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SMCJ14CA from FAIRCHILD,Fairchild Semiconductor

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SMCJ14CA

Manufacturer: FAIRCHILD, MICROSEMI, CONCORD

Zener TVSs
Partnumber Manufacturer Quantity Availability
SMCJ14CA FAIRCHILD, MICROSEMI, CONCORD 113000 In Stock

Description and Introduction

Zener TVSs The SMCJ14CA is a bidirectional TVS (Transient Voltage Suppressor) diode manufactured by MICROSEMI. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Voltage - Reverse Standoff (Typ):** 14V  
- **Voltage - Breakdown (Min):** 15.6V  
- **Voltage - Clamping (Max) @ Ipp:** 22.5V @ 18.2A  
- **Current - Peak Pulse (10/1000µs):** 18.2A  
- **Power - Peak Pulse:** 400W  
- **Operating Temperature:** -55°C to +150°C  
- **Package / Case:** DO-214AB (SMC)  
- **Mounting Type:** Surface Mount  

### **Descriptions:**
- The SMCJ14CA is designed to protect sensitive electronics from high-voltage transients.  
- It is bidirectional, meaning it clamps both positive and negative voltage spikes.  
- Suitable for applications requiring robust ESD (Electrostatic Discharge) and surge protection.  

### **Features:**
- **Low Clamping Voltage:** Ensures effective protection for sensitive components.  
- **Fast Response Time:** Reacts quickly to transient events.  
- **High Surge Capability:** Handles large surge currents.  
- **RoHS Compliant:** Meets environmental standards.  
- **Surface Mount Design:** Compact and suitable for PCB applications.  

This diode is commonly used in telecommunications, automotive, and industrial systems for transient voltage suppression.

Application Scenarios & Design Considerations

Zener TVSs

Alternative Part Number

  • 1.5SMC15CA --: Same SMC (DO-214AB) package bidirectional TVS with a 15V standoff close to the 14V rating, providing comparable clamping and surge protection.
  • P6SMB15CA --: Bidirectional 600W TVS in SMB package with 15V standoff; slightly lower power rating but a common drop-in for 14V clamp applications.
  • SMAJ14CA --: Bidirectional TVS with the same 14V standoff voltage in a smaller SMA package; suitable when board space is tight and 400W surge capability is acceptable.
  • 1SMC14CA --: Same 1500W bidirectional TVS in SMC package with 14V standoff voltage, direct functional equivalent from a major TVS supplier.
  • P6SMB14CA --: Bidirectional 600W TVS with matching 14V standoff; lower power rating but suitable for many clamp applications and widely available.
  • SMAJ15CA --: Bidirectional 400W TVS with a 15V standoff, suitable when board space is tight and surge energy is modest compared with the original 1500W part.

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