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IRFR4105 from IR,International Rectifier

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IRFR4105

Manufacturer: IR, FAIRCHILD

55V Single N-Channel HEXFET Power MOSFET in a D-Pak package

Partnumber Manufacturer Quantity Availability
IRFR4105 IR, FAIRCHILD 25265 In Stock

Description and Introduction

55V Single N-Channel HEXFET Power MOSFET in a D-Pak package The IRFR4105 is a power MOSFET manufactured by FAIRCHILD (now part of ON Semiconductor). Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** FAIRCHILD (ON Semiconductor)  
- **Type:** N-Channel Power MOSFET  
- **Drain-Source Voltage (VDSS):** 55V  
- **Continuous Drain Current (ID):** 42A (at TC = 25°C)  
- **Pulsed Drain Current (IDM):** 160A  
- **Power Dissipation (PD):** 94W (at TC = 25°C)  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.027Ω (at VGS = 10V, ID = 21A)  
- **Threshold Voltage (VGS(th)):** 2V to 4V  
- **Input Capacitance (Ciss):** 1600pF (typical)  
- **Output Capacitance (Coss):** 500pF (typical)  
- **Reverse Transfer Capacitance (Crss):** 100pF (typical)  
- **Turn-On Delay Time (td(on)):** 12ns (typical)  
- **Rise Time (tr):** 45ns (typical)  
- **Turn-Off Delay Time (td(off)):** 36ns (typical)  
- **Fall Time (tf):** 20ns (typical)  
- **Operating Junction Temperature (TJ):** -55°C to +175°C  
- **Package:** TO-252 (DPAK)  

### **Description:**  
The IRFR4105 is a high-performance N-Channel MOSFET designed for power switching applications. It features low on-resistance and fast switching speeds, making it suitable for DC-DC converters, motor control, and power management circuits.  

### **Features:**  
- Low on-resistance (RDS(on)) for reduced conduction losses  
- High current handling capability  
- Fast switching performance  
- Improved dv/dt capability  
- Avalanche energy specified  
- Lead-free and RoHS compliant  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

55V Single N-Channel HEXFET Power MOSFET in a D-Pak package

Alternative Part Number

  • FDD6530A --: N-channel MOSFET in TO-252 (DPAK) with comparable 55V/30A ratings and low RDS(on), a common drop-in replacement for the IRFR4105.
  • STD12NF06LT4 --: Logic-level N-channel MOSFET in DPAK with similar voltage and current capability, suitable for switching applications replacing the IRFR4105.
  • BUK7275-100A --: N-channel MOSFET in DPAK rated around 100V with low on-resistance, offering a robust alternative when higher voltage margin is acceptable.
  • STD30NF06L --: N-channel logic-level MOSFET in DPAK with similar voltage and current capability, widely available and pin-compatible for switching applications.
  • IRLR2905 --: Logic-level N-channel MOSFET in DPAK with low on-resistance and comparable ratings, suitable drop-in replacement for power switching circuits.

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