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SMBJ70CA from FAIRCHILD,Fairchild Semiconductor

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SMBJ70CA

Manufacturer: FAIRCHILD, CONCORD, MICROSEMI

Zener TVSs

Partnumber Manufacturer Quantity Availability
SMBJ70CA FAIRCHILD, CONCORD, MICROSEMI 113000 In Stock

Description and Introduction

Zener TVSs The SMBJ70CA is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by **FAIRCHILD**.  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 70V  
- **Voltage - Breakdown (V_BR):** 77.8V (Min)  
- **Voltage - Clamping (V_C):** 112V @ 10A  
- **Peak Pulse Current (I_PP):** 10A (8/20µs)  
- **Power - Peak Pulse (P_PP):** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package / Case:** DO-214AA (SMB)  
- **Diode Type:** Bidirectional  

### **Descriptions:**  
The SMBJ70CA is designed to protect sensitive electronics from high-voltage transients, such as ESD, lightning, and inductive load switching. It provides bidirectional clamping, making it suitable for AC or DC circuits.  

### **Features:**  
- **Low Clamping Voltage**  
- **Fast Response Time**  
- **High Surge Capability**  
- **RoHS Compliant**  
- **Bidirectional TVS Diode**  

For detailed electrical characteristics and application notes, refer to the official **FAIRCHILD datasheet**.

Application Scenarios & Design Considerations

Zener TVSs

Alternative Part Number

  • P6SMB75CA --: Same SMB (DO-214AA) package bidirectional TVS with 75V standoff, close to 70V, from a different series and manufacturer.
  • 1SMB75CAT3G --: Bidirectional 75V SMB TVS diode, same package and clamping behavior, different naming series for easy distinction.
  • SMAJ70CA --: Bidirectional 70V TVS in SMA package; slightly lower power rating but same standoff voltage and function, different series prefix.
  • 1SMB70CAT3G --: Bidirectional 70V standoff TVS in SMB package from a major supplier, suitable drop-in replacement.

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