https://www.hkwujin.com
I. Product Overview
This power supply input terminal is made by high-conductivity phosphor bronze/tin brass strip, which is formed through continuous mold stamping and bending processes, forming an L-shaped three-dimensional bending structure. The board surface is pre-drilled with locating rivets for firm fixation within the plastic shell, preventing terminal slippage and rotation. One side features a forked elastic clamp that relies on the material's own elasticity to securely hold the external plug and pin, ensuring a tight and non-loosening connection. The other side has a straight end for welding wires or connecting to a circuit board, completing the external power supply to the inside. The finished product is fully gold-plated, isolating air and moisture to prevent oxidation of the copper material, ensuring stable contact resistance during long-term insertion and removal, without issues like overheating or poor contact. It is a core conductive hardware accessory for the input terminals of various small electrical equipment.
Thickness, bending shape, and elastic claw arrangement can be customized as required. All structural dimensions can be precisely replicated from customer drawings or physical samples in a 1:1 scale. New product samples are tested for holding elasticity and current-carrying performance. After all parameters meet the standards, mass production begins. The appearance accuracy, coating thickness, and elasticity indicators are fully inspected before shipment.
II. Core Highlights of Craftsmanship
- Continuous die stamping bending, stable structure and durable elasticity
The entire clamping claw, bending base, and positioning rivets are molded in one piece without welding joints. The bending area has undergone stress relief, maintaining strong resilience after tens of thousands of insertion and extraction cycles, and is not prone to fatigue or deformation. - Bifurcated elastic gripper design, high insertion fitment.
Multiple independent claw terminals synchronize packaging plug conductors, with a larger contact area, no single-side false connection under vibration conditions, and lower temperature rise during high current transmission. - Panel positioning rivet, assembly limit anti-loosening
The circular rivet point forms an invertedbuckle structure after being pressed into the plastic shell, providing both axial and circumferential double positioning, ensuring that the terminal will not shift or fall off during the equipment's jarring operation. - Global edge rounding + gold plating layer, dual assurance of safety and durability
All cutting and bending edges are ground smooth to prevent damage to cables and plastic shells; a complete gold plating covers all contact surfaces, offering excellent corrosion resistance and anti-oxidation properties.
Section 3: Optional Customized Raw Materials
- Phosphor Bronze (Recommended)
Balanced flexibility and conductivity, long fatigue-proof insertion/extraction life, universal preferred material for switches and power terminals. - H62 Brass
Outstanding cost-performance, good conductivity, suitable for low-frequency insertion and removal of household appliances. - Beryllium copper
High elasticity and durability, specially designed for precision charging equipment with frequent insertion and removal. - Cupronickel
Optimal conductivity, suitable for high power and high current power supply input terminals.
4. Optional Surface Treatment Processes
- Overall gold plating (actual shooting standard process): ultra-low contact resistance, long-lasting anti-oxidation, power adapter, precision electronics mainstream technology
- Gold plating on local contact points: Gold plated only on the plug-in area, reducing production costs, suitable for indoor dry household appliances.
- Bright Nickel Plating: Basic rust and oxidation resistance, internal conductive accessories for general electrical appliances
- Brass Natural: Internal low-frequency conductivity, no strict anti-rust requirements in operation conditions
Chapter 5: Applicable Application Scenarios
✅ Various power adapters, chargers AC input terminals
✅ Desktop mini switch, portable socket internal conductive plug-in spring
✅ Power input terminal for rice cookers, humidifiers, and other small household appliances
✅ Conductive parts for power input of Bluetooth earphones, wearable device charging case
✅ Low-voltage power input for small industrial control modules, detection instruments
Six, Core Product Advantages
- Full structure customizable: bending style, number of claws, size and thickness can be modified as required
- Combined clamp-joint + positioning fixation + current import three-in-one structure, simplified internal parts of the equipment
- Gold plated layer stabilizes to inhibit oxidation, with no decline in contact performance after long-term use.
- Multi-material options available, catering to various conditions such as weak signals, conventional currents, and high-power supply requirements.
- Support for small batch R&D sampling validation, ample bulk stamping capacity, and stable delivery time control
Section 7: Common Procurement Q&A
Q1: Can the clamping force of the plug holder be adjusted?
A: Yes, the clamping force can be precisely adjusted by changing the plate thickness, claw blade bending angle, and material hardness.
Q2: For high-power fast-charging power input terminals, what type of material coating is recommended?
A: Thicker beryllium copper base material with full area gold plating, high elasticity retention, minimum conductive loss, and lower temperature rise with high current.
Q3: Can the bending shape be changed to form U-shaped or Z-shaped non-standard terminals?
A: Supports mold stamping for any number of bends and irregular contour input terminals.
Q4: Can the gold plating thickness be customized according to the salt spray test standards?
A: Sure, the thickness of the gold plating can be adjusted according to the customer's salt spray test duration requirements.