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Electronic Components, Accessories & Telecommunications
Passive Components
Potentiometers, Variable Resistors
Rotary Potentiometers, Rheostats
  • 8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm
  • 8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm
  • 8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm
  • 8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm
  • 8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm
  • 8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm
8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm
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8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm

  • 100 - 299 Pieces
    $0.20
  • 300 - 999 Pieces
    $0.19
  • >= 1000 Pieces
    $0.17

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
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8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Adjustable Resistance Control: Enables precise tuning of electrical signals via a rotary knob, offering resistance values from 500Ω to 1MΩ to optimize circuit performance.
  • Multi-Technology Compatibility: Built with cermet, metal film, carbon film, or wirewound technologies to cater to diverse durability and precision requirements.

Key features

  • 1. Material Technology

    • With a durable metal body and carbon film technology, ensure reliable performance in harsh environments while maintaining consistent resistance values.

  • 2. Interactive Design

    • With a compact rotary knob design (8mm actuator diameter), achieve precise resistance adjustments with smooth rotation, ideal for fine-tuning in tight spaces.

  • 3. Performance Parameters

    • With a wide resistance range (500Ω to 1MΩ) and ±1% tolerance (vs. standard ±20%), ensure high precision in critical applications like audio equipment or industrial control systems.*

  • 4. Scenario Solutions

    • Designed for electronics projects and control systems, this trimmer potentiometer adapts to space-constrained applications with surface mount termination and multiple actuator sizes (4–16mm).

  • 5. Customization Flexibility

    • Offering cermet, metal film, and carbon film technologies, this potentiometer balances cost and performance for diverse needs, from prototyping to commercial use.*

Product details

8mm Trimmer Potentiometer with 3-Pin Carbon Film Rotary Resistance Values of 500 1K 5K 10K 20K 50K 100K and 1M Ohm

The 8mm Trimmer Potentiometer is a compact, adjustable rotary component designed for precise resistance control in electronic circuits. With a 3-pin carbon film design and resistance values ranging from 500Ω to 1MΩ, it supports applications requiring fine-tuning of electrical signals. Its surface-mount termination and durable metal construction ensure reliable performance up to 50V.

Technical specifications

FeatureSpecificationBenefit
MaterialCermet, Metal Film, Carbon FilmHigh conductivity and corrosion resistance
Actuator Diameter4mm, 6mm, 8mm, 16mmCustomizable size for varied mounting needs
Adjustment TypeRotary (with slide adjustment knob)Precise, tactile control over resistance
Resistance Tolerance±20%, ±1% (varies by tech)Enhanced accuracy in critical circuits
Max Operating Voltage50VSafe for low-to-medium power applications
TechnologyCarbon Film, Metal Film, CermetDurable and temperature-stable materials

Customization guide

Adjustable resistance values (500Ω–1MΩ) and actuator diameters (4–16mm) allow customization to fit PCB layouts or specific signal ranges. For high-precision applications, select cermet or metal film variants with ±1% tolerance.

Get inspired

With its compact size and rotary design, this potentiometer is ideal for audio volume controls, industrial feedback systems, or IoT devices requiring analog adjustments. Its surface-mount compatibility simplifies automated assembly in mass production.

Choose your model

ParameterBase Model (Carbon Film)Advanced Model (Metal Film)Pro Model (Cermet)
Resistance Tolerance±20%±5%±1%*
Temperature Stability-25°C to +85°C-40°C to +125°C-55°C to +155°C
Power Rating0.125W0.25W0.5W

Supplier's note

  1. Technical Breakthroughs:

    • Cermet Technology (Pro Model): Triple the temperature stability of carbon film variants, enabling use in automotive or industrial environments.
    • Surface-Mount Design: Reduces assembly time by 20% compared to through-hole models.
    • ±1% Tolerance (Pro): Ensures precision in medical or aerospace systems where signal accuracy is critical.

  2. Version Selection Guidance:

    • Base Model: Ideal for basic electronics projects or prototyping where cost is prioritized.
    • Advanced Model: Best for audio equipment or consumer devices needing moderate precision.
    • Pro Model: Suited for industrial, military, or medical systems requiring extreme durability and accuracy. With cermet’s low temperature coefficient, you can maintain stable resistance in fluctuating environments—critical for sensor calibration or high-voltage control loops.

*Denotes 30% improvement over industry benchmarks for tolerance and thermal performance.

Frequently asked questions

  • Which 8mm Trimmer Potentiometer model suits small electronics projects with limited space?

  • How do I clean and maintain the 3-Pin Carbon Film Rotary Potentiometer?

  • Carbon Film vs. Metal Film: Which technology is better for precision circuits?

  • Can I customize the resistance value of the 8mm Trimmer Potentiometer?

  • Is the 50V max operating voltage sufficient for hobbyist electronics projects?

  • Which model works best for audio equipment volume controls?

  • How do I adjust the potentiometer without damaging it?

  • What’s the difference between cermet and wirewound technologies in potentiometers?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Actuator DiameterCompact devices, industrial controlsIndustry Standard: 6-10mm (IEC 60063)
Our Base: 8mm (standard)
Our Advanced: 4-16mm (adjustable)		Base: Fits standard PCBs
Advanced: ▲▲ Custom-fit for niche applications		Base: Limited flexibility
Advanced: Requires custom mounting (e.g., 4mm for drones)
Adjustment MechanismAudio controls, precision instrumentsIndustry Standard: Rotary (ISO 14534)
Our Base: Rotary
Our Advanced: Rotary with detent (±1° stops)		Base: Cost-effective
Advanced: ▲ Precise adjustments for lab equipment		Base: No tactile feedback
Advanced: Higher cost (e.g., $2.50 vs $1.20)
Voltage RatingLow-power circuits, industrial systemsIndustry Standard: 50V (UL 1977)
Our Base: 50V
Our Advanced: 250V (AEC-Q200)		Base: Safe for consumer devices (e.g., 50V = USB charging)
Advanced: ▲▲ Handles industrial motors		Base: Not rated for high-voltage (e.g., 240V HVAC)
Resistance ToleranceGeneral circuits, precision sensorsIndustry Standard: ±5% (MIL-PRF-29929)
Our Base: ±20%
Our Advanced: ±1% (IEC 60320)		Base: Affordable for basic circuits
Advanced: ▲▲ Critical for medical devices (e.g., ±1% = 10KΩ ±100Ω)		Base: Inaccurate for sensitive systems
Advanced: 3x cost increase
Technology TypeHigh-temp environments, audio gearIndustry Standard: Carbon Film (ASTM B243)
Our Base: Carbon Film
Our Advanced: Cermet (JIS C2102)		Base: Low-cost for general use
Advanced: ▲ Resists 150°C (vs Base’s 70°C)		Base: Drifts in humidity (e.g., ±15% after 1yr)
Advanced: Fragile under shock
Termination MethodHigh-density PCBs, mixed-technology boardsIndustry Standard: Through-hole (IPC-A-610)
Our Base: Surface Mount (SMD)
Our Advanced: Dual (SMD + Through-Hole)		Base: Space-saving for IoT devices
Advanced: ▲ Flexibility for legacy systems		Base: Requires reflow soldering
Advanced: Complex assembly (e.g., 2-step process)

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