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  • HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality
  • HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality
  • HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality
  • HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality
  • HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality
  • HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality
HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality

HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality

$0.01-$0.30/ Piece|1 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 10000000 pieces）
Customized packaging（Min.Order: 10000000 pieces）
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HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Surge Protection & Voltage Regulation: Designed to protect LED circuits and electronic devices from voltage spikes and overvoltage conditions, ensuring stable operation at 330V.
  • High-Frequency Performance: Built with ceramic material for low-loss, high-dielectric properties, ideal for high-frequency applications in LED systems and electronic circuits.

Key features

  • 1. Advanced Ceramic Material Technology

    • With its high-quality ceramic construction, the HEL 330V Varistor ensures stable performance in high-frequency LED applications. The blue ceramic material provides superior surge protection and voltage stability compared to standard varistors, ideal for demanding electronic circuits*.

  • 2. Compact and User-Friendly Design

    • The compact cylindrical design with integrated leads allows seamless integration into tight spaces, such as LED lighting systems. Its streamlined form factor simplifies installation and reduces assembly time compared to bulkier alternatives*.

  • 3. Precision Voltage Regulation

    • Equipped with a 330V rating and ±10% resistance tolerance, this varistor delivers precise voltage control, ensuring 20% more reliable surge suppression than models with wider tolerance ranges*.

  • 4. Tailored LED Protection Solutions

    • Designed specifically for LED applications, it safeguards against voltage spikes and fluctuations, extending LED lifespan by up to 15% compared to unprotected setups*.

  • 5. Global Safety Certifications

    • Certified by VDE, UL, CSA, and CQC, this varistor meets stringent international safety standards, offering broader compliance than uncertified or region-specific alternatives*.

Product details

HEL 330v Varistor 10D331K Voltage Dependent Resistor 10D331K VDR 331k D10 Voltage Resistor Blue Chip Varistor High Quality

The HEL 330V Varistor 10D331K is a high-quality voltage-dependent resistor (VDR) designed for LED applications. With a rated voltage of 330V and 10pF capacitance, this ceramic-based varistor ensures reliable voltage clamping and surge protection in high-frequency circuits. Certified by VDE, CQC, UL, and CSA, it meets global safety standards for electronic systems.

Technical specifications

FeatureSpecificationBenefit
MaterialCeramicHigh dielectric constant for stable high-frequency performance
Voltage Rating330VEnsures safe operation under voltage spikes in LED circuits
Capacitance10pFOptimized for compact, space-constrained designs
Resistance Tolerance±10%Consistent performance across varying conditions
CertificationsVDE, CQC, UL, CSACompliance with international safety and quality standards
ApplicationLED LightingProtects LED circuits from overvoltage damage

Customization guide

Adjustable parameters include capacitance values (e.g., 10pF to 22pF) and voltage ratings (up to 500V) to meet specific LED system requirements. Custom material blends can enhance thermal stability or chemical resistance for niche applications.

Get inspired

With its compact ceramic design and 330V rating, the HEL 10D331K is ideal for safeguarding LED drivers and power supplies in environments with frequent voltage fluctuations. Its certifications ensure seamless integration into global electronics manufacturing.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Rating330V400V (+21%)500V (+51%)*
Capacitance10pF12pF (+20%)15pF (+50%)
Tolerance±10%±5%±2%

Supplier's note

  1. Three Technical Breakthroughs:

    • Ceramic Material: Enables stable high-frequency operation with minimal energy loss.
    • Multi-Certification Compliance: Meets VDE, CQC, UL, and CSA standards for global deployment.
    • Precision Tolerance: ±2% in Pro Model ensures ultra-reliable performance in precision electronics.

  2. Optimal Version Selection:

    • Base Model: Suitable for standard LED lighting systems requiring 330V protection.
    • Advanced Model: Ideal for industrial LED setups needing 400V resilience (e.g., outdoor lighting).
    • Pro Model: Best for high-voltage applications like automotive or aerospace, where 500V stability and ±2% tolerance are critical.

Example Use Case:
With the Pro Model’s 500V rating, you can safely handle voltage surges in aircraft electronics, while its low tolerance ensures consistent LED brightness across extreme conditions. Pair it with high-temperature materials for added reliability in harsh environments.

Frequently asked questions

  • Q: What makes the HEL 10D331K varistor suitable for LED applications?

  • Q: How do I maintain a HEL 330V varistor to prevent failure?

  • Q: Why choose ceramic material for a voltage-dependent resistor (VDR) like the HEL 10D331K?

  • Q: Can the HEL 10D331K varistor be customized for specific voltage needs?

  • Q: Does the HEL 10D331K meet international safety standards?

  • Q: What voltage tolerance does the HEL 10D331K provide for sensitive circuits?

  • Q: How does the HEL 10D331K handle high-frequency applications compared to other varistors?

  • Q: What are the key benefits of the HEL 10D331K over standard voltage resistors?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Ceramic VaristorsLED lighting systems, consumer electronicsRated Voltage: 330V (IEC 6071/UL 1449)
Tolerance: ±10%
Compact size (10mm diameter)
Certified: VDE, UL, CSA		High voltage stability, compact design, ▲1.5x industry standard voltage
Multiple safety certifications		Lower surge current capacity (5kA) compared to MOVs
Metal Oxide Varistors (MOV)Industrial power systems, appliancesRated Voltage: 275V (IEC 61058)
Surge Current: 10kA (▲2x Ceramic)
Tolerance: ±20%		Superior surge handling (10kA)
Cost-effective for high-power applications		Larger footprint, lower voltage precision
Silicon Carbide VaristorsHigh-frequency circuits, aerospaceClamping Voltage: 400V (▲30% higher than Ceramic)
High-frequency response: 100kHz		Excellent ▲high-frequency performance
Stable under extreme temperatures		High cost, limited availability
Gas Discharge Tubes (GDT)Telecom equipment, high-energy systemsSurge Current: 20kA (▲2x MOV)
Response Time: 10µs		▲Superior surge protection (20kA)
Long operational lifespan		Slow response time (10µs)
Requires external circuitry
Zener DiodesPrecision voltage regulationTolerance: ±5% (▲Better than Ceramic's ±10%)
Voltage Regulation: ±1V		▲High precision
Low leakage current		Limited power handling (≤1W)
Not suitable for high surges
ThermistorsOvercurrent protection, temperature sensingResponse Time: 0.1ms (▲Faster than GDT)
Operating Temp: -40°C to 125°C		▲Ultra-fast response (0.1ms)
Temperature-dependent protection		Limited voltage clamping (≤250V)

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