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MOV-20D561K Metal Oxide Varistor Thakor (VCRR)

MOV-20D561K Metal Oxide Varistor Thakor (VCRR) Specification

Operating Temperature
-40°C to +85°C

Output
Clamped/Protected Voltage

Response Time
<25 ns

Features
High Surge Withstanding, Epoxy Encapsulated, RoHS Compliant

Power Supply
Electric

Interface
Leaded

Power Source
Passive Electronic Component

Thermal Conductivity
Standard for Metal Oxide Ceramics

Usage
Electronic Circuits/Equipment

IP Rating
IP20

Components
Metal Oxide Ceramic Disc, Lead Wires, Epoxy Coating

Input
AC Voltage

Product Type
Metal Oxide Varistor

Application
Surge Protection, Power Supplies, Control Circuits

Rated Voltage
560V AC

Supply Voltage
560V AC

Size
20D (20 mm Disc Diameter)

Dimension (L*W*H)
Approx. 25 mm x 20 mm x 7 mm

Function
Overvoltage Protection

Color
Blue

Weight
Approx. 7g

Current Rating
2500A (8/20 µs)

Thickness
Varies (Approx. 7 mm max)

Capacity
High Surge Current Withstanding Capability

Frequency
50/60Hz

MOV-20D561K Metal Oxide Varistor Thakor (VCRR) Trade Information

Minimum Order Quantity
1000 Pieces

Payment Terms
Cash in Advance (CID)

Main Export Market(s)
Asia

Main Domestic Market
All India

About MOV-20D561K Metal Oxide Varistor Thakor (VCRR)

MOV-20D561K Metal Oxide Varistor (Thakor -VCRR)

ProductDescription:

The MOV-20D561K is a Metal Oxide Varistor(MOV) designed to protect electronic circuits from transient voltage spikes,including lightning strikes, power surges, and other voltage anomalies.Manufactured by Thakor under the VCRR product line, this component is widelyused for its reliability and durability.

TechnicalSpecifications:

Part Number: MOV-20D561K
Maximum Continuous Operating Voltage (AC): 350V
Maximum Continuous Operating Voltage (DC): 460V
Varistor Voltage: 560V 10% (measured at 1mA DC)
Clamping Voltage: 920V (at a surge current of 50A)
Maximum Surge Current: 6,000A (8/20s waveform)
Energy Rating: 220J (typical)
Response Time: < 25 nanoseconds
Diameter: 20mm
Material: Metal oxide with epoxy coating
Operating Temperature: -40C to +85C

Applications:

Power Supplies: Protection of AC/DC power supply units from surges and transients.
Telecommunications: Used in network devices to safeguard against voltage surges.
Consumer Electronics: Protects appliances such as televisions, washing machines, and air conditioners.
Industrial Equipment: Protects sensitive industrial control systems and machinery.
Automotive Electronics: Used in automotive circuits to prevent voltage spikes from affecting critical electronics.

KeyBenefits:

High Energy Absorption: The MOV-20D561K can absorb high-energy transients, ensuring protection for sensitive electronics.
Fast Response Time: The varistor reacts to voltage spikes in less than 25 nanoseconds, preventing damage to connected components.
Long Lifespan: Durable design ensures consistent performance over numerous transient events.
Compact Size: Its 20mm diameter allows for easy integration into circuits without occupying significant space.
Wide Voltage Range: Suitable for AC and DC applications with broad voltage coverage.
Cost-Effective Protection: Affordable solution compared to repairing or replacing damaged equipment.

AlternativeBrands and Equivalent Parts:

Here are equivalent components from othermanufacturers that match the specifications of the MOV-20D561K:

Littelfuse: V20E560P

AC Voltage: 350V
Varistor Voltage: 560V
Surge Current: 6,000A

EPCOS (TDK): B72220S561K101

AC Voltage: 350V
Varistor Voltage: 560V
Energy: 220J

Vishay: V20H560P

AC Voltage: 350V
Varistor Voltage: 560V
Surge Current: 6,000A

Panasonic: ERZ-V20D561

AC Voltage: 350V
Varistor Voltage: 560V
Clamping Voltage: 920V

Bourns: MOV-20D561K

AC Voltage: 350V
Varistor Voltage: 560V
Energy: 220J

If you need further technical details orsupport in selecting the right MOV, let me know!

Reliable Overvoltage Protection

Equipped with a non-linear coefficient alpha 30 and energy rating of 255 Joules, the MOV-20D561K responds within <25 ns, effectively suppressing voltage spikes. Its fast action and high surge capacity make it a preferred choice for safeguarding sensitive electronic equipment.

Durable and Versatile Structure

Constructed with a metal oxide ceramic disc, epoxy coating, and rugged lead wires, this varistor is built for reliability. With a wide operating and storage temperature range (-40C to +85C), and dimensions of 25 x 20 x 7 mm, it adapts seamlessly to a variety of circuits and environments.

FAQ's of MOV-20D561K Metal Oxide Varistor Thakor (VCRR):

Q: How does the MOV-20D561K Metal Oxide Varistor function in an electronic circuit?

A: The MOV-20D561K acts as a voltage-dependent resistor that clamps or limits voltage surges. When a voltage spike exceeds its threshold (varistor voltage), it quickly changes impedance and diverts excess energy, protecting connected devices from transient overvoltages.

Q: What applications are suitable for the MOV-20D561K?

A: It is ideal for surge protection in power supplies, electronic circuits, and control systems. Commonly used in AC mains, industrial control panels, and consumer electronics, it safeguards equipment from unpredictable voltage spikes.

Q: When should this varistor be installed in a circuit?

A: Install the varistor at the point where overvoltage protection is needed, typically across input terminals of sensitive devices. It is recommended during the design phase, or as an upgrade to enhance circuit protection in existing setups.

Q: Where can I source the MOV-20D561K Metal Oxide Varistor in India?

A: You can obtain this varistor from authorized suppliers, traders, and wholesalers specializing in electronic components throughout India. Look for providers with RoHS-compliant inventory to ensure product reliability and safety.

Q: What is the process for selecting the right varistor for my application?

A: Choose the varistor based on key parameters such as clamping voltage, surge current rating, energy rating, and varistor voltage. Ensure they exceed the maximum values expected in your application to guarantee effective protection and component longevity.

Q: How do I benefit from using the MOV-20D561K in my circuit?

A: By integrating this varistor, your equipment gains reliable defense against transient surges, reducing the risk of damage or malfunction due to unpredictable overvoltages. This translates to prolonged device lifespan, higher reliability, and minimized downtime.

Q: What are the usage and installation guidelines for this MOV?

A: Install the MOV-20D561K parallel to the AC input terminals using its leaded connections. Maintain suitable clearance for ventilation, and avoid exceeding the rated voltage of 560V AC. Adhering to manufacturer guidelines ensures maximum surge protection efficiency.