Overview
The CR2032W-HE1 is a high-performance coin-type manganese dioxide lithium battery produced by Murata Electronics. This battery is designed to operate in a wide range of temperatures, making it ideal for applications in severe environmental conditions. With its lightweight and high energy density, the CR2032W-HE1 offers significant advantages in terms of space and weight savings. The battery features a nominal voltage of 3.0V, which is almost double that of standard alkaline or manganese batteries, thereby reducing the number of batteries required for many devices.
Key Specifications
| Specification | Value |
|---|---|
| Battery Type | Coin Manganese Dioxide Lithium Battery |
| Nominal Voltage | 3.0 V |
| Nominal Capacity (2.0V cutoff) | 210 mAh |
| Recommended Continuous Discharge Current | 1 mA or less |
| Operating Temperature Range | -40°C to +125°C |
| Diameter | 20 mm (0.787 inch) |
| Height | 3.2 mm (0.126 inch) |
| Mass | 3.5 g (0.116 oz) |
Key Features
- Lightweight and High Energy Density: The battery voltage is 3V, almost double that of normal alkaline or manganese batteries, allowing for space and weight savings.
- Excellent Discharge Characteristics: Voltage characteristics remain stable even for a long period of discharge, improving the reliability of equipment.
- Outstanding Temperature Characteristics: Operates over a wide temperature range from -40°C to +125°C, making it suitable for severe temperature environments.
- Excellent Leakage Resistance: The newly developed battery construction and electrolyte ensure maximum leakage resistance over a long span of time.
- Long-Term Reliability: Carefully selected active materials minimize battery self-discharge, with an annual self-discharge rate of less than 1% at room temperature and normal humidity.
- UL Approved and RoHS Compliant: Approved by UL (UL1642 File No. MH12566) and conforms to EC regulation values, containing no Mercury, Cadmium, or Lead.
Applications
- Automotive: Ideal for Tire Pressure Monitoring Systems (TPMS) and toll collection devices.
- IoT and Other Devices: Suitable for factory automation instruments, smart meters, and tracking devices.
- Backup Power Source: Used as a backup power source for memory and other critical systems.
Q & A
- What is the nominal voltage of the CR2032W-HE1 battery?
The nominal voltage of the CR2032W-HE1 battery is 3.0V. - What is the operating temperature range of the CR2032W-HE1 battery?
The operating temperature range is from -40°C to +125°C. - What is the nominal capacity of the CR2032W-HE1 battery?
The nominal capacity is 210 mAh (2.0V cutoff). - Is the CR2032W-HE1 battery UL approved?
Yes, the CR2032W-HE1 battery is UL approved (UL1642 File No. MH12566). - What are the key applications of the CR2032W-HE1 battery?
The key applications include automotive (TPMS, toll collection), IoT devices, factory automation instruments, smart meters, and tracking devices. - What are the benefits of the high energy density of the CR2032W-HE1 battery?
The high energy density allows for space and weight savings, as fewer batteries are required to achieve the same voltage as other types of batteries. - How does the CR2032W-HE1 battery perform in terms of leakage resistance?
The battery has excellent leakage resistance due to its newly developed construction and electrolyte. - Is the CR2032W-HE1 battery compliant with RoHS directives?
Yes, the CR2032W-HE1 battery is RoHS compliant and does not contain Mercury, Cadmium, or Lead. - What is the annual self-discharge rate of the CR2032W-HE1 battery at room temperature and normal humidity?
The annual self-discharge rate is less than 1% of the nominal capacity. - What are the recommended handling precautions for the CR2032W-HE1 battery?
Users should be cautious to avoid external short-circuits, which can occur due to incorrect handling or carelessness.
