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SMBJ54A from MICROSEMI

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SMBJ54A

Manufacturer: MICROSEMI

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Partnumber Manufacturer Quantity Availability
SMBJ54A MICROSEMI 35000 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMBJ54A is a Transient Voltage Suppressor (TVS) diode manufactured by Microsemi (now part of Microchip Technology).  

### **Specifications:**  
- **Voltage - Reverse Standoff (VRWM):** 54V  
- **Voltage - Breakdown (VBR):** 60V (min)  
- **Voltage - Clamping (VC):** 87.4V at 10A  
- **Peak Pulse Current (IPP):** 10A (8/20µs)  
- **Power - Peak Pulse (PPP):** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMB (DO-214AA)  
- **Polarity:** Unidirectional  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The SMBJ54A is designed to protect sensitive electronics from voltage transients and electrostatic discharge (ESD). It provides fast response to transient overvoltage events, clamping the voltage to a safe level.  

### **Features:**  
- Low incremental surge resistance  
- High reliability  
- RoHS compliant  
- Lead-free and halogen-free options available  
- Meets IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards  

This device is commonly used in telecommunications, industrial, and automotive applications for transient protection.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Partnumber Manufacturer Quantity Availability
SMBJ54A CONCORD 35000 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMBJ54A is a transient voltage suppressor (TVS) diode manufactured by **CONCORD**.  

### **Specifications:**  
- **Voltage - Reverse Standoff (Vr):** 48V  
- **Voltage - Breakdown (Vbr):** 53.3V (min)  
- **Voltage - Clamping (Vc):** 77.4V at 10A  
- **Peak Pulse Current (Ipp):** 10A (8/20µs)  
- **Power - Peak Pulse (Ppp):** 600W  
- **Operating Temperature:** -55°C to +150°C  
- **Package:** SMB (DO-214AA)  

### **Descriptions:**  
- Designed to protect sensitive electronics from voltage transients and surges.  
- Bi-directional (unipolar) TVS diode.  
- RoHS compliant.  

### **Features:**  
- Low clamping voltage.  
- Fast response time.  
- High surge capability.  
- Reliable overvoltage protection.  

For exact details, refer to the official datasheet from **CONCORD**.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Partnumber Manufacturer Quantity Availability
SMBJ54A FAIRCHILD 43000 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMBJ54A is a transient voltage suppressor (TVS) diode manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Voltage - Reverse Standoff (V₄):** 48.4V  
- **Voltage - Breakdown (V₇):** 53.8V (Min), 59.4V (Max)  
- **Voltage - Clamping (V₆):** 87.4V at 10A  
- **Peak Pulse Current (I₉):** 10A (8/20µs)  
- **Power - Peak Pulse (P₉):** 600W  
- **Operating Temperature:** -55°C to +150°C  
- **Package:** SMB (DO-214AA)  
- **Polarity:** Unidirectional  

### **Description:**  
The SMBJ54A is designed to protect sensitive electronics from high-voltage transients, such as ESD, lightning, and inductive load switching. It clamps transient voltages to a safe level, preventing damage to downstream components.  

### **Features:**  
- **Low Clamping Voltage:** Ensures effective protection.  
- **Fast Response Time:** Reacts quickly to transients (picosecond range).  
- **High Surge Capability:** Handles high peak pulse currents.  
- **RoHS Compliant:** Meets environmental standards.  
- **Unidirectional:** Protects against positive transients only.  

For bidirectional protection, a similar part like the SMBJ54CA (bidirectional) would be required.  

(Note: Fairchild Semiconductor was acquired by ON Semiconductor in 2016, but legacy Fairchild parts like the SMBJ54A remain in production.)

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Partnumber Manufacturer Quantity Availability
SMBJ54A 109 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMBJ54A is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients and spikes.  

### **Manufacturer:**  
The SMBJ54A is manufactured by multiple semiconductor companies, including:  
- **Vishay**  
- **Littelfuse**  
- **STMicroelectronics**  
- **ON Semiconductor**  
- **Diodes Incorporated**  

### **Specifications:**  
- **Peak Pulse Power (10/1000μs):** 600W  
- **Breakdown Voltage (VBR):** 60V (min) – 66.5V (max)  
- **Standoff Voltage (VRWM):** 54V  
- **Clamping Voltage (VC):** 87.4V at 10A  
- **Maximum Reverse Leakage Current (IR):** 1μA at VRWM  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMB (DO-214AA)  

### **Description:**  
The SMBJ54A is a unidirectional TVS diode that provides protection against high-voltage transients in electronic circuits. It is commonly used in power supplies, communication equipment, and automotive systems to safeguard against electrostatic discharge (ESD), lightning, and other voltage surges.  

### **Features:**  
- **Fast Response Time:** Typically responds to transients in less than 1 picosecond.  
- **High Surge Capability:** Can handle large transient currents.  
- **Low Clamping Voltage:** Limits voltage spikes to safe levels.  
- **RoHS Compliant:** Meets environmental standards.  
- **Unidirectional Polarity:** Protects against positive voltage transients.  

This information is based on standard datasheets from the manufacturers listed.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

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