Product Overview
Microtech DP-3S-1 D-Series 3-Socket Miniature Cable Connector
Condition
Unused new old stock (NOS). Components are unassembled and include the gold-plated contact body assembly with white insulator, threaded coupling ring, red flexible strain relief boot, and original insert label. Insert card markings legible: Microtech, inc. DP-3S-1, patent numbers 3601 766 and 3611 273. Sold individually.
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Product Overview
Microtech DP-3S-1 is a miniature circular straight cable plug from the D-Series line, designed for high-density signal wiring where space and weight are critical. Built with female socket contacts in a 3-position layout, this connector mates using a threaded 1/4-28 NF coupling ring to maintain positive mechanical lock in demanding instrumentation environments.
Key Features
- Connector style: Straight miniature circular cable-mount plug
- Series: Microtech D-Series
- Contact count and gender: 3 female socket contacts
- Coupling mechanism: Threaded 1/4-28 NF screw-on coupling ring
- Wire accommodation: 29 AWG to 30 AWG wire conductors; cable jacket outer diameter up to 0.105 inches
- Shell and contact finish: Gold-plated brass shell and gold-plated copper alloy contacts
- Included hardware: Plug contact body with insulator, threaded coupling ring, and red flexible strain relief boot
Applications
- Wiring low-noise sensor leads and transducer cables in compact instrumentation enclosures.
- Terminating miniature multiconductor lines in aerospace, medical probe, and test bench gear.
- Building custom wiring harnesses for high-density audio, miniature robotics, or specialty radio projects.
Frequently Asked Questions
What wire gauge is recommended for terminating this connector?
Microtech D-Series 3-contact plugs are designed for 29 AWG to 30 AWG wire conductors, with a maximum cable jacket outer diameter of 0.105 inches.
What mating thread does the coupling ring use?
The threaded coupling ring utilizes 1/4-28 NF threads to mate with compatible Microtech D-Series receptacles.
Why buy this specific Microtech connector assembly?
This provides a complete, unused DP-3S-1 assembly including the contact body, threaded coupling ring, flexible boot, and original identification card. It delivers the exact verified piece needed for maintenance or precision wiring without hunting through mismatched surplus lots or incomplete hardware.
When a subminiature harness calls for genuine 1/4-28 threads and gold-plated pin work, modern oversized plugs just get in the way. Thread it down, slip the red boot in place, and keep your compact signal run intact.
