IC Phoenix logo

Home ›  S  › S29 > SI9947DY

SI9947DY from SI

Fast Delivery, Competitive Price @IC-phoenix

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

SI9947DY

Manufacturer: SI, VISHAY, Siliconix, Siliconix

Dual P-Channel Enhancement-Mode MOSFET

Partnumber Manufacturer Quantity Availability
SI9947DY SI, VISHAY, Siliconix, Siliconix 52222 In Stock

Description and Introduction

Dual P-Channel Enhancement-Mode MOSFET The part **SI9947DY** is manufactured by **Vishay**. Here are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Vishay  
- **Part Number:** SI9947DY  
- **Type:** Dual N-Channel MOSFET  
- **Technology:** Power MOSFET  
- **Package:** SO-8 (Surface Mount)  
- **Drain-Source Voltage (VDS):** 30V  
- **Continuous Drain Current (ID):** 5.7A per channel  
- **RDS(ON) (Max):** 0.035Ω @ VGS = 10V  
- **Gate-Source Voltage (VGS):** ±20V  
- **Power Dissipation (PD):** 2.5W  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**
- The **SI9947DY** is a dual N-channel MOSFET designed for high-efficiency power switching applications.  
- It is optimized for low on-resistance and fast switching performance.  
- Suitable for DC-DC converters, motor control, and power management circuits.  

### **Features:**
- **Low On-Resistance (RDS(ON)):** Enhances efficiency in power applications.  
- **High Current Handling:** Supports up to 5.7A per channel.  
- **Fast Switching Speed:** Improves performance in high-frequency circuits.  
- **Compact SO-8 Package:** Space-saving surface-mount design.  
- **Wide Operating Temperature Range:** Reliable performance in harsh conditions.  

This information is based solely on Vishay's datasheet for the **SI9947DY**.

Application Scenarios & Design Considerations

Dual P-Channel Enhancement-Mode MOSFET

Alternative Part Number

  • FDS4935A --: Dual P-channel MOSFET in SO-8 with comparable voltage and current ratings, widely available and pin-compatible.
  • IRF7324 --: Dual P-channel MOSFET in SO-8 offering similar RDS(on) and current capability, a common drop-in substitute.
  • NTMD4840NR2G --: Dual P-channel MOSFET in SO-8 with matching package and electrical characteristics suitable for the same applications.
  • NTMS4920N --: Dual P-channel MOSFET in SO-8 package with matching electrical characteristics for switching applications.
  • NTMS4935NR2 --: Dual P-channel MOSFET in SO-8 with matching package and electrical characteristics suitable for the same applications.

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