2SA1579 Datasheet & Equivalents
PNP
SOT-323
General Purpose
JSCJ
VCEO
120V
Ic Max
50mA
Pd Max
100mW
hFE Gain
180
Quick Reference
The 2SA1579 is a PNP bipolar junction transistor in a SOT-323 package, manufactured by JSCJ. It supports a breakdown voltage of 120V and continuous collector current of 50mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | JSCJ | Original Manufacturer |
| Package | SOT-323 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 120V | Max breakdown voltage |
| Collector Current (Ic) | 50mA | Max current handling |
| Power Dissipation (Pd) | 100mW | Max thermal limit |
| DC Current Gain (hFE) | 180 | Base signal amplification ratio |
| Transition Frequency (fT) | 140MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 500mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 500nA | Leakage current when OFF |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| 2SA1587-GR | PNP | SOT-323 | 120V | 100mA | 200 | 100mW | TOSHIBA 📄 PDF |
| LF | PNP | SOT-323 | 300V | 100mA | 25 | 200mW | DIODES 📄 PDF |