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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：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：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：1000V
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Overview
The M20-7870946P is a dual in-line (DIL) socket assembly from the Harwin M20 series, designed for surface mount technology (SMT) applications. It features a 19-position configuration arranged in two rows, providing a total of 19 contact points. The connector utilizes a 2.54 mm (0.1 inch) pitch and supports bottom entry mating. The contacts are finished with tin plating to ensure reliable electrical connections. This component is classified as a header/socket assembly intended for board-to-board or cable interconnections.
Feature Summary
- Dual in-line socket assembly design for high-density mounting
- Surface mount termination method for automated PCB assembly
- Bottom entry orientation facilitates specific routing requirements
Applications
- Board-to-board interconnection systems
- Cable-to-board wiring harnesses
- General electronic equipment requiring SMT headers
Procurement Notes
Verify current availability status as this part may be subject to end-of-life notifications or discontinuation. Confirm that the tin-plated variant meets environmental compliance standards required for your specific application. Ensure compatibility with existing pick-and-place equipment specifications for SMT components.
Selection Notes
Select this model when a low-profile, dual-row SMT socket with bottom entry is required. Compare against other M20 series variants to determine if different contact counts or plating options better suit the design. Consider the mechanical stability provided by the SMT footprint versus through-hole alternatives.
Part Context
This component belongs to the Harwin M20 series, which offers a range of rectangular connectors with 2.54 mm spacing. The series includes various configurations for both male pins and female sockets, supporting through-hole and surface mount technologies. The M20 series is widely used in industrial and consumer electronics for reliable signal and power transmission.
Replacement Considerations
Check for direct substitutes within the M20 series such as M20-7870946 or M20-7870946P. Verify that any replacement maintains the same 19-position count, DIL format, and SMT termination type. Ensure pinout and mechanical dimensions remain identical to avoid PCB redesign.
