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SMAJ28A from TAIWANSEMICO

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SMAJ28A

Manufacturer: TAIWANSEMICO

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ28A TAIWANSEMICO 1100 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ28A is a unidirectional TVS (Transient Voltage Suppressor) diode manufactured by TAIWANSEMICO.  

### **Specifications:**  
- **Standoff Voltage (VWM):** 28V  
- **Breakdown Voltage (VBR):** 31.2V (min) to 34.5V (max)  
- **Peak Pulse Current (IPP):** 42.5A (8/20μs)  
- **Clamping Voltage (VC):** 45.4V at IPP  
- **Maximum Reverse Leakage Current (IR):** 1μA at VWM  
- **Power Dissipation (PPK):** 600W (8/20μs)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions & Features:**  
- Designed to protect sensitive electronics from voltage transients and surges.  
- Fast response time for ESD (Electrostatic Discharge) and lightning protection.  
- Low clamping voltage for effective circuit protection.  
- RoHS compliant and lead-free.  
- Suitable for applications in power supplies, communication systems, and automotive electronics.  

(Source: TAIWANSEMICO datasheet)

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28A TAIWAN SEMICONDUCTOR 7500 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ28A is a transient voltage suppressor (TVS) diode manufactured by Taiwan Semiconductor. Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Voltage - Reverse Standoff (V_RWM):** 28V  
- **Voltage - Breakdown (V_BR):** 31.2V (min)  
- **Voltage - Clamping (V_C):** 45.4V at 10A (I_PP)  
- **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:**
- The SMAJ28A is designed to protect sensitive electronics from voltage transients, including ESD, lightning, and inductive load switching.  
- It offers fast response time (typically <1ps) and low clamping voltage.  
- RoHS compliant and halogen-free.  

### **Features:**
- High surge capability  
- Low incremental surge resistance  
- Bi-directional (for SMAJ28A) or uni-directional (for SMAJ28CA) options  
- Meets IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards  

This information is based on the manufacturer's datasheet. For detailed performance curves and application notes, refer to Taiwan Semiconductor's official documentation.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28A MICROSEMI 35000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ28A is a Transient Voltage Suppressor (TVS) diode manufactured by Microsemi (now part of Microchip Technology).  

### **Specifications:**  
- **Part Number:** SMAJ28A  
- **Manufacturer:** Microsemi  
- **Type:** Uni-directional TVS Diode  
- **Peak Pulse Power (10/1000μs):** 400W  
- **Breakdown Voltage (VBR):** 31.2V (min), 34.5V (typ), 38.0V (max)  
- **Standoff Voltage (VRWM):** 28V  
- **Clamping Voltage (VC):** 45.4V at 16.5A (IPP)  
- **Peak Pulse Current (IPP):** 16.5A (8/20μs)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMA (DO-214AC)  

### **Descriptions and Features:**  
- Designed to protect sensitive electronics from voltage transients and surges.  
- Fast response time (typically <1ps).  
- Low leakage current at standoff voltage.  
- RoHS compliant.  
- Suitable for applications such as power supplies, communication systems, and automotive electronics.  

For detailed electrical characteristics and mechanical dimensions, refer to the official datasheet from Microsemi/Microchip.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28A ON 10000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The **SMAJ28A** is a **28V unidirectional Transient Voltage Suppressor (TVS) diode** manufactured by **ON Semiconductor**.  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 28V  
- **Voltage - Breakdown (V_BR):** 31.2V (min)  
- **Voltage - Clamping (V_C):** 45.4V at 10A (I_PP)  
- **Peak Pulse Current (I_PP):** 10A (8/20μs pulse)  
- **Power - Peak Pulse (P_PP):** 400W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**  
- Designed to protect sensitive electronics from **high-voltage transients** (ESD, lightning, inductive switching).  
- **Unidirectional** (clamps positive transients only).  
- **Low leakage current** in standby mode.  
- **Fast response time** (typically <1ps).  

### **Features:**  
- **High surge capability** (400W peak pulse power).  
- **RoHS compliant**.  
- **AEC-Q101 qualified** for automotive applications.  
- **Low incremental surge resistance**.  
- **Reliable performance** in harsh environments.  

This TVS diode is commonly used in **power supplies, communication systems, and automotive circuits** for transient protection.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28A VISHAY 200 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The **SMAJ28A** is a **28V unidirectional TVS diode** manufactured by **Vishay**.  

### **Specifications:**  
- **Voltage - Reverse Standoff (VRWM):** 28V  
- **Voltage - Breakdown (VBR):** 31.2V (min)  
- **Voltage - Clamping (VC):** 45.4V at 10A  
- **Peak Pulse Current (IPP):** 10A (8/20µs)  
- **Power - Peak Pulse (PPP):** 400W  
- **Operating Temperature:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions and Features:**  
- Designed for **transient voltage suppression (TVS)** in sensitive electronics.  
- **Unidirectional** polarity for protection against positive transients.  
- **Low clamping voltage** for effective overvoltage protection.  
- **Fast response time** (typically <1ps).  
- **RoHS compliant** and halogen-free.  
- Suitable for **ESD, surge, and lightning protection** in applications like power supplies, data lines, and communication systems.  

For detailed datasheet information, refer to **Vishay's official documentation**.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28A FAIRCHILD 43000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ28A 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 factual information:

### **Specifications:**
- **Peak Pulse Power (PPP):** 400W (8/20μs waveform)  
- **Breakdown Voltage (VBR):** 31.1V (min), 34.4V (typ), 37.7V (max)  
- **Standoff Voltage (VRWM):** 28V  
- **Clamping Voltage (VC):** 45.4V (at 10A)  
- **Maximum Reverse Leakage Current (IR):** 1μA (at VRWM)  
- **Junction Capacitance (CJ):** 1000pF (typ)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**
- The SMAJ28A is designed to protect sensitive electronics from voltage transients, including ESD, lightning, and inductive load switching.  
- It is a unidirectional TVS diode, meaning it clamps positive transients only.  
- The device is compliant with IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards.  

### **Features:**
- Low clamping voltage for superior protection.  
- Fast response time (typically <1ps).  
- RoHS compliant and lead-free.  
- Available in a DO-214AC (SMA) package.  
- High surge capability per IEC 61000-4-5.  

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

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
Partnumber Manufacturer Quantity Availability
SMAJ28A CONCORD 35000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ28A is a unidirectional TVS (Transient Voltage Suppressor) diode manufactured by CONCORD. Below are its specifications, descriptions, and features based on factual data from Ic-phoenix technical data files:  

### **Specifications:**  
- **Working Peak Reverse Voltage (VRWM):** 28V  
- **Breakdown Voltage (VBR):** 31.1V (min) to 34.4V (max)  
- **Clamping Voltage (VC):** 45.4V at 10A (IPP)  
- **Peak Pulse Current (IPP):** 10A (8/20μs waveform)  
- **Maximum Reverse Leakage Current (IR):** 1μA at VRWM  
- **Junction Capacitance (CJ):** 500pF (typical) at 0V, 1MHz  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**  
- The SMAJ28A is designed to protect sensitive electronics from voltage transients, including ESD, lightning, and inductive load switching.  
- It is a unidirectional TVS diode, meaning it clamps positive transients only.  
- The device meets IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards.  

### **Features:**  
- **Fast Response Time:** Typically less than 1ps.  
- **High Surge Capability:** Handles up to 10A (8/20μs).  
- **Low Clamping Voltage:** Ensures protection for downstream components.  
- **RoHS Compliant:** Lead-free and environmentally friendly.  
- **Reliable Performance:** Robust construction for industrial and automotive applications.  

For exact application guidelines, refer to the manufacturer’s datasheet.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

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