1500 Watt Unidirectional and Bidirectional Transient Voltage Suppressor

Category: Diodes, Electronics, Microsemi Corp

Overview

The datasheet describes Microsemi’s transient voltage suppressor series, ML.SKE6.8A ML.SKE4OOCA(e3), designed for high-reliability applications requiring protection from voltage spikes. Their peak pulse power rating of 1500 W and a rapid response time make them suitable for guarding against electrical transient occurrences such as lightning, electrostatic discharge (ESD), electrical fast transients (EFT), inductive switching, and radio frequency interference (RFI).

Features

These devices are high reliability with lot traceability and offer:

Economical plastic encapsulated TVS in through-hole mount format.
Guaranteed 30 lot norm screening on standby current.
Every unit is 100% surge tested to handle transients up to 1500 watts.
Available high-reliability screening per MIL-PRF-19500, offering various upscreening options.
Moisture Classification Level 1: No dry packing required as per IPC/JEDEC J-STD-020B.
RoHS compliant versions are available for environmentally sensitive applications.

Applications and Benefits

The devices cater to high-reliability industries and afford the following benefits:

Protection from transients induced by switching and RFI found in various commercial systems.
Compliance with IEC standards (IEC 61000-4-2 for ESD, IEC 61000-4-4 for EFT) for robust ESD and EFT protection.
Multiple levels of secondary lightning protection according to the IEC 61000-4-5 standard with different source impedances.

Lightning Protection: Classification Based on Source Impedance

These TVS devices are classified into various classes based on their ability to handle lightning protection with different source impedances, which is crucial in ensuring the right level of protection for specific applications. Classes range from Class 1 to Class 4, catering for source impedances of 42 ohms, 12 ohms, and 2 ohms, thus enabling users to select a product tailored to their specific protection needs without compromise.

Contact Information

Microsemi’s corporate offices in Lawrence, MA, and Ennis, Co. Clare, Ireland are listed for customer inquiries, with the respective contact numbers and fax details provided. For the most updated information, readers are directed to the Microsemi website indicated in the datasheet.