IC Phoenix logo

Home ›  S  › S28 > SI7940DP

SI7940DP from VISHAY

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

SI7940DP

Manufacturer: VISHAY

Dual N-Channel 12-V (D-S) MOSFET
Partnumber Manufacturer Quantity Availability
SI7940DP VISHAY 459 In Stock

Description and Introduction

Dual N-Channel 12-V (D-S) MOSFET **Part Number:** SI7940DP  
**Manufacturer:** VISHAY  

**Specifications:**  
- **Type:** Dual P-Channel MOSFET  
- **Voltage Rating (VDS):** -40V  
- **Current Rating (ID):** -5.3A  
- **Power Dissipation (PD):** 2W  
- **On-Resistance (RDS(on)):** 0.28Ω (max) at VGS = -10V  
- **Gate Threshold Voltage (VGS(th)):** -1V to -3V  
- **Input Capacitance (Ciss):** 300pF (typ)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** PowerPAK® SO-8  

**Descriptions:**  
The SI7940DP is a dual P-Channel MOSFET designed for high-efficiency power management applications. It features low on-resistance and fast switching performance.  

**Features:**  
- Dual P-Channel MOSFET in a single package  
- Low gate charge for reduced switching losses  
- Optimized for high-density power applications  
- RoHS compliant  
- Lead-free and halogen-free  

(Source: VISHAY datasheet)

Application Scenarios & Design Considerations

Dual N-Channel 12-V (D-S) MOSFET

Alternative Part Number

  • FDS8958A --: Dual N-channel MOSFET in SO-8 with comparable RDS(on) and voltage rating, widely available and pin-compatible for many SI7940DP applications.
  • IRF7341 --: Dual N-channel MOSFET in SO-8 offering similar current and voltage ratings, a common drop-in style alternative from a different series.
  • AO4800 --: Dual N-channel MOSFET in SO-8 with low RDS(on) and comparable specifications, suitable as a cost-effective alternative.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips