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Product Detailed Parameters
- Description：CONN RCPT 56POS 0.1 GOLD PCB R/A
- Series：M20
- Mfr：Harwin Inc.
- Package：Tube
- Connector Type：Receptacle
- Contact Type：Female Socket
- Style：Board to Board or Cable
- Number of Positions：56
- 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, Right Angle
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：-
- Insulation Color：Black
- Insulation Height：0.232" (5.90mm)
- 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 M20-7882842 is a dual-in-line (DIL) receptacle connector from the Harwin M20 series, designed for surface mount applications. It features 56 positions arranged in two rows with a 0.100 inch (2.54 mm) pitch. The connector utilizes gold-plated contacts for mating and tin-plated tails for soldering to the PCB. It is rated for 3A current per contact and operates within a temperature range of -40°C to +105°C.
Feature Summary
- Dual-row DIL socket assembly providing high-density interconnect capability
- Gold-plated female contacts ensure reliable signal transmission
- Tin-plated tail design facilitates standard wave or reflow soldering processes
Applications
- Board-to-board interconnection systems
- High-density electronic assemblies requiring SMT integration
- Industrial control modules
- Communication equipment backplanes
Procurement Notes
Verify the specific suffix 'P' or absence thereof against the manufacturer's latest datasheet, as packaging variations may exist. Confirm RoHS compliance status and material declarations prior to final procurement. Ensure the selected variant matches the required stacking height and mechanical retention specifications for the target application environment.
Selection Notes
Select this component when a high-pin-count, dual-row surface mount receptacle is required. The 2.54mm pitch ensures compatibility with standard male header counterparts. Consider the thermal profile requirements for the tin-plated tails during assembly. Verify that the board space accommodates the dual-row footprint and that the mating connector aligns correctly with the 56-position layout.
Part Context
This part belongs to the Harwin M20 series, a family of rectangular connectors known for their robust construction and suitability for harsh environments. The series offers various configurations including through-hole and surface mount options. The M20-7882842 specifically addresses the need for high-density connections in compact electronic designs using standard industrial spacing.
Replacement Considerations
Direct substitutes are limited due to the specific 56-position DIL configuration. Compatible alternatives must match the 2.54mm pitch, dual-row layout, and surface mount termination style. Verify mechanical dimensions and electrical ratings before substitution.
