14D471K MOV Varistor

14D471K MOV varistor (470V), also known as VDR-14D471K, is designed for surge and overvoltage protection in power supplies, industrial equipment and electronic circuits. It offers fast response and high surge capability to protect circuits from transient voltage spikes. Also known as: 14D471

This component is commonly used in AC power lines, industrial equipment and power distribution systems where stable and long-term surge protection is required.

With a nominal varistor voltage of 470V, it effectively clamps voltage spikes caused by lightning surges, switching operations and grid instability.

Electrical Characteristics:

Varistor Voltage (1mA): 470V ±10%

Maximum Continuous Voltage: 300VAC / 385VDC

Clamping Voltage (8/20μs): 775V @ specified surge current

Peak Surge Current (8/20μs): 4.5kA

Surge Energy (10/1000μs): 125J

Capacitance (1kHz): approx. 430pF

Mechanical & Physical:

Disc Diameter: 14mm

Lead Type: Radial

Lead Spacing: 7.5mm

Mounting Style: Through Hole / PCB Mount

Packaging: Bulk

Environmental Characteristics:

Operating Temperature Range: -40°C to +105°C

Storage Temperature Range: -40°C to +125°C

Humidity Resistance: Suitable for industrial environments

Compliance & General:

RoHS: Compliant

Product Type: Metal Oxide Varistor (MOV)

Tolerance: ±10%

Applications:

Power supply systems

Industrial control equipment

Motor drive systems

Power distribution units

Automation systems

This varistor helps reduce the risk of circuit damage by limiting transient overvoltage and improving system reliability.

Why Choose Our 14D471K MOV Varistor:

Alternative source to leading brands such as TDK EPCOS, suitable for second sourcing strategy

Compliant with RoHS and REACH standards (UL / VDE options available for specific models)

Stable electrical performance with strict batch-to-batch consistency

Higher energy capability with 14mm disc design, suitable for demanding surge environments

Reliable supply chain with flexible MOQ and fast delivery

 Free samples available for engineering evaluation and validation

Reference Models:

S14K300 (TDK EPCOS)

B72214S0301K101 (TDK EPCOS)

All trademarks, brand names and model numbers are the property of their respective owners. These references are for comparison purposes only and do not imply direct equivalence or endorsement.

For datasheet, quotation or sample request:

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