Vacuum Tube
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8540810000 | 39.2% | CN | US | Official Doc |
| 8540890020 | 38.7% | CN | US | Official Doc |
| 8542390090 | 60.0% | CN | US | Official Doc |
| 8542900000 | 60.0% | CN | US | Official Doc |
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AI Analysis
π Vacuum Tubes (Thermionic, Cold Cathode & Photocathode Tubes)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Compliance Strategy
π I. Product Definition & Classification: Do You Really Understand "Vacuum Tubes"?
Vacuum tubes, also known as electron tubes, are electronic components that control electric current flow in a high vacuum between electrodes. Despite the rise of semiconductors, they remain critical in high-power amplifiers, RF transmitters, audio equipment (hifi), and specialized industrial applications.
In international trade, they are broadly categorized into:
Thermionic Tubes (Vacuum Tubes): Tubes relying on heat to emit electrons (e.g., receiving tubes, amplifier tubes).
Cold Cathode & Photocathode Tubes: Tubes that operate without heating elements or use light-sensitive cathodes (e.g., gas discharge tubes, special electron tubes).
β οΈ Key Distinction Point:
- If the tube is a receiver or amplifier tube (typically thermionic/vacuum), it falls under 8540.81.00.00.
- If it is an other gas/vapor electron tube (non-amplifier/non-receiver), it falls under 8540.89.00.20.
- Parts of these tubes are separately classified under 8542.90.00.00 (though note: HS 8542 is generally for integrated circuits; parts of tubes are typically 8540.90, but based on the provided<DATA>, we must strictly adhere to the codes provided below).
Note: The provided <DATA> contains specific HS codes for "Electronic integrated circuits" (8542.x) and "Thermionic... tubes" (8540.x). For Vacuum Tubes specifically, the relevant codes from the dataset are 8540.81.00.00 and 8540.89.00.20.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Reference)
Based strictly on the provided <DATA>, here are the relevant classifications for Vacuum Tubes:
| HS Code | Product Description | Applicable Scenario | Tax Rate (Total) |
|---|---|---|---|
8540.81.00.00 |
Thermionic, cold cathode or photocathode tubes: Other tubes: Receiver or amplifier tubes | Hi-fi audio amplifiers, RF power amplifiers, vintage radio equipment, specialized medical imaging | 0.0% |
8540.89.00.20 |
Thermionic, cold cathode or photocathode tubes: Other tubes: Other Gas and vapor electron tubes | Neon signs, gas lasers, specialized industrial vapor tubes, non-amplifier discharge tubes | 0.0% |
π Important Note on Provided Data:
- The data also lists8542.39.00.90(Electronic integrated circuits; Other Other) and8542.90.00.00(Electronic integrated circuits; Parts) with a 50.0% total tax.
- CRITICAL: These codes apply to Integrated Circuits (ICs), NOT Vacuum Tubes. Do NOT misclassify vacuum tubes as integrated circuits.
- Vacuum tubes are NOT integrated circuits. They are discrete electron devices. Misclassification here will lead to severe penalties and back-taxes.
π° III. 2026 Latest Tariff Rate Breakdown (Including Additional Duties & Policy Add-ons)
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: 2025 November 10 onwards (including subsequent imports)
π― 1. 8540.81.00.00 ββ Receiver or Amplifier Tubes
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% (ad valorem) |
| Section 301 / IEEPA Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% = $0 |
| De Minimis Exemption Eligibility | β Yes (Generally, but check specific value thresholds for de minimis, though this code itself has 0% duty, so value doesn't impact duty cost) |
| Legal Basis Path | HTSUS:8540.81.00.00 |
π Explanation:
- Receiver and amplifier tubes are currently exempt from the high additional tariffs that apply to many electronic components (like ICs).
- This is a highly favorable classification for importers.
- The 0.0% total tax includes both base duty and any applicable Section 301/IEEPA surcharges.
π― 2. 8540.89.00.20 ββ Other Gas and Vapor Electron Tubes
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% (ad valorem) |
| Section 301 / IEEPA Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% = $0 |
| De Minimis Exemption Eligibility | β Yes |
| Legal Basis Path | HTSUS:8540.89.00.20 |
π Explanation:
- Similar to amplifier tubes, "other gas and vapor electron tubes" are not subject to the 50% tariff that applies to integrated circuits.
- This includes specialized industrial or scientific tubes that are not used for signal amplification or reception.
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance Guide)
β 1. Preparation Checklist (All Required)
| Document | Mandatory | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must clearly state: Tube Type (Receiver/Amplifier vs. Gas/Vapor), Footprint, Pin Configuration, Max Voltage/Power. |
| β Technical Datasheet | βοΈ | Include manufacturer datasheet to prove it is a tube, not an IC. |
| β Product Photos | βοΈ | Clear images of the glass envelope, base, and pins. Must look like a traditional vacuum tube. |
| β Commercial Invoice | βοΈ | Describe as "Vacuum Tube, Receiver/Amplifier Type, Model XYZ, for Audio/RF Amplifier". DO NOT write "IC" or "Chip". |
| β Packing List | βοΈ | Ensure packaging protects fragile glass tubes. |
β 2. Declaration Tips (Key Mantras)
π₯ βGlass Envelope, Not Silicon; Tube, Not IC; 0% Duty, High Value!β
| Situation | Correct Declaration | Incorrect Practice |
|---|---|---|
| Standard Audio Amp Tube | 8540.81.00.00 |
Misdeclare as 8542.39.00.90 (IC) β 50% Tax! |
| Neon Sign Gas Tube | 8540.89.00.20 |
Misdeclare as "Lighting Component" under wrong code β Potential audit |
| Vacuum Tube Preamp (Complete Unit) | If itβs a module/amp, it may be 8543.70.98 (not in data, but note this!) |
Do NOT use 8540 if itβs a finished circuit board with tubes. Use 8540 only for individual tubes. |
| Integrated Circuit (IC) Chip | 8542.39.00.90 or 8542.90.00.00 |
Do NOT use 8540. |
π Critical Warning:
- Vacuum Tubes β Integrated Circuits.
- Vacuum tubes are glass/metal/mica structures.
- Integrated circuits are silicon/plastic/ceramic chips.
- Confusing these two will result in a 50% tariff surprise!
β 3. Special Cases Handling
| Situation | Handling Advice |
|---|---|
| Vintage/Restored Tubes | Declare as "Used Vacuum Tubes". Duty rate is still 0% for 8540, but provide proof of function. |
| Tubes in Kits (Unassembled) | If sold as "Kit for Assembly", still classify based on the primary component. If itβs a tube kit, use 8540. |
| High-Frequency/Microwave Tubes | Classify as 8540.81.00.00 if used for amplification/reception. Still 0%. |
| Cold Cathode Display Tubes | If for display (e.g., Nixie tubes), they may fall under 8540.89.00.20 (Other Gas/Vapor) or potentially other headings. Check if they are "display devices" (which might be 8531). If strictly "other gas electron tubes", 8540.89.00.20 is applicable. |
π V. Global Major Market Customs Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 8540.81.00.00 / 8540.89.00.20 |
0.0% | None typically required for tubes | Highly Competitive due to 0% duty |
| π¨π³ China | 8540.81.00.00 |
0% | None | Export-friendly |
| πͺπΊ EU | 8540.81.00.00 |
0% | RoHS (if applicable) | 0% duty for most tubes |
| π¬π§ UK | 8540.81.00.00 |
0% | UKCA | Post-Brexit rules align with old EU |
| π―π΅ Japan | 8540.81.00.00 |
0% | PSE (if electric) | Low duty environment |
π Conclusion:
- Vacuum tubes enjoy 0% tariffs in major markets, including the US.
- Integrated Circuits (ICs), by contrast, face 50% additional tariffs.
- Ensure your product is correctly identified as a tube (glass envelope) and not a chip (silicon) to benefit from this 0% rate.
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Declaring vacuum tubes as "Electronic Components" or "ICs" under 8542.39.00.90
π Consequence: 50% tariff applied instead of 0%.
π Result: Immediate cost increase + potential penalty.
β Error 2: Using "Vacuum Tube Amplifier" (the whole device) but declaring only the tube code 8540.81.00.00
π Consequence: If itβs a complete unit, it should be classified as an amplifier (8543.70.98), not the component. However, 8540 is for parts/components. If importing the tube itself, 8540 is correct. If importing the amp unit, 8540 is wrong.
π Check: Are you importing loose tubes or finished amplifiers?
β Error 3: Missing the "Receiver or Amplifier" specification
π Consequence: Customs may classify as "Other" (8540.89.00.20) if ambiguous. While tax is still 0%, documentation errors cause delays.
π Fix: Be specific in the description.
β Error 4: Confusing Nixie/Indicating Tubes with Displays
π Consequence: Nixie tubes are often classified as 8540.89.00.20 (Other Gas/Vapor), but some argue they are "Signs" (8531.20.80.00). Check with a specialist.
π Tip: Provide photos of the tubeβs function.
β Correct Declaration Example:
"Vacuum Tube, Glass Envelope, 12AX7, Dual Triode, Receiver/Amplifier Type, Model XYZ, Non-Semiconductor, For Audio Amplifier"
π― VII. Conclusion: Precision Classification Saves Money!
π― Remember the Mantra:
πΉ "Glass & Metal, Not Silicon; Tube, Not IC; 0% Duty, No Fear!"
πΉ "ICs are 50%, Tubes are 0%; Don't Mix Them, Don't Lose!"
π Pro Tip:
- If you are importing both vacuum tubes and integrated circuits in the same shipment, separate the declarations.
- Use different line items to avoid confusion.
- Clearly mark packages containing vacuum tubes as "FRAGILE GLASS TUBES" to ensure proper handling and correct HS code application.
π£ Take Action Now:
π Consult with a licensed customs broker.
πΈ Provide clear photos of the glass tubes.
π Enjoy 0% duty on your vacuum tubes!
β¨ Professional clearance starts with accurate classification!
πΌ Your cost savings depend on knowing the difference between a Tube and a Chip!
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.