Switchcraft 42A

Miniature Phone Jack .141"

OUR PART #: 42A Write the First Review.

Tini-Jax 2-conductor phone jacks, (for limited space connecting...
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List Price: $4.45
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Tini-Jax 2-conductor phone jacks, (for limited space connecting, mate with miniature phone plugs having .141 inch diameter fingers and compatible tip shape) are 1/3 the size of Littel-Jax® and weigh less than 1/8 ounce. Notched insulators interlock internal parts. Unique tip spring shape mates with Switchcraft Tini-Plug® phone plugs. Mounting hole: .250 inch diameter in panels up to .125 inches thick (mounting hardware supplied). For insulated mount, order two washers separately, Number S1564 (swedged fiber washer .312 inch diameter mounting hole) and number S2207 (flat phenolic washer).

4A2 model is  Shunted (closed circuit).


  • Life: 5,000 insertion/withdrawal cycles, minimum.
  • Contact Resistance: .075 ohms maximum.
  • Insulation Resistance: 5,000 M(omega) minimum.
  • Dielectric Withstanding Voltage: 250 V AC maximum.
  • Contact Rating: .25A, 48 V DC.
  • Mounting Bushing: Nickel-plated copper alloy.
  • Insulating Spacers: Rigid plastic.
  • Springs: Special copper alloy.
  • Sleeve Terminal: Tin-plated copper alloy.
  • Hardware: Supplied with one, Number P1150 nickel-plated copper alloy locknut, and one, Number S17901 nickel-plated steel flat washer.


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