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Product Detailed Parameters
- Description：CONN RCPT
- Series：M20
- Mfr：Harwin Inc.
- Package：Bulk
- Connector Type：Receptacle, Bottom or Top Entry
- Contact Type：Female Socket
- Style：Board to Board or Cable
- Number of Positions：38
- Number of Positions Loaded：All
- Pitch - Mating：0.100" (2.54mm)
- Number of Rows：2
- Row Spacing - Mating：0.100" (2.54mm)
- Mounting Type：Surface Mount
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：-
- Insulation Color：Black
- Insulation Height：0.295" (7.50mm)
- Contact Length - Post：-
- Operating Temperature：-40°C ~ 105°C
- Material Flammability Rating：UL94 V-0
- Contact Finish - Post：Tin
- Mated Stacking Heights：10.04mm, 11.63mm
- Ingress Protection：-
- Features：-
- Current Rating (Amps)：3A
- Voltage Rating：1000V
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Overview
The M20-7871942P is a 38-position rectangular receptacle connector from the Harwin M20 series. It features a dual in-line (DIL) configuration with two rows of 19 positions each, utilizing a 0.100-inch (2.54 mm) pin spacing. Designed for board-to-board or cable applications, this socket assembly incorporates surface-mount termination technology for secure PCB integration. The component utilizes gold-plated contacts to ensure reliable signal transmission and electrical conductivity within electronic assemblies.
Feature Summary
- Dual in-line receptacle design accommodating 38 contact positions
- Surface-mount termination for direct printed circuit board installation
- Gold-plated contact surfaces for enhanced conductivity and corrosion resistance
Applications
- Board-to-board interconnection systems
- Cable-to-board assembly connections
- General electronic equipment signal routing
Procurement Notes
Verify the specific suffix 'P' against the manufacturer's official datasheet to confirm exact plating specifications and RoHS compliance status. Ensure that the surface-mount footprint dimensions align precisely with the target PCB layout. Confirm availability through authorized distributors as lead times may vary based on production schedules.
Selection Notes
Select this component when a 38-position DIL interface with 2.54 mm pitch is required for surface-mount assembly. Evaluate mechanical stability requirements and mating cycle durability against application needs. Compare physical height constraints and thermal performance characteristics during soldering processes with system design specifications.
Part Context
This part belongs to the Harwin M20 series, a line of headers and wire housings designed for versatile connectivity solutions. The series offers various configurations including through-hole and surface-mount options. The M20-7871942P specifically addresses high-density connection needs within compact electronic form factors.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with mating pins before considering alternative sources.
