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SMBJ400CA from Littelfu..

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SMBJ400CA

Manufacturer: Littelfu..

Silicon Avalanche Diodes - 600W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
SMBJ400CA Littelfu.. 58000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 600W Surface Mount Transient Voltage Supressors The SMBJ400CA is a Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse.  

### **Specifications:**  
- **Voltage - Reverse Standoff (VRWM):** 400V  
- **Voltage - Breakdown (VBR):** Min 444V, Typ 493V  
- **Voltage - Clamping (VC):** 648V at 10A (IPP)  
- **Peak Pulse Current (IPP):** 10A (8/20µs)  
- **Power - Peak Pulse (PPP):** 400W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AA (SMB)  

### **Descriptions and Features:**  
- **Bidirectional TVS Diode:** Protects against both positive and negative transient voltages.  
- **Low Clamping Voltage:** Provides effective surge protection.  
- **Fast Response Time:** Reacts quickly to transient events.  
- **High Surge Capability:** Handles high-energy transients.  
- **RoHS Compliant:** Meets environmental standards.  
- **Applications:** Used for overvoltage protection in telecommunications, industrial equipment, and power supplies.  

This information is based on Littelfuse’s official datasheet for the SMBJ400CA.

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 600W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • P6SMB440CA --: Same SMB (DO-214AA) package bidirectional TVS with comparable 400V-class standoff and clamping performance; widely available and pin-compatible.
  • 1.5SMC440CA --: Bidirectional TVS in SMC (DO-214AB) package with similar high-voltage standoff and higher surge rating; good drop-in for robust clamping.
  • SMAJ400CA --: Bidirectional TVS in SMA package with matching 400V standoff voltage; lower surge capability but suitable for space-constrained designs.

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