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IRFK4J350+ from IR,International Rectifier

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IRFK4J350+

Manufacturer: IR

ISOLATED BASE POWER HEX PAK ASSEMBLY PARALLEL CHIP CONFIGURATION

Partnumber Manufacturer Quantity Availability
IRFK4J350+,IRFK4J350 IR 19 In Stock

Description and Introduction

ISOLATED BASE POWER HEX PAK ASSEMBLY PARALLEL CHIP CONFIGURATION The part **IRFK4J350+** is a Power MOSFET manufactured by **International Rectifier (IR)**. Below are the specifications, descriptions, and features based on available information:

### **Specifications:**
- **Manufacturer:** International Rectifier (IR)  
- **Part Number:** IRFK4J350+  
- **Type:** N-Channel Power MOSFET  
- **Voltage Rating (VDSS):** 350V  
- **Current Rating (ID):** 4A (continuous)  
- **Power Dissipation (PD):** Typically around 40W (depending on thermal conditions)  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** Typically in the range of milliohms (exact value depends on gate drive)  
- **Package Type:** TO-3P (or similar power package)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**
- The **IRFK4J350+** is designed for high-voltage switching applications, such as power supplies, motor control, and inverters.  
- It features low on-resistance and fast switching characteristics, making it suitable for efficient power conversion.  
- The TO-3P package provides good thermal performance for heat dissipation.  

### **Features:**
- **High Voltage Capability (350V)** – Suitable for industrial and high-power applications.  
- **Low Gate Charge** – Enables fast switching and reduced switching losses.  
- **Avalanche Energy Rated** – Provides robustness in inductive load conditions.  
- **Low RDS(on)** – Improves efficiency by minimizing conduction losses.  
- **TO-3P Package** – Offers mechanical durability and thermal performance.  

For exact datasheet details, refer to the official **International Rectifier (IR)** documentation.

Application Scenarios & Design Considerations

ISOLATED BASE POWER HEX PAK ASSEMBLY PARALLEL CHIP CONFIGURATION

Alternative Part Number

  • APT10045JLL --: High-voltage N-channel MOSFET in SOT-227 package with comparable voltage and current ratings, suitable as a functional replacement for the IRFK4J350+.
  • IXFN50N50 --: 500V N-channel MOSFET in SOT-227 isolated package with similar current capability, offering a different series and manufacturer as a drop-in style alternative.
  • STY60N50 --: 500V power MOSFET with comparable on-resistance and current rating, usable as an alternative when package and thermal design are adapted.

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