This is one of the transistor types.
This part name is D2499, 2SD2499.
The package is TO-3P.
This product has Horizontal Deflection Output For Color TV functions.
Manufacturers of product is Toshiba.
See the preview image and the PDF file for more information.
Image
Description :
This is 600V, 6A, Silicon NPN Triple Diffused Mesa Type Transistor.
Some of the text files within the PDF file :
Features :
1. High Voltage : Vcbo = 1500V
2. Low Saturation Voltage : Vce(sat) = 5V (Max.)
3. High Speed : tf = 0.3us (Typ.)
4. Built-in Damper Type
5. Collector Metal (Fin) is Fully Covered with Mold Resin.
D2499 pinout
MAXIMUM RATINGS (Tc = 25°C)
1. Collector-Base Voltage : VCBO = 1500 V
2. Collector-Emitter Voltage : VCEO = 600 V
3. Emitter-Base Voltage: VEBO = 5 V
4. Collector Current : DC IC = 6, Pulse ICP = 12
5. Base Current : IB = 3 A
6. Collector Power Dissipation : PC = 50 W