This post explains for the transistor.
Part Number: D2586, 2SD2586
Function: 600V, 5A, NPN Transistor
Package: TO-220 Type
Manufacturer: Toshiba
Images:
Description
The D2586 is 600V, 5A, NPN Transistor.
Features
1. High Voltage : VCBO = 1500 V
2. Low Saturation Voltage : VCE (sat) = 5 V (Max.)
3. High Speed : tf = 0.3 µs (Typ.)
4. Bult-in Damper Type
5. Collector Metal (Fin) is Fully Covered with Mold Resin.
Pinouts:
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 1500 V
2. Collector to Emitter Voltage: Vceo = 600 V
3. Emitter to Base Voltage: Vebo =5 V
4. Collector Current: Ic = 5 A
5. Total Dissipation : Pc = 50 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
Applications:
1. HORIZONTAL DEFLECTION OUTPUT FOR COLOR TV