Varicap Tuning Diode BB131
The BB131 varicap (varactor) diode varies capacitance with reverse bias voltage, used in radio tuners and voltage-controlled oscillators. As a voltage-variable capacitor diode, it falls under HTS 8541.10.00 for non-photosensitive diodes.
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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.
If containing piezo-electric crystals
Varactors with crystal elements shift classification.
If part of transmission apparatus for radio
Tuning components integral to communication equipment.
If functioning primarily as fixed variable capacitor
Capacitor-like behavior in certain circuits.
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Import Tips & Compliance
• Document capacitance range vs. voltage to classify correctly vs. fixed capacitors
• Specify frequency range for telecommunications end-use declarations
• Avoid misdeclaration as piezoelectric crystal under 8541.60
Related Products under HTS 8541.10.00
1N4007 Rectifier Diode
The 1N4007 is a standard silicon rectifier diode designed for general-purpose rectification in power supplies and chargers. It allows current to flow in one direction only, blocking reverse voltage up to 1000V, classifying it under HTS 8541.10.00 as a non-photosensitive, non-LED diode. This component is essential for converting AC to DC in electronic circuits.
1N4148 Switching Diode
The 1N4148 is a high-speed silicon switching diode used in signal processing, protection circuits, and high-frequency applications. It features fast switching times under 4ns, fitting HTS 8541.10.00 as a non-photosensitive diode. Commonly found in computers, telecommunications, and consumer electronics.
Zener Diode 1N4733A
The 1N4733A is a 5.1V Zener diode used for voltage regulation and reference in power supplies and stabilizers. It maintains constant voltage across its terminals under reverse bias, qualifying under HTS 8541.10.00 for non-light-emitting diodes. Critical for protecting circuits from voltage spikes.
Schottky Barrier Diode BAT54
The BAT54 is a Schottky diode with low forward voltage drop (0.3V) ideal for high-efficiency rectification in switch-mode power supplies and RF detectors. Its metal-semiconductor junction enables fast switching, placing it under HTS 8541.10.00 as a non-photosensitive diode.
Germanium Point Contact Diode OA90
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