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Product Detailed Parameters
- Description：CONN RCPT 4POS 0.1 GOLD SMD R/A
- Series：M20
- Mfr：Harwin Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Connector Type：Receptacle
- Contact Type：Forked
- 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, Right Angle
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：0.59µin (0.015µm)
- Insulation Color：Black
- Insulation Height：0.098" (2.50mm)
- Contact Length - Post：-
- 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：-
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Overview
The M20-7910442R is a surface mount header connector from the Harwin M20 series. It features a single row with four positions and a 2.54 mm (0.100 inch) pitch. The connector utilizes gold-plated phosphor bronze contacts for reliable signal transmission. Designed for right-angle board-to-board applications, it offers a low profile suitable for space-constrained PCB layouts. The component supports automated pick-and-place assembly processes.
Feature Summary
- Surface mount construction enables efficient automated PCB assembly
- Right-angle orientation facilitates compact vertical interconnects
- Gold-plated contacts ensure corrosion resistance and stable conductivity
Applications
- Board-to-board interconnections in consumer electronics
- Compact industrial control modules requiring surface mounting
- Automotive electronic sub-assemblies with limited vertical space
Procurement Notes
Verify the specific suffix 'R' confirms the tape and reel packaging format required for your automated assembly line. Confirm that the right-angle orientation matches your PCB footprint design constraints. Ensure compatibility with standard reflow soldering profiles for surface mount components to maintain joint integrity.
Selection Notes
Select this part when a low-profile, right-angle surface mount header is required for four-channel connections. The 2.54 mm pitch ensures compatibility with standard mating connectors. Consider the gold plating for environments where oxidation resistance is critical compared to tin-plated alternatives.
Part Context
This component belongs to the M20 series, which provides versatile interconnect solutions for various electronic applications. The series includes both through-hole and surface mount options with different row counts and orientations. The M20-7910442R specifically addresses needs for small-footprint, high-reliability surface mount headers.
Replacement Considerations
Compatible substitutes within the M20 series include other surface mount headers with matching pitch and contact count. Verify mechanical dimensions and pin configuration before substitution. Alternative manufacturers may offer similar specifications but require footprint verification.
