Download the C3940 datasheet PDF.
This datasheet also covers the C3940A variant, as both devices belong to the same silicon npn transistor family and are provided as variant models within a single manufacturer datasheet.
Key Features
0.7±0.1
0.7±0.2 13.5±0.5.
Low collector-emitter saturation voltage VCE(sat).
Allowing supply with the radial taping.
Absolute Maximum Ratings Ta = 25°C
Parameter
Symbol Rating
Unit
/ Collector-base voltage 2SC3940 VCBO
30
V
0.45+.
00..12
0.45+.
00..115
e (Emitter open)
2SC3940A
60
c type) Collector-emitter voltage 2SC3940 VCEO
25
2.3±0.2
V
n d ge. ed (Base open)
2SC3940A
50
le sta ntinu Emitter-base voltage (Collector open) VEBO
5
V.
Note: The manufacturer provides a single datasheet file (C3940A_PanasonicSemiconductor.pdf) that lists specifications for multiple related part numbers.
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
C3940. For precise diagrams, and layout, please refer to the original PDF.
Transistors 2SC3940, 2SC3940A Silicon NPN epitaxial planar type For low-frequency output amplification and driver amplification Complementary to 2SA1534, 2SA1534A 5.0±0.2...
View more extracted text
on and driver amplification Complementary to 2SA1534, 2SA1534A 5.0±0.2 Unit: mm 4.0±0.2 8.0±0.2 ■ Features 0.7±0.1 0.7±0.2 13.5±0.5 • Low collector-emitter saturation voltage VCE(sat) • Allowing supply with the radial taping ■ Absolute Maximum Ratings Ta = 25°C Parameter Symbol Rating Unit / Collector-base voltage 2SC3940 VCBO 30 V 0.45+–00..12 0.45+–00..115 e (Emitter open) 2SC3940A 60 c type) Collector-emitter voltage 2SC3940 VCEO 25 2.3±0.2 V n d ge. ed (Base open) 2SC3940A 50 le sta ntinu Emitter-base voltage (Collector open) VEBO 5 V a e cyc isco Collector current IC 1 A life d, d Peak collector current ICP 1.
C3940 Datasheet
