Overview
The CR2032W is a heat-resistant lithium coin battery manufactured by Murata Electronics. This battery is part of the coin-type manganese dioxide lithium battery family, known for its small size and high reliability. It features a manganese dioxide cathode and a lithium anode, with an electrolyte composed of lithium salt molten into an organic solution. This design ensures stable voltage and low impedance during discharge, making it suitable for a variety of applications, especially in severe temperature environments.
Key Specifications
| Parameter | Specification |
|---|---|
| Battery Type | CR2032 |
| Nominal Voltage | 3.0V |
| Nominal Capacity | 210mAh (at 20°C under 15kΩ load to 2.0V end-voltage) |
| Outer Dimensions | φ20.0mm (+0/-0.3) x 3.2mm (+0/-0.3) |
| Standard Weight | 3.2g |
| Terminals | SUS430+Ni-plated (Positive and Negative) |
| Usable Temperature Range | -20°C to +70°C |
| Storage Temperature Range | 0°C to 30°C |
| Storage Humidity Range | 40% to 75% |
| Discharge Rate | 1mA |
Key Features
- Heat Resistance: The CR2032W battery is designed to operate in severe temperature environments, with a wide operating temperature range of -40°C to +125°C.
- Stable Voltage: The battery maintains a stable voltage of approximately 3V and low impedance during discharge, ensuring reliable performance.
- High Energy Density: The use of high-voltage, high-activity lithium metal and specially processed manganese dioxide as the active materials provides high energy density.
- REACH Compliance: The battery is compliant with the REACH regulation, ensuring safety and environmental protection.
Applications
- Tire Pressure Monitoring Systems (TPMS): Ideal for use in automotive TPMS due to its stable voltage and wide operating temperature range.
- IoT Devices: Suitable for various IoT applications requiring reliable and long-lasting power sources.
- Backup Power for Memory and RTC: Often used as a backup power source for memory and real-time clock (RTC) applications in electronic devices.
Q & A
- What is the nominal voltage of the CR2032W battery?
The nominal voltage of the CR2032W battery is 3.0V.
- What is the nominal capacity of the CR2032W battery?
The nominal capacity of the CR2032W battery is 210mAh (at 20°C under 15kΩ load to 2.0V end-voltage)).
- What are the dimensions of the CR2032W battery?
The dimensions of the CR2032W battery are φ20.0mm (+0/-0.3) x 3.2mm (+0/-0.3)).
- What is the usable temperature range of the CR2032W battery?
The usable temperature range of the CR2032W battery is -20°C to +70°C).
- Is the CR2032W battery rechargeable?
No, the CR2032W battery is a primary battery and cannot be charged).
- What are the storage temperature and humidity ranges for the CR2032W battery?
The storage temperature range is 0°C to 30°C, and the storage humidity range is 40% to 75%).
- What materials are used for the terminals of the CR2032W battery?
The terminals are made of SUS430+Ni-plated material).
- Is the CR2032W battery compliant with REACH regulations?
Yes, the CR2032W battery is compliant with REACH regulations).
- What are some common applications of the CR2032W battery?
Common applications include TPMS, IoT devices, and backup power for memory and RTC).
- How should the CR2032W battery be handled to prevent external short-circuits?
It is crucial to handle the battery carefully to avoid external short-circuits, which can cause mechanical malfunctions or short operating times. Proper precautions and protective measures should be taken during circuit design and handling).
