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Product Detailed Parameters
- Description：CONN RCPT 18POS 0.1 GOLD PCB
- Series：M20
- Mfr：Harwin Inc.
- Package：Tube
- Connector Type：Receptacle, Bottom or Top Entry
- Contact Type：Female Socket
- Style：Board to Board or Cable
- Number of Positions：18
- Number of Positions Loaded：All
- Pitch - Mating：0.100" (2.54mm)
- Number of Rows：2
- Row Spacing - Mating：0.100" (2.54mm)
- Mounting Type：Through Hole
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：-
- Insulation Color：Black
- Insulation Height：0.197" (5.00mm)
- Contact Length - Post：0.118" (3.00mm)
- Operating Temperature：-40°C ~ 105°C
- Material Flammability Rating：UL94 V-0
- Contact Finish - Post：Tin
- Mated Stacking Heights：-
- Ingress Protection：-
- Features：-
- Current Rating (Amps)：3A
- Voltage Rating：1000V
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Overview
The M20-7850942 is a rectangular connector receptacle from the Harwin M20 series, designed for through-hole mounting. It features a double-row configuration with 18 positions and a 0.100-inch (2.54mm) pitch. The contacts are gold-plated to ensure reliable signal transmission. This component utilizes a jackscrew fixing mechanism for secure mating, distinguishing it from single-row variants within the same family that may employ different latching systems.
Feature Summary
- Double-row receptacle design with jackscrew securing mechanism
- Gold-plated female contacts for enhanced conductivity
- Through-hole termination for PCB integration
Applications
- Industrial control systems requiring secure board-to-board connections
- Telecommunications equipment interfaces
- General-purpose electronic assemblies needing high-reliability interconnects
Procurement Notes
Verify current availability status as this part number may be subject to obsolescence or discontinuation. Confirm that the specific jackscrew variant matches the mechanical requirements of the target assembly, as single-row alternatives exist within the M20 series. Ensure compatibility with mating headers before finalizing procurement decisions.
Selection Notes
Select this model when a double-row female connector with positive locking via jackscrews is required. It is distinct from single-row versions in the M20 series that use push-pull latches. Consider the physical height and stacking requirements associated with the jackscrew mechanism during the mechanical design phase.
Part Context
This component belongs to the Harwin M20 range, which offers 2.54mm pitch connectors for various industrial applications. The M20 series includes both single and double-row options with different securing methods. The M20-7850942 specifically addresses needs for robust, double-row interconnections where vibration resistance provided by jackscrews is critical.
Replacement Considerations
No direct public substitute part numbers are confirmed for this specific obsolete variant. Designers should evaluate other M20 series receptacles, ensuring they match the double-row count, jackscrew fixation method, and pin configuration if a replacement is necessary.
