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UN921D from Panasonic

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UN921D

Manufacturer: Panasonic

Silicon NPN epitaxial planer transistor

Partnumber Manufacturer Quantity Availability
UN921D Panasonic 3000 In Stock

Description and Introduction

Silicon NPN epitaxial planer transistor **Part Number:** UN921D  
**Manufacturer:** Panasonic  

### **Specifications:**  
- **Battery Type:** Lithium Coin  
- **Nominal Voltage:** 3 V  
- **Capacity:** 5.5 mAh  
- **Diameter:** 9.5 mm  
- **Height:** 2.1 mm  
- **Weight:** 0.6 g  
- **Operating Temperature Range:** -30°C to +60°C  
- **Storage Temperature Range:** -40°C to +85°C  
- **Standard Discharge Current:** 0.1 mA  

### **Descriptions:**  
- The UN921D is a compact lithium coin battery designed for long-term, low-power applications.  
- It is commonly used in small electronic devices such as watches, calculators, and memory backup systems.  

### **Features:**  
- **Long Shelf Life:** Up to 10 years with minimal self-discharge.  
- **Stable Voltage:** Maintains consistent voltage output throughout its discharge cycle.  
- **Leak-Resistant Design:** Minimizes risk of damage to devices.  
- **RoHS Compliant:** Free from hazardous substances.  
- **Reliable Performance:** Suitable for precision electronics requiring stable power.  

(Source: Panasonic official documentation)

Application Scenarios & Design Considerations

Silicon NPN epitaxial planer transistor

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