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SMCJ64A from MICROSEMI

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SMCJ64A

Manufacturer: MICROSEMI, CONCORD, FAIRCHILD, GS, GSI

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Partnumber Manufacturer Quantity Availability
SMCJ64A MICROSEMI, CONCORD, FAIRCHILD, GS, GSI 114700 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMCJ64A is a transient voltage suppressor (TVS) diode manufactured by **FAIRCHILD**. Here are its specifications, descriptions, and features based on available information:

### **Specifications:**  
- **Peak Pulse Power (PPP):** 1500W (10/1000μs waveform)  
- **Breakdown Voltage (VBR):** 71.2V (min) to 78.8V (max)  
- **Standoff Voltage (VRWM):** 64V  
- **Clamping Voltage (VC):** 103.4V (at IPP = 17.4A)  
- **Maximum Reverse Leakage Current (IR):** 1μA (at VRWM)  
- **Junction Capacitance (CJ):** 300pF (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The **SMCJ64A** is a **surface-mount TVS diode** designed to protect sensitive electronics from high-voltage transients, such as ESD, lightning, and inductive load switching. It is part of the **SMCJ series**, which offers robust surge protection in a **DO-214AB (SMC) package**.  

### **Features:**  
- **Low Clamping Voltage:** Provides effective protection for sensitive components.  
- **Fast Response Time:** Responds quickly to transient events (sub-nanosecond).  
- **High Surge Capability:** Handles large transient currents.  
- **RoHS Compliant:** Meets environmental standards.  
- **Bi-Directional Protection:** Guards against both positive and negative voltage spikes.  

For exact datasheet details, refer to **Fairchild Semiconductor’s official documentation**.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1SMC64AT3G --: Same 1500W unidirectional TVS class with 64V standoff and SMC package; widely available and electrically equivalent.
  • P6SMB64A --: Unidirectional TVS with matching 64V standoff voltage; smaller SMB package but suitable if board space allows and surge rating is acceptable.
  • SMAJ64A --: Unidirectional 64V standoff TVS in SMA package; lower power rating than SMCJ but a valid drop-in for lower-surge applications.
  • SMDJ64A --: 3000W SMC TVS diode with matching 64V standoff and unidirectional clamping, offers higher surge rating in the same footprint.
  • 5.0SMDJ64A --: 5000W SMC TVS with identical 64V standoff voltage and unidirectional configuration, suitable when higher peak pulse power is acceptable.
  • SMLJ64A --: 1500W unidirectional TVS diode with 64V standoff in SMC package; different series naming from SMCJ and widely available as a direct functional replacement.

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