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SMAJ28CA from ST,ST Microelectronics

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SMAJ28CA

Manufacturer: ST

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ28CA ST 50000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The **SMAJ28CA** is a **28V bidirectional Transient Voltage Suppressor (TVS) diode** manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Voltage - Reverse Standoff (V₃):** 28V  
- **Voltage - Breakdown (VBR):** 31.1V (min) to 34.4V (max)  
- **Voltage - Clamping (V₆):** 45.4V at 10A (pulse)  
- **Peak Pulse Current (I₆):** 10A (8/20μs pulse)  
- **Power - Peak Pulse (P₆):** 454W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  
- **Polarity:** Bidirectional (protects against both positive and negative transients)  

### **Descriptions & Features:**  
- Designed for **ESD and surge protection** in sensitive electronics.  
- **Low clamping voltage** for effective transient suppression.  
- **Fast response time** (typically <1ns).  
- **High surge capability** for robust protection.  
- **RoHS compliant** and halogen-free.  
- **Applications:** Power supplies, automotive systems, communication ports, and industrial electronics.  

This TVS diode is commonly used to protect circuits from voltage spikes caused by lightning, inductive load switching, and electrostatic discharge (ESD).  

Would you like additional details on testing conditions or application notes?

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28CA CONCORD 35000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ28CA is a bidirectional TVS (Transient Voltage Suppressor) diode manufactured by CONCORD.  

### **Specifications:**  
- **Voltage - Reverse Standoff (VRWM):** 28V  
- **Voltage - Breakdown (VBR):** 31.1V (Min)  
- **Voltage - Clamping (VC):** 45.4V at 10A  
- **Peak Pulse Current (IPP):** 10A (8/20μs)  
- **Power - Peak Pulse (PPP):** 400W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**  
- Designed to protect sensitive electronics from voltage transients and ESD (Electrostatic Discharge).  
- Bidirectional polarity allows it to clamp both positive and negative voltage spikes.  
- Low clamping voltage for effective transient suppression.  

### **Features:**  
- Fast response time (<1ns)  
- High surge capability  
- RoHS compliant  
- Lead-free and halogen-free  

This information is based on CONCORD's datasheet for the SMAJ28CA.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28CA VISHAY 2000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ28CA is a bidirectional TVS (Transient Voltage Suppressor) diode manufactured by Vishay.  

### **Specifications:**  
- **Voltage - Reverse Standoff (Typ):** 28V  
- **Voltage - Breakdown (Min):** 31.2V  
- **Voltage - Clamping (Max) @ Ipp:** 45.4V  
- **Current - Peak Pulse (10/1000µs):** 24.4A  
- **Power - Peak Pulse:** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package / Case:** DO-214AC (SMA)  

### **Descriptions and Features:**  
- **Bidirectional TVS Diode:** Protects against both positive and negative voltage transients.  
- **High Surge Capability:** Handles high transient currents.  
- **Low Clamping Voltage:** Provides effective protection for sensitive circuits.  
- **Fast Response Time:** Reacts quickly to transient events.  
- **RoHS Compliant:** Meets environmental standards.  
- **Applications:** Used in surge protection for data lines, power supplies, and communication equipment.  

This information is based on Vishay's official datasheet for the SMAJ28CA.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28CA MICROSEMI 35000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ28CA is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by MICROSEMI.  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 28V  
- **Voltage - Breakdown (V_BR):** 31.1V (Min)  
- **Voltage - Clamping (V_CL):** 45.4V at 10A (Typ)  
- **Peak Pulse Current (I_PP):** 10A (8/20μs)  
- **Power - Peak Pulse (P_PP):** 400W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions and Features:**  
- Designed to protect sensitive electronics from voltage transients and ESD events.  
- Bidirectional polarity for clamping both positive and negative transients.  
- Low incremental surge resistance for effective clamping.  
- Fast response time (typically <1ps).  
- RoHS compliant.  
- Suitable for applications in telecommunications, automotive, and industrial systems.  

For detailed electrical characteristics, refer to the official MICROSEMI datasheet.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28CA FAIRCHILD 43000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ28CA is a transient voltage suppressor (TVS) diode manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 28V  
- **Voltage - Breakdown (V_BR):** 31.1V (min)  
- **Voltage - Clamping (V_C):** 45.4V at 10A (I_PP)  
- **Peak Pulse Current (I_PP):** 10A (8/20µs waveform)  
- **Power - Peak Pulse (P_PP):** 400W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Description:**  
The SMAJ28CA is a bidirectional TVS diode designed to protect sensitive electronics from voltage transients, including ESD, lightning, and inductive load switching. It clamps transient voltages to safe levels, preventing damage to downstream components.  

### **Features:**  
- **Bidirectional Protection:** Guards against both positive and negative voltage transients.  
- **Low Clamping Voltage:** Ensures effective suppression of high-energy transients.  
- **Fast Response Time:** Reacts quickly to transient events (picosecond range).  
- **High Surge Capability:** Withstands repetitive high-energy pulses.  
- **RoHS Compliant:** Meets environmental standards.  

This diode is commonly used in power supplies, communication systems, and industrial applications for surge protection.  

*(Note: Fairchild Semiconductor was acquired by ON Semiconductor in 2016, but legacy part numbers like SMAJ28CA remain in use.)*

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

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