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Product Detailed Parameters
- Description：CONN RCPT 72POS 0.1 GOLD SMD
- 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：72
- 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 M20-7873642 is a Harwin M20 series board connector socket assembly featuring 72 contacts arranged in two rows. It utilizes a 2.54 mm (0.1 inch) pitch and is designed for surface mount terminal installation with locking features. The insulator is black, and the component is lead-free compliant. Contact material is phosphor bronze with rectangular square pin-skt style. The contact finish is gold over nickel for mating surfaces, while the termination finish is tin with a nickel barrier.
Feature Summary
- Dual-row female socket configuration for board-to-board or cable stacking applications
- Surface mount termination with integrated locking mechanism for secure PCB attachment
- Gold over nickel contact plating to ensure reliable signal transmission
Applications
- High-density electronic interconnect systems
- Industrial control modules requiring robust surface mount connections
- Telecommunications equipment backplanes
Procurement Notes
Verify RoHS compliance status and lead-free certification through official manufacturer documentation before integration. Confirm that the specific tin-with-nickel-barrier termination finish meets your soldering process requirements. Ensure design compatibility with the 2.54 mm pitch grid and locking mechanical constraints during PCB layout.
Selection Notes
Select this component when a high-contact-count dual-row socket is required for surface mount technology. The phosphor bronze construction offers necessary spring properties for repeated mating cycles. Verify that the black insulator material meets UL94 V-0 flammability ratings for your specific application environment.
Part Context
This part belongs to the Harwin M20 series, which provides versatile interconnect solutions for various industrial and commercial electronics. The M20 series is characterized by its standardized 2.54 mm pitch, offering compatibility with standard header pins. This specific socket variant supports high-density layouts within compact form factors.
Replacement Considerations
M20-7873642 P
