Vishay PTM Series Metal Glaze Trimmer
Vishay PTM metal glaze trimmers offer cermet-like performance with superior wear resistance for audio and RF applications. This variable resistor uses metal glaze technology, fitting HTS 8533.40.80.60 for other potentiometers excluding heating types. Ideal for fine-tuning in communication devices.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wirewound construction instead of metal glaze
Wirewound variable resistors have separate subheading from metal film/glaze types.
If imported as parts of automatic data processing machines
Computer-specific potentiometers may follow ADP equipment parts classification.
If precision type for measuring instruments
High-accuracy calibration potentiometers can qualify as parts of measuring appliances.
Not sure which classification is right?
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Import Tips & Compliance
• Submit detailed technical drawings showing metal glaze element and wiper mechanism to prevent reclassification
• For high-volume imports, obtain advance ruling from CBP on potentiometer vs rheostat distinction
• Watch for anti-dumping duties if sourced from specific Asian manufacturers; check Commerce Department lists
Related Products under HTS 8533.40.80.60
Bourns 3296W Metal Glaze Potentiometer
The Bourns 3296W is a precision trimming potentiometer featuring a metal glaze resistive element for high stability and reliability in harsh environments. It is classified under HTS 8533.40.80.60 as a variable resistor (potentiometer) with metal glaze construction, excluding heating applications. Commonly used in industrial control circuits and instrumentation.
Murata PVG3A Metal Glaze Potentiometer
Murata PVG3A series features compact metal glaze elements for surface-mount automotive electronics requiring vibration resistance. Classified in HTS 8533.40.80.60 as other metal glaze variable resistors (potentiometers). Used in ECUs and sensor calibration.
ALPS RK09L Metal Glaze Rotary Potentiometer
ALPS RK09L provides logarithmic taper metal glaze resistance for volume controls in consumer audio equipment. HTS 8533.40.80.60 covers this other variable resistor type excluding heating elements. Popular in amplifiers and mixing consoles.
TT Electronics P160K Metal Glaze Trimmer Potentiometer
TT Electronics P160K offers sealed metal glaze construction for military and aerospace trimming applications. This potentiometer qualifies under HTS 8533.40.80.60 as other metal glaze variable resistors. Meets MIL-PRF-22097 standards.
Ohmite T93 Metal Glaze Precision Potentiometer
Ohmite T93 series metal glaze potentiometers deliver 0.5% linearity for test equipment calibration. Classified HTS 8533.40.80.60 as other variable resistors with metal glaze elements. Used in multimeters and signal generators.