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SMBJ8.5A from ON,ON Semiconductor

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SMBJ8.5A

Manufacturer: ON, GS

Zener TVSs
Partnumber Manufacturer Quantity Availability
SMBJ8.5A,SMBJ85A ON, GS 27478 In Stock

Description and Introduction

Zener TVSs The SMBJ8.5A is a transient voltage suppressor (TVS) diode manufactured by GS (General Semiconductor). Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 8.5V  
- **Voltage - Breakdown (V_BR):** 9.45V (min) at 1mA  
- **Voltage - Clamping (V_C):** 13.9V at 10A (typical)  
- **Peak Pulse Current (I_PP):** 10A (8/20µs waveform)  
- **Power - Peak Pulse (P_PP):** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMB (DO-214AA)  

### **Descriptions:**  
- The SMBJ8.5A is a unidirectional TVS diode designed to protect sensitive electronics from voltage transients and surges.  
- It is commonly used in applications such as power supplies, communication systems, and automotive electronics.  

### **Features:**  
- **Fast Response Time:** Typically responds in picoseconds to transient events.  
- **Low Clamping Voltage:** Provides effective protection by limiting voltage spikes.  
- **High Surge Capability:** Can handle high transient currents.  
- **RoHS Compliant:** Meets environmental standards.  

This information is based on the manufacturer's datasheet for the SMBJ8.5A TVS diode.

Application Scenarios & Design Considerations

Zener TVSs

Alternative Part Number

  • P6SMB10A --: Same SMB package unidirectional TVS with comparable standoff voltage and clamping performance, widely available and pin-compatible.
  • 1SMB10AT3G --: SMB-packaged unidirectional TVS from the same manufacturer with similar 8.5V-class standoff and surge rating, easy drop-in replacement.
  • SMAJ8.5A --: SMA package unidirectional TVS with identical 8.5V standoff voltage; smaller footprint but electrically similar for many protection designs.
  • P6SMB9.1A --: Same SMB package unidirectional TVS with a close standoff voltage (9.1 V vs 8.5 V) and comparable 600 W peak pulse rating, widely available from a major TVS supplier.
  • 1SMB9.0AT3G --: SMB-packaged unidirectional TVS diode with 9.0 V standoff and 600 W surge capability, a direct functional substitute for clamping transients on the same rail.

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