Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-92MOD
Pinout of 2SC3940A-S
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SC3940A-S transistor can have a current gain of 170 to 340. The gain of the 2SC3940A will be in the range from 85 to 340, for the 2SC3940A-Q it will be in the range from 85 to 170, for the 2SC3940A-R it will be in the range from 120 to 240.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SC3940A-S might only be marked "C3940A-S".
Complementary PNP transistor
The complementary PNP transistor to the 2SC3940A-S is the 2SA1534A-S.
SMD Version of 2SC3940A-S transistor
The 2SD1615 (SOT-89), 2SD1622 (SOT-89), 2SD602A (SOT-23), 2SD602A-S (SOT-23), 2SD874A (SOT-89), 2SD874A-S (SOT-89), FMMTA05 (SOT-23), KST05 (SOT-23), MMBTA05 (SOT-23), PZTA05 (SOT-223) and SMBTA05 (SOT-23) is the SMD version of the 2SC3940A-S transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.
Replacement and Equivalent for 2SC3940A-S transistor