The 2SK3537-01MR, 2SK-3537, K3537, 3537 is a 150V 33A TO-220NIS Package N-Channel MOSFET, from FUJI Electric manufacturer is a IC Chips with N CHANNEL SILICON POWER MOSFET. More details for 2SK3537 can be seen below.
These epitaxial planar transistors are mounted in the TO-126 plastic package. The NPN types are the BD135 and BD139, and the complementary PNP types are the BD136 and BD140.
The TIP35C TIP-35 35C is a NPN Power Amplifier Transistor TO-247 Package Bipolar Transistor, TIP35C is a three layer NPN device within the working range, the collector current IC is a function of the base current IB.