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SMAJ48A from CONCORD

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SMAJ48A

Manufacturer: CONCORD, FAIRCHILD, MICROSEMI

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ48A CONCORD, FAIRCHILD, MICROSEMI 113000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The **SMAJ48A** 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 Ic-phoenix technical data files:  

### **Specifications:**  
- **Part Number:** SMAJ48A  
- **Manufacturer:** Microsemi  
- **Type:** Uni-directional TVS Diode  
- **Peak Pulse Power (10/1000μs):** 400W  
- **Breakdown Voltage (VBR):** 53.3V (min) – 58.9V (max)  
- **Standoff Voltage (VRWM):** 48V  
- **Clamping Voltage (VC):** 77.4V (at 16.5A)  
- **Peak Pulse Current (IPP):** 16.5A  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMA (DO-214AC)  

### **Descriptions:**  
- Designed for **ESD protection** and **transient voltage suppression** in electronic circuits.  
- Protects sensitive components from voltage spikes, surges, and electrostatic discharge (ESD).  
- **Uni-directional** (polarized) TVS diode, meaning it clamps voltage spikes in one direction.  

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

For detailed datasheet information, refer to Microsemi’s official documentation.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • P6SMB56A --: SMB-packaged unidirectional TVS with a comparable standoff voltage and clamping performance, widely available and a common drop-in for SMAJ48A.
  • SMBJ48A --: Same SMB footprint and 48V standoff unidirectional TVS, directly interchangeable in most surge-protection designs.
  • 1SMB48AT3G --: SMB unidirectional TVS diode with 48V standoff and similar surge rating, a well-stocked alternative from a major supplier.
  • P6SMB51A --: Similar 600W unidirectional TVS in SMB package with a close standoff voltage, widely available and a common drop-in substitute for SMAJ48A.
  • SMAJ48A-E3/61 --: Same SMAJ series 400W unidirectional TVS with 48V standoff, direct electrical equivalent from a major supplier.
  • P4SMA48A --: 400W SMA-pack unidirectional TVS with matching 48V standoff voltage, suitable drop-in replacement.

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