3266W-1-502LF 0.25W 5K Ohms Through Hole 1/4" Cermet Trimmer
Trimming Potentiometer
Quick Detail
■ Multiturn / Cermet / Industrial / Sealed.
■ Standoffs allow thorough PC board washing.
■ Nominal resistance 5k ohms.
■ High precision and reliable performance.
■ Effective travel 10±2 Turns, total mechanical travel 12±2 Turns.
Description
The 3266W-1-502LF cermet trimmer potentiometer is a versatile
component tailored for industrial applications requiring precision
and reliability. This multiturn trimmer features a robust cermet
element and is sealed to withstand challenging environmental
conditions, ensuring consistent performance over time. It offers
three terminal styles for flexible integration into various circuit
designs.
With a nominal resistance of 5k ohms and a tolerance of 10%, the
trimmer allows precise resistance adjustments. It provides a total
mechanical travel of 12±2 turns, facilitating fine-tuning in
electronic circuits. Rated at 0.25W at 70℃, it efficiently manages
moderate power levels. The temperature coefficient of 100 ppm/°C
minimizes resistance variation with temperature changes,
maintaining stability across different operating conditions.
The 3266W-1-502LF combines ease of use with high precision. Its
sealed construction and standoffs enable thorough washing of PC
boards, making it suitable for applications where cleanliness is
critical. This trimmer potentiometer is an excellent choice for
industrial control systems, telecommunications equipment, and other
demanding applications where durable and accurate performance is
essential.
Specification
Electrical Characteristics | Nominal 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. R1≥1GΩ |
| Withstand Voltage | 101.3KPa,500 Vac；8.5KPa,250 Vac |
| Dielectric Strength Sea Level | 500 Vac(1 Min.) |
| Effective Travel | 10(±2)Turns |
| 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(300 volts max.) | 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 Turns |
| 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 3266W-1-502LF cermet trimmer potentiometer is specifically used
in various electronic devices and equipment due to its precision
and reliability:
• Industrial Control Systems: It is employed for fine-tuning parameters in PLCs (Programmable
Logic Controllers), industrial automation equipment, and
instrumentation.
• Telecommunications Equipment: Used for precise calibration and adjustment of signals in modems,
routers, and communication devices.
• Medical Devices: Found in equipment such as patient monitoring systems and
diagnostic devices where accurate resistance adjustments are
crucial for reliable operation.
• Audio Equipment: Utilized in audio amplifiers, equalizers, and other audio
processing devices to achieve optimal sound quality through precise
resistance settings.
• Automotive Electronics: Incorporated into electronic control units (ECUs), sensors, and
automotive instrumentation for calibration and adjustment of
voltage and current levels.
These applications benefit from the 3266W-1-502LF's ability to
provide stable and accurate resistance adjustments over a wide
range of environmental conditions, making it a versatile choice for
diverse electronic systems and devices.
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.
