1/4″ Jack – Switchcraft, Mono, shunt tip

Switchcraft Type 12A Littel-Jax shorting type phone jack. The switched terminal is normally closed and is usually connected to ground to eliminate hum when unplugged. Includes nut and washer

  • Type 12A
  • 0.275″ bushing length (standard) or 0.375″ bushing length (long)
  • Mates with standard ¼” plugs and is available with 0.25″ inside diameter bushing.
  • Mono 2-Conductor.
  • Includes nut and washer
  • Tip is shunt
Mounting BushingNickel-plated copper alloy.
InsulationRigid plastic
SpringsSpecial copper alloy. Fine silver contacts
Sleeve TerminalCopper alloy
HardwareSupplied with one copper alloy nickel-plated hex nut, and one copper alloy nickel-plated washer


Switching Diagram for Long (0.375″):

Switching Diagram for Long (0.375")

Switching Diagram for Standard (0.275″):

Switching Diagram for Standard (0.275")

Pricing and Options


5 in stock (can be backordered)


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