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Top Adjustment Round Trimpot 3329P-1-102lf 103lf 104lf 502lf Single Turn Potentiometer
Feature
• 0.5W at 70ºC.
• Top adjustment.
• RoHS compliant version available.
• Electrical travel 220°, total mechanical travel 250°.
• Contact Resistance Variation (CRV) ≤3%R or 3Ω.
• 1/4˝ Round / Single Turn / Cermet Industrial / Sealed.
• Wide resistance range from 10Ω to 5MΩ,resistance tolerance ±10%.
Description
The 3329P is a single turn cermet trimmer potentiometer with a 1/4˝ round, single-turn, cermet industrial design, making it suitable for various applications. It features top adjustment for easy tuning and can handle 0.5W at 70ºC. With a wide resistance range from 10Ω to 5MΩ and a resistance tolerance of ±10%, it offers flexibility in circuit design. Its Contact Resistance Variation (CRV) is ≤3%R or 3Ω, ensuring stable performance. Additionally, it is available in a RoHS compliant version. The electrical travel is 220°, while the total mechanical travel is 250°, providing precise control over resistance settings.
Specification
| Electrical Characteristics | Nominal Resistance Range | 10Ω~5MΩ |
| Resistance Tolerance | ±10%; ±20% | |
| Terminal Resistance | ≤±1% R or 3Ω | |
| Contact Resistance Variation (CRV) | ≤3%R or 3Ω | |
| Insulation Resistance | 500 Vdc. 100 megohms min. | |
| Withstand Voltage | 101.3KPa, 500 Vac;8.5KPa, 250 Vac | |
| Dielectric Strength Sea Level | 500 Vac(1 min) | |
| Effective Travel | 220° | |
| Environment Characteristics | Weld Heat Resistance | 250ºC, 10S |
| Rated Power | 70ºC, 0.5W;125ºC, 0W | |
| Temperature Range | -55°C ~ + 125°C | |
| Temperature Coefficient | ±250, ±100 ppm /°C | |
| Temperature Variation | ΔR≤±3%R, Δ(Uab/Uac)≤±1% | |
| Collision | 20G, ΔR≤±1%R, Δ(Uab/Uac)≤±1% | |
| Vibration | 100G, ΔR≤±1%R, Δ(Uab/Uac)≤±2% | |
| Electrical Endurance At 70°C | 1000 hours @ 70ºC Rated Power; ΔR≤±3%R | |
| Mechanical Endurance | 200 cycles, ΔR≤±3%R | |
| Physical Characteristics | Total Mechanical Travel | 250° |
| Starting Torque | ≤25 mN.m | |
| Clutch Torque | ≤35 mN.m |
Dimension
Dimensions in mm, tolerances ±0.30 mm unless otherwise specified.
Packaging
Packaging specification: 50 pieces/tube, 5000 pieces/carton.
Application
The 3329P potentiometer finds applications in various fields, including:
• Audio equipment: It is used for volume control, tone adjustment, and equalization in amplifiers, mixers, and audio systems.
• Consumer electronics: It is used in devices such as televisions, radios, and portable audio players for volume control and user interface adjustments.
• Industrial controls: It is used in industrial automation systems for precise control of machinery, motor speed, and process parameters.
• Test and measurement instruments: It is used in multimeters, oscilloscopes, and other testing equipment for calibration and signal adjustment.
• Robotics and automation: It is used in robotic systems for position sensing, control, and feedback adjustment.
• Power supplies: It is used in voltage regulators and power control circuits for accurate voltage adjustment.
• Automotive electronics: It is used in automotive applications for control of lighting, fan speed, and other adjustable features.
• Telecommunications: It is used in telecom equipment for signal level adjustment and attenuation control.
Advantage
• Factory direct supply, no middlemen.
• Completed certificates such as RoHS, REACH, etc and best quality assurance.
• Sufficient production capacity, short delivery time.
• Professional after-sales service team.
• OEM & ODM available.
Product Catalog
