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IRF3805S-7P from IR,International Rectifier

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IRF3805S-7P

Manufacturer: IR

55V Single N-Channel HEXFET Power MOSFET in a 7-Lead D2-Pak package

Partnumber Manufacturer Quantity Availability
IRF3805S-7P,IRF3805S7P IR 126 In Stock

Description and Introduction

55V Single N-Channel HEXFET Power MOSFET in a 7-Lead D2-Pak package The IRF3805S-7P is a power MOSFET manufactured by Infineon Technologies (formerly International Rectifier, IR). Below are the key specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Infineon Technologies (IR)  
- **Part Number:** IRF3805S-7P  
- **Type:** N-Channel Power MOSFET  
- **Package:** TO-263-7 (D²PAK)  
- **Drain-Source Voltage (VDS):** 55V  
- **Continuous Drain Current (ID):** 140A (at 25°C)  
- **Pulsed Drain Current (IDM):** 560A  
- **Gate-Source Voltage (VGS):** ±20V  
- **Power Dissipation (PD):** 300W (at 25°C)  
- **On-Resistance (RDS(on)):** 3.7mΩ (max) at VGS = 10V  
- **Threshold Voltage (VGS(th)):** 2V (min) - 4V (max)  
- **Total Gate Charge (Qg):** 150nC (typ) at VDS = 44V, ID = 140A  
- **Operating Junction Temperature:** -55°C to +175°C  

### **Descriptions and Features:**
- **Advanced HEXFET® Technology:** Provides high efficiency and low conduction losses.  
- **Optimized for High Current Applications:** Suitable for power switching in motor drives, DC-DC converters, and synchronous rectification.  
- **Low On-Resistance:** Minimizes power dissipation and improves thermal performance.  
- **Fast Switching Speed:** Enhances performance in high-frequency applications.  
- **Avalanche Energy Rated:** Ensures robustness in rugged environments.  
- **Lead-Free & RoHS Compliant:** Meets environmental standards.  
- **Low Gate Charge:** Reduces drive requirements and improves efficiency.  

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

Application Scenarios & Design Considerations

55V Single N-Channel HEXFET Power MOSFET in a 7-Lead D2-Pak package

Alternative Part Number

  • AUIRFS8409-7P --: Automotive-grade N-channel MOSFET in the same 7-pin D2PAK package with comparable low RDS(on) and current rating, direct functional replacement from the successor brand of IR.
  • IPB80N06S4-07 --: 60V N-channel power MOSFET in D2PAK with very low on-resistance, suitable for high-current switching applications similar to the original.
  • STH310N10F7-6 --: 100V N-channel MOSFET in a similar high-power surface-mount package with low RDS(on), usable as an alternative for high-current load switching.

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