327HTSA1 | PNP | SOT-23 | 300V | 200mA | 25 | 360mW | Infineon 📄 PDF |
| FMMTA92QTA | PNP | SOT-23 | 300V | 200mA | 40 | 350mW | DIODES 📄 PDF |
| FMMTA92TA | PNP | SOT-23 | 300V | 200mA | 40 | 310mW | DIODES 📄 PDF |
| MMBTA92(RANGE:100-200) | PNP | SOT-23 | 300V | 200mA | 60 | 300mW | JSCJ 📄 PDF |
| FMMT597TA | PNP | SOT-23 | 300V | 200mA | 100 | 500mW | DIODES 📄 PDF |
| MMBTA92 | PNP | SOT-23 | 300V | 200mA | 100 | 300mW | Slkor 📄 PDF |
| MMBTA92 | PNP | SOT-23 | 300V | 200mA | 100 | 300mW | Guangdong Hot... 📄 PDF |
| MMBTA92 | PNP | SOT-23 | 300V | 200mA | 100 | 300mW | JUXING 📄 PDF |
| MMBTA92-6AF | PNP | SOT-23 | 300V | 200mA | 200 | 300mW | FOSAN 📄 PDF |
| MMBTA92-MS | PNP | SOT-23 | 300V | 200mA | 200 | 300mW | MSKSEMI 📄 PDF |
| MMBTA92 | PNP | SOT-23 | 300V | 200mA | 200 | 300mW | GOODWORK 📄 PDF |
| MMBTA92 | PNP | SOT-23 | 300V | 200mA | 200 | 300mW | ALJ 📄 PDF |
| MMBTA92 | PNP | SOT-23 | 300V | 200mA | 200 | 300mW | Wild Goose 📄 PDF |
| FMMT558TA | PNP | SOT-23 | 400V | 150mA | 100 | 500mW | DIODES 📄 PDF |
| MMBTA94 | PNP | SOT-23 | 400V | 200mA | 80 | 350mW | JSCJ 📄 PDF |
| MMBTA94 | PNP | SOT-23 | 400V | 200mA | 250 | 350mW | ALJ 📄 PDF |
| MMBTA94-6AF | PNP | SOT-23 | 400V | 200mA | 300 | 350mW | FOSAN 📄 PDF |
| MMBTA94-JSM | PNP | SOT-23 | 400V | 200mA | 300 | 350mW | JSMSEMI 📄 PDF |
| MMBTA94 | PNP | SOT-23 | 400V | 200mA | 300 | 350mW | R+O 📄 PDF |
| MMBTA94 | PNP | SOT-23 | 400V | 200mA | 300 | 350mW | HT(Shenzhen J... 📄 PDF |