The coin cell holder for CR2032N is a specialized PCB-mount component designed to securely accommodate CR2032N lithium coin cell batteries, providing a reliable and replaceable power source for a wide range of electronic devices. The CR2032N battery is a 20mm diameter, 3.2mm thick lithium coin cell with a nominal voltage of 3.0V, widely used in memory backup circuits, real-time clocks, IoT sensors, medical devices, and consumer electronics. The Antenk BT-M-SN-R-CR2032N model represents a key product in this category, featuring a robust design that ensures consistent electrical connectivity while allowing for easy battery replacement when needed. These holders serve as the critical interface between the battery and the printed circuit board, with precision-engineered contacts that maintain stable electrical performance across the product's operational lifetime. The BT-M-SN-R-CR2032N is manufactured by Antenk Electronics, a company specializing in competitive connector and cable solutions, positioning itself as a "connector expert" for various electronic applications.
The CR2032N coin cell holder features high-quality material selection optimized for reliability and manufacturing compatibility. The insulator housing is molded from LCP (Liquid Crystal Polymer) , a high-performance thermoplastic that offers exceptional thin-wall strength, dimensional stability, and heat resistance. This LCP housing is rated UL94 V-0 for flame retardancy and can withstand reflow soldering temperatures with a rating range of -40°C to +280°C, ensuring compatibility with automated SMT assembly processes. The contact system utilizes C5191 phosphor bronze as the base contact material, chosen for its excellent spring properties, conductivity, and fatigue resistance. The contacts feature a tin plating (10u") over the phosphor bronze substrate, providing low contact resistance and corrosion protection. This dual-pressure contact design not only provides extremely low electrical resistance but also delivers a secure, tight fit that helps prevent the coin cell from becoming dislodged due to shock, vibration, or mishandling.
The CR2032N coin cell holder delivers robust electrical performance suitable for demanding industrial and commercial applications. Key electrical characteristics include a contact resistance of 30 milliohms maximum, an insulation resistance of 1000 megohms minimum, and a dielectric withstand voltage of 500V AC at sea level. The operating temperature range spans from -55°C to +105°C , enabling reliable deployment in harsh environments including outdoor telecommunications equipment, automotive electronics, and industrial control systems. The holder has undergone rigorous mechanical reliability testing to validate its performance under real-world conditions. These tests include sinusoidal sweep vibration testing (10-50-10 Hz) for one hour on each orthogonal axis, with no battery displacement and no contact continuity loss exceeding 10 microseconds. The device also successfully passed 150G half-sine shock testing, including three shocks in each direction on every axis for a total of 18 shock pulses, with no evidence of physical damage. Additionally, a 1-meter drop test confirmed that the battery cell remained securely in place under impact conditions.
CR2032N coin cell holders are available in multiple design configurations to accommodate different PCB layouts and assembly processes. The Antenk BT-M-SN-R-CR2032N is designed for SMT (Surface Mount Technology) assembly, featuring flat solder tails that support automated pick-and-place manufacturing and reflow soldering processes. Alternative configurations from other manufacturers include through-hole versions such as TE Connectivity's 2-1775485-1 (PCB through-hole vertical holder) and Renata's VBH2032-1-LF (vertical through-hole with safe retention features). Surface mount options also include Renata's SMTU2032-LF, which is designed for automatic "pick and place" mounting and features heat-resistant glass fiber-filled LCP construction. Key applications for these holders include real-time clock (RTC) backup on computer motherboards and industrial controllers, IoT sensors and wireless devices, medical equipment such as portable diagnostic devices, telecommunications infrastructure, automotive electronics including TPMS sensors, and consumer electronics like smart home devices and wearable technology. The surface mount design supports high-volume automated assembly, reducing manufacturing costs while ensuring consistent placement accuracy.
In summary, coin cell holders for CR2032N provide a reliable, standardized interconnect solution for integrating CR2032N lithium coin cell batteries into electronic systems. The BT-M-SN-R-CR2032N from Antenk represents a robust option featuring LCP housing material, phosphor bronze contacts with tin plating, SMT mounting compatibility, and proven mechanical reliability through vibration, shock, and drop testing. When selecting a holder for a specific application, key parameters to consider include: mounting style (SMT vs. through-hole), operating temperature range (standard -40°C to +105°C vs. extended range options), contact material and plating, mechanical retention features, and manufacturing process compatibility (wave soldering vs. reflow soldering). Major manufacturers offering CR2032-compatible holders include Antenk (BT-M-SN-R-CR2032N series), TE Connectivity (2-1775485-1), Renata (SMTU2032-LF, VBH2032-1-LF), and Eagle Plastic Devices (12BH003-GR). Whether for low-cost consumer electronics or high-reliability industrial systems, there exists a CR2032N battery holder configuration optimized for the specific requirements of the target application, balancing factors such as cost, board space, assembly efficiency, and long-term reliability.
