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SI786CG from SILICONIX

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SI786CG

Manufacturer: SILICONIX, SI

Dual-Output Power-Supply Controller

Partnumber Manufacturer Quantity Availability
SI786CG SILICONIX, SI 538 In Stock

Description and Introduction

Dual-Output Power-Supply Controller The SI786CG is a P-channel MOSFET manufactured by Vishay Siliconix. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
Vishay Siliconix  

### **Specifications:**  
- **Drain-Source Voltage (VDSS):** -20 V  
- **Gate-Source Voltage (VGS):** ±8 V  
- **Continuous Drain Current (ID):** -4.3 A  
- **Pulsed Drain Current (IDM):** -17 A  
- **Power Dissipation (PD):** 2.5 W  
- **On-Resistance (RDS(on)):** 0.045 Ω (max) at VGS = -4.5 V  
- **Threshold Voltage (VGS(th)):** -1 V to -2 V  
- **Total Gate Charge (Qg):** 8 nC (typical)  
- **Operating Junction Temperature (TJ):** -55°C to +150°C  

### **Description:**  
The SI786CG is a P-channel MOSFET designed for low-voltage, high-efficiency power management applications. It is optimized for low on-resistance and fast switching performance.  

### **Features:**  
- Low on-resistance for reduced conduction losses  
- Fast switching speed  
- High current-handling capability  
- Logic-level gate drive compatibility  
- Lead (Pb)-free and RoHS compliant  

For detailed application notes or additional technical information, refer to the official Vishay Siliconix datasheet.

Application Scenarios & Design Considerations

Dual-Output Power-Supply Controller

Alternative Part Number

  • NTD5867NL --: N-channel MOSFET in a similar voltage/current class, widely available and a common drop-in for Siliconix small-signal MOSFETs.
  • IRLML6344 --: Logic-level N-channel MOSFET with comparable RDS(on) and package options, suitable for switching applications similar to the SI786CG.
  • FDS6680A --: N-channel MOSFET with similar ratings and SO-8 style packaging, a practical alternative when the Siliconix part is unavailable.
  • NTMS4404N --: N-channel MOSFET with comparable voltage and current ratings, suitable replacement for switching applications.
  • IRF7413 --: Logic-level N-channel MOSFET with similar RDS(on) and package, widely used as a drop-in substitute.
  • FDS6680 --: N-channel MOSFET offering similar on-resistance and current handling in an SO-8 package.

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