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MBR1645. from ON,ON Semiconductor

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MBR1645.

Manufacturer: ON

Through-Hole Schottky Rectifiers

Partnumber Manufacturer Quantity Availability
MBR1645.,MBR1645 ON 100 In Stock

Description and Introduction

Through-Hole Schottky Rectifiers The MBR1645 is a Schottky barrier rectifier manufactured by ON Semiconductor.  

### **Specifications:**  
- **Voltage Rating (Vr):** 45V  
- **Average Forward Current (If):** 16A  
- **Peak Forward Surge Current (Ifsm):** 150A  
- **Forward Voltage Drop (Vf):** 0.55V (typical) at 8A  
- **Reverse Leakage Current (Ir):** 0.5mA (typical) at 45V  
- **Operating Junction Temperature (Tj):** -65°C to +175°C  
- **Package:** TO-220AB  

### **Descriptions and Features:**  
- Designed for high-efficiency rectification in power supplies and converters.  
- Low forward voltage drop for reduced power loss.  
- High current capability with good thermal performance.  
- Guard ring for enhanced ruggedness and reliability.  
- Lead-free and RoHS compliant.  

This rectifier is commonly used in switching power supplies, DC-DC converters, and reverse polarity protection circuits.

Application Scenarios & Design Considerations

Through-Hole Schottky Rectifiers

Alternative Part Number

  • SBR10U45 --: Super barrier rectifier with 45V/10A rating, similar forward voltage and low leakage, direct functional replacement for MBR1645 in most power supply designs.
  • STPS1545 --: Schottky rectifier rated 45V/15A, higher current margin than MBR1645, same TO-220 package and comparable Vf, suitable drop-in alternative.
  • VS-15CTQ045 --: Dual common-cathode Schottky 45V/15A in TO-220, matches MBR1645's dual-diode configuration and voltage class with extra current headroom.

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