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SDM40N02

Manufacturer: ICS

N-Channel E nhancement Mode F ield E ffect Transistor

Partnumber Manufacturer Quantity Availability
SDM40N02 ICS 474 In Stock

Description and Introduction

N-Channel E nhancement Mode F ield E ffect Transistor The SDM40N02 is a power MOSFET manufactured by various suppliers. Below are the factual specifications, descriptions, and features from available knowledge:

### **Specifications:**
- **Type:** N-Channel MOSFET  
- **Drain-Source Voltage (VDSS):** 20V  
- **Continuous Drain Current (ID):** 40A  
- **Pulsed Drain Current (IDM):** Higher than continuous rating (exact value depends on conditions)  
- **Power Dissipation (PD):** Typically around 50W (varies with thermal conditions)  
- **Gate-Source Voltage (VGS):** ±20V (max)  
- **On-Resistance (RDS(on)):** Typically in the milliohm range (exact value depends on VGS)  
- **Package:** TO-252 (DPAK) or similar surface-mount package  

### **Descriptions:**
- The SDM40N02 is designed for high-efficiency power switching applications.  
- It is commonly used in DC-DC converters, motor control, and power management circuits.  
- The low on-resistance helps minimize conduction losses.  

### **Features:**
- **Low RDS(on):** Enhances efficiency in power applications.  
- **Fast Switching:** Suitable for high-frequency switching.  
- **Avalanche Energy Rated:** Provides robustness in inductive load conditions.  
- **Logic-Level Gate Drive:** Can be driven by lower gate voltages (exact threshold varies).  

For exact values, refer to the manufacturer's datasheet as specifications may vary slightly between suppliers.

Application Scenarios & Design Considerations

N-Channel E nhancement Mode F ield E ffect Transistor

Alternative Part Number

  • IRLZ44N --: Logic-level N-channel MOSFET in TO-220 with low RDS(on) and 55V rating, widely available and a common substitute for 40V-class switching MOSFETs.
  • FQP30N06L --: Logic-level N-channel MOSFET rated 60V/30A with low gate threshold, suitable for similar low-voltage switching applications.
  • STP55NF06L --: Logic-level N-channel power MOSFET with 60V/55A rating and low RDS(on), a robust drop-in style alternative for 40V-class designs.
  • IRLML2502 --: N-channel logic-level MOSFET in SOT-23 with low RDS(on), commonly used as a drop-in substitute for small N-channel MOSFETs like the SDM40N02.
  • AO3400A --: Popular 30V N-channel MOSFET in SOT-23 with low on-resistance and good current handling, widely cross-referenced for similar small-signal switching applications.
  • 2N7002 --: Industry-standard N-channel MOSFET in SOT-23, easily available and suitable for low-power switching where the SDM40N02 is used.

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