Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-220F
Pinout of KTA1049Y
Here is an image showing the pin diagram of this transistor.
Classification of hFE
The KTA1049Y transistor can have a current gain of 120 to 240. The gain of the KTA1049 will be in the range from 70 to 240, for the KTA1049O it will be in the range from 70 to 140.
Complementary NPN transistor
The complementary NPN transistor to the KTA1049Y is the KTC2028O.
SMD Version of KTA1049Y transistor
The BDP954 (SOT-223) is the SMD version of the KTA1049Y transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.
Replacement and Equivalent for KTA1049Y transistor