Bourns 3590S Precision Wirewound Potentiometer

This 10-turn precision wirewound potentiometer from Bourns features a 1.5 watt power rating and adjustable resistance up to 10k ohms, used in industrial control panels for accurate voltage division. It falls under HTS 8533.39.00 as a wirewound variable resistor (potentiometer), other than heating types, designed for precise manual adjustment in electronic circuits.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8533.10.00Same rate: 35%

If non-variable fixed resistor

Fixed wirewound resistors without adjustment mechanism fall under the fixed resistor subheading, not variable types.

8536.90.40Same rate: 35%

If imported as complete electrical apparatus part

If entered as an integral component of a larger machine like a motor control unit, it may classify under apparatus parts rather than standalone resistors.

8543.90.88Same rate: 35%

If for semiconductor manufacturing equipment

Precision resistors for specialized equipment like wafer fab tools may classify as electrical machines parts under Chapter 84/85 hybrids.

Not sure which classification is right?

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Import Tips & Compliance

Verify resistance value, power rating, and wirewound construction via manufacturer specs to confirm HTS 8533.39.00 classification; fixed resistors go to 8533.10

Include detailed datasheets and test reports showing variable resistance functionality to avoid misclassification as parts of other machinery

Related Products under HTS 8533.39.00

Ohmite RHS 50 Rheostat

The Ohmite RHS 50 is a adjustable wirewound rheostat rated at 50 ohms and 25 watts, used in laboratory power supplies for current limiting. It qualifies for HTS 8533.39.00 as a wirewound variable resistor (rheostat type), excluding heating applications.

Allen-Bradley 1492 Series Wirewound Potentiometer

Allen-Bradley 1492 wirewound potentiometers are industrial-grade adjustable resistors used in PLC control systems for analog signal adjustment. HTS 8533.39.00 covers these other wirewound variable types for non-heating electrical applications.

Piher PCW Series Conductive Plastic/Wirewound Hybrid Potentiometer

Piher PCW series combines wirewound precision with conductive plastic for automotive dashboard controls, offering long-life adjustment. Falls under HTS 8533.39.00 as other wirewound variable potentiometers.

Caddock USVD Series Ultra-Precision Wirewound Potentiometer

Caddock USVD ultra-stable wirewound potentiometers achieve 0.01% linearity for aerospace instrumentation and calibration standards. HTS 8533.39.00 applies to these high-spec other wirewound variable resistors.

Megatron RV24AF Wirewound Potentiometer

Megatron RV24AF 6mm shaft wirewound potentiometers serve audio mixing consoles for volume and balance control with smooth adjustment. Classified HTS 8533.39.00 as other wirewound variable types.

Spectrol 3600 Precision Wirewound Rheostat

Spectrol 3600 series multi-turn wirewound rheostats provide coarse current adjustment in research power supplies up to 5 amps. HTS 8533.39.00 for these other variable wirewound resistors.