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Product Detailed Parameters
- Description：CONN RCPT 4POS 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：4
- 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 M20-7870242 is a surface-mount PCB receptacle from the Harwin M20 series, designed for board-to-board interconnections. It features a dual-in-line configuration with two rows and four contacts, utilizing a 2.54 mm pitch. The connector employs female sockets with tin-plated terminals and a polyamide (PA6T) or nylon 6T insulation body. Rated for 3A current and 1000V voltage, it operates within a temperature range of -40°C to 105°C. The component supports bottom entry mating and is suitable for general purpose, industrial, and telecommunications applications.
Feature Summary
- Dual-in-line surface-mount design for compact board-to-board connections
- High voltage rating of 1000V with 3A current capacity per contact
- Polyamide (PA6T) or nylon 6T insulation material for thermal stability
- Tin-plated female socket terminals ensuring reliable signal transmission
Applications
- General purpose electronic assemblies
- Industrial control systems
- Telecommunications equipment
Procurement Notes
Verify the specific datasheet version for the M20-7870242 to confirm the exact termination plating specification, as sources indicate both tin and gold options exist within the M20 SMT family. Ensure the selected variant matches the required environmental conditions and mating height constraints. Cross-reference the part number with official Harwin documentation to avoid confusion with similar pin counts or row configurations in the M20 series.
Selection Notes
Select this component when a low-profile, surface-mount female connector is required for high-voltage applications up to 1000V. The 2.54 mm pitch allows compatibility with standard header pins. Consider the PA6T insulation material for improved heat resistance during soldering processes compared to standard nylons. Verify that the bottom-entry style aligns with the mechanical layout of the mating board assembly.
Part Context
This part belongs to the Harwin M20 series, a widely used line of connectors known for their reliability in harsh environments. The M20 series offers various configurations including through-hole and surface-mount options with different pin counts and row arrangements. The M20-7870242 specifically addresses the need for small-footprint, high-density interconnects in modern electronics manufacturing.
Replacement Considerations
M20-7870242-G
