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.
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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.
Toshiba Transistor Silicon NPN Triple Diffused Mesa Type
Description
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
D2499 Datasheet
