Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-126F
Pinout of 2SA1537-E
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The 2SA1537-E transistor can have a current gain of 100 to 200. The gain of the 2SA1537 will be in the range from 40 to 320, for the 2SA1537-C it will be in the range from 40 to 80, for the 2SA1537-D it will be in the range from 60 to 120, for the 2SA1537-F it will be in the range from 160 to 320.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SA1537-E might only be marked "A1537-E".
Complementary NPN transistor
The complementary NPN transistor to the 2SA1537-E is the 2SC3952-E.
SMD Version of 2SA1537-E transistor
The 2SA1202 (SOT-89), 2SA1620 (SOT-23), FMMTA56 (SOT-23), KST56 (SOT-23), KTA1662 (SOT-89), MMBTA56 (SOT-23), PMBTA56 (SOT-23), PZTA56 (SOT-223) and SMBTA56 (SOT-23) is the SMD version of the 2SA1537-E transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.
Replacement and Equivalent for 2SA1537-E transistor