This is one of the transistor types.
Part Number : D1266, 2SD1266, D1266A
Function : 60V, 3A, Silicon NPN triple diffusion planar type transistor
Package : TO-220 Type
Manufactures : Panasonic
Image
Description
The D1266 is a silicon NPN transistor, Vcbo = 60V, Ic = 3A.
Complementary to 2SB941 and 2SB941A
Applications :
1. audio frequency stage, power switch
2. For power amplification
Pinout
Features :
1. High forward current transfer ratio hFE which has satisfactory linearity
2. Low collector to emitter saturation voltage VCE(sat)
3. Full-pack package which can be installed to the heat sink with one screw
Absolute maximum ratings ( Ta=25°C ) :
1. Collector to Base Voltage : Vcbo = 60 V
2. Collector to Emitter Voltage : Vceo = 60 V
3. Emitter to Base Voltage : Vebo = 6 V
4. Collector Current : Ic = 3 A
5. Collector Dissipation : Pc = 2 W
6. Junction Temperature : Tj = 150°C
7. Storage Temperature : Tsg = -55 ~ +150°C
D1266 Datasheet