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Product Detailed Parameters
- Description：CONN RCPT 20POS 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
- Number of Positions：20
- 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：0.59µin (0.015µm)
- Insulation Color：Black
- Insulation Height：0.140" (3.56mm)
- Contact Length - Post：-
- Operating Temperature：-40°C ~ 105°C
- Material Flammability Rating：UL94 V-0
- Contact Finish - Post：Gold
- Mated Stacking Heights：-
- Ingress Protection：-
- Features：Board Guide
- Current Rating (Amps)：3A
- Voltage Rating：-
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Overview
The M20-7811045 is a 20-position receptacle connector from the Harwin M20 series, designed for surface mount technology. It features a 2.54 mm (0.100 inch) pitch and supports both bottom and top entry configurations. The connector utilizes gold-plated contacts to ensure reliable electrical performance in board-to-board applications.
Feature Summary
- Supports flexible assembly through dual entry options for both bottom and top mating access.
- Utilizes gold-plated contact surfaces to maintain signal integrity and corrosion resistance.
- Designed for high-density PCB layouts with a standard 2.54 mm spacing between positions.
Applications
- Board-to-board interconnections in compact electronic modules
- Surface mount assemblies requiring flexible entry orientation
- High-density circuit boards with space constraints
Procurement Notes
Verify the specific entry configuration required for your design, as this part supports both bottom and top entry. Confirm that the surface mount footprint matches your PCB layout guidelines. Ensure compatibility with the mating header's contact length and insulation height to guarantee proper mechanical engagement and electrical connection stability during operation.
Selection Notes
Choose this component when a 20-position surface mount header is needed with versatile entry options. It is suitable for designs where either bottom or top mating access is preferred without changing the base part number. Consider the gold plating for environments requiring enhanced contact reliability compared to tin finishes.
Part Context
This component belongs to the M20 series of industrial standard connectors by Harwin. The series is known for its compact design and versatility in both through-hole and surface mount variants. The M20-7811045 specifically addresses the need for flexible entry orientations in surface mount applications while maintaining the robust performance characteristics associated with the broader M20 family.
Replacement Considerations
No direct public substitute part numbers are confirmed for this specific model. When replacing, verify that any alternative offers identical 2.54 mm pitch, 20 positions, surface mount termination, and compatible entry orientation support to ensure mechanical and electrical interchangeability.
