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SMAJ10CA from CONCORD

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SMAJ10CA

Manufacturer: CONCORD, FAIRCHILD, Littelfu.., MICROSEMI

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ10CA CONCORD, FAIRCHILD, Littelfu.., MICROSEMI 211000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ10CA is a transient voltage suppressor (TVS) diode manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Voltage - Reverse Standoff (V₃₀):** 10V  
- **Voltage - Breakdown (VBR):** 11.1V (min) to 12.3V (max)  
- **Voltage - Clamping (VCL):** 16.7V at 10A (IPP)  
- **Current - Peak Pulse (IPP):** 10A (8/20µs)  
- **Power - Peak Pulse (PPP):** 400W  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**
- The SMAJ10CA is a **bidirectional** TVS diode designed to protect sensitive electronics from voltage transients and surges.  
- It is housed in a **DO-214AC (SMA) package**, making it suitable for surface-mount applications.  
- The device complies with **IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge)** standards.  

### **Features:**
- **Low Clamping Voltage:** Provides effective transient suppression.  
- **Fast Response Time:** Responds to transients in **picoseconds**.  
- **High Surge Capability:** Handles high peak pulse currents.  
- **Bidirectional Protection:** Guards against both positive and negative voltage spikes.  
- **RoHS Compliant:** Meets environmental standards.  

This diode is commonly used in **telecommunications, industrial controls, power supplies, and automotive electronics** for ESD and surge protection.  

(Note: Fairchild Semiconductor was acquired by ON Semiconductor in 2016, but legacy part numbers like SMAJ10CA remain in use.)

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • P6SMB10CA --: Same 10V bidirectional TVS in SMB package with comparable clamping and surge rating, widely available and pin-compatible.
  • SMBJ10CA --: Direct SMB bidirectional TVS alternative with 10V standoff and similar peak pulse power, from a different series and vendor.
  • 1KSMB10CA --: SMB bidirectional TVS with 10V standoff and higher surge capability, suitable drop-in replacement when extra margin is acceptable.
  • P6SMB12CA --: Bidirectional TVS diode in SMB package with comparable 10V standoff class and higher peak pulse power, widely available and a common drop-in for SMAJ10CA.
  • 1SMB12CAT3G --: Bidirectional SMB TVS diode with 12V standoff and similar surge rating, offered by a major supplier as a practical alternative to the SMAJ10CA.
  • 1SMB10CAT3G --: Bidirectional 10V TVS diode in SMB package with comparable surge rating, from a different series and manufacturer.

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