3323R 0.5W 1/4″ Square Single Turn Cermet Trimmer Trimming Potentiometer

Feature: 

• Rated power is 0.5W.
• Wide ohmic range (10 Ω to 5 MΩ).
• Miniature /industrial /single turn /cermet trimmer.
• Low contact resistance variation(≤3%R or 3Ω).
• Rotor designed for automatic machine adjust interface.
• High precision, precision adjustable, and all performances are stable and reliable.

Description:

The 3323R cermet trimmer potentiometer is a miniature, industrial-grade, single-turn component designed for high precision and reliability. With a rated power of 0.5W, it offers a wide ohmic range from 10 Ω to 5 MΩ with a tolerance of 10%, making it suitable for a variety of applications. Its rotor is engineered for automatic machine adjustment interfaces, ensuring efficient and accurate calibration. The trimmer features low contact resistance variation, maintaining changes within ≤3%R or 3Ω, which contributes to its stable and reliable performance. Known for its high precision and adjustable nature, the 3323R cermet trimmer is an ideal choice for applications requiring consistent and dependable performance.

Specification:

Electrical Characteristics:

Resistance Range: 10Ω-5MΩ
Resistance Tolerance: ±10%
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
Withstand Voltage: 101.3KPa,500 Vac；8.5KPa,250 Vac
Dielectric Strength: 500 Vac(1 Min.)
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:

Dimensions in mm, tolerances ±0.30 mm unless otherwise specified.

Packaging:

Packaging specification: 50 pieces/tube, 5000 pieces/carton. 

Application:

• Precision Instrumentation:
Calibration Devices: Fine-tuning measurement instruments for accurate readings.
Laboratory Equipment: Adjusting parameters in analytical devices for precise results.

• Consumer Electronics:
Audio Systems: Adjusting volume and tone controls for high-fidelity sound.
Home Entertainment: Calibration of display and sound settings in TVs and home theaters.

• Medical Equipment:
Portable Monitors: Fine-tuning sensors in portable patient monitoring devices.
Diagnostic Tools: Ensuring accurate calibration in devices like ECG and blood pressure monitors.

• Automotive Systems:
Engine Management: Adjusting sensor inputs for optimal engine performance.
Dashboard Electronics: Calibrating gauges and displays for accurate information.

• Telecommunication Devices:
Signal Processing: Tuning RF circuits for clear communication signals.
Network Hardware: Adjusting performance settings in routers and modems.

• Industrial Controls:
Automation Systems: Fine-tuning control parameters in automated machinery.
Sensor Calibration: Ensuring accurate readings in various industrial sensors.

• Aerospace Technology:
Navigation Systems: Adjusting parameters for precise navigation and control.
Communication Equipment: Ensuring reliable operation of communication systems.

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.