RM342-047-221-2900

Headers, Receptacles, Female Sockets Overview

The RM342-047-221-2900 is a rectangular MIL-spec connector from the AirBorn R Series, manufactured by Molex. It functions as a board mount receptacle with a vertical orientation and plastic body. The component features three rows of contacts with a pitch of 1.91 mm (0.075 inches). It provides 47 positions using socket-type contacts plated with gold. Termination is achieved via through-hole mounting with a tail length of 0.140 inches. The housing material is Polyphenylene Sulfide (PPS), offering an insulation resistance of 5 GOhms. Electrical ratings include a current capacity of 3 A and a voltage rating of 750 V. Operating temperatures range from -65 C to +125 C.

Headers, Receptacles, Female Sockets Feature Summary

• Complies with MIL-DTL-55302 military specifications for rugged performance
• Utilizes Polyphenylene Sulfide (PPS) plastic housing for thermal stability
• Features fixed jackset design with pre-tinned tin/lead alloy termination

Headers, Receptacles, Female Sockets Applications

• Military electronic systems requiring MIL-DTL-55302 compliance
• Aerospace control and display units
• Board-to-board interconnects in harsh environments

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct contact plating, termination style, and jackset configuration. Confirm that the required RoHS status aligns with project constraints, as indicated by the 'N' designation in distributor listings. Cross-reference the 47-position count and 3-row layout with schematic requirements before procurement.

Headers, Receptacles, Female Sockets Selection Notes

Select this part when a vertical, board-mount receptacle with 47 circuits is required. Ensure the PCB layout accommodates the 1.91 mm pitch and 0.140-inch tail length. Verify that the operating environment stays within the -65 C to +125 C temperature range. Consider the fixed jackset design for mating compatibility with corresponding plugs.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the AirBorn R Series, a line of rectangular connectors designed for high-reliability applications. The series is known for its compact size and robust construction, suitable for space-constrained military and aerospace platforms. The RM342 prefix indicates a specific form factor within the broader R Series portfolio.

Headers, Receptacles, Female Sockets Replacement Considerations

Direct substitutes must match the MIL-DTL-55302 standard, 47-position count, 3-row configuration, and 1.91 mm pitch. Verify mechanical dimensions and electrical ratings for any cross-brand alternatives.