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STPS640CT from ST,ST Microelectronics

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STPS640CT

Manufacturer: ST

POWER SCHOTTKY RECTIFIER

Partnumber Manufacturer Quantity Availability
STPS640CT ST 150 In Stock

Description and Introduction

POWER SCHOTTKY RECTIFIER The **STPS640CT** is a **Schottky Rectifier** manufactured by **STMicroelectronics**.  

### **Key Specifications:**  
- **Voltage Rating (VRRM):** 40 V  
- **Average Forward Current (IF(AV)):** 6 A  
- **Peak Forward Surge Current (IFSM):** 150 A  
- **Forward Voltage Drop (VF):** Typically 0.55 V at 6 A  
- **Reverse Leakage Current (IR):** 1 mA at 40 V  
- **Junction Temperature Range (Tj):** -65°C to +175°C  

### **Package:**  
- **TO-220AB** (3-pin)  

### **Features:**  
- **Low forward voltage drop** for high efficiency  
- **High current capability**  
- **Guard ring for enhanced ruggedness**  
- **Epitaxial construction for high reliability**  
- **AEC-Q101 qualified** (for automotive applications)  

### **Applications:**  
- Power supplies  
- DC-DC converters  
- Reverse polarity protection  
- Freewheeling diodes  

This diode is designed for **high-efficiency rectification** in various power management applications.

Application Scenarios & Design Considerations

POWER SCHOTTKY RECTIFIER

Alternative Part Number

  • MBR1045CT --: Dual common-cathode Schottky rectifier with 10A per leg and 45V rating, close electrical match to the STPS640CT in the same TO-220 package.
  • SBL1040CT --: Dual Schottky rectifier rated 10A per leg at 40V, directly interchangeable in most 40V dual-diode applications with similar forward drop.
  • MBR2045CT --: Higher-current dual Schottky (20A total) at 45V that provides extra margin and can replace the STPS640CT where thermal headroom is beneficial.

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