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SMAJ120A from CONCORD

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SMAJ120A

Manufacturer: CONCORD, FAIRCHILD, MICROSEMI

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ120A CONCORD, FAIRCHILD, MICROSEMI 145000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The **SMAJ120A** from **MICROSEMI** is a **Transient Voltage Suppressor (TVS) Diode** designed for surge protection in electronic circuits.  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 120V  
- **Voltage - Breakdown (V_BR):** 133V (Min)  
- **Voltage - Clamping (V_CL):** 193V (Max) at 10A  
- **Peak Pulse Current (I_PP):** 10A (8/20µs)  
- **Power - Peak Pulse (P_PP):** 400W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions and Features:**  
- **Bidirectional TVS Diode** for protecting sensitive electronics from voltage transients.  
- **Low Clamping Voltage** ensures effective suppression of overvoltage events.  
- **Fast Response Time** (typically in picoseconds) for quick reaction to transient spikes.  
- **High Surge Capability** for robust protection against ESD, lightning, and inductive switching.  
- **RoHS Compliant** and lead-free for environmental safety.  

This diode is commonly used in **telecommunications, automotive, industrial, and consumer electronics** for surge protection.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • P6SMB120A --: Same 120V standoff unidirectional TVS in SMB package with comparable clamping voltage and peak pulse power, widely available and drop-in compatible.
  • SMBJ120A --: Industry-standard 120V unidirectional TVS diode in SMB (DO-214AA) with 600W peak pulse rating, directly interchangeable with SMAJ120A.
  • 1SMB120AT3G --: 120V unidirectional SMB TVS with similar surge capability and package footprint, suitable as a functional replacement.
  • 1.5SMC120A --: 1500W unidirectional TVS diode with 120V standoff, offers higher surge capability and is a suitable upgrade substitute in SMC package.

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