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EMI conductive spring clips are essential components for EMC (Electromagnetic Compatibility) remediation in electronic products. Extensive R&D testing reveals that when electronic products exceed electromagnetic radiation limits, the root cause is often not the shielding cover itself, but the inability to maintain continuous, low-impedance conductivity between the shielding housing, the motherboard, and the chassis; gaps in the housing allow electromagnetic waves to leak out.
Qiyiguo Technology’s SMD conductive grounding clips are manufactured using precision metal stamping and high-elasticity alloy materials. They utilize stable spring force to establish a reliable, continuous grounding path, eliminating potential differences between components and suppressing high-frequency harmonic leakage. By rapidly enhancing the device's overall shielding performance, they serve as the preferred component for EMC remediation in RF modules, automotive electronic control units (ECUs), and industrial control equipment.
Conventional assembly methods often result in insufficient contact between the shielding cover and the motherboard, leading to intermittent connections or grounding loss under vibration. EMI conductive spring clips maintain tight, long-term contact through consistent spring force, eliminating intermittent grounding faults.
Segmented assembly of device housings often creates grounding discontinuities, forming pathways for electromagnetic leakage. These SMD conductive clips establish a continuous conductive path, ensuring integrated electrical connectivity between the housing and the PCB motherboard.
High-frequency modules—such as WiFi, Bluetooth, and millimeter-wave radar—are prone to radiating interfering signals. A continuous, low-impedance grounding structure effectively dissipates stray electromagnetic waves, ensuring successful EMC compliance testing.
Mainstream models utilize imported C17200 beryllium copper base material. Strengthened through heat treatment, the clips retain stable elasticity even after undergoing one million compression cycles. The components maintain reliable connections without intermittent contact or grounding failures, even under conditions of prolonged vibration and thermal cycling (high/low-temperature fluctuations). They are ideally suited for long-term operation in automotive electronics and outdoor smart devices. Base materials include phosphor bronze and stainless steel, catering to various budget and elasticity requirements.
The EMI Conductive Spring Clips support various surface finishes, including gold, nickel, tin, and matte tin plating. Gold-plated versions offer lower contact resistance and superior oxidation resistance, making them suitable for high-frequency, precision products such as WiFi 6/7, Bluetooth, and mmWave radar modules. Nickel and tin plating options provide cost-effective solutions for consumer electronics and industrial control equipment.
All spring clips are formed via integrated stamping using progressive dies, ensuring dimensional tolerances are strictly controlled within ±0.03mm and maintaining excellent surface flatness. During mass SMT production, this design effectively prevents common issues such as component "flying," misalignment, and tombstoning, ensuring seamless compatibility with fully automated, high-speed pick-and-place machines.
A variety of EMI Conductive Spring Clip structures are readily available, including Z-type, tower-type, side-contact, top-contact, single-point grounding, and multi-point grounding configurations. They flexibly adapt to different spatial heights and PCB trace layouts, eliminating the need for major circuit board redesigns and reducing revision costs for customers.
Two automated packaging formats are supported: carrier tape (reeling) and blister trays. These allow for direct machine placement, eliminating manual insertion steps, reducing assembly man-hours, and helping factories control overall manufacturing costs during mass production.
Recommended Applications: RF modules, automotive T-Boxes, ADAS systems, and precision medical electronics. Advantages: Durable elasticity, extremely low contact resistance, and oxidation resistance; ensures stable grounding performance in complex, long-term operating environments.
Recommended Applications: Industrial control motherboards and equipment requiring continuous operation and sustained temperature resistance. Advantages: Outstanding temperature resistance and long elastic lifespan; balances quality with procurement costs.
Recommended Applications: Smart home devices and high-volume consumer electronics projects. Advantages: High cost-performance ratio; meets standard EMC requirements; suitable for large-scale mass production orders.
Recommended Applications: Equipment structures requiring high spring force and high-strength compression assembly. Advantages: High mechanical strength and resistance to deformation; suitable for structures with significant assembly gap variations.
EMI conductive spring clips are widely used in various electronic products. Proven application scenarios include: WiFi 6/WiFi 7 wireless modules, Bluetooth communication modules, automotive electronic control units (ECUs), wearable devices, camera motherboards, industrial sensors, network gateways, router motherboards, and various testing instruments.
Engineers can rapidly develop tooling based on customer-provided drawings or physical samples. Custom development is available for ultra-miniature clips, ultra-thin clips, and specialized structures such as side-mount EMI conductive spring clips.
Supports small-batch sample orders to facilitate early-stage prototype testing and preliminary EMC troubleshooting; ensures stable, high-volume supply for mass production, thereby shortening the customer's R&D cycle.
Provides structural selection advice during the pre-sales phase; recommends suitable materials, plating, and clip structures based on PCB space, operating frequency, and usage environment; assists customers in passing EMC tests on the first attempt, reducing costs associated with repeated modifications.
Tooling design, stamping, surface plating, and inspection are all performed in-house; no outsourcing is involved, ensuring controllable quality and lead times while eliminating intermediary markups.
The factory holds ISO9001 and IATF16949 certifications; rigorous processes are in place for incoming raw material inspection, dimensional sampling, spring force testing, and salt spray reliability testing to strictly control defect rates.
Supports free sample testing; offers coordinated procurement of complete EMC shielding assemblies—including shielding cans and grounding clips—simplifying the supplier management process for customers.
A1: Our conductive spring clips are manufactured using precision progressive die stamping. With our in-house mold workshop equipped with 2 milling machines, 2 drilling machines, 4 grinding machines, 8 wire cutting machines, 1 medium-speed wire cutting machine, and 2 spark punching machines, we maintain strict control over mold accuracy. The dimensional tolerance for our stamped spring clips is controlled within ±0.03mm, ensuring stable coplanarity.
A2: Based on our 18+ years of precision stamping experience, we offer multiple base material options, including beryllium copper (C17200), phosphor bronze, and stainless steel. These materials are selected based on application requirements. All materials used in our production are sourced from qualified suppliers and comply with international environmental standards (RoHS/REACH). For specific material selection recommendations based on your operating environment, frequency range, and mechanical requirements, our engineering team provides free consultation during the pre-sales stage.
A3: We support multiple surface plating finishes, including gold, nickel, tin, and matte tin plating. Gold-plated versions provide lower contact resistance and superior oxidation resistance, making them suitable for high-frequency applications such as WiFi 6/7 modules, Bluetooth modules, and millimeter-wave radar. Nickel and tin plating options offer cost-effective solutions for consumer electronics and industrial control equipment. Our plating processes are coordinated with certified external partners under our ISO 9001 and IATF 16949 quality management systems to ensure consistent plating thickness and adhesion quality.
A4: For our beryllium copper (C17200) series spring clips, which undergo dedicated heat treatment strengthening, the components maintain stable elasticity even after undergoing one million compression cycles. This durability ensures reliable connections without intermittent contact or grounding failure even under extended vibration and thermal cycling conditions. This performance is verified through our in-house testing capabilities, including our high-temperature testing machine and salt spray testing machine, which support environmental resistance and durability testing.
A5: We offer two automated packaging formats for EMI conductive spring clips — carrier tape (reeling) and blister trays. Our packaging workshop is equipped with 6 carrier tape packaging machines and 2 blister tray packaging production lines. Both formats are fully compatible with high-speed pick-and-place machines, eliminating manual insertion steps and reducing assembly man-hours during mass production. We also have 1 CCD automatic laser engraving machine for carrier tape labeling to support full traceability.
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Fumin Science and Technology Park, Songgang Subdistrict, Bao'an District, Shenzhen City, Guangdong Province, China
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