Metal Oxide Varistor 14D391 P7.5MM
Applied to mobile phone adapters, this Metal Oxide Varistor (MOV) provides superior protection against voltage surges and transient spikes in electronic circuits.
Product Overview
The Metal Oxide Varistor is an essential over-voltage protection device that safeguards sensitive electronic equipment by clamping excessive voltage levels. With excellent aging characteristics (≤1%), versatile power rating (0.5W-10W), low dissipation factor (≤0.2), and ±20% resistance tolerance, it delivers reliable performance in demanding environments.
Key Features
- Product Name: Metal Oxide Varistor
- Type: Varistor
- Capacitance Range: 1pF-1000pF
- Dissipation Factor: ≤0.2
- Resistance Tolerance: ±20%
- Functions as Voltage Surge Protector for electronic circuits
- Utilizes metal-oxide voltage suppressor technology
- Operates as high-voltage resistor for transient voltage events
Technical Specifications
| Parameter | Specification |
| Operating Temperature | -55℃ to +125℃ |
| Dielectric Strength | ≥3000VAC |
| Resistance Tolerance | ±20% |
| Power Rating | 0.5W-10W |
| Mounting Type | Through-Hole |
| Package | SMD/DIP |
| Insulation Resistance | ≥1000MΩ |
| Aging Rate | ≤1% |
| Leakage Current | ≤0.1mA |
Applications
The VDR Metal Oxide Varistor series (7D/10D/14D/20D) is widely used in industrial power distribution networks, consumer electronics, renewable energy systems, automotive electronics, and communication devices. It provides effective surge protection against lightning strikes, switching operations, and other transient voltage events.
Customization Options
Our VDR-branded Metal Oxide Varistors offer customizable solutions with insulation resistance ≥1000MΩ, resistance tolerance ±20%, and capacitance range 1pF-1000pF. Operating temperature range of -55℃ to +125℃ ensures reliable performance in various applications.
Support & Services
Comprehensive technical support including product datasheets, application notes, and engineering assistance. Our team helps with product selection, application design, and troubleshooting to optimize MOV performance in your specific application.
Packaging & Shipping
Each MOV is packaged in anti-static bags with cushioning materials in sturdy cardboard boxes. Bulk orders are packed in reels or trays in reinforced cartons. Worldwide shipping with tracking options available.
Frequently Asked Questions
What is a Metal Oxide Varistor (MOV)?
A Metal Oxide Varistor is an electronic component that protects circuits against excessive transient voltages by clamping high voltage spikes through resistance changes.
What model numbers are available?
VDR Metal Oxide Varistors are available in 7D, 10D, 14D, and 20D models for different voltage and energy absorption requirements.
Where are VDR MOVs manufactured?
VDR Metal Oxide Varistors are manufactured in China with quality production standards and reliable performance.
How do I choose the right model?
Selection depends on maximum continuous operating voltage and energy absorption capacity. Lower voltage applications typically use 7D or 10D models, while higher voltage requirements use 14D and 20D models.