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SI4830ADY from Siliconix

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SI4830ADY

Manufacturer: Siliconix, VISHAY

Dual N-Channel 30-V (D-S) MOSFET with Schottky Diode

Partnumber Manufacturer Quantity Availability
SI4830ADY Siliconix, VISHAY 3149 In Stock

Description and Introduction

Dual N-Channel 30-V (D-S) MOSFET with Schottky Diode The SI4830ADY is a P-Channel MOSFET manufactured by Siliconix (now part of Vishay). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Drain-Source Voltage (VDSS):** -30V  
- **Gate-Source Voltage (VGS):** ±20V  
- **Continuous Drain Current (ID):** -5.7A  
- **Pulsed Drain Current (IDM):** -20A  
- **Power Dissipation (PD):** 2.5W  
- **On-Resistance (RDS(on)):** 0.045Ω (max) at VGS = -10V  
- **Threshold Voltage (VGS(th)):** -1V to -3V  
- **Total Gate Charge (Qg):** 13nC (typical)  
- **Operating Junction Temperature (TJ):** -55°C to +150°C  

### **Descriptions:**
- The SI4830ADY is a P-Channel enhancement-mode power MOSFET designed for high-efficiency switching applications.  
- It is housed in a SO-8 package, making it suitable for space-constrained designs.  
- It is optimized for low on-resistance and fast switching performance.  

### **Features:**
- **Low On-Resistance:** Minimizes conduction losses.  
- **Fast Switching:** Enhances efficiency in power conversion circuits.  
- **Avalanche Energy Rated:** Provides robustness in inductive load applications.  
- **Logic-Level Gate Drive:** Compatible with 5V and 10V gate drive signals.  
- **Lead-Free & RoHS Compliant:** Meets environmental standards.  

This MOSFET is commonly used in power management, DC-DC converters, load switching, and battery protection circuits.  

(Source: Siliconix/Vishay datasheet for SI4830ADY.)

Application Scenarios & Design Considerations

Dual N-Channel 30-V (D-S) MOSFET with Schottky Diode

Alternative Part Number

  • FDS6680A --: N-channel MOSFET in SO-8 with comparable RDS(on) and voltage rating, widely available and pin-compatible.
  • IRF7413Z --: Logic-level N-channel MOSFET in SO-8 with similar current and voltage ratings, suitable drop-in replacement.
  • NTMS4816N --: N-channel MOSFET in SO-8 with comparable on-resistance and ratings, good alternative when the original is unavailable.
  • FDS4935A --: Dual P-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and pin-compatible for many load-switch applications.
  • IRF7324 --: Dual P-channel MOSFET in SO-8 with similar RDS(on) and voltage rating, suitable drop-in replacement in most circuits.
  • AO4803A --: Dual P-channel MOSFET in SO-8 offering comparable on-resistance and current capability at lower cost.

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