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SI1403DL from VISHAY

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SI1403DL

Manufacturer: VISHAY, SILCONIX

P-Channel 2.5-V (G-S) MOSFET
Partnumber Manufacturer Quantity Availability
SI1403DL VISHAY, SILCONIX 17800 In Stock

Description and Introduction

P-Channel 2.5-V (G-S) MOSFET The SI1403DL is a power MOSFET manufactured by Siliconix (now part of Vishay). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Siliconix (Vishay)  
- **Type:** N-Channel Enhancement Mode MOSFET  
- **Drain-Source Voltage (VDSS):** 30V  
- **Continuous Drain Current (ID):** 6.3A  
- **Pulsed Drain Current (IDM):** 25A  
- **Power Dissipation (PD):** 2.5W  
- **Gate-Source Voltage (VGS):** ±20V  
- **On-Resistance (RDS(on)):** 0.045Ω (max at VGS = 10V)  
- **Threshold Voltage (VGS(th)):** 1V to 2.5V  
- **Input Capacitance (Ciss):** 500pF (typical)  
- **Package:** TO-252 (DPAK)  

### **Descriptions:**
- Designed for high-efficiency switching applications.  
- Low on-resistance for reduced conduction losses.  
- Suitable for power management in DC-DC converters, motor control, and load switching.  

### **Features:**
- **Fast Switching Speed** – Optimized for high-frequency applications.  
- **Low Gate Charge** – Enhances efficiency in switching circuits.  
- **Avalanche Energy Rated** – Improved ruggedness under transient conditions.  
- **Lead-Free & RoHS Compliant** – Meets environmental standards.  

This information is based on the manufacturer's datasheet. For detailed performance curves and application notes, refer to the official documentation.

Application Scenarios & Design Considerations

P-Channel 2.5-V (G-S) MOSFET

Alternative Part Number

  • NTK3134NT1G --: N-channel MOSFET in SOT-323/SC-70 with comparable RDS(on) and voltage rating, suitable drop-in for small-signal switching applications.
  • DMG3415U-7 --: P-channel MOSFET in SOT-23 with similar low on-resistance and threshold voltage, widely available and cost-effective alternative.
  • BSS138LT1G --: Popular N-channel logic-level MOSFET in SOT-23, commonly used as a general-purpose replacement for small-signal switching where exact parameters are not critical.
  • AO3401A --: P-channel MOSFET in SOT-23 with comparable Vds and low Rds(on), widely used as a drop-in replacement for small-signal P-channel parts like the SI1403DL.
  • DMG2301L --: P-channel enhancement-mode MOSFET in SOT-23 rated around -20V, offering similar on-resistance and gate threshold, suitable for load-switch and level-shift applications.
  • PMV65XP --: P-channel MOSFET in SOT-23 with low threshold voltage and small package, a common alternative for low-voltage switching circuits where the SI1403DL is used.

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