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SB340 from GS

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SB340

Manufacturer: GS, LT, VISHAY

Through-Hole Schottky Rectifiers

Partnumber Manufacturer Quantity Availability
SB340 GS, LT, VISHAY 4735 In Stock

Description and Introduction

Through-Hole Schottky Rectifiers The SB340 is a Schottky barrier rectifier manufactured by Vishay. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Vishay  
- **Type:** Schottky Barrier Rectifier  
- **Maximum Average Forward Current (IF(AV)):** 3 A  
- **Peak Forward Surge Current (IFSM):** 80 A  
- **Maximum Reverse Voltage (VRRM):** 40 V  
- **Forward Voltage Drop (VF):** 0.5 V (typical at 3 A)  
- **Reverse Leakage Current (IR):** 0.5 mA (typical at 40 V)  
- **Operating Junction Temperature Range (TJ):** -65°C to +125°C  
- **Storage Temperature Range (TSTG):** -65°C to +150°C  

### **Descriptions:**  
- The SB340 is a high-efficiency rectifier designed for low-voltage, high-frequency applications.  
- It is commonly used in switching power supplies, DC-DC converters, and reverse polarity protection circuits.  
- The Schottky barrier technology ensures fast switching and low power loss.  

### **Features:**  
- **Low Forward Voltage Drop:** Enhances efficiency in power-sensitive applications.  
- **High Surge Current Capability:** Suitable for transient conditions.  
- **Fast Switching Speed:** Reduces switching losses in high-frequency circuits.  
- **High Temperature Operation:** Reliable performance in a wide temperature range.  
- **Lead-Free and RoHS Compliant:** Meets environmental standards.  

This information is based on Vishay's official datasheet for the SB340 Schottky diode.

Application Scenarios & Design Considerations

Through-Hole Schottky Rectifiers

Alternative Part Number

  • 1N5819 --: Widely available 40V 1A Schottky diode in DO-41, a common drop-in replacement for SB340 with similar forward current and voltage ratings.
  • SR340 --: 40V 3A Schottky barrier rectifier in DO-201AD with comparable current and voltage specs, suitable for the same rectification role.
  • MBR340 --: 3A 40V Schottky rectifier in DO-201AD offering equivalent ratings and a different series name, making it a clear alternative to SB340.
  • 1N5822 --: Schottky rectifier rated 40V/3A in DO-201AD, directly interchangeable with SB340 for most rectification and freewheeling applications.

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