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Product Detailed Parameters
- Description：CONN RCPT 4POS 0.1 TIN SMD
- Series：M20
- Mfr：Harwin Inc.
- Package：Tube
- Connector Type：Receptacle, Bottom or Top Entry
- Contact Type：Female Socket
- Style：Board to Board
- Number of Positions：4
- Number of Positions Loaded：All
- Pitch - Mating：0.100" (2.54mm)
- Number of Rows：1
- Row Spacing - Mating：-
- Mounting Type：Surface Mount
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Finish - Mating：Tin
- 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：-
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Overview
The Harwin M20-7860446 is a 4-position dual-entry surface mount socket assembly from the M20 series. It features a 2.54 mm (0.1 inch) pitch and utilizes tin-plated contacts for reliable connectivity. Designed for bottom or top entry, this component supports board-to-board and wire-to-board applications. The unit operates within a temperature range of -40°C to +105°C and carries UL94 V-0 flammability ratings for its insulation material.
Feature Summary
- Dual-entry design allows flexible connection access from either the bottom or top side of the housing.
- Surface mount termination facilitates automated PCB assembly processes.
- Tin-plated contact finish ensures effective conductivity and corrosion resistance.
Applications
- Board-to-board interconnections
- Wire-to-board connections
- General electronic circuit integration
Procurement Notes
Verify current availability status as the component is listed as obsolete in multiple distributor records. Confirm end-of-life timelines with the manufacturer before finalizing design-in decisions. Ensure that alternative sourcing channels are established if long-term supply stability is required for production runs.
Selection Notes
Select this part for low-profile surface mount requirements needing dual-access flexibility. Verify that the 3A current rating and 2.54 mm pitch align with system constraints. Consider the operating temperature limits and material compatibility during thermal analysis phases.
Part Context
This component belongs to the Harwin M20 series, which provides a comprehensive range of rectangular connectors. The series offers various configurations including single and double row headers and sockets in both through-hole and surface mount formats, catering to diverse industrial and commercial electronics needs.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Due to the obsolete status, engineers should evaluate equivalent components from other manufacturers or newer generations within the same product family that maintain compatible mechanical and electrical specifications.
