Vishay Spectrol 534 Series Wirewound Potentiometer
The Vishay Spectrol 534 is a 10-turn wirewound potentiometer with 2-watt power dissipation, offering linearity of 0.1% for test and measurement equipment. Classified under HTS 8533.39.00 as other wirewound variable resistors, it provides reliable resistance adjustment in precision instrumentation.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed primarily for heating
Resistors intended to produce heat (e.g., for thermal control) are classified separately from non-heating variable types.
If when sold as part of completed measuring instrument
If integral to a finished voltmeter or calibrator, the entire assembly may classify under parts of measuring instruments.
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Import Tips & Compliance
• Label components clearly with model numbers and 'wirewound variable resistor' to facilitate CBP verification
• Obtain supplier declarations confirming not heating resistors; provide tolerance and linearity specs
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
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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.