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UN921MJ from PANASONIC

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UN921MJ

Manufacturer: PANASONIC

Composite Device

Partnumber Manufacturer Quantity Availability
UN921MJ PANASONIC 81800 In Stock

Description and Introduction

Composite Device The part **UN921MJ** is manufactured by **Panasonic**.  

### **Specifications:**  
- **Type:** Battery (Lithium Coin Cell)  
- **Nominal Voltage:** 3V  
- **Capacity:** 5mAh (typical)  
- **Diameter:** 9.5mm  
- **Height:** 2.1mm  
- **Weight:** Approx. 0.6g  
- **Operating Temperature Range:** -30°C to +60°C  
- **Storage Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- **Chemistry:** Lithium Manganese Dioxide (Li-MnO₂)  
- **Long Shelf Life:** Low self-discharge rate, suitable for long-term storage  
- **High Reliability:** Stable discharge characteristics  
- **Applications:** Used in small electronic devices such as watches, calculators, memory backup, and medical devices  
- **Safety Features:** Built-in safety mechanisms to prevent leakage and short-circuiting  

This battery is designed for compact, low-power applications requiring stable voltage output.

Application Scenarios & Design Considerations

Composite Device

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