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SMBJ170A from MICROSEMI

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SMBJ170A

Manufacturer: MICROSEMI, VISHAY, CONCORD, FAIRCHILD, GSI, LITEON

Surface mount transient voltage suppressor. 600 watts peak power. Reverse stand-off voltage VRWM = 170 V. Test current IT = 1 mA.

Partnumber Manufacturer Quantity Availability
SMBJ170A MICROSEMI, VISHAY, CONCORD, FAIRCHILD, GSI, LITEON 123600 In Stock

Description and Introduction

Surface mount transient voltage suppressor. 600 watts peak power. Reverse stand-off voltage VRWM = 170 V. Test current IT = 1 mA. The SMBJ170A is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay. Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Vishay  
- **Part Number:** SMBJ170A  
- **Type:** Unidirectional TVS Diode  
- **Peak Pulse Power (10/1000μs):** 600 W  
- **Breakdown Voltage (V_BR):** 189 V (min) – 209 V (max)  
- **Standoff Voltage (V_RWM):** 170 V  
- **Clamping Voltage (V_C):** 274 V (at 10 A)  
- **Maximum Reverse Leakage Current (I_R):** 1 μA (at V_RWM)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMB (DO-214AA)  

### **Descriptions:**
- Designed to protect sensitive electronics from voltage transients and surges.  
- Compliant with IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards.  
- RoHS compliant and halogen-free.  

### **Features:**
- **Fast Response Time:** Responds quickly to transient events (sub-nanosecond).  
- **High Surge Capability:** Can handle large transient currents.  
- **Low Clamping Voltage:** Provides effective protection for downstream components.  
- **Reliable Performance:** Robust construction for industrial and automotive applications.  

This information is based on Vishay's official datasheet for the SMBJ170A.

Application Scenarios & Design Considerations

Surface mount transient voltage suppressor. 600 watts peak power. Reverse stand-off voltage VRWM = 170 V. Test current IT = 1 mA.

Alternative Part Number

  • P6SMB170A --: Same 600W SMB package unidirectional TVS with 170V standoff, drop-in form factor and equivalent clamping performance.
  • 1SMB170AT3G --: 600W SMB unidirectional TVS diode with matching 170V working voltage and similar surge rating, widely available alternative.
  • SMAJ170A --: 400W SMA unidirectional TVS with same 170V standoff; lower power rating but suitable for many clamp applications and a different series naming.

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