Allicdata Part #: | B72540V0040M062-ND |
Manufacturer Part#: |
B72540V0040M062 |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | EPCOS (TDK) |
Short Description: | VARISTOR 8V 1KA 2220 |
More Detail: | 8V 1kA Varistor 1 Circuit Surface Mount, MLCV 2220... |
DataSheet: | B72540V0040M062 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): | 8V |
Package / Case: | 2220 (5750 Metric) |
Mounting Type: | Surface Mount, MLCV |
Operating Temperature: | -55°C ~ 125°C (TA) |
Capacitance @ Frequency: | 24000pF @ 1kHz |
Number of Circuits: | 1 |
Energy: | 1.4J |
Current - Surge: | 1kA |
Varistor Voltage (Max): | 9.6V |
Series: | -- |
Varistor Voltage (Min): | 6.4V |
Maximum DC Volts: | 5.5V |
Maximum AC Volts: | 4V |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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TVS – Varistors, MOVs
The B72540V0040M062 is a voltage dependent silicon-carbide varistor which is used in many applications where transient voltage suppression is necessary. The device is a three-terminal, non-polar type of protection component which is typically mounted in sensitive electronic equipment to protect them from incoming overvoltages and from power electric surges. It is manufactured with high-quality silicon and is suitable for use in high-frequency and low-frequency circuits.
Applications
The B72540V0040M062 is ideal for use in voltage-sensitive systems such as LED drivers, LCD displays, personal computers and other consumer electronic equipment. It is usually used to protect circuits from overvoltage transients and provides good clamping capabilities for overvoltages up to 400 V peak. The device is also used in household appliances such as dishwashers, washing machines and air conditioners. It can also be used in Automotive applications such as airbags, infotainment systems and alternators.
Working Principle
The B72540V0040M062 features a non-linear working principle, where the resistance of its terminals varies dependingly on the voltage applied to them. When the device is not conducting, the resistance is very high and during normal circuit operation, the resistance is low. The device acts as a voltage-dependent resistor. It works by clamping the voltage wire in a voltage-dependent manner. When a transient voltage exceeds the clamping voltage of the device, the device conducts and the voltage is clamped. When the transient voltage drops below the clamping voltage, the device reverts to its non-conductive state. This type of device can offer high dissipative power rating and is commonly used in power electronics systems.
Advantages
Unlike a traditional MOV, the B72540V0040M062 provides superior protection against high voltage transients and power surges. This device is lightweight and has a low power dissipation. It offers excellent clamping capabilities. The device is also very reliable and has a long service life. Additionally, the B72540V0040M062 is inexpensive, making it a cost-effective option for many projects.
Disadvantages
One disadvantage of the B72540V0040M062 is that its current rating is lower than traditional MOVs. This means that the device must be carefully chosen for applications that require higher dissipation than its current rating. Additionally, the B72540V0040M062 can generate high heat and it must be installed in a well-ventilated area to help dissipate this heat.
Conclusion
The B72540V0040M062 is a cost-effective, lightweight voltage-dependent silicon-carbide varistor which is used for transient voltage suppression in many applications. It features a non-linear working principle and provides excellent protection against high voltage transients and power surges. Although it has a lower current rating than traditional MOVs, its low cost and great performance make it a popular choice for many projects.
The specific data is subject to PDF, and the above content is for reference
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