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SMBJ48CA from FAIRCHILD,Fairchild Semiconductor

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SMBJ48CA

Manufacturer: FAIRCHILD, GSI, CONCORD, MICROSEMI

Zener TVSs
Partnumber Manufacturer Quantity Availability
SMBJ48CA FAIRCHILD, GSI, CONCORD, MICROSEMI 114000 In Stock

Description and Introduction

Zener TVSs The SMBJ48CA is a bidirectional TVS (Transient Voltage Suppressor) diode manufactured by FAIRCHILD. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Voltage - Reverse Standoff (Typ):** 48V  
- **Voltage - Breakdown (Min):** 53.3V  
- **Voltage - Clamping (Max) @ Ipp:** 77.4V  
- **Current - Peak Pulse (10/1000µs):** 24.3A  
- **Power - Peak Pulse:** 600W  
- **Operating Temperature:** -55°C to +150°C  
- **Package / Case:** DO-214AA (SMB)  
- **Mounting Type:** Surface Mount  
- **Polarity:** Bidirectional  

### **Descriptions:**  
- Designed to protect sensitive electronic components from voltage transients and surges.  
- Bidirectional configuration allows clamping of both positive and negative voltage spikes.  
- Low incremental surge resistance for effective transient suppression.  

### **Features:**  
- **Fast Response Time:** Reacts quickly to transient events.  
- **High Surge Capability:** Handles high peak pulse currents.  
- **RoHS Compliant:** Meets environmental standards.  
- **Reliable Performance:** Ensures robust protection in harsh conditions.  

This information is based on the manufacturer's datasheet for the SMBJ48CA by FAIRCHILD.

Application Scenarios & Design Considerations

Zener TVSs

Alternative Part Number

  • P6SMB48CA --: Same SMB (DO-214AA) package, 48V bidirectional TVS with comparable clamping voltage and peak pulse power, widely available and pin-compatible.
  • 1SMB48CAT3G --: Bidirectional 48V TVS in SMB package with similar surge rating, direct drop-in replacement from a major supplier.
  • SMAJ48CA --: Bidirectional 48V TVS with similar electrical characteristics; SMA package is smaller but electrically compatible for lower-power designs, useful when SMB is unavailable.
  • P6SMB51CA --: Same SMB (DO-214AA) package bidirectional TVS with a comparable 51V standoff voltage, widely available and a common drop-in for 48V clamping applications.
  • 1SMB51CAT3G --: Bidirectional 51V TVS diode in the SMB package from a major supplier, offering similar surge rating and clamping performance for 48V rail protection.
  • 1SMB51CA --: Bidirectional 600W SMB TVS diode with comparable clamping characteristics, from a different series and a well-established supplier.

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