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Home Products Connectors, Interconnects Rectangular Connectors - Headers, Receptacles, Female Sockets M20-7910542R
M20-7910542R
Part Number M20-7910542R
Manufacturer Harwin Inc.
Description CONN RCPT 5POS 0.1 GOLD SMD R/A
Quantity Available 38334 pcs new original in stock.
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Datasheets 1.M20-7910542R.pdf2.M20-7910542R.pdf3.M20-7910542R.pdf
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Technical Information of M20-7910542R
Manufacturer Part Number M20-7910542R Category Connectors, Interconnects
Manufacturer Harwin Description CONN RCPT 5POS 0.1 GOLD SMD R/A
Package / Case Tape & Reel (TR) Quantity Available 38334 pcs
Voltage Rating - Termination Solder
Style Board to Board Series M20
Row Spacing - Mating - Pitch - Mating 0.100' (2.54mm)
Package Tape & Reel (TR) Operating Temperature -40°C ~ 105°C
Number of Rows 1 Number of Positions Loaded All
Number of Positions 5 Mounting Type Surface Mount, Right Angle
Material Flammability Rating UL94 V-0 Mated Stacking Heights -
Insulation Material Polyamide (PA9T), Nylon 9T, Glass Filled Insulation Height 0.098' (2.50mm)
Insulation Color Black Ingress Protection -
Features - Fastening Type Push-Pull
Current Rating (Amps) 3A Contact Type Forked
Contact Shape Square Contact Material Phosphor Bronze
Contact Length - Post - Contact Finish Thickness - Post 80.0µin (2.03µm)
Contact Finish Thickness - Mating 0.59µin (0.015µm) Contact Finish - Post Tin
Contact Finish - Mating Gold Connector Type Receptacle
Base Product Number M20-791 Applications General Purpose
M20-7910542R are New and Original in Stock, Find M20-7910542R electronics components stock, Datasheet, Inventory and Price at Ariat-Tech.com Online, Order M20-7910542R Harwin Inc. with warrantied and confidence from Ariat Technology Limitd. Ship via DHL/FedEx/UPS. Payment with Wire Transfer or PayPal is OK.
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Frequently Asked Questions

  • How does the right-angle mounting of the M20-7910542R connector facilitate compact PCB layouts in space-constrained designs? The M20-7910542R connector's right-angle surface mount design allows for optimal utilization of board real estate by directing the connector outward from the PCB edge, reducing the need for vertical clearance and enabling tighter spacing in multi-layer assemblies compared to through-hole alternatives.
  • What performance characteristics of the M20-7910542R connector support its 3A current rating in general-purpose board-to-board applications? The M20-7910542R connector features phosphor bronze contacts that can handle 3A without excessive heating in typical operating conditions, making it appropriate for low-power signal and power distribution where the total current per pin stays below this limit, but derating may be necessary for continuous high-current use.
  • In what way does the phosphor bronze contact material in the M20-7910542R contribute to reliable mating in environments subject to mechanical stress? Phosphor bronze's resilience in the M20-7910542R helps maintain contact integrity during repeated insertions, with the square contact shape providing good retention against disengagement forces common in handheld or portable devices.
  • Explain the impact of the 0.100" (2.54mm) pitch on the M20-7910542R when selecting connectors for multi-row board assemblies? The 0.100" (2.54mm) pitch in the M20-7910542R enables dense packing with standard 0.1" headers, allowing up to 5 positions in a compact footprint while maintaining alignment tolerances critical for automated pick-and-place assembly.
  • Why is the gold contact finish on the M20-7910542R recommended for applications involving potential moisture exposure? The 0.59µin gold plating on the M20-7910542R mating surfaces offers superior oxidation resistance, preserving low-contact resistance over time in humid conditions that might otherwise degrade tin or bare copper finishes.
  • How does the push-pull fastening mechanism of the M20-7910542R affect the assembly and disassembly process in automated manufacturing? The push-pull action in the M20-7910542R simplifies the mating process by allowing one-handed engagement without additional latches, which can reduce cycle times in high-volume production lines while ensuring consistent force application.
  • What operating temperature considerations should be considered for the M20-7910542R in environments ranging from -40°C to 105°C? The M20-7910542R's operating temperature range of -40°C to 105°C accommodates typical industrial and consumer electronics but requires verification that solder joints and contact materials remain stable at the extremes to avoid reliability issues in extended exposure.
  • Compare the right-angle configuration of the M20-7910542R to straight-through alternatives in terms of clearance requirements and layout flexibility? The right-angle setup of the M20-7910542R minimizes vertical board space at the expense of horizontal footprint, offering better compatibility with edge-mounted PCBs where straight connectors might require additional standoffs or clearances.
  • In what scenarios would the M20-7910542R be preferred over higher-position-count connectors from the same series for minimizing footprint? When the application demands only 5 positions, the M20-7910542R provides a smaller overall footprint than multi-position variants, reducing material costs and simplifying alignment in dense board designs without sacrificing the 2.54mm pitch compatibility.
  • How does the insulation height of 0.098" (2.50mm) in the M20-7910542R influence board stacking and component placement? The 0.098" (2.50mm) insulation height of the M20-7910542R allows for low-profile stacking of boards above the connector, minimizing total assembly height while providing adequate clearance for components routed below the mating plane.
  • Discuss the compatibility of the M20-7910542R with standard 2.54mm headers in terms of mechanical and electrical alignment? The M20-7910542R is fully compatible with industry-standard 2.54mm headers due to its matching pitch and forked contacts, ensuring reliable mechanical fit and electrical continuity across a wide range of mating connector styles.
  • What reliability factors, such as the tin post finish, should engineers evaluate when integrating the M20-7910542R into long-term product lifecycles? The tin plating on the M20-7910542R posts, at 80.0µin thickness, provides a cost-effective solderable surface that maintains solderability for extended periods, but engineers should consider potential tin whisker growth in sensitive high-reliability applications over the connector's lifecycle.
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