3214J 0.25W 10k Ohm 5 Turn Multiturn Precision Trimmer
Potentiometer
Description
The 3214J trimmer potentiometer is a highly regarded component in
electronic engineering. Renowned for its compact design and
precision, it enables fine adjustments within electronic circuits.
Widely utilized in applications such as audio equipment,
instrumentation, and electronic prototyping, the 3214J trimmer
potentiometer stands as a testament to BOCHEN' commitment to
quality and innovation in the field of electronic components.
Feature
• Surface Mount 4 mm Square /Multiturn / Cermet / Industrial /
Sealed.
• 4 mm design meets EIA/EIAJ/IPC/VECI SMD standard trimmer
footprint.
• Sealed to withstand board wash processing.
• Pick and place centering design, with flush adjustment.
Specification
| Electrical Characteristics | Nominal Resistance Range | 50Ω~2MΩ |
| 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 | 4±2 Turns |
| Environment Characteristics | Weld Heat Resistance | 250℃ , 10 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 | 5±2 Turns |
| Starting Torque | ≤25 mN.m |
| Clutch Torque | ≤35 mN.m |
Dimension
Packaging
Packaging specification: 500 Pieces/Tray (7‘) , 1500 Pieces/Tray (13’).
Application
The 3214J cermet trimmer potentiometer is a versatile component
that finds applications across various devices and industries due
to its precision, reliability, and durability. Here are some
typical applications and industries where the 3214J cermet trimmer
potentiometer is commonly used:
1.Calibration and Tuning:
• Test and Measurement Equipment: Used for calibrating instruments
and fine-tuning measurements.
• Oscilloscopes and Signal Generators: For precise adjustment of
signal parameters.
• Analog and Digital Meters: Ensuring accurate readouts and
measurements.
2.Consumer Electronics:
• Audio Equipment: Adjusting tone and volume controls in
high-fidelity audio systems.
• Televisions and Radios: Tuning circuits for clear signal reception.
• Gaming Consoles: Calibration of control interfaces and sensitivity
settings.
3.Industrial Control Systems:
• Automation Equipment: Fine-tuning of sensors and control loops in
industrial automation.
• Robotics: Adjusting parameters for precise movement and operation.
• Motor Controllers: Setting speed and torque parameters for electric
motors.
4.Medical Devices:
• Diagnostic Equipment: Calibration of sensors and transducers for
accurate diagnostics.
• Patient Monitoring Systems: Adjusting sensitivity and thresholds in
monitoring devices.
• Therapeutic Devices: Ensuring precise control of treatment
parameters.
5.Communications Equipment:
• Radio Frequency (RF) Devices: Tuning and matching circuits in RF
communication equipment.
• Telecommunications Infrastructure: Adjusting signal levels and
parameters in networking equipment.
6.Automotive Electronics:
• Engine Control Units (ECUs): Fine-tuning parameters for optimal
engine performance.
• Dashboard Instruments: Calibration of gauges and indicators.
• Infotainment Systems: Adjusting audio and display settings.
The 3214J cermet trimmer potentiometer's robust design with high
resistance to environmental factors makes it suitable for
applications where precision and reliability are paramount. Its use
in fine-tuning and calibration ensures that devices operate within
their optimal parameters, enhancing performance and longevity.
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.
