Custom Brass Slotted Retaining Ring

Custom Beryllium Bronze Crown Spring | Connector Lantern Contact Stamping Part

Short Description

Precision stamped beryllium bronze crown spring for electrical connector contacts. Excellent conductivity and stable spring performance. Custom sizes & plating available for high-current connector applications.

Full Product Description

Overview

This crown spring (lantern contact) is precision manufactured from beryllium bronze via stamping, slitting and forming. It acts as female contact inside electrical connectors, delivering multi-point contact with low contact resistance and reliable electrical connection. Custom dimensions, slot quantity and surface plating are available per your drawings or samples.

Materials

• Beryllium Bronze (BeCu) — standard grade for high elasticity & conductivity
• Optional: Copper alloy, phosphor bronze

Processing

• Precision stamping, laser slitting, bending & heat treatment
• Surface options: Gold plating, silver plating, tin plating, passivation
• Tolerance: ±0.03~0.10mm

Key Features

✅ Low contact resistance, stable high-current transmission ✅ Superior spring performance, long cycle life ✅ Multi-finger contact structure, shock & vibration resistant ✅ Custom ID, OD, height and number of slits ✅ Heat treatment to maintain consistent spring force

Applications

High-current connectors, aerospace, medical equipment, automotive connectors, test probes, energy storage & power transmission terminals.

Our Service

1. DFM review from your drawings or samples
2. Prototype sampling for validation
3. Custom size, slot pattern and plating
4. Full dimensional inspection before shipment
5. PPAP documentation available upon request