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SMAJ51CA from MICROSEMI

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SMAJ51CA

Manufacturer: MICROSEMI, CONCORD, FAIRCHILD, Littelfu..

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ51CA MICROSEMI, CONCORD, FAIRCHILD, Littelfu.. 211000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ51CA is a Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Part Number:** SMAJ51CA  
- **Manufacturer:** Littelfuse  
- **Type:** Bidirectional TVS Diode  
- **Peak Pulse Power (10/1000µs):** 600W  
- **Breakdown Voltage (VBR):** 56.8V (min) to 62.7V (max)  
- **Standoff Voltage (VRWM):** 51V  
- **Clamping Voltage (VC):** 82.5V at 10A  
- **Maximum Reverse Leakage Current (IR):** 1µA at VRWM  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMA (DO-214AC)  

### **Descriptions:**  
- Designed to protect sensitive electronics from voltage transients and surges.  
- Bidirectional configuration allows clamping of both positive and negative voltage spikes.  
- Suitable for applications requiring robust ESD, lightning, and surge protection.  

### **Features:**  
- **Low Clamping Voltage:** Ensures effective protection for sensitive components.  
- **High Surge Capability:** Handles high transient currents.  
- **RoHS Compliant:** Meets environmental standards.  
- **Fast Response Time:** Reacts quickly to transient events.  
- **Reliable Performance:** Suitable for industrial, automotive, and telecom applications.  

This information is based on Littelfuse's datasheet for the SMAJ51CA. For detailed specifications, refer to the official documentation.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • SMBJ51CA --: Same 51V bidirectional TVS in a larger SMB package, offering higher surge rating and a different series prefix for easy distinction.
  • P6SMB51CA --: 51V bidirectional transient voltage suppressor with comparable clamping voltage, from a different product family and manufacturer.
  • 1SMB51CA --: Bidirectional 51V TVS diode in SMB package with similar electrical characteristics, using a distinct naming series.
  • 1.5SMC51CA --: 1500W bidirectional TVS diode at 51V standoff in SMC package, suitable when higher surge capability is acceptable in place of the SMAJ part.
  • 1SMB51CAT3G --: Bidirectional 51V TVS in SMB package from a major supplier, offering comparable protection characteristics and good availability.

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