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SMCJ22 from VISHAY

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SMCJ22

Manufacturer: VISHAY, GSI

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMCJ22 VISHAY, GSI 36860 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMCJ22 is a surface-mount transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage transients and surges.  

### **Manufacturer:**  
The SMCJ22 is manufactured by multiple semiconductor companies, including:  
- **Littelfuse**  
- **Vishay**  
- **STMicroelectronics**  
- **ON Semiconductor**  

### **Key Specifications:**  
- **Peak Pulse Power (PPP):** 1500W (10/1000μs waveform)  
- **Breakdown Voltage (VBR):** 24.4V (min) to 27.0V (max)  
- **Standoff Voltage (VRWM):** 22V  
- **Clamping Voltage (VC):** 35.5V at 10A (IPP)  
- **Peak Pulse Current (IPP):** 42.3A (8/20μs waveform)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMC (DO-214AB)  

### **Descriptions & Features:**  
- **Bidirectional TVS Diode:** Protects against both positive and negative voltage transients.  
- **Fast Response Time:** Reacts in picoseconds to clamp transient voltages.  
- **Low Leakage Current:** Ensures minimal power loss during normal operation.  
- **High Surge Capability:** Handles high transient energy levels.  
- **RoHS Compliant:** Meets environmental standards.  

### **Applications:**  
- **Circuit Protection:** Used in power supplies, data lines, and communication ports.  
- **Automotive Electronics:** Protects against load-dump and ESD events.  
- **Industrial & Consumer Electronics:** Safeguards sensitive components from voltage spikes.  

This information is based on standard datasheets and manufacturer specifications.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • 1SMC22A --: Same 1500W SMC (DO-214AB) TVS class with 22V standoff, unidirectional, direct functional replacement from a different series.
  • P6SMB22A --: 600W SMB TVS with 22V standoff; lower power rating but suitable if surge requirement is relaxed, different package and series.
  • SMAJ22A --: 400W SMA TVS with 22V standoff; smaller package alternative for lower surge applications, clearly different series.
  • 1SMC22AT3G --: Same SMC (DO-214AB) package unidirectional TVS diode with 22 V standoff voltage; direct functional equivalent from a major supplier.
  • SMDJ22A --: SMDJ series 3000 W TVS in SMC package with 22 V standoff; higher surge rating makes it a robust drop-in replacement.

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