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Through-Hole AAA Negative Contact (Spring Type) | 1:1 Replacement for Keystone 1075N

1:1 PCB Footprint Replacement for Keystone 1075N

Engineered to accommodate AAA (LR03) cell length variations, this negative (female) through-hole contact utilizes a highly resilient music wire spring. It provides a direct structural alternative to the Keystone 1075N, featuring a 4.45 mm PC pin tailored for automated wave soldering lines.

  • Mounting Architecture: PCB Through-Hole Mount (PC Pin)
  • Terminal Function: Negative Cathode (Helical Spring)
  • Pin Extension: 4.45 mm standard length
  • Base Plate Geometry: 6.35 mm Width x 10.03 mm Height
  • Core Materials: T=0.30 mm Stainless Steel Base & Ø0.50 mm Music Wire

Hardware Integration: THM Negative Contact

Maintaining unbroken electrical continuity despite battery movement requires a dynamically responsive terminal. The JIATEL JT-BC-AAA-1075N acts as an exact footprint replacement for the Keystone 1075N. By deploying a highly elastic helical spring, this component absorbs shock and compensates for primary cell dimensional tolerances, all while ensuring flawless integration into existing THM board layouts.

Engineering Policy Notice: To prevent misalignment during wave soldering, our strict NPI protocols restrict the distribution of unverified 3D models. For precise board-level structural validation, please route your PCB layout requirements through our Engineering Support Queue to receive official 2D footprint specifications within 12 hours.

Primary Industry Deployments

This spring-loaded contact is preferred by hardware teams developing devices subjected to handling impacts:

  • Portable Telemetry: Handheld data loggers where battery bounce must be eliminated.
  • Industrial Remotes: Crane and heavy machinery controllers requiring wave-soldered connections.
  • Emergency Lighting: Flashlights and beacon circuits demanding constant cathode tension.

Metallurgical & Dimensional Specs

  • Target Cross-Reference: Direct drop-in for Keystone 1075N
  • PCB Interface: 4.45 mm PC Pin (Through-Hole)
  • Base Material: T=0.30 mm Stainless Steel
  • Spring Mechanism: Ø0.50 mm Music Wire
  • Surface Treatment: Full Nickel Plating for solderability

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