ON Semiconductor 1V5KE440A Transient Voltage Suppressor Diode

The ON Semiconductor 1V5KE440A is a robust transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage spikes and transients induced by lightning and other sudden voltage events. This high-quality component is a crucial element for systems that require reliable protection against high energy transients in commercial, industrial, and military applications.

Key Features:

• Peak Pulse Power Dissipation: The 1V5KE440A has an impressive peak pulse power dissipation of 1500 Watts at 10/1000μs waveform, ensuring that it can handle significant transient power spikes without damage.
• Breakdown Voltage: It features a standoff voltage of 376V, with a minimum breakdown voltage of 418V, providing a wide margin of safety for electronic circuits typically operating at lower voltages.
• Clamping Voltage: When subjected to a high voltage spike, the clamping voltage is a maximum of 602V, which helps to limit the voltage that can reach connected components, thereby protecting them from potential damage.
• Response Time: The diode boasts an exceptionally fast response time to transient events, typically less than 1.0 picosecond from 0V to BV min, ensuring that protection is both immediate and effective.
• Construction: Its axial-lead hermetically sealed glass construction offers a rugged and durable solution, capable of withstanding harsh environmental conditions.
• Certifications: The 1V5KE440A is UL recognized with a file number E302244, providing assurance of its safety and reliability.

Applications:

The 1V5KE440A is ideal for safeguarding voltage-sensitive components such as integrated circuits, MOSFETs, and other semiconductor devices. It is commonly used in:

• Power supply circuits
• AC/DC converters
• Telecommunication systems
• Industrial controls
• Lightning protection for outdoor and antenna systems

With its combination of high power dissipation, fast response time, and durable construction, the ON Semiconductor 1V5KE440A is an excellent choice for engineers looking to enhance the survivability of their electronic systems against transient voltage events.