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SMD125-2

PolySwitch SMD

Partnumber Manufacturer Quantity Availability
SMD125-2,SMD1252 39858 In Stock

Description and Introduction

PolySwitch SMD The SMD125-2 is a surface-mount device (SMD) manufactured by **Littelfuse**. It is a **125V, 2A** surface-mount fuse designed for overcurrent protection in electronic circuits.  

### **Specifications:**  
- **Voltage Rating:** 125V AC/DC  
- **Current Rating:** 2A  
- **Breaking Capacity:** 50A @ 125V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Package Type:** 1206 (3216 metric) surface-mount  
- **Material:** Ceramic body with solderable terminations  

### **Features:**  
- **Fast-Acting:** Provides quick response to overcurrent conditions.  
- **Surface-Mount Design:** Suitable for automated PCB assembly.  
- **High Reliability:** Ceramic construction ensures durability.  
- **RoHS Compliant:** Meets environmental standards.  

### **Applications:**  
- Consumer electronics  
- Power supplies  
- Telecommunications equipment  
- Industrial control systems  

For exact datasheet details, refer to the **Littelfuse official documentation**.

Application Scenarios & Design Considerations

PolySwitch SMD
Partnumber Manufacturer Quantity Availability
SMD125-2,SMD1252 TYCO 39858 In Stock

Description and Introduction

PolySwitch SMD The SMD125-2 is a surface-mount fuse manufactured by **TYCO Electronics (now part of TE Connectivity)**.  

### **Specifications:**  
- **Current Rating:** 125A  
- **Voltage Rating:** 32V DC  
- **Interrupting Rating:** 1000A  
- **Package Type:** Surface Mount (SMD)  
- **Termination Style:** Solder Pads  
- **Operating Temperature Range:** -40°C to +125°C  
- **Compliance:** RoHS Compliant  

### **Descriptions & Features:**  
- Designed for high-current protection in automotive and industrial applications.  
- Compact surface-mount design for PCB integration.  
- Fast-acting response to overcurrent conditions.  
- Low resistance for minimal power loss.  
- Suitable for battery protection and power distribution systems.  

For detailed datasheets or further specifications, refer to **TE Connectivity's official documentation**.

Application Scenarios & Design Considerations

PolySwitch SMD
Partnumber Manufacturer Quantity Availability
SMD125-2,SMD1252 Raychem 5190 In Stock

Description and Introduction

PolySwitch SMD The SMD125-2 is a surface-mount device (SMD) manufactured by Raychem, a part of TE Connectivity.  

### **Specifications:**  
- **Type:** Surface-mount resettable fuse (PPTC - Polymeric Positive Temperature Coefficient)  
- **Hold Current:** 1.25A  
- **Trip Current:** 2.5A (typical)  
- **Maximum Voltage Rating:** 30V DC  
- **Maximum Current Rating:** 40A  
- **Operating Temperature Range:** -40°C to +85°C  
- **Resistance (Rmin/Rmax):** Typically low resistance in normal operation  

### **Descriptions and Features:**  
- Provides overcurrent protection by increasing resistance when excessive current flows.  
- Resettable functionality—returns to low resistance after fault condition is removed.  
- Compact SMD package for space-constrained PCB applications.  
- RoHS compliant.  
- Used in consumer electronics, power supplies, and automotive applications.  

For exact datasheet details, refer to Raychem/TE Connectivity’s official documentation.

Application Scenarios & Design Considerations

PolySwitch SMD

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