BATTERY CONTACTSFOR BR2016 DL2020 CR2032
2 month ago
Product details
Huizhou Antenk Electronics Co., Ltd., an IATF16949:2016, ISO9001 and ISO14001 certified manufacturer founded in 2004 with over 250 employees and a 10,000m² facility in Shenzhen and Dongguan, proudly presents the BATTERY CONTACTS FOR BR2016 / DL2020 / CR2032 – a multi-height compatible coin cell contact family engineered to accept three different battery thicknesses (1.6mm, 2.0mm, and 3.2mm) within the same 20mm diameter footprint. Unlike single-thickness contacts that force customers to stock separate parts for different coin cells, this innovative design features a progressive cantilever spring arm with a 2.0mm vertical travel range, automatically adjusting contact force from 40g (BR2016) to 80g (CR2032) to ensure optimal pressure regardless of thickness. Manufactured on our 11 Japanese/Taiwanese high-speed stamping presses using premium phosphor bronze (C5191) with selective gold plating (0.5μm) on contact tips, this terminal delivers ultra-low contact resistance below 25 milliohms and excellent corrosion resistance. Key characteristics include support for continuous currents up to 300mA (pulse 1A), reliable operation from -40°C to +85°C, and an integrated ramped guide to prevent battery scratching during insertion. The product is RoHS, REACH compliant and UL recognized (E472792), with 100% automated optical inspection.
Application Scope: This universal coin cell contact is ideal for devices where battery thickness may vary during production or field replacement, including IoT sensors (temperature/humidity loggers), active RFID tags, portable medical devices (glucose meters, digital thermometers), wireless key fobs, real-time clock backup on PC motherboards, wearable fitness trackers, smart watches, calculators, and electronic shelf labels – markets where Antenk already supplies customers in the USA, Germany, South Korea, India, Russia, and beyond. Usage Method: Solder the contact’s SMT pads or through-hole pins to the PCB. Insert the 20mm diameter coin cell (BR2016, DL2020, or CR2032) with positive (+) side facing the spring-loaded contact. The ramped lead-in ensures smooth insertion without damaging the gold plating. For removal, use a plastic pry tool under the battery edge. Precautions: Do not exceed 300mA continuous current; avoid excessive insertion force (max 20N); do not use with rechargeable LIR2032 unless specified; operate within -40°C to +85°C range. Advantages Over Competitors: Unlike competitors who offer thickness-specific contacts requiring separate inventory for each battery type, Antenk’s universal contact accepts three thicknesses with a single part number – reducing inventory costs by 66%. Competitors often use simple stamped dimples that create point contacts prone to micro-fretting; Antenk uses a wide gold-plated crescent pad for surface contact. While others require 10,000+ MOQ for each thickness variant, Antenk offers low MOQs (1,000 units) for a single universal design. Our IATF16949 certification ensures automotive-grade quality management. Additionally, our 72-hour salt spray testing and 15,000 insertion/removal cycles guarantee reliability even with frequent battery changes.
Antenk’s vertical integration delivers consistent quality for these multi-thickness coin cell contacts. Process flow: (1) In-house mold design using our 180+ precision terminal molds (dedicated progressive tooling with 16 stations including complex cantilever forming); (2) High-speed stamping on Japanese/Taiwanese presses (11 machines) using 0.15mm phosphor bronze strip – the long 4mm cantilever requires stress-relief design to prevent creep; (3) Selective plating: nickel underplate (2μm) + gold on contact crescent (0.5μm) using precision masking; (4) 100% AOI dimensional inspection with critical tolerance of ±0.05mm on spring height and contact angle; (5) Force-deflection testing per EIA-364-04 at 1.6mm, 2.0mm, and 3.2mm compression; (6) Contact resistance testing per EIA-364-06 across all three thickness simulators; (7) 72-hour salt spray corrosion testing; (8) Automated assembly on 180+ machines with gold contact verification; (9) Final QC with lot traceability and full dimensional report including spring constant measurement. Our laboratory houses 20+ testing devices including profile projectors, XRF for gold thickness, environmental chambers, and automated force-deflection testers. With 250+ employees including dedicated engineering and QA teams, 18+ mold-making machines, and 250+ plastic injection molds, we provide free samples, complete 2D/3D CAD drawings showing the 2.0mm spring travel range, and 24-hour technical support. Contact Antenk today for a quotation – we typically respond within 4 hours and ship universal coin cell contact samples within 3 days. Ask about our volume discounts (5,000+ units) and custom options (different gold thickness, alternative materials for high-temperature applications, or specific force tailoring). With 70% of our products exported worldwide and 18 years of experience, Antenk is your trusted partner for flexible, multi-thickness coin cell battery contacts that simplify supply chain management.
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Suppliers
HuiZhou Antenk Electronics Co., LTD
Audited supplier
5 year
Main Product:
Connectors ,
Wire harness,
Board to board connector ,
Wire to board connector ,
Battery holders ,
Industrial connector