Transistor Replacement 5 – Pack PN2222AD26ZCT-ND

PNP 200 mA transistor. As used in the MSStim V2.2 and later.

Transistor replacement 2 - pack ZTX553-ND MSx30 Q22, Q23

This is the Bosch BIP373 coil driver triple darlington on its own. If replacing a VB921, you must use a mica insulator. For a BIP373 packaged with a mica insulator, or more information on BIP373s, please see our BIP373 mod kit.

Transistor replacement 2 - pack ZTX450-NDMSx30 Q2, Q4

Package of 2 TIP42COS-ND transistors.These go in the Q3 and Q11 slots on the V3.0 board and are part of the active flyback circuit.

Set of 2 IRFIZ34G-ND FET transistors. Q1 and Q5 in the V3.0 kits. Q2 and Q7 in the V2.2 kits.