3329P 0.5W 5K 10K 20K 50K 100K 1/4″ Round Single Turn Cermet Trimmer Trimming Potentiometer
Feature:
● 0.5W at 70℃.
● 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 70℃. 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 | 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 | 500 Vac(1Min.) | |
| Electrical Travel | 220° | |
| Environment Characteristics | Weld Heat Resistance | 250℃, 10 Secs. |
| Rated Power(300 volts max.) | 70℃, 0.5W；125℃, 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 @ 70℃ Rated Power; ΔR≤±3%R | |
| Rotational Life | 200 Cycles, ΔR≤±3%R | |
| Physical Characteristics | Total Mechanical Travel | 250° |
| Starting Torque | ≤25 mN.m | |
| Clutch Torque | ≤35 mN.m |
Dimension:
Packaging
packaging specification: 50 pieces per tube.
Application:
The 3329P cermet trimmer potentiometer is a precision component widely utilized in various devices due to its reliability, stability, and accuracy. Here are some typical applications and devices where the 3329P cermet trimmer potentiometer is commonly used:
• Test and Measurement Equipment:
Multimeters: Used to calibrate and fine-tune the accuracy of voltage, current, and resistance measurements.
Oscilloscopes: For precise adjustment of signal parameters and ensuring accurate waveform analysis.
Signal Generators: Fine-tuning frequency, amplitude, and other signal characteristics.
• Consumer Electronics:
Audio Equipment: Adjusting tone, balance, and volume controls in high-fidelity audio systems.
Television Sets: Tuning circuits for optimal picture and sound quality.
Radios: Fine-tuning reception and audio clarity.
• Industrial Control Systems:
Automation Equipment: Calibrating sensors and control loops for industrial automation processes.
Motor Controllers: Setting and adjusting speed, torque, and other motor parameters.
Process Control Systems: Ensuring precise control and regulation of industrial processes.
• Medical Devices:
Diagnostic Equipment: Calibration of sensors and transducers to ensure accurate diagnostics.
Patient Monitoring Systems: Adjusting sensitivity and alarm thresholds in vital sign monitors.
Therapeutic Devices: Ensuring precise control of treatment parameters in devices like infusion pumps.
• Communications Equipment:
RF Devices: Tuning and matching circuits in radio frequency communication equipment.
Telecommunication Infrastructure: Adjusting signal levels and optimizing network performance.
Satellite Communication Systems: Fine-tuning signal reception and transmission parameters.
• Automotive Electronics:
Engine Control Units (ECUs): Calibrating parameters for optimal engine performance and fuel efficiency.
Dashboard Instruments: Ensuring accurate readings of speed, fuel levels, and other indicators.
Infotainment Systems: Adjusting audio and display settings for enhanced user experience.
• Aerospace and Defense:
Avionics Systems: Calibration of flight instruments and control systems.
Communication Equipment: Ensuring reliable performance of communication and navigation devices.
Radar Systems: Fine-tuning radar signal processing for accurate detection and tracking.
Advantage:
• Factory direct supply, no middlemen.
• Completed certificates such as UL,RoHS,SGS,etc and best quality assurance.
• Sufficient production capacity , short delivery time.
• Professional after-sales service team.
• OEM & ODM available.
