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UN921LJ from PANASONIC

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UN921LJ

Manufacturer: PANASONIC

Composite Device

Partnumber Manufacturer Quantity Availability
UN921LJ PANASONIC 54200 In Stock

Description and Introduction

Composite Device The UN921LJ is a lithium coin battery manufactured by Panasonic. Here are its specifications, descriptions, and features:  

### **Specifications:**  
- **Model:** UN921LJ  
- **Chemistry:** Lithium Manganese Dioxide (Li-MnO₂)  
- **Nominal Voltage:** 3.0V  
- **Capacity:** 40mAh (typical)  
- **Diameter:** 9.5mm  
- **Height:** 2.1mm  
- **Weight:** Approximately 0.6g  
- **Operating Temperature Range:** -20°C to +60°C  
- **Storage Temperature Range:** -20°C to +60°C  

### **Descriptions:**  
- The UN921LJ is a compact, high-energy-density lithium coin cell battery designed for long-term use in small electronic devices.  
- It is commonly used in applications such as memory backup, real-time clocks (RTC), calculators, and other low-power electronics.  

### **Features:**  
- **Long Shelf Life:** Low self-discharge rate ensures extended storage capability.  
- **High Reliability:** Stable voltage output throughout discharge.  
- **Leak-Resistant Design:** Minimizes risk of damage to devices.  
- **RoHS Compliant:** Meets environmental standards.  

This battery is not rechargeable and should be disposed of properly after use.

Application Scenarios & Design Considerations

Composite Device

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