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SMBJ90A from FAIRCHILD,Fairchild Semiconductor

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SMBJ90A

Manufacturer: FAIRCHILD, VISHAY, MICROSEMI, CONCORD

Zener TVSs

Partnumber Manufacturer Quantity Availability
SMBJ90A FAIRCHILD, VISHAY, MICROSEMI, CONCORD 113100 In Stock

Description and Introduction

Zener TVSs The SMBJ90A is a transient voltage suppressor (TVS) diode manufactured by FAIRCHILD (now part of ON Semiconductor). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 90V  
- **Voltage - Breakdown (V_BR):** 100V (min)  
- **Voltage - Clamping (V_C):** 146V at 10A (I_PP)  
- **Peak Pulse Current (I_PP):** 10A (8/20µs)  
- **Power - Peak Pulse (P_PP):** 1500W  
- **Operating Temperature:** -55°C to +150°C  
- **Package / Case:** SMB (DO-214AA)  
- **Polarity:** Unidirectional  

### **Descriptions:**  
- The SMBJ90A is designed to protect sensitive electronics from high-voltage transients such as ESD, lightning, and inductive load switching.  
- It provides fast response to transient overvoltage events, clamping the voltage to a safe level.  

### **Features:**  
- **Low Clamping Voltage:** Ensures effective protection for sensitive components.  
- **High Surge Capability:** Withstands high peak pulse currents.  
- **Fast Response Time:** Reacts quickly to transient events.  
- **RoHS Compliant:** Meets environmental standards.  
- **Unidirectional Configuration:** Protects against positive transients only.  

For bidirectional protection, the SMBJ90CA variant is available.  

(Note: Always verify the latest datasheet from ON Semiconductor for updated specifications.)

Application Scenarios & Design Considerations

Zener TVSs

Alternative Part Number

  • P6SMB90A --: Same 600W SMB package unidirectional TVS with 90V standoff, drop-in compatible footprint and clamping characteristics.
  • 1SMB90AT3G --: 600W SMB unidirectional TVS diode with 90V standoff voltage, directly interchangeable in most surge protection designs.
  • SMAJ90A --: 400W SMA unidirectional TVS with 90V standoff; lower power rating but usable as alternative where 600W surge capability is not strictly required.
  • P6SMB100A --: Same SMB package unidirectional TVS with comparable standoff voltage and clamping performance; widely available and pin-compatible.

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