Switchcraft TR2A
2-Conductor .101" Subminiature Phone Jack


Extremely small, rugged, shunted Micro-Jax® 2-conductor jack is 1/4 the size of a standard phone jack and weighs less than 1/20 ounce. Can be wired for open or closed circuit operation. Internally keyed insulators interlock all parts and tip springs grip mating plugs positively. Mates with Switchcraft Micro-Plug® phone plugs. Jacks mount through .190 inch diameter hole in chassis/panels up to .093 inches thick. For insulated mounting, a .281 inch diameter hole and .050 inch maximum panel thickness applies. Order insulating washer separately. Number P1617 (flat phenolic washer) and Number P1618 (swedged fiber washer).

Electrical Specifications:

  • Contact Resistance: .10 ohms maximum (spring to plug).
  • Shunt Resistance: .10 ohms maximum.
  • Dielectric Withstanding Voltage: 250 V AC.
  • Shunt Tension: 60 grams minimum.

Material Specifications:

  • Mounting Bushing: Nickel-plated copper alloy.
  • Insulating Spacers: Rigid plastic.
  • Springs: Nickel-plated copper alloy. Integral contacts are plated.
  • Tip, Shunt and Sleeve Terminals: Silver-plated copper alloy.
  • Hardware: Supplied with one, P15331 nickel-plated copper alloy hex nut, and one S29571 nickel-plated copper alloy flat washer.
Add to Cart

We're sorry, only of this item available

Call a Sales Pro at for more information

Serving Contractors, Dealers, and Installers Since 1977

Contact: 1-800-828-0509 / Hours: Mon - Fri 7:00AM - 7:00PM