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SMAJ18CA-TR from ST,ST Microelectronics

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SMAJ18CA-TR

Manufacturer: ST

TRANSIL
Partnumber Manufacturer Quantity Availability
SMAJ18CA-TR,SMAJ18CATR ST 82500 In Stock

Description and Introduction

TRANSIL The SMAJ18CA-TR is a bidirectional TVS diode manufactured by STMicroelectronics.  

**Specifications:**  
- **Voltage - Reverse Standoff (Typ):** 18V  
- **Voltage - Breakdown (Min):** 20V  
- **Voltage - Clamping (Max) @ Ipp:** 29.2V @ 1A  
- **Current - Peak Pulse (10/1000μs):** 1A  
- **Power - Peak Pulse:** 400W  
- **Operating Temperature:** -55°C to +150°C  
- **Package / Case:** DO-214AC (SMA)  
- **Mounting Type:** Surface Mount  
- **RoHS Compliant:** Yes  

**Descriptions and Features:**  
- Designed to protect sensitive electronics from high-voltage transients.  
- Bidirectional polarity for versatile circuit protection.  
- Low clamping voltage for effective overvoltage protection.  
- Fast response time for transient suppression.  
- Suitable for applications like power supplies, communication lines, and automotive systems.  
- Compliant with AEC-Q101 for automotive-grade reliability.  

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

Application Scenarios & Design Considerations

TRANSIL

Alternative Part Number

  • P6SMB18CA --: Same 18V bidirectional TVS clamping function in a comparable SMB package, widely available and a common drop-in substitute.
  • SMBJ18CA --: Direct 18V bidirectional TVS in SMB (DO-214AA) with similar peak pulse power rating, from a different series and manufacturer.
  • 1SMB18CAT3G --: 18V bidirectional transient voltage suppressor in SMB package with equivalent clamping characteristics, offered by a major alternate supplier.

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