Jiatel Electronics - Custom Pogo Pin and Wire Harness Manufacturer

AA Negative Battery Contact (THM Leaf Spring) | Direct PCB Replacement for Keystone 590S

Direct PCB Footprint Replacement for Keystone 590S

We engineered this through-hole negative (female) leaf spring contact to support versatile board-level power layouts. Functioning as a 1:1 exact drop-in for the Keystone 590S, it configures seamlessly for both standard AA and 9V battery applications. The 3-pin THM architecture guarantees exceptional wave-soldering stability.

  • Mounting Architecture: Through-Hole Mount (THM)
  • Terminal Function: Negative Cathode (Folded Leaf Spring)
  • Cell Compatibility: AA Cells & 9V Configurations
  • PCB Interface: 3 x PC Pins (2.80 mm Length)
  • Dimensional Envelope: 10.62 mm Width x 12.51 mm Height
  • Core Metallurgy: T=0.30 mm Stainless Steel
  • Surface Plating: High-Density Nickel Plated
NPI Tooling & Layout Validation

Direct 3D CAD downloads are prohibited to prevent THM drill-hole clearance errors. Validate your PCB traces officially.

📐 1:1 PCB Layout & Dual Configuration

Optimizing automated assembly lines requires perfectly matched components. The JIATEL JT-BC-AA-KS590S provides an exact THM footprint replacement for the Keystone 590S. Utilizing an asymmetrical 3-pin layout (requiring 3-Ø1.40 mm drill holes), it prevents reverse insertion during wave soldering. When paired with our KS596 positive equivalent, this terminal supports a precise 52.58 mm mounting span for AA cells or a compact 12.70 mm span for 9V configurations, offering unparalleled layout flexibility.

Footprint Documentation:

Official [2D Footprint Specs] and [Technical Datasheets] are dispatched within 12 working hours by our engineering desk.

⚙️ Stainless Steel Fatigue Extremes

Folded leaf spring contacts are subjected to immense stress during battery installation and removal. We engineered the core structure from T=0.30 mm Stainless Steel to dramatically increase the fatigue limit compared to standard carbon steel. This ensures the negative cathode maintains its original deflection memory, guaranteeing constant terminal pressure against the battery over thousands of cycles.

  • Material Core: T=0.30 mm Stainless Steel
  • Surface Finish: High-Density Nickel Plate
  • Pin Length: 2.80 mm (Optimized for standard PCBs)
  • Overall Width: 10.62 mm

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