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STPS40SM100CR from ST,ST Microelectronics

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STPS40SM100CR

Manufacturer: ST

Power Schottky Rectifier
Partnumber Manufacturer Quantity Availability
STPS40SM100CR ST 100 In Stock

Description and Introduction

Power Schottky Rectifier The STPS40SM100CR is a Schottky rectifier manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Voltage Rating (V_RRM):** 100V  
- **Average Forward Current (I_F(AV)):** 40A  
- **Peak Forward Surge Current (I_FSM):** 400A  
- **Forward Voltage Drop (V_F):** 0.76V (typical at 20A)  
- **Reverse Leakage Current (I_R):** 2mA (typical at 100V)  
- **Operating Junction Temperature (T_J):** -65°C to +175°C  
- **Package:** TO-247  

### **Descriptions:**  
- High-efficiency Schottky rectifier for power applications.  
- Designed for low forward voltage drop and high current capability.  
- Suitable for switch-mode power supplies (SMPS), DC-DC converters, and freewheeling diodes.  

### **Features:**  
- **Low Power Losses:** Optimized for high efficiency.  
- **High Surge Current Capability:** Withstands high transient currents.  
- **Guard Ring for Enhanced Reliability:** Protects against reverse voltage spikes.  
- **Epitaxial Construction:** Ensures high performance and ruggedness.  
- **RoHS Compliant:** Meets environmental standards.  

This information is based on STMicroelectronics' official datasheet for the STPS40SM100CR.

Application Scenarios & Design Considerations

Power Schottky Rectifier

Alternative Part Number

  • MBRB40100CT --: Dual common-cathode Schottky rectifier rated 40 A total (20 A per leg) at 100 V, matching the STPS40SM100CR's dual-diode configuration and voltage/current class; widely available and pin-compatible in TO-220/DPAK packages.
  • VS-40CPQ100PbF --: 40 A, 100 V dual Schottky rectifier in common-cathode configuration, a direct functional equivalent to the STPS40SM100CR with similar forward voltage and thermal characteristics.
  • SBR40U100CT --: 40 A, 100 V dual Schottky barrier rectifier with common-cathode topology, offering comparable current rating and reverse voltage as a drop-in alternative to the STPS40SM100CR.

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