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3214J 0.25W 10k Ohm 5 Turn Multiturn Precision Trimmer Potentiometer
Features
• Surface Mount 4 mm Square /Multi-turn / Cermet / Industrial / Sealed.
• Using materials imported from the Netherlands.
• Sealed to withstand board wash processing.
• Meet the requirements for reflow soldering process.
• Adopting reel packaging to meet automated installation processes.
Description
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The 3214J SMD Trimmer Potentiometer is a compact, high-precision solution designed for modern electronic applications. Featuring a 4 mm square, multi-turn cermet design, this industrial-grade component ensures excellent stability and durability.Its housing is made from Dutch-imported, high-temperature resistant material, making it suitable for reflow soldering processes and enhancing reliability under demanding conditions. With a sealed construction, the 3214J withstands board washing and environmental exposure, ensuring long service life.Delivered in reel packaging for automated installation, this model also offers side adjustment, providing easy calibration access during circuit tuning. Commonly used in telecommunications, instrumentation, industrial control, and consumer electronics, the 3214J combines performance with ease of integration.
Specifications
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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’).
Applications
• Telecommunications – For signal adjustment and precise circuit control.
• Industrial Electronics – Used in automation equipment and control boards.
• Instrumentation & Measurement – Circuit fine-tuning in precision instruments.
• Medical Devices – Ensures high reliability and stable performance.
• Consumer Electronics – Suitable for compact and high-precision adjustment circuits.
• Automotive Electronics – Applied in sensors and control modules for accurate calibration.
Advantages
• 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.