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SMD125-2

Manufacturer: TYCO, Raychem

PolySwitch SMD
Partnumber Manufacturer Quantity Availability
SMD125-2,SMD1252 TYCO, Raychem 84906 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

Alternative Part Number

  • MF-MSMF125-2 --: PTC resettable fuse with 1.25A hold current in 1812 package, direct functional equivalent to the SMD125-2.
  • 1812L125/12MR --: 1.25A hold current PPTC resettable fuse in 1812 footprint, matches the electrical and physical characteristics of the original.
  • 0ZCG0125FF2C --: 1.25A hold current resettable PTC fuse in 1812 size, suitable drop-in replacement for the SMD125-2.
  • 1812L125/16MR --: 1812-size polyfuse rated 1.25A hold current at 16V, matching the electrical and package characteristics of the original.
  • 1812L125/33MR --: 1.25A hold current polyfuse in 1812 footprint with similar trip current and time-to-trip, suitable replacement for overcurrent protection in the same circuit.
  • 0ZCG0125FF2B --: 1.25A hold current SMD PTC resettable fuse in 1812 size offering equivalent hold/trip ratings and a different series naming for easy distinction.

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