This post explains for the transistor.
The Part Number is A2099, 2SA2099.
The function of this semiconductor is -50V, -10A, PNP transistor.
The package is TO-220ML Type
Manufacturer: Sanyo Semiconductor
Preview images :
Description
A2099 is PNP Epitaxial Planar Silicon Transistor.
Characteristics of PNP transistors:
Features:
• Adoption of MBIT processes.
• Large current capacitance.
• Low collector-to-emitter saturation voltage.
• High-speed switching
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = – 50 V
2. Collector to Emitter Voltage: Vceo = – 50 V
3. Emitter to Base Voltage: Vebo = – 6 V
4. Collector Current: Ic = – 10 A
5. Collector Dissipation : Pc = 25 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
Applications:
• Relay drivers, lamp drivers, motor drivers.