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  • Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts
  • Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts
  • Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts
  • Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts
  • Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts
  • Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts
Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts

Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts

  • 1000 - 9999 Pieces
    $0.12
  • >= 10000 Pieces
    $0.09
View product details

Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Electrical Connectivity: Designed to provide reliable electrical connections for PCBs, AA batteries, and other electronic components through precision-engineered spring finger contacts.
  • Load-Bearing Compression: Capable of handling compression loads ranging from 7lb to 55lb, ensuring stability in mechanical and electrical applications where stress resistance is critical.

Key features

  • 1. Material Technology

    • With corrosion-resistant stainless steel and brass construction combined with durable powder coating, you can ensure long-lasting performance in harsh environments like marine or industrial settings. Outperforms non-coated models by resisting rust and wear for up to 20% longer lifespan<sup>[*Disclaimer: Based on internal testing; actual results may vary]</sup>.

  • 2. Interactive Design

    • With precision-engineered compression design, you can achieve secure, automatic electrical contact without manual adjustments. Eliminates the need for frequent calibration compared to standard spring connectors<sup>[*Disclaimer: Based on internal testing; actual results may vary]</sup>.

  • 3. Performance Parameters

    • With load capacities ranging up to 55lb, you can handle heavy-duty applications requiring robust compression force. 30% higher load tolerance than typical connectors in the same category<sup>[*Disclaimer: Based on internal testing; actual results may vary]</sup>.

  • 4. Scenario Solutions

    • Designed for industrial and mechanical applications, these connectors withstand extreme stress and corrosive conditions. Ideal for PCB assemblies and battery systems, outperforming plastic components in harsh environments<sup>[*Disclaimer: Based on internal testing; actual results may vary]</sup>.

  • 5. Certification Standards

    • With EPR certification from Germany, you can meet stringent environmental and packaging regulations. Ensures compliance with EU standards for sustainable production and disposal<sup>[*Disclaimer: Certification details subject to manufacturer confirmation]</sup>.

Product details

Factory Custom Spring Finger Contact Connector Precision Copper Brass Flat Pcb Electrical Aa Battery Leaf Spring Contacts

The Factory Custom Spring Finger Contact Connector is a precision-engineered component designed for reliable electrical connections in industrial and electronic applications. Crafted from high-quality materials like stainless steel, brass, and copper, these connectors offer corrosion resistance, durability, and customizable load capacities (7lb to 55lb). Certified to EPR Germany Packing standards, they ensure compliance with rigorous environmental and safety regulations.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless steel, aluminum, copper, brass, steelMarine environments (stainless steel), lightweight applications (aluminum), high conductivity (copper/brass)
Load Capacity7lb, 10lb, 20lb, 25lb, 55lbBattery holders (7lb), PCB assemblies (20-25lb), heavy-duty machinery (55lb)
Surface TreatmentPowder coatingEnhanced corrosion resistance in industrial settings
End TreatmentCoatingImproved wear resistance for frequent use
TypeCompressionSecure connections under dynamic pressure loads

Customization guide

Adjust load capacity (7lb–55lb) or material selection (e.g., copper for conductivity, stainless steel for corrosion resistance) to meet specific application needs. Customize surface treatments or dimensions for seamless integration into unique assemblies.

Get inspired

With precision-machined spring fingers and corrosion-resistant materials, these connectors ensure stable electrical contact in demanding environments. Ideal for PCB assemblies, battery interfaces, or machinery requiring reliable compression-based connections.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Load Capacity10lb25lb (+150% vs Base)55lb (+450% vs Base)
Material OptionsSteel, AluminumSteel, BrassStainless Steel
CertificationsEPR GermanyEPR + RoHSEPR + RoHS + ISO

Supplier's note

  1. Technical Breakthroughs:

    • The Pro Model’s 55lb load capacity exceeds industry benchmarks by 20%, enabling use in heavy-duty machinery.
    • Stainless steel construction ensures corrosion resistance in marine or chemical environments.
    • Powder coating enhances durability, reducing maintenance in abrasive settings.

  2. Optimal Version Selection:

    • Base Model: Ideal for lightweight applications (e.g., consumer electronics) where cost efficiency is prioritized.
    • Advanced Model: Suitable for industrial automation or automotive parts requiring enhanced conductivity (brass) or durability.
    • Pro Model: Designed for high-stress environments (e.g., mining, marine equipment) where extreme load and corrosion resistance are critical.

With the Pro Model’s triple-certified standards and 55lb capacity, you can safely handle corrosive chemicals while maintaining structural integrity. Pair its stainless steel material with powder coating for long-term reliability in harsh conditions.

Frequently asked questions

  • Which compression spring model suits applications requiring 25lb load capacity for industrial machinery?

  • How to clean and maintain stainless steel compression springs to prevent corrosion?

  • Stainless steel vs brass leaf spring contacts: Which is better for high-vibration environments?

  • Can I customize the dimensions and coating of PCB electrical leaf spring contacts?

  • Is the copper compression spring compliant with EPR regulations for German markets?

  • What’s the difference between compression springs and tension springs in electrical connectors?

  • Why choose powder coating for spring finger contacts over standard coating?

  • How to extend the lifespan of brass leaf spring contacts in high-temperature settings?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Stainless Steel Spring ConnectorsHarsh industrial environmentsMaterial: 304/316 Stainless Steel (ASTM A240 certified)▲ Corrosion resistance (withstands saltwater/marine exposure)Higher cost compared to aluminum/copper variants
Aluminum Compression SpringsLightweight machinery, automotive partsMaterial: 6061 Aluminum (ISO 6302 certified)▲ Lightweight design (35% lighter than steel)Lower load capacity (max 25lb) vs. stainless steel
High-Load Compression SpringsHeavy machinery, industrial equipmentLoad Capacity: 55lb (ISO 7804 certified)▲ 200% higher capacity (vs. base 20lb models)Bulky profile; requires robust mounting fixtures
Powder-Coated SpringsOutdoor/abrasive environmentsSurface Treatment: Polyester Powder Coating (ASTM D3359 adhesion grade 5B)▲ Scratch resistance (500+ abrasion cycles per MIL-STD-810)Adds 10% weight; coating may chip under extreme stress
EPR-Certified ComponentsEU-regulated manufacturingCompliance: EPR Germany Packing (recyclability >90% by DIN EN 50581)▲ Regulatory compliance (meets EU circular economy mandates)Requires additional documentation for non-EU markets
Custom Spring DesignsSpecialty applications (e.g., robotics)Customization: ±0.01mm tolerance (per ISO 286-2 IT6 grade)▲ Precision alignment (minimizes system misalignment errors)Longer lead times for non-standard specifications

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.