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SMAJ48CA from CONCORD

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SMAJ48CA

Manufacturer: CONCORD, FAIRCHILD, Littelfu.., MICROSEMI

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ48CA CONCORD, FAIRCHILD, Littelfu.., MICROSEMI 211000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ48CA is a transient voltage suppressor (TVS) diode manufactured by Microsemi (now part of Microchip Technology). Below are its key specifications, descriptions, and features based on factual data:  

### **Specifications:**  
- **Voltage - Reverse Standoff (V₃₀):** 48V  
- **Voltage - Breakdown (VBR):** 53.3V (min)  
- **Voltage - Clamping (VCL):** 77.4V (max) at 10A  
- **Peak Pulse Current (IPP):** 10A (8/20μs waveform)  
- **Power - Peak Pulse (PPP):** 400W (8/20μs)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**  
- Designed to protect sensitive electronics from voltage transients and surges.  
- Bidirectional TVS diode, meaning it clamps both positive and negative voltage spikes.  
- Low leakage current in standby mode.  
- Fast response time (typically <1ns).  

### **Features:**  
- **High Surge Capability:** Handles high transient currents.  
- **Low Clamping Voltage:** Provides effective protection for downstream components.  
- **RoHS Compliant:** Meets environmental standards.  
- **Automotive Grade:** Suitable for harsh environments (AEC-Q101 qualified).  
- **Reliable Performance:** Robust construction for long-term reliability.  

This information is sourced from Microsemi's official datasheets and product documentation.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • SMBJ48CA --: Same 48V bidirectional TVS diode in a larger SMB package, offering higher surge rating and widely available as a drop-in functional replacement.
  • P6SMB48CA --: Bidirectional 48V TVS in SMB package with comparable clamping voltage and power rating, suitable when board space allows a slightly larger footprint.
  • 1.5SMC48CA --: 1500W bidirectional TVS diode at 48V standoff in SMC package, providing similar protection characteristics with higher peak pulse power capability.
  • P6SMB51CA --: Bidirectional TVS diode in SMB package with comparable 51V standoff and similar clamping performance, widely available and pin-compatible.
  • 1SMB51CAT3G --: Bidirectional 51V TVS in SMB (DO-214AA) package, same footprint and surge rating class, direct drop-in replacement.
  • 1SMB48CA --: 48V bidirectional transient voltage suppressor in SMB package offering comparable standoff voltage and surge protection.

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