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SMAJ90A from CONCORD

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SMAJ90A

Manufacturer: CONCORD, FAIRCHILD, MICROSEMI

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ90A CONCORD, FAIRCHILD, MICROSEMI 145000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The **SMAJ90A** is a **Transient Voltage Suppressor (TVS) Diode** manufactured by **Microsemi** (now part of **Microchip Technology**).  

### **Specifications:**  
- **Voltage - Reverse Standoff (Vrwm):** 90V  
- **Voltage - Breakdown (Vbr):** 100V (min)  
- **Voltage - Clamping (Vc):** 146V (max) at 23.2A  
- **Peak Pulse Current (Ipp):** 23.2A (8/20μs)  
- **Power - Peak Pulse (Ppp):** 600W  
- **Package / Case:** DO-214AC (SMA)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Mounting Type:** Surface Mount  

### **Descriptions and Features:**  
- **Unidirectional TVS Diode** (protects against positive voltage transients).  
- **Fast response time** for surge protection.  
- **Low clamping voltage** for effective transient suppression.  
- **High surge capability** for robust circuit protection.  
- **RoHS compliant** and halogen-free.  
- **Applications:** Used in **telecommunications, industrial, automotive, and consumer electronics** for ESD and transient voltage protection.  

This diode is designed to protect sensitive electronics from voltage spikes caused by lightning, inductive load switching, and electrostatic discharge (ESD).  

(Note: Always verify datasheet details for exact specifications.)

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • P4SMA90A --: Same 400W SMA-package unidirectional TVS with 90V standoff and similar clamping, direct functional equivalent from a major brand.
  • SMBJ90A --: 600W SMB unidirectional TVS with 90V standoff; higher surge rating in a slightly larger package, good drop-in upgrade when board space allows.
  • 1SMA90AT3G --: 400W SMA unidirectional TVS with 90V standoff from a well-known supplier, matches the original package and electrical role.
  • P6SMB100A --: SMB-packaged unidirectional TVS with comparable standoff voltage and clamping performance, widely available and pin-compatible.
  • 1SMB90AT3G --: SMB unidirectional TVS diode with 90V standoff and similar surge rating, suitable drop-in replacement.
  • P6SMB90A --: Same 90V standoff unidirectional TVS in SMB package with comparable clamping and surge rating, widely available and pin-compatible.

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