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STD40NF03LT4 from ST,ST Microelectronics

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STD40NF03LT4

Manufacturer: ST, ST,ST

N-CHANNEL 30V

Partnumber Manufacturer Quantity Availability
STD40NF03LT4 ST, ST,ST 9890 In Stock

Description and Introduction

N-CHANNEL 30V The **STD40NF03LT4** is an N-channel Power MOSFET manufactured by **STMicroelectronics (ST)**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (ST)  
- **Type:** N-Channel MOSFET  
- **Technology:** Power MOSFET  
- **Drain-Source Voltage (VDS):** 30V  
- **Continuous Drain Current (ID):** 40A  
- **Pulsed Drain Current (IDM):** 160A  
- **Power Dissipation (PD):** 80W  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 7.5mΩ (max) at VGS = 10V  
- **Threshold Voltage (VGS(th)):** 1V (min), 2.5V (max)  
- **Total Gate Charge (Qg):** 60nC (typ)  
- **Operating Junction Temperature (TJ):** -55°C to +175°C  
- **Package:** TO-252 (DPAK)  

### **Descriptions:**
- The **STD40NF03LT4** is a **low on-resistance** N-channel Power MOSFET designed for high-efficiency power switching applications.  
- It is optimized for **low voltage, high current** applications such as DC-DC converters, motor control, and power management.  
- The device features **fast switching speeds** and **low gate charge**, making it suitable for high-frequency applications.  

### **Features:**
- **Low RDS(on)** for reduced conduction losses.  
- **High current capability** (40A continuous, 160A pulsed).  
- **Fast switching performance** for improved efficiency.  
- **Avalanche ruggedness** for enhanced reliability.  
- **Lead-free and RoHS compliant** for environmental safety.  
- **TO-252 (DPAK) package** for efficient thermal dissipation.  

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

Application Scenarios & Design Considerations

N-CHANNEL 30V

Alternative Part Number

  • IRFZ44N --: Widely available N-channel logic-level MOSFET with comparable 55V/49A ratings, suitable drop-in for many 30V/40A switching applications.
  • FQP30N06L --: Logic-level N-channel MOSFET rated 60V/32A, close electrical match with low gate threshold, good availability and cost.
  • IRLZ44N --: Logic-level N-channel MOSFET rated 55V/47A with low RDS(on), similar switching behavior and package compatibility.
  • IRF3205 --: Widely available N-channel MOSFET with 55V/110A rating, comparable low RDS(on), suitable drop-in for many 30V logic-level switching applications.
  • FDP8870 --: 30V N-channel MOSFET in TO-220 with low RDS(on) and high current capability, close electrical match for the STD40NF03L.
  • IPP80N06S2L-07 --: Logic-level N-channel MOSFET with low on-resistance and high current rating, usable as an alternative in similar power switching circuits.

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