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TINI-JAX miniature phone jack, open frame, shunt closed circuit
Switchcraft 42A is a mono Tini-Jax phone jack for panel mounting with solder termination. It is a 2-conductor shunted closed-circuit jack intended for 0.141 in miniature phone plugs.
Manufacturing · Audio connectors
42A
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Technical specifications
| Brand | Switchcraft |
|---|---|
| Category | Audio connectors |
| Industry | Manufacturing |
| Number of conductors | 2 |
| Connector type | Tini-Jax jack |
| Mounting type | Panel mount |
| Mounting feature | Open frame |
| Termination | Solder cup |
| Circuit type | Single closed shunted |
| Compatible plug diameter | 0.141 in |
| Mounting hole | 0.250 in diameter |
| Maximum panel thickness | 0.125 in |
| Contact resistance | 0.075 ohm max. |
| Insulation resistance | 5000 Mohm min. |
| Dielectric withstand voltage | 250 V |
| Current rating | 0.25 A |
| Contact voltage rating | 48 V DC |
| Mechanical life | 5000 cycles |
| Body material | Copper alloy |
| Body plating | Nickel |
| Terminal material | Tin-plated copper alloy |
| Spring material | Plated copper alloy |
| Included hardware | P11501 nickel-plated copper-alloy locknut and S17901 nickel-plated steel flat washer |
Summary datasheet — Switchcraft 42A
The Switchcraft 42A is a 2-conductor miniature phone jack in the Tini-Jax family. It is an open-frame panel-mount connector using a single closed shunted circuit.
The part is intended for compact signal connections and mates with miniature 0.141 in phone plugs having a compatible tip shape. It mounts through a 0.250 in panel hole in panels up to 0.125 in thick; the manufacturer lists the mounting hardware as included.
Key electrical ratings include 0.075 ohm maximum contact resistance, 5000 Mohm minimum insulation resistance, 250 V dielectric withstand, and a 0.25 A at 48 V DC contact rating. Specified materials include nickel-plated copper alloy for the body, rigid plastic insulating spacers, copper-alloy springs, and a tin-plated copper-alloy sleeve terminal.
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