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UN921EJ from Panasonic

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UN921EJ

Manufacturer: Panasonic

Composite Device

Partnumber Manufacturer Quantity Availability
UN921EJ Panasonic 3000 In Stock

Description and Introduction

Composite Device **Part Number:** UN921EJ  
**Manufacturer:** Panasonic  

### **Specifications:**  
- **Battery Type:** Lithium Coin  
- **Nominal Voltage:** 3V  
- **Capacity:** 8.5mAh  
- **Diameter:** 9.5mm  
- **Height:** 2.1mm  
- **Weight:** 0.6g  
- **Operating Temperature Range:** -30°C to +60°C  
- **Storage Temperature Range:** -40°C to +85°C  
- **Terminal:** Nickel-plated stainless steel  

### **Description:**  
The Panasonic UN921EJ is a compact lithium coin battery designed for long-term, low-power applications. It provides stable voltage output and is commonly used in small electronic devices such as memory backup, calculators, and medical devices.  

### **Features:**  
- **High Energy Density:** Provides reliable power in a small form factor.  
- **Long Shelf Life:** Low self-discharge rate ensures extended storage.  
- **Leak-Resistant Construction:** Enhances safety and reliability.  
- **Wide Temperature Range:** Suitable for various environmental conditions.  
- **RoHS Compliant:** Meets environmental standards.  

This information is based on Panasonic's official documentation for the UN921EJ battery.

Application Scenarios & Design Considerations

Composite Device

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