The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
Power Transistors
2SD1261, 2SD1261A
Silicon NPN triple diffusion planar type Darlington
For power amplification Complementary to 2SB938 and 2SB938A
10.0±0.3
8.5±0.2 6.0±0.5
3.4±0.3
Unit: mm
1.0±0.1
q q q
High foward current transfer ratio hFE High-speed switching N type package enabling direct soldering of the radiating fin to the printed circuit board, etc. of small electronic equipment. (TC=25˚C)
Ratings 60 80 60 80 5 8 4 40 1.3 150 –55 to +150 Unit V
1.5±0.1
s Features
1.5max.
10.5min. 2.0
1.1max.
0.8±0.1
0.5max.
s Absolute Maximum Ratings
Parameter Collector to base voltage Collector to 2SD1261 2SD1261A 2SD1261 Symbol VCBO VCEO VEBO ICP IC PC Tj Tstg
2.54±0.3 5.08±0.5 1 2 3
1:Base 2:Collector 3:Emitter N Type Package Unit: mm
3.4±0.3 1.0±0.1
8.5±0.
2SD1261 Datasheet
