Allicdata Part #: | B72587H3200K51-ND |
Manufacturer Part#: |
B72587H3200K51 |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | EPCOS (TDK) |
Short Description: | VARISTOR 33V 800A RADIAL |
More Detail: | 33V 800A Varistor 1 Circuit Through Hole Radial |
DataSheet: | B72587H3200K51 Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | 0.00000 |
Varistor Voltage (Typ): | 33V |
Package / Case: | Radial |
Mounting Type: | Through Hole |
Operating Temperature: | -55°C ~ 125°C (TA) |
Capacitance @ Frequency: | 1.5µF @ 1kHz |
Number of Circuits: | 1 |
Energy: | 3.0J |
Current - Surge: | 800A |
Varistor Voltage (Max): | 36.3V |
Series: | -- |
Varistor Voltage (Min): | 29.7V |
Maximum DC Volts: | 26V |
Maximum AC Volts: | 20V |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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Transient Voltage Suppressors (TVSs) are devices that inherently protect a system against an over or undershot by regulating the voltage to a permissible level. The feature responsible for the protection of the system is called the MOV or Varistor. The B72587H3200K51 is a specific type of MOV or Varistor, which are used to help control and regulate voltage surges. It is specifically designed to protect data lines from being damaged by spikes and transients.
Application Field
MOVs or Varistors like the B72587H3200K51 are mainly used in automotive, military, and industrial markets for overvoltage and electromechanical protection. These devices function as transient surge overload protection in the system in order to avoid harm to the system due to impulse voltages. These transient voltage suppressors are specifically beneficial in automotive applications, as they can help to protect the system against ESD (electrostatic discharge) and spark strikes. Similarly, when used in military applications, the MOVs can protect against electrostatic and nuclear electromagnetic pulse discharges. Industrial applications also benefit from the presence of MOVs for protection against power amplifier overloads and EFT pulse.
Working Principle
The B72587H3200K51 is a discrete, encapsulated, three terminal over-voltage protection component designed to protect against voltage transients. The device consists of a varistor body surrounded by an envelope for insulation. A metal oxide layer is sandwiched between an upper and lower metal electrode in order to form the varistor. An important feature of the B72587H3200K51 is its nonlinear current-voltage characteristic curve. Under normal working conditions, the current through the MOV remains virtually zero. Once the specified voltage threshold is exceeded, the current flows through the MOV thus providing the desired protection.
The MOVs are typically triggered when the surge voltage exceeds the breakdown voltage for a specified time period. When the current passes through, the resulting current will cause the MOV to clamp the voltage way below the maximum working voltage. The ability to easily alter the clamp breakdown voltage using the number of plates enables these protection components to be used for a wider range of applications. In addition, the B72587H3200K51 is UL and CSA certified for up to 400 volts AC and IEC certified for up to 600 volts AC.
Conclusion
The B72587H3200K51 is a great example of a MOV or Varistor used for protection of data lines from transient surges. It is mainly used in automotive, military, and industrial applications for overvoltage and electromechanical protection purposes. The device features a nonlinear current-voltage characteristic curve and is certified for up to 400 volts AC (UL and CSA) and up to 600 volts AC (IEC). The MOVs are triggered when the surge voltage exceeds the breakdown voltage for a specified time period. These protection components can be easily altered by the number of plates used and can be used for a wide range of applications due to their adjustable ratings.
The specific data is subject to PDF, and the above content is for reference
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