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SMAJ58A from SEMITEH

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SMAJ58A

Manufacturer: SEMITEH, FAIRCHILD, VISHAY, MICROSEMI, CONCORD

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ58A SEMITEH, FAIRCHILD, VISHAY, MICROSEMI, CONCORD 117800 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ58A is a transient voltage suppressor (TVS) diode manufactured by Microsemi (now part of Microchip Technology). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Voltage - Reverse Standoff (V₃ᵣ):** 58V  
- **Voltage - Breakdown (V₍BR₎):** 64.4V (min)  
- **Voltage - Clamping (V₍C₎):** 93.6V (max) at 10A (I₍PP₎)  
- **Peak Pulse Current (I₍PP₎):** 10A (8/20µs waveform)  
- **Power - Peak Pulse (P₍PP₎):** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package / Case:** DO-214AC (SMA)  

### **Description:**  
The SMAJ58A is a unidirectional TVS diode designed to protect sensitive electronics from voltage transients, such as ESD (electrostatic discharge), lightning, and other surge events. It clamps transient voltages to safe levels, ensuring circuit protection.  

### **Features:**  
- **Low Clamping Voltage:** Provides effective protection for sensitive components.  
- **Fast Response Time:** Reacts quickly to transient events (typically <1ps).  
- **High Surge Capability:** Handles high peak pulse currents.  
- **Unidirectional Operation:** Protects against positive voltage transients.  
- **RoHS Compliant:** Meets environmental standards.  

This information is based on Microsemi's datasheet and product documentation. For detailed performance curves and application notes, refer to the official datasheet.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • SMAJ58A-E3/61 --: Same SMAJ series 58V unidirectional TVS diode with identical 400W peak pulse rating, widely available from a major manufacturer.
  • P6SMB58A --: 600W SMB-packaged unidirectional TVS with 58V standoff voltage, higher surge capability and drop-in compatible footprint.
  • SMBJ58A --: 600W SMB unidirectional TVS diode with matching 58V working voltage, common cross-reference for SMAJ58A.
  • 1SMB58AT3G --: SMB 58V unidirectional TVS diode with equivalent surge capability and similar electrical characteristics; good second-source option.

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