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SMBJ40.0CA

Silicon Avalanche Diodes - 600W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
SMBJ40.0CA,SMBJ400CA 750 In Stock

Description and Introduction

Silicon Avalanche Diodes - 600W Surface Mount Transient Voltage Supressors The SMBJ40.0CA is a surface mount bidirectional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronics from voltage transients and surges.  

### **Manufacturer Specifications:**  
- **Manufacturer:** Littelfuse  
- **Package:** SMB (DO-214AA)  
- **Type:** Bidirectional TVS Diode  
- **Working Peak Reverse Voltage (V_RWM):** 40V  
- **Breakdown Voltage (V_BR):** 44.4V (min) to 49.2V (max)  
- **Clamping Voltage (V_C):** 64.5V at 1A (IPP)  
- **Peak Pulse Current (I_PP):** 1A (8/20µs waveform)  
- **Maximum Reverse Leakage Current (I_R):** 1µA at V_RWM  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
The SMBJ40.0CA is designed for high-speed overvoltage protection in circuits where transient voltage suppression is critical. It is commonly used in power supplies, communication lines, and automotive electronics to safeguard against ESD, lightning, and other transient events.  

### **Features:**  
- **Bidirectional Protection:** Clamps both positive and negative transients.  
- **Low Clamping Voltage:** Provides effective suppression of transients.  
- **High Surge Capability:** Handles peak pulse currents up to 1A.  
- **RoHS Compliant:** Meets environmental standards.  
- **Surface Mount Design:** Compact and suitable for automated assembly.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 600W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • P6SMB43CA --: Bidirectional TVS diode in the P6SMB series with a 43V standoff voltage, close to the 40V rating, offering similar 600W peak pulse power for transient protection.
  • 1.5SMC43CA --: Bidirectional TVS diode with 43V standoff and 1500W peak pulse power, providing higher surge capability as a robust drop-in alternative in the SMC package.
  • SMAJ40CA --: Bidirectional TVS diode with the same 40V standoff voltage in the SMA package, suitable for lower-power applications where board space is limited.

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