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SMCJ54A from FAIRCHILD,Fairchild Semiconductor

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SMCJ54A

Manufacturer: FAIRCHILD, MICROSEMI, CONCORD, Littelfu..

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Partnumber Manufacturer Quantity Availability
SMCJ54A FAIRCHILD, MICROSEMI, CONCORD, Littelfu.. 209000 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMCJ54A is a transient voltage suppressor (TVS) diode manufactured by Microsemi. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Peak Pulse Power (PPP):** 1500W (10/1000μs waveform)  
- **Standoff Voltage (VWM):** 48.4V  
- **Breakdown Voltage (VBR):** 53.8V (min), 59.4V (max)  
- **Clamping Voltage (VC):** 87.4V (at 16.5A)  
- **Maximum Reverse Leakage Current (IR):** 1μA (at VWM)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Junction Capacitance (CJ):** 400pF (typical)  
- **Package:** DO-214AB (SMC)  

### **Descriptions:**  
- The SMCJ54A is a unidirectional TVS diode designed to protect sensitive electronics from high-voltage transients.  
- It is part of the SMCJ series, which offers high surge capability in a compact SMC package.  
- It is RoHS compliant and suitable for applications requiring robust overvoltage protection.  

### **Features:**  
- **High Surge Capability:** Handles large transient currents.  
- **Low Clamping Voltage:** Provides effective protection for sensitive components.  
- **Fast Response Time:** Reacts quickly to transient events (sub-nanosecond response).  
- **Unidirectional Polarity:** Designed for DC circuits where the transient is expected in one direction.  
- **Reliable Performance:** Meets industry standards for surge protection.  

This information is based solely on the manufacturer's datasheet and product documentation.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1SMC54AT3G --: Same 1500W unidirectional TVS with 54V standoff voltage in the SMC package, from a major supplier with equivalent surge ratings.
  • P6SMB54A --: Unidirectional TVS with 54V standoff voltage; smaller SMB package but adequate for many clamping applications where board space is limited.
  • SMAJ54A --: 54V standoff unidirectional TVS in SMA package; lower power rating than SMCJ but a common drop-in for lower surge requirements.
  • 1.5SMC54A --: Same 1500W peak pulse power, 54V standoff unidirectional TVS in SMC package; widely available and electrically equivalent.
  • SMDJ54A --: 3000W SMC-size unidirectional TVS with 54V standoff; higher surge rating provides extra margin while fitting the same footprint.
  • SMLJ54A --: 1500W SMC unidirectional TVS diode with matching 54V reverse standoff voltage and similar clamping performance.
  • 5.0SMDJ54A --: Same manufacturer 5000W SMC TVS with 54V standoff; higher surge rating provides margin while remaining footprint compatible.

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