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Product Detailed Parameters
- Description：CONN RCPT 3POS 0.1 TIN PCB R/A
- Series：M20
- Mfr：Harwin Inc.
- Package：Tube
- Connector Type：Receptacle
- Contact Type：Female Socket
- Style：Board to Board or Cable
- Number of Positions：3
- Number of Positions Loaded：All
- Pitch - Mating：0.100" (2.54mm)
- Number of Rows：1
- Row Spacing - Mating：-
- Mounting Type：Through Hole, Right Angle
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Finish - Mating：Tin
- Contact Finish Thickness - Mating：100.0µin (2.54µm)
- Insulation Color：Black
- Insulation Height：0.130" (3.30mm)
- Contact Length - Post：0.118" (3.00mm)
- 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：1000V
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Overview
The Harwin M20-7890346 is a single-row, right-angle PCB receptacle from the M20 series. It features a 2.54 mm pitch and three female contacts designed for through-hole mounting. The connector utilizes nickel-plated tin terminals on a bronze contact base, housed in a black thermoplastic body rated UL94V-0. It supports a current rating of 12A per contact and operates within a temperature range of -40°C to 105°C.
Feature Summary
- Right-angle configuration facilitates horizontal board-to-board connections with compact vertical clearance.
- Dual-beam contact design ensures reliable electrical engagement and high mating cycle durability.
- High-temperature thermoplastic housing provides structural stability and meets UL94V-0 flammability standards.
Applications
- Embedded PC motherboard interconnects
- Industrial monitoring system signal routing
- Consumer electronics internal circuit assembly
Procurement Notes
Verify the specific part number suffix against official Harwin documentation to confirm terminal plating and housing material specifications. Ensure procurement channels provide valid RoHS compliance certificates. Cross-reference the manufacturer's latest lifecycle status to confirm availability before finalizing orders.
Selection Notes
Select this component when a right-angle female interface is required for dense PCB layouts. The 2.54 mm pitch suits standard digital signaling applications. Verify that the 12A current rating aligns with the target circuit load requirements and that the through-hole termination method matches the manufacturing process.
Part Context
This component belongs to the Harwin M20 series, a widely adopted industrial standard connector family. The series offers various row counts and orientations, establishing itself as a common solution for embedded systems and large electronic assemblies requiring robust board-to-board connectivity.
Replacement Considerations
Compatible substitutes include other 2.54 mm pitch right-angle female headers from manufacturers such as Samtec or Molex, provided they match the 3-position count, through-hole termination, and 12A current rating specifications.
