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Power Transistors
2SC3944, 2SC3944A
Silicon NPN epitaxial planar type
For low-frequency driver and high power amplification Complementary to 2SA1535 and 2SA1535A
10.0±0.2 5.5±0.2
Unit: mm 4.2±0.2 2.7±0.2
4.2±0.2
16.7±0.3 7.5±0.2 0.7±0.1
■ Features
• Excellent collector current IC characteristics of forward current
φ 3.1±0.1
transfer ratio hFE • High transition frequency fT • A complementary pair with 2SA1535 and 2SA1535A, is optimum
for the driver stage of a 60 W to 100 W output amplifier
/ • Full-pack package which can be installed to the heat sink with one screw
14.0±0.5 Solder Dip
(4.0)
1.4±0.1 0.8±0.1
1.3±0.2 0.5+–00..12
■ Absolute Maximum Ratings Ta = 25°C
e e) Parameter
Symbol Rating
Unit
c e.
C3944 Datasheet
