Quality Precision Compression Spring for Connectors with Sub-millimeter Accuracy, 10⁶ Cycle Reliability, and Stable Contact Force factory

Precision Compression Spring for Connectors with Sub-millimeter Accuracy, 10⁶ Cycle Reliability, and Stable Contact Force

Brand Name: Sunzo

Place of Origin: Sihong, China

Certification: CE/IATF16949/45001/14001/9001

Minimum Order Quantity: Negotiable

Price: Negotiable

Customized Wave Springs

Product Details

Wire Diameter Tolerance:	±0.001mm	Load Variation:	<±1%
Working Stroke:	0.5-5mm	Salt Spray Resistance:	1000-hour
Surface Roughness:	Ra <0.2μm	Electrical Conductivity:	98%
Frequency Range:	Up To 40GHz	Contact Resistance:	<50mΩ
Temperature Range:	-40°C To 125°C	Wire Diameter Range:	0.08-1.5mm
Diameter Monitoring Resolution:	±0.0005mm	Surface Defect Detection:	5μm
Elastic Decay:	<1%	Force Range:	0.1-50N
Force Accuracy:	±0.5%	Temperature Cycling Range:	-40°C To 85°C
Force Variation:	<2%	Initial Contact Resistance:	<50mΩ
Post-cycle Resistance:	<100mΩ	Insertion Loss:	<0.1dB
Highlight	stable contact helical spring , stable contact compression spring , 1.5mm helical spring

Product Description

Compression Spring for Precision Connectors: Micro-Precision Engineering for Stable Contact and 10⁶ Cycle Reliability

In the electronics industry, precision connectors demand compression springs that deliver sub-millimeter dimensional accuracy, consistent contact force, and long-term reliability—critical for applications like 5G communication modules, medical device interfaces, and automotive infotainment systems.

Advanced Material Selection

316L Stainless Steel: 1000-hour salt spray resistance (ASTM B117) for humid electronics environments, with Ra <0.2μm electropolished surface to prevent contact resistance buildup.

Beryllium Copper (C17200): 98% electrical conductivity for signal-carrying contacts, ideal for high-frequency connectors (up to 40GHz) with <50mΩ contact resistance after 10⁶ cycles.

Nitinol (NiTi): Shape memory alloy maintaining stable force output across -40°C to 125°C, suitable for automotive underhood connectors.

Precision Manufacturing Process

• Diamond-tipped micro-coiling with real-time laser diameter monitoring (±0.0005mm resolution) for wire diameters 0.08-1.5mm

• Automated optical inspection (AOI) detecting surface defects as small as 5μm, ensuring compliance with IPC-A-610 Class 3 standards

• Vacuum annealing at 380°C to eliminate residual stress, achieving <1% elastic decay over 10⁶ compression cycles

Rigorous Performance Validation

• Dynamic load testing (0.1-50N force range) with ±0.5% accuracy per ISO 17256

• Temperature cycling (-40°C to 85°C, 1000 cycles) with <2% force variation, simulating harsh operating conditions

• Contact resistance measurement: <50mΩ initial, <100mΩ after 10⁶ operations (per IEC 60669-1)

Field Application Performance

5G Base Station Connectors: Beryllium copper springs maintaining signal integrity with <0.1dB insertion loss over 10⁶ mating cycles

Medical Device Interfaces: 316L springs with ISO 10993-5 biocompatibility, supporting 2000+ autoclave cycles without performance degradation

Automotive Infotainment: Nitinol springs withstanding -40°C to 125°C thermal cycling, reducing connector failure rates by 92%

Quality Assurance: Backed by ISO 9001:2015 quality management and RoHS/REACH compliance. We offer custom design services, including finite element analysis of contact force distribution and material selection optimization for specific connector geometries.

Product Highlights

Micro-precision compression springs for connectors. ±0.001mm tolerance, 10⁶ cycle reliability. 316L, Beryllium Copper & Nitinol options. ISO 9001 certified with custom design services.

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Precision Compression Spring for Connectors with Sub-millimeter Accuracy, 10⁶ Cycle Reliability, and Stable Contact Force

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