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IRFL4105 from IR,International Rectifier

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IRFL4105

Manufacturer: IR

55V Single N-Channel HEXFET Power MOSFET in a SOT-223 package

Partnumber Manufacturer Quantity Availability
IRFL4105 IR 12000 In Stock

Description and Introduction

55V Single N-Channel HEXFET Power MOSFET in a SOT-223 package The IRFL4105 is a power MOSFET manufactured by International Rectifier (IR). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** International Rectifier (IR)  

### **Descriptions:**  
- The IRFL4105 is a **N-Channel HEXFET Power MOSFET** designed for high-efficiency power switching applications.  
- It is optimized for **low gate drive power** and **fast switching speeds**.  
- Suitable for **DC-DC converters, motor control, and power management** applications.  

### **Key Specifications:**  
- **Drain-Source Voltage (VDSS):** 55V  
- **Continuous Drain Current (ID):** 5.7A (at 25°C)  
- **Pulsed Drain Current (IDM):** 23A  
- **RDS(on) (Max):** 0.11Ω (at VGS = 10V)  
- **Gate-Source Voltage (VGS):** ±20V  
- **Power Dissipation (PD):** 42W (at 25°C)  
- **Operating Junction Temperature (TJ):** -55°C to +150°C  

### **Features:**  
- **Low On-Resistance (RDS(on))** for reduced conduction losses.  
- **Fast switching performance** for high-frequency applications.  
- **Avalanche energy rated** for ruggedness in inductive load switching.  
- **Fully characterized for dynamic performance** to ensure reliable operation.  
- **Lead-free and RoHS compliant.**  

The IRFL4105 is available in a **TO-252 (DPAK)** package.  

(Note: Always refer to the official datasheet for the most accurate and updated information.)

Application Scenarios & Design Considerations

55V Single N-Channel HEXFET Power MOSFET in a SOT-223 package

Alternative Part Number

  • FQP50N06 --: N-channel MOSFET with 60V/50A rating in TO-220, close electrical match to the IRFL4105 and widely available.
  • STP55NF06 --: 60V N-channel power MOSFET in TO-220 with low RDS(on), suitable drop-in replacement for switching applications.
  • IRFZ44N --: Popular 55V N-channel MOSFET in TO-220 with similar current capability, easy to source and commonly used as a substitute.

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