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Other Resistors
  • High Power Fixed Wirewound Power Variable Resistor
  • High Power Fixed Wirewound Power Variable Resistor
  • High Power Fixed Wirewound Power Variable Resistor
  • High Power Fixed Wirewound Power Variable Resistor
  • High Power Fixed Wirewound Power Variable Resistor
  • High Power Fixed Wirewound Power Variable Resistor
High Power Fixed Wirewound Power Variable Resistor

High Power Fixed Wirewound Power Variable Resistor

  • >= 200 Pieces
    $10

Customization:

Customized packaging（Min.Order: 200 pieces）
View product details

High Power Fixed Wirewound Power Variable Resistor

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Power Thermal Management: Designed to handle high-power applications with ceramic construction for superior heat dissipation, ensuring stable performance under extreme conditions.
  • Precision Resistance Control: Offers resistance tolerance options of ±5% or ±10%, enabling accurate voltage/current regulation in variable load scenarios.

Key features

  • 1. Ceramic Material for High-Temperature Resistance

    • With a corrosion-resistant ceramic body, ensure durability in harsh, high-temperature environments. (~30% better heat dissipation than standard resistors*)

  • 2. Cylindrical Design with Secure Mounting

    • With a cylindrical shape and metal clamps, enable easy integration into circuits and secure connections for reliable performance under heavy loads.

  • 3. High-Power Handling Capacity

    • With robust power handling capabilities, support demanding electrical systems such as power electronics and amplifiers. (~20% higher power tolerance than conventional models*)

  • 4. Precise Resistance Control

    • With ±5% resistance tolerance, deliver accurate performance in precision-critical applications. (Outperforms ±10% tolerance models for sensitive systems*)

  • 5. Industrial-Grade Reliability

    • Designed for industrial and professional use, ensuring consistent performance in high-demand scenarios like power regulation and heavy machinery.

Product details

High Power Fixed Wirewound Power Variable Resistor

The High Power Fixed Wirewound Power Variable Resistor is a robust, ceramic-based component designed for high-power applications requiring reliable heat dissipation and durable electrical connections. Its cylindrical design and green ceramic material enable stable performance in harsh environments, while metal clamps ensure secure integration into industrial circuits.

Technical specifications

FeatureSpecificationBenefit
MaterialCeramic (green)High thermal conductivity and resistance to high temperatures
Resistance Tolerance±5%, ±10%Precision control for varying application needs
DesignCylindrical shape with metal clampsEnhanced surface area for heat dissipation and secure mounting
PackagingBulkCost-effective for large-scale deployments
Power RatingUp to 50W (varies by model)Handles high-power loads in industrial circuits

Customization guide

  • Adjustable Resistance Tolerance: Choose between ±5% or ±10% to align with precision requirements.
  • Terminal Customization: Modify metal clamp types (e.g., screw terminals or quick-connect) for specific circuit integration needs.
  • Color/Coating Options: Green ceramic coating is standard, but alternative colors may be available for environmental or branding purposes.

Get inspired

Ideal for power electronics, industrial amplifiers, and temperature control systems, this resistor ensures stable performance under extreme conditions. Its variable resistance capability allows dynamic adjustments in high-current applications.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Rating25W40W (+60% vs Base)50W (+100% vs Base)*
Resistance Tolerance±10%±5%±2% (Premium)
Temperature Range-40°C to +125°C-55°C to +150°C-65°C to +200°C

Supplier's note

  1. Technical Breakthroughs:

    • Ceramic Material: Enables 30% better heat dissipation than traditional metal-oxide resistors, critical for high-power scenarios.
    • Metal Clamps: Provide 2x stronger mechanical stability compared to standard terminals, ensuring reliability under high-voltage stress.
    • Variable Resistance: Allows real-time adjustments, reducing the need for multiple resistors in dynamic systems.

  2. Version Selection Guidance:

    • Base Model: Suitable for general industrial use (e.g., HVAC systems) where cost efficiency and moderate power handling (25W) suffice.
    • Advanced Model: Ideal for precision engineering (e.g., laboratory equipment) requiring ±5% tolerance and higher thermal resilience.
    • Pro Model: Best for extreme environments (e.g., aerospace or heavy machinery) needing 50W capacity and ±2% tolerance for mission-critical accuracy.

With ceramic material, you can ensure thermal stability in high-temperature environments. With the Pro Model’s 50W rating, you can handle power loads 100% higher than the Base Model, enabling safer operation in industrial amplifiers.

Frequently asked questions

  • Which high power resistor suits high-temperature industrial applications?

  • How to choose between fixed and variable resistors for bulk electronic projects?

  • What’s the advantage of ceramic material over metal film in resistors?

  • Can this resistor handle high current without overheating?

  • Are customization options available for bulk orders?

  • Is this resistor suitable for audio amplifier applications?

  • What’s the benefit of bulk packing for industrial buyers?

  • Does the green coating affect electrical performance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High Power Ceramic ResistorsIndustrial power supplies, motor controlCeramic core (200W max, IEC 60137), ±5% tolerance (MIL-PRF-29929)High thermal stability, withstands 250°C (ideal for harsh environments)Bulky, higher cost compared to alternatives
Wirewound ResistorsPrecision circuits, current sensingCopper wire wound on ceramic core (50W, IEC 60137), ±1% tolerance (IEC 60063)High precision, low noise (suitable for audio amplifiers)Inductive properties limit high-frequency use
Metal Film ResistorsConsumer electronics, low-power devicesMetal oxide film coating (0.5W, IEC 60137), ±1% tolerance (IEC 60063)Compact size (1/4W ideal for PCBs), stable over timeLimited power handling (fragile under 10W loads)
Carbon Composition ResistorsLow-cost circuits, legacy equipmentCarbon composite (5W, IEC 60137), ±5% tolerance (ASTM B363)Inexpensive, surge-resistant (handles 200% overload)Noisy, drifts 10% over 10 years (unreliable for precision)
Surface Mount ResistorsAutomated PCB assembly, IoT devicesSMD package (0.25W, IEC 60137), ±1% tolerance (JIS C5013)Tiny footprint (0805 mm²), compatible with pick-and-place machinesBrittle, prone to thermal shock (requires controlled soldering)
High Power Fixed Wirewound VariableIndustrial controls, audio equalizersAdjustable resistance (150W, IEC 60137), ±5%–±10% tolerance (IEC 60063), bulk packagingAdjustable resistance range (0–10kΩ), handles 150W (equivalent to industrial heaters)Mechanical wear (5,000 cycles lifespan), larger form factor

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