Allicdata Part #: | VE2220K122R025-ND |
Manufacturer Part#: |
VE2220K122R025 |
Price: | $ 0.42 |
Product Category: | Circuit Protection |
Manufacturer: | KEMET |
Short Description: | VARISTOR 39V 1.2KA 2220 |
More Detail: | 39V 1.2kA Varistor 1 Circuit Surface Mount 2220 (5... |
DataSheet: | VE2220K122R025 Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 2 (1 Year) |
5000 +: | $ 0.38543 |
Series: | Automotive, AEC-Q200, VE |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Maximum AC Volts: | 25V |
Maximum DC Volts: | 31V |
Varistor Voltage (Min): | 35.1V |
Varistor Voltage (Typ): | 39V |
Varistor Voltage (Max): | 42.9V |
Current - Surge: | 1.2kA |
Energy: | 9.5J |
Number of Circuits: | 1 |
Mounting Type: | Surface Mount |
Package / Case: | 2220 (5750 Metric) |
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TVS - Varistors, MOVs - are among the most common devices used in electronic circuits for protection against lightning, overvoltages, and short circuit currents.
The VE2220K122R025 is one such device, offering substantial protection to a wide variety of applications ranging from domestic electronics and audiovisuals to computers, consumer electronics, and a variety of industrial and communications equipment. The device is a 20mm disk-shaped pinch off varistor comprising of a molded case and two lead wires. Made from Zinc Oxide for enhanced stability, it offers reliable protection against electrical overstress and high surge currents up to 10KA.
The VE2220K122R025 is designed to clamp extremely high voltage during surge events, such as those caused by lightning strikes or electrostatic discharge. It has a capacitance range of between 0.01 pF and 0.2 pF, and a dynamic resistance of between 2.1 and 6.3 ohms. It is designed to withstand non-repetitive peak voltages of between 250 and 300 volts, and has clamping and breakdown voltages of between 10 and 320 V.
The device is particularly useful for protecting vulnerable components, such as power inputs or sensitive logic circuits. It can also be used to protect against transient overvoltages of large magnitude, as it is capable of withstanding multiple events of up to 600 amperes. This protection is provided over a broad range of frequencies, from around 100 kHz to 10 MHz.
The device works by using the P-N junction inside the Zinc Oxide to respond to overvoltage conditions. When the voltage exceeds the breakdown voltage of the junction, a large current flows through the junction, and the device acts as a low resistance short circuit. This causes the voltage across the P-N junction to drop to a safe level, thus protecting the circuit.
In conclusion, the VE2220K122R025 is an excellent solution for protecting against overvoltage conditions. Its robust design and long lifespan make it ideal for a variety of applications, from consumer and industrial to medical, telecommunications, and automotive. Its wide voltage range and high surge capacity also make it an ideal choice for protecting sensitive electronics, and its fast response and low clamping voltages offer protection from transient high voltage spikes.
The specific data is subject to PDF, and the above content is for reference
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