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
Manufacturer: 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