P6KE250A-E3

series introduction

# Introduction to the P6KE250A - E3 Product Series

## 1. Overview
The P6KE250A - E3 product series belongs to the transient voltage suppressor (TVS) category. TVS devices are crucial components in modern electronic circuits, designed to safeguard sensitive electronic equipment from voltage spikes and transient events. These voltage transients can occur due to various reasons such as lightning strikes, electrostatic discharge (ESD), and inductive load switching. The P6KE250A - E3 series is engineered to provide reliable and efficient protection, ensuring the stable operation of electronic systems.

## 2. Key Specifications

### Electrical Characteristics
- **Peak Pulse Power Dissipation**: The P6KE250A - E3 is capable of handling a high peak pulse power dissipation. This parameter indicates the maximum power the device can dissipate during a transient event. For this series, it is designed to handle significant power surges, making it suitable for applications where large voltage spikes are likely to occur.
- **Breakdown Voltage**: The breakdown voltage of the P6KE250A - E3 is precisely defined. When the voltage across the device exceeds this breakdown voltage, the TVS starts to conduct, diverting the excess current away from the protected circuit. In the case of the P6KE250A - E3, the breakdown voltage is set at a specific value (e.g., around 250V), which is carefully calibrated to provide effective protection for circuits operating at or below this voltage level.
- **Clamping Voltage**: Once the TVS starts conducting, it limits the voltage across the protected circuit to a safe level known as the clamping voltage. The P6KE250A - E3 has a well - defined clamping voltage characteristic, ensuring that the voltage seen by the protected components remains within their safe operating limits during a transient event.
- **Reverse Leakage Current**: This is the small current that flows through the TVS when the applied voltage is below the breakdown voltage. The P6KE250A - E3 has a low reverse leakage current, which means that it consumes minimal power during normal operation, reducing the overall power consumption of the circuit and minimizing any potential interference with the normal functioning of the protected components.

### Physical Characteristics
- **Package Type**: The P6KE250A - E3 is typically available in a standard package, which offers good mechanical stability and ease of mounting on printed circuit boards (PCBs). The package is designed to provide proper heat dissipation, ensuring that the device can operate within its specified temperature range even during high - power transient events.
- **Dimensions**: The compact dimensions of the P6KE250A - E3 make it suitable for use in a wide range of electronic devices, including those with limited board space. The precise dimensions are carefully designed to meet industry standards, allowing for easy integration into existing PCB designs.

## 3. Applications

### Power Supplies
In power supply circuits, the P6KE250A - E3 can protect against voltage spikes that may occur due to power grid fluctuations, lightning strikes, or sudden changes in load. By diverting the excess current during these transient events, it prevents damage to the power supply components such as voltage regulators, capacitors, and integrated circuits. This ensures a stable and reliable power output, which is essential for the proper operation of the entire electronic system.

### Telecommunication Equipment
Telecommunication devices are often exposed to external electrical disturbances, such as ESD from human contact and lightning - induced surges. The P6KE250A - E3 can be used to protect the sensitive communication interfaces, such as Ethernet ports, USB ports, and telephone lines. By clamping the voltage during transient events, it prevents damage to the communication chips and other critical components, ensuring uninter

Images for reference

DO-15, DO-204AC Axial Unidirectional

Datasheets

• P6KE6.8 thru P6KE540A
• PDF 2

Partlist