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Products
3314J-2 High Resistance Potentiometer
The 3314J-2 High Resistance Potentiometer is a sealed SMD cermet trimmer designed for high-impedance circuit adjustments. It offers specialized high ohmic values like 1MΩ or 2MΩ, supporting bias setting and signal conditioning. The standard resistance ranges from 100Ω to 2MΩ, with power rating 0.25W at 85°C and operating temperature -55°C to +125°C.
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Product Description
The 3314J-2 High Resistance Potentiometer is a sealed SMD cermet trimmer designed for high-impedance circuit adjustments. It offers specialized high ohmic values like 1MΩ or 2MΩ, supporting bias setting and signal conditioning. The standard resistance ranges from 100Ω to 2MΩ, with power rating 0.25W at 85°C and operating temperature -55°C to +125°C.
Product Parameter
Features & Specifications
Sealed construction, top cross/slot adjustment, SMT compatible.
Resistance range: 10Ω ~ 2MΩ (High resistance: 500kΩ, 1MΩ, 2MΩ).
Tolerance: ±20% standard (±10% custom).
Power rating: 0.25W @85℃, derated to 0W @125℃.
Dielectric strength: 500V AC.
TCR: ±100ppm/℃ (for high resistance range).
Mechanical life: 200 cycles, ΔR/R ≤ ±5%.
Dimensions & Packaging(approx. 255 characters)
Dimensions (typical top-adjust type): 4.5mm × 4.5mm × 2.55mm (L×W×H). Bottom pad spacing: 3.0mm center-to-center.
Packaging: Tape & Reel, 500 or 1000 pcs per reel. High-resistance versions use anti-static moisture-proof bags before taping to ensure stability against humidity. Suitable for automatic pick-and-place machines.
Sealed construction, top cross/slot adjustment, SMT compatible.
Resistance range: 10Ω ~ 2MΩ (High resistance: 500kΩ, 1MΩ, 2MΩ).
Tolerance: ±20% standard (±10% custom).
Power rating: 0.25W @85℃, derated to 0W @125℃.
Dielectric strength: 500V AC.
TCR: ±100ppm/℃ (for high resistance range).
Mechanical life: 200 cycles, ΔR/R ≤ ±5%.
Dimensions & Packaging(approx. 255 characters)
Dimensions (typical top-adjust type): 4.5mm × 4.5mm × 2.55mm (L×W×H). Bottom pad spacing: 3.0mm center-to-center.
Packaging: Tape & Reel, 500 or 1000 pcs per reel. High-resistance versions use anti-static moisture-proof bags before taping to ensure stability against humidity. Suitable for automatic pick-and-place machines.
Product Feature
Product Advantages
Cermet element ensures low contact resistance and long rotational life (200 cycles). The sealed design withstands board washing, preventing dust and flux ingress. High-resistance versions feature extremely low leakage current and excellent long-term stability with ±100ppm/℃ TCR. RoHS compliant and lead-free, suitable for automated SMT assembly, providing consistent trim accuracy for mass production.
Applications
Ideal for high input impedance amplifier bias adjustment, sensor nulling, precision voltage dividers, battery management voltage sensing, and medical/instrumentation circuits requiring high resistance. Suitable as a backup for digital pots or manual calibration in high-ohm paths, especially in portable low-power devices where leakage current must be strictly limited.
Cermet element ensures low contact resistance and long rotational life (200 cycles). The sealed design withstands board washing, preventing dust and flux ingress. High-resistance versions feature extremely low leakage current and excellent long-term stability with ±100ppm/℃ TCR. RoHS compliant and lead-free, suitable for automated SMT assembly, providing consistent trim accuracy for mass production.
Applications
Ideal for high input impedance amplifier bias adjustment, sensor nulling, precision voltage dividers, battery management voltage sensing, and medical/instrumentation circuits requiring high resistance. Suitable as a backup for digital pots or manual calibration in high-ohm paths, especially in portable low-power devices where leakage current must be strictly limited.
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