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SMF33A from VISHAY

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SMF33A

Manufacturer: VISHAY

Zener Transient Voltage Suppressor SOD−123 Flat Lead Package

Partnumber Manufacturer Quantity Availability
SMF33A VISHAY 40000 In Stock

Description and Introduction

Zener Transient Voltage Suppressor SOD−123 Flat Lead Package The SMF33A is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay.  

### **Specifications:**  
- **Voltage - Reverse Standoff (VRWM):** 33V  
- **Voltage - Breakdown (VBR):** 36.7V (Min), 40.5V (Max)  
- **Voltage - Clamping (VC):** 53.3V at 10A  
- **Current - Peak Pulse (IPP):** 10A (8/20µs)  
- **Power - Peak Pulse (PPP):** 600W  
- **Operating Temperature:** -55°C to +150°C  
- **Package:** DO-214AA (SMB)  

### **Descriptions:**  
- Designed to protect sensitive electronics from voltage transients and surges.  
- Low clamping voltage for effective overvoltage protection.  
- RoHS compliant and halogen-free.  

### **Features:**  
- Fast response time.  
- High surge capability.  
- Bidirectional configuration (for some variants).  
- Suitable for automotive, industrial, and telecom applications.  

For exact details, refer to the official Vishay datasheet.

Application Scenarios & Design Considerations

Zener Transient Voltage Suppressor SOD−123 Flat Lead Package

Alternative Part Number

  • SMAJ33A --: Same 33V standoff unidirectional TVS in SMA package with comparable 400W peak pulse rating; widely available and pin-compatible.
  • P4SMA33A --: 400W unidirectional TVS diode with 33V standoff in SMA outline, matching the SMF33A's clamping behavior for transient protection.
  • SMBJ33A --: 600W unidirectional TVS with 33V standoff in SMB package; higher surge rating provides margin and is a common drop-in upgrade.

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