This post explains for the transistor.
The Part Number is D2539, 2SD2539.
The function of this semiconductor is 600V, 7A, NPN Transistor.
The package is TO-3P Type
Manufacturer: Toshiba Semiconductor
Image
Description:
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.
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 = 7 A
5. Total Dissipation : Pc = 50 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
D2539 PDF Datasheet
Posts related to ‘ NPN Transistor ‘
| Part number | Description |
| D1266 | Vcbo=60V, NPN Transistor |
| C4429 | NPN Transistor – 2SC4429 |
| NT405F | NT405F NPN Transistor – Panasonic |
| C4544 | Vcbo=300V, NPN Transistor – Toshiba |
| BLD123D | BLD123D – SILICON NPN TRANSISTOR |
| MT6C04AE | NPN Transistor – Toshiba |
| D1556 | D1556 – 2SD1556 – NPN Transistor |
| C3450 | 500V, 10A, NPN Transistor – Sanyo |
| 3DD127D | 400V, 2.5A, 50W – NPN Transistor |
| Fairchild | Vceo=40V, NPN Transistor |