501189-2010 connector Datasheet: Full Specs & Pinout

2026-02-01 33

Compact 1.00 mm‑pitch, 20‑way receptacle housings account for a large share of signal interconnects in compact consumer and industrial electronics due to their space efficiency and reliable crimp terminations. This article delivers a complete breakdown of the 501189-2010 connector — full specs, manufacturer datasheet guidance, and a clear pinout for wiring and troubleshooting.

Quick Overview & Part Identification

Key Specs Snapshot

  • One-line summary: Pitch 1.00 mm; Positions 20; Rows 2; Housing: receptacle; Termination: crimp; Contact gender: socket/female.
  • Critical Check: Confirm full part number, pitch, row count, and mating orientation before PCB footprint design.

Typical Applications

Ideal for small form‑factor PCB interconnects and sensor harnesses. This form factor is chosen for high-density space savings where current per pin is modest, reducing assembly time and cost.

501189-2010 connector Datasheet: Full Specs & Pinout

Full Electrical & Mechanical Specifications

Category Parameter Specification Details
Electrical Current & Voltage Low-voltage signaling (Refer to datasheet for specific Ampere rating per pin)
Resistance Low contact resistance (measured in milliohms); High insulation resistance
Mechanical Pitch & Configuration 1.00 mm Pitch, 20 Positions, Dual Row (2x10)
Mounting Style Crimp Termination, Receptacle Housing
Durability Standard mating cycles as per manufacturer reliability tests

Performance Characteristics (Relative Scale)

Space Efficiency 95%
Signal Density 90%

Pinout & Wiring Diagram

Pin Numbering Convention

Consistent pin numbering and row labeling (A/B) is essential. Datasheet mechanical drawings show top/bottom views for pins 1–20. Always provide both schematic and physical views to avoid reversed connections.

Wiring Best Practices

Use correct crimp flange orientation and confirm visual polarization features before integration. Proper strain relief extends the lifecycle of the 1.00 mm pitch assembly.

Assembly & Crimp Guidance

Select terminals matching the housing series and conductor AWG. Perform insertion checks (audible click) and verify retention force. Route harnesses away from sharp edges to prevent insulation damage.

Testing & Reliability

Test sequences should include contact resistance after cycling, vibration, and thermal shock. Document RoHS/halogen status and operating temperature ranges to ensure regulatory compliance.

Use Cases & Troubleshooting

Troubleshooting Checklist
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Poor Crimping: Check for loose wires or incorrect AWG matching.
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Miswired Pins: Verify pin 1 location on both header and receptacle.
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Intermittent Signal: Often caused by lack of strain relief or excessive vibration.

Summary & Next Steps

The 501189-2010 connector combines 1.00 mm pitch, 20 positions, and a compact 2‑row receptacle ideal for low‑voltage signal harnesses. Consult the manufacturer datasheet for definitive limits.

  • Confirm mechanical identifiers (1.00 mm pitch, 2-row) to prevent layout errors.
  • Verify electrical limits (contact resistance, rated current) for safety margins.
  • Apply assembly checks (audible click, retention test) to ensure reliability.

Frequently Asked Questions

What is the pinout for the 501189-2010 connector?
Pinout mapping follows a 2‑row, 20‑pin convention with pins numbered 1–10 on row A and 11–20 on row B (or vice versa); consult the manufacturer datasheet’s top and mating views for exact numbering to avoid ambiguity.
Where can I find the official datasheet for the 501189-2010 connector?
Request the manufacturer datasheet from your OEM documentation portal or supplier platform. It contains full electrical/mechanical specs, material tables, and reliability test criteria essential for design compliance.
How should I test assemblies that use the 501189-2010 connector?
Perform continuity and contact resistance checks, mating/unmating endurance cycles, and vibration/thermal tests as indicated in the datasheet. Use stated acceptance criteria to pass or fail production batches.