J55302 High-Density 2.54 mm PCB Connectors, 90 to 240 Contacts

2.54 mm grid · up to 240 contacts · guide-pin polarized

J55302 connectors join printed circuit boards on a 2.54 mm grid. The /129 plug and /130 receptacle carry 90 to 240 contacts with guide pins for polarization; the /5 plugs carry 9 to 77 contacts. They follow GJB 1438 and the MIL-DTL-55302 system, with straight and right-angle dip-solder tails.

Pitch
2.54 mm
Contacts
9 to 240
Temperature
−65 to +125 °C
Mating cycles
500

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Key features

  • 2.54 mm grid, straight or right-angle dip-solder
  • /129 plug and /130 receptacle: 90, 105, 120 … 210, 240 contacts
  • Guide pins for polarization
  • /5 plugs: 9, 17, 25, 33, 41, 77 contacts
  • AC 1000 V withstanding voltage

Specifications

Electrical
ParameterValueCondition
Dielectric withstanding voltage1000 VAC, 1 min
Insulation resistance≥ 5000 MΩ
Mechanical and environmental
ParameterValueCondition
Operating temperature−65 to +125 °C
Vibration10–2000 Hz, 147 m/s²
Shock980 m/s²
Durability500 mating cycles

GJB 1438 / MIL-DTL-55302 (type) — Printed-circuit connectors and accessories.

Values not listed above — for example vibration level, leak rate or other environmental tests — can be tested to your requirements, including third-party testing. Specifications are subject to change; contact us for the current datasheet.

Typical applications

  • Rugged electronic control units
  • Rail and industrial electronics
  • Test and measurement equipment
  • Communication equipment

Frequently asked questions

What does J55302/129-150 mean?

A /129 series plug with 150 contacts. The mating receptacle is J55302/130-150.

From sample to production

  1. Send your requirement

    Part number, drawing, pin-out or a short description of your application.

  2. Configuration and quote

    Our engineers match the configuration and reply with a drawing and quotation.

  3. Samples

    Samples are made to your order. Third-party testing to your specification is available on request.

  4. Your approval

    You test the samples in your own equipment and approve them.

  5. Series production

    Production follows the approved sample configuration.

Need a quote or a drawing?

Send your part number, pin-out or drawing. An engineer will reply by email.

Request a quote

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