TRW 250-22-30-170 22-Pin 0.156" Card Edge Connector Solder Eyelet NOS

TRW Cinch 50-22A-20 22-Contact 0.156" Pitch Edgeboard Receptacle

Condition

Unused new old stock (NOS). Stamped markings: H 50-22A-20, TRW 250-22-30-170, and CINCH PAT. NO 3274532. Contact fingers and solder eyelets are clean with no wire wrap, solder residue, or terminal distortion. Sold each.

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Product Overview

Manufactured by TRW / Cinch, part number 250-22-30-170 (also designated 50-22A-20) is a 22-position edge card receptacle engineered for 0.156-inch contact pitch backplanes and daughtercards. It features dual-readout gold-plated contact fingers and rear solder eyelet terminals designed for reliable point-to-point chassis wiring.

Key Features

• 22 contact positions numbered 1 through 22 on one side and lettered A through Z on the reverse
• 0.156 in (3.96 mm) center-to-center contact pitch
• Gold-plated dual-readout spring contacts
• Solder eyelet termination tails for manual wire leads
• Flanged green dielectric housing with 0.128-inch mounting clearance holes for #4 hardware
• Rated for up to 5 A continuous current

Applications

• Restoring legacy industrial machine controllers and vintage computer backplanes
• Constructing custom bench test fixtures and daughtercard breakout jigs
• Repairing classic arcade boards, modular synthesizers, and vintage audio chassis

Frequently Asked Questions

What printed circuit board thickness does this connector accept?

It is designed to mate with standard 1/16-inch (0.062 in / 1.57 mm) thick printed circuit boards.

Is part number 250-22-30-170 directly interchangeable with Cinch 50-22A-20?

Yes. Both designations share the identical 22-position physical footprint, 0.156-inch contact spacing, mounting hole locations, and solder eyelet layout.

Green molded dielectric and gold contacts built for backplanes wired by hand to last decades. Solder your leads to the eyelets and get that legacy chassis running again.