3266A 0.25w 10k Ohm 12 Turn Multiturn Cermet Trimmer Potentiometer
Description
The 3266A cermet trimmer potentiometer is a type of adjustable resistor used for precise calibration and adjustment in electronic circuits. It typically features a small, adjustable shaft and three pins for connections. This trimmer potentiometer is designed for applications where space is limited, offering fine-tuning capabilities for parameters such as voltage, current, or signal levels. It is commonly utilized in electronic devices to ensure accurate and reliable performance.
Specification
| Electrical Characteristics | Nominal Resistance Range | 10Ω-5MΩ |
| Resistance Tolerance | ±10% | |
| Terminal Resistance | ≤±1% R or 3Ω | |
| Contact Resistance Variation | ≤3%R or 3Ω | |
| Insulation Resistance | 500 Vdc. R1≥1GΩ | |
| Withstand Voltage | 101.3KPa,500 Vac；8.5KPa,250 Vac | |
| Dielectric Strength Sea Level | 500 Vac(1 Min.) | |
| Effective Travel | 10(±2) Turn | |
| Environment Characteristics | Weld Heat Resistance | Wave Soldering: Temp: 260 ℃ ± 5 ℃, T: 3 ± 1 Secs. Soldering Iron Welding: Temp: 320 ℃ ± 5 ℃, T: ≤ 2 Secs. |
| Rated Power | 70℃,0.25W；125℃,0W | |
| Temperature Range | -55°C ~ + 125°C | |
| Temperature Coefficient | ±250,±100 ppm /°C | |
| Temperature Variation | ΔR≤±2%R, Δ(Uab/Uac)≤±1% | |
| Collision | 10-500Hz,0.75mm,6h ΔR≤±1%R, Δ(Uab/Uac)≤±2% |
|
| Vibration | 100G, ΔR≤±1%R,Δ(Uab/Uac)≤±2% | |
| Electrical Endurance At 70°C | 1000 hours @ 70℃ Rated Power; ΔR≤±3%R | |
| Mechanical Endurance | 200 cycles,ΔR≤±3%R | |
| Physical Characteristics | Total Mechanical Travel | 12±2 Turn |
| 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 3266A cermet trimmer potentiometer is widely used in various fields for its precision and reliability:
• Telecommunications: Ensures accurate signal calibration in communication devices.
• Industrial Controls: Fine-tunes parameters in automated systems for optimal performance.
• Medical Devices: Adjusts critical components in medical equipment for precise operation.
• Automotive Electronics: Controls voltage and current levels in automotive systems.
• Consumer Electronics: Provides precise adjustments in audio equipment and other consumer devices.
These applications benefit from the trimmer’s compact design, high precision, and stable performance characteristics.
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.
