2SD1138 NPN Power Transistor TO-220 Electrohome G07

The 2SD1138 NPN Power Transistor is a TO-220 package transistor used in the vertical deflection circuit of the Electrohome G07 CRT monitor chassis. Commonly designated as positions X401 and X402 on the G07 board, this transistor is a critical component for restoring proper vertical deflection and image stability on G07-equipped arcade cabinets.Whether you're doing a full cap kit restoration or diagnosing a collapsed vertical picture, replacing worn or failed deflection transistors is an essential step. Keep spares on hand for any serious G07 repair kit.Specifications Part Number: 2SD1138 Type: NPN Bipolar Junction Transistor (BJT) Package: TO-220 Application: Vertical deflection circuit Board Positions: X401, X402 (Electrohome G07) Compatibility Electrohome G07 CRT monitor chassis (all variants including G07-CBO, G07-ABO, G07-FBO) Arcade cabinets using the G07 chassis — Galaga, Ms. Pac-Man, Donkey Kong, and many other classic titles MAME cabinet builds using restored G07 monitors Why Buy From Paradise Arcade? Correct OEM-spec replacement part for G07 vertical deflection Sourced specifically for arcade monitor repair use cases Pairs perfectly with G07 capacitor kits and width coils available in our store Low cost insurance — keep extras on hand for future repairs