P6SMB400AHE3_A/H
High-power TVS diodes for surge protection in automotive applications
Manufacturer： vishay
series introduction
# Introduction to the P6SMB400AHE3_A/H Product Series
## 1. Overview
The P6SMB400AHE3_A/H product series is a remarkable line of electronic components designed to offer high - performance protection and reliable operation in a wide range of electrical and electronic systems. These components are engineered to meet the demanding requirements of modern circuits, providing essential functions such as over - voltage protection and surge suppression.
## 2. Key Features
### 2.1 High - Energy Absorption
One of the standout features of the P6SMB400AHE3_A/H series is its ability to absorb high levels of energy. This makes it ideal for applications where sudden voltage spikes or surges are common. Whether it's due to lightning strikes, power grid fluctuations, or switching transients, these components can handle the energy associated with such events, protecting the sensitive electronic devices downstream.
### 2.2 Low Clamping Voltage
The series is designed to have a low clamping voltage. When an over - voltage event occurs, the component quickly limits the voltage across it to a safe level. This low clamping action ensures that the connected circuits are not exposed to excessive voltages, reducing the risk of damage to semiconductors, integrated circuits, and other sensitive components.
### 2.3 Fast Response Time
In the world of electronics, speed is crucial when it comes to protecting against over - voltage events. The P6SMB400AHE3_A/H series offers an extremely fast response time. It can detect and start clamping the over - voltage within nanoseconds, providing almost instantaneous protection to the circuit. This rapid response is essential for preventing damage to high - speed electronic devices.
### 2.4 High Surge Current Capability
These components can withstand high surge currents. They are built to handle large amounts of current during a surge event without failing. This high surge current capability makes them suitable for use in power supplies, industrial control systems, and other applications where high - current surges may occur.
### 2.5 RoHS Compliance
The P6SMB400AHE3_A/H series is compliant with the Restriction of Hazardous Substances (RoHS) directive. This means that the components are free from harmful substances such as lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBBs), and polybrominated diphenyl ethers (PBDEs). As a result, they are environmentally friendly and can be used in applications that require compliance with strict environmental regulations.
## 3. Technical Specifications
### 3.1 Voltage Ratings
The P6SMB400AHE3_A/H series is rated for a specific breakdown voltage. The breakdown voltage is the voltage at which the component starts to conduct current and provide over - voltage protection. In this series, the breakdown voltage is carefully calibrated to ensure reliable operation in different applications.
### 3.2 Power Dissipation
These components have a defined power dissipation rating. This rating indicates the amount of power that the component can safely dissipate without overheating. The power dissipation is an important factor to consider when designing a circuit, as it affects the overall thermal management of the system.
### 3.3 Package Type
The P6SMB400AHE3_A/H series comes in a specific package type. The package is designed to provide mechanical protection to the component and also facilitate easy mounting on printed circuit boards (PCBs). The package type is chosen to ensure good electrical and thermal performance, as well as compatibility with standard PCB manufacturing processes.
## 4. Applications
### 4.1 Power Supplies
In power supply circuits, the P6SMB400AHE3_A/H series can be used to protect against over - voltage events.
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