Electronic & Electrical Spring Solutions

Micro-precision springs, electrical contact springs, and gold/silver-plated components engineered for stable contact resistance and high insertion cycles.

Electronic Industry Spring Requirements

The electronics sector demands ultra-miniaturized form factors, milligram-level force repeatability, exceptional electrical conductivity, and oxidation resistance. TOSTA produces micro springs down to 0.05 mm wire diameter, offering specialty contact alloys (beryllium copper, phosphor bronze) and reel-to-reel gold, silver, or nickel plating to eliminate contact impedance and ensure flawless signal and power transmission.

Typical Applications

Micro Switch & Tactile Button Springs

Provides crisp tactile feedback, clear click-ratio consistency, and exceptional switching endurance exceeding 500,000 cycles.

FPC & Board-to-Board Connector Springs

High-conductivity micro contact springs maintaining stable, ultra-low milliohm contact resistance in compact electronic housings.

Relay & Contactor Armature Springs

Rapid return springs featuring tight force tolerances and high dynamic fatigue life for automotive and industrial relays.

Battery Terminal & Pogo Pin Springs

Gold-plated and silver-plated spring probes providing dependable electrical conduction, corrosion resistance, and high insertion life.

Smart Wearables & Antenna Springs

Micro helical and torsion springs for earbud charging cases, smartwatch hinges, and RF antenna grounding contacts.

Automotive Sensor & Micro-Motor Springs

Vibration-resistant micro springs for throttle position sensors (TPS), micro-brush assemblies, and brake pedal angle sensors.

Standard Specification Parameters

ParameterRange
Wire Diameter0.05mm - 3.0mm
Outer Diameter / Inner Diameter0.5mm - 50mm
Free Height / Length1mm - 150mm
Active Coils1 - 50 Coils
MaterialsBeryllium Copper C17200, Phosphor Bronze C5191, SUS304/SUS301, Gold/Silver Plated, etc.

Need Micro Precision Electronics Springs?

Submit your footprint drawings, contact resistance requirements, or sample targets. TOSTA engineers deliver prototypes in 1–3 business days.

Contact Engineering Team Mr. Wang +86 130-1246-1618