The B72220S0551K101V87 is a metal oxide varistor (MOV) manufactured by TDK Corporation. MOVs are voltage-dependent resistors used for transient voltage suppression. They protect electronic circuits from voltage surges caused by lightning, inductive switching, and electrostatic discharge (ESD).

Applications:

• Transient voltage suppression in power supplies
• Protection against lightning surges
• Protection against inductive switching surges
• Protection against electrostatic discharge (ESD)
• Surge protection in electronic devices

Features:

• Metal Oxide Varistor (MOV)
• High Surge Current Capability
• Fast Response Time
• Compact Size
• RoHS Compliant

Benefits:

• Provides effective protection against voltage surges.
• Prevents damage to sensitive electronic components.
• Offers fast response to transient voltage events.
• Suitable for use in various electronic devices and equipment.
• Cost-effective solution for surge protection needs.

Additional Details:

The B72220S0551K101V87 is a varistor with a voltage rating of 550V. It is designed to clamp voltage surges to a safe level, protecting downstream components. The varistor has a high surge current capability, allowing it to withstand large transient currents without failure. The fast response time ensures that voltage surges are suppressed quickly, preventing damage to sensitive circuits. These varistors are commonly used in power supplies, surge protectors, and other electronic devices to provide reliable surge protection. The part is RoHS compliant. Proper selection and installation are essential to ensure optimal performance. The varistor should be sized appropriately for the expected surge conditions. Considerations such as energy handling capability and clamping voltage are important.

The part number specifies key characteristics such as the maximum continuous operating voltage and the surge current capability. This part is used to protect against surges entering through the AC line or from other sources of transients.