Heading (4-digit)
8504Electrical transformers, static converters (for example, rectifiers) and inductors:
トランスフォーマー、スタティックコンバーター（例えば、整流器）及びインダクター
HS code 8504 is a Heading (4-digit) classification number. In Japan's trade statistics (published by Ministry of Finance), it represents import/export items classified as “Electrical transformers, static converters (for example, rectifiers) and inductors:”. This code has 11 subcategories defined below it.
Latest trade statistics
In May 2026, Japan's imports under HS code 8504 (Electrical transformers, static converters (for example, rectifiers) and inductors:) totaled ¥61B (YoY +27.3%), with a volume of 374,124,050 NO at about ¥164/NO. The top import sources are People's Republic of China (59.5%), Philippines (8.3%), Thailand (5.3%). Exports totaled ¥60B (YoY +18.2%), with a volume of 18,306,814,037 NO at about ¥3/NO. The top export destinations are United States of America (27.0%), People's Republic of China (18.0%), Hong Kong (7.2%).
Export (May 2026)
¥60B
YoY: +18.2%
Qty: 18,306,814,037 NO
Unit price: ¥3/NO
Import (May 2026)
¥61B
YoY: +27.3%
Qty: 374,124,050 NO
Unit price: ¥164/NO
Top export destinations (2025)
| # | Country | Value | Share | Qty | Unit price |
|---|---|---|---|---|---|
| 1 | United States of America | ¥182B | 27.0% | 26,900,912,389 NO | ¥7/NO |
| 2 | People's Republic of China | ¥122B | 18.0% | 77,735,581,492 NO | ¥2/NO |
| 3 | Hong Kong | ¥49B | 7.2% | 34,781,840,753 NO | ¥1/NO |
| 4 | Taiwan | ¥39B | 5.8% | 10,638,197,502 NO | ¥4/NO |
| 5 | Republic of Korea | ¥36B | 5.3% | 25,933,874,805 NO | ¥1/NO |
Top import sources (2025)
| # | Country | Value | Share | Qty | Unit price |
|---|---|---|---|---|---|
| 1 | People's Republic of China | ¥362B | 59.5% | 4,613,567,806 NO | ¥79/NO |
| 2 | Philippines | ¥51B | 8.3% | 901,203,752 NO | ¥56/NO |
| 3 | Thailand | ¥32B | 5.3% | 52,526,957 NO | ¥610/NO |
| 4 | United States of America | ¥30B | 5.0% | 936,665 NO | ¥32,236/NO |
| 5 | Taiwan | ¥20B | 3.2% | 46,478,243 NO | ¥420/NO |
Subcategories11items
Subheading (6-digit)
850410Ballasts for discharge lamps or tubes Ⓐ
Subheading (6-digit)
850421Having a power handling capacity not exceeding 650 kVA:
Subheading (6-digit)
850422Having a power handling capacity exceeding 650 kVA but not exceeding 10,000 kVA
Subheading (6-digit)
850423Having a power handling capacity exceeding 10,000 kVA
Subheading (6-digit)
850431Having a power handling capacity not exceeding 1 kVA Ⓐ
Subheading (6-digit)
850432Having a power handling capacity exceeding 1 kVA but not exceeding 16 kVA Ⓐ
Subheading (6-digit)
850433Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA: Ⓐ
Subheading (6-digit)
850434Having a power handling capacity exceeding 500 kVA
Subheading (6-digit)
850440Static converters: Ⓐ
Subheading (6-digit)
850450Other inductors Ⓐ
Subheading (6-digit)
850490Parts
Related codes
Other codes in the same classification group
8501Electric motors and generators (excluding generating sets):8502Electric generating sets and rotary converters:8505Electro-magnets; permanent magnets and articles intended to become permanent magnets after magnetisation; electro-magnetic or permanent magnet chucks, clamps and similar holding devices; electro-magnetic couplings, clutches and brakes; electro-magnetic lifting heads:8506Primary cells and primary batteries:8507Electric accumulators, including separators therefor, whether or not rectangular (including square):8508Vacuum cleaners:8509Electro-mechanical domestic appliances, with self-contained electric motor, other than vacuum cleaners of heading 85.08:8510Shavers, hair clippers and hair-removing appliances, with self-contained electric motor:8511Electrical ignition or starting equipment of a kind used for spark-ignition or compression-ignition internal combustion engines (for example, ignition magnetos, magneto-dynamos, ignition coils, sparking plugs and glow plugs, starter motors); generators (for example, dynamos, alternators) and cut-outs of a kind used in conjunction with such engines:8512Electrical lighting or signalling equipment (excluding articles of heading 85.39), windscreen wipers, defrosters and demisters, of a kind used for cycles or motor vehicles:8513Portable electric lamps designed to function by their own source of energy (for example, dry batteries, accumulators, magnetos), other than lighting equipment of heading 85.12:8514Industrial or laboratory electric furnaces and ovens (including those functioning by induction or dielectric loss); other industrial or laboratory equipment for the heat treatment of materials by induction or dielectric loss:8515Electric (including electrically heated gas), laser or other light or photon beam, ultrasonic, electron beam, magnetic pulse or plasma arc soldering, brazing or welding machines and apparatus, whether or not capable of cutting; electric machines and apparatus for hot spraying of metals or cermets:8516Electric instantaneous or storage water heaters and immersion heaters; electric space heating apparatus and soil heating apparatus; electro-thermic hair-dressing apparatus (for example, hair dryers, hair curlers, curling tong heaters) and hand dryers; electric smoothing irons; other electro-thermic appliances of a kind used for domestic purposes; electric heating resistors, other than those of heading 85.45:8517Telephone sets, including smartphones and other telephones for cellular networks or for other wireless networks; other apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network), other than transmission or reception apparatus of heading 84.43, 85.25, 85.27 or 85.28:8518Microphones and stands therefor; loudspeakers, whether or not mounted in their enclosures; headphones and earphones, whether or not combined with a microphone, and sets consisting of a microphone and one or more loudspeakers; audio-frequency electric amplifiers; electric sound amplifier sets:8519Sound recording or reproducing apparatus:8521Video recording or reproducing apparatus, whether or not incorporating a video tuner:8522Parts and accessories suitable for use solely or principally with the apparatus of heading 85.19 or 85.21:8523Discs, tapes, solid-state non-volatile storage devices, "smart cards" and other media for the recording of sound or of other phenomena, whether or not recorded, including matrices and masters for the production of discs, but excluding products of Chapter 37:8524Flat panel display modules, whether or not incorporating touch-sensitive screens:8525Transmission apparatus for radio-broadcasting or television, whether or not incorporating reception apparatus or sound recording or reproducing apparatus; television cameras, digital cameras and video camera recorders:8526Radar apparatus, radio navigational aid apparatus and radio remote control apparatus:8527Reception apparatus for radio-broadcasting, whether or not combined, in the same housing, with sound recording or reproducing apparatus or a clock:8528Monitors and projectors, not incorporating television reception apparatus; reception apparatus for television, whether or not incorporating radio-broadcast receivers or sound or video recording or reproducing apparatus:8529Parts suitable for use solely or principally with the apparatus of headings 85.24 to 85.28:8530Electrical signalling, safety or traffic control equipment for railways, tramways, roads, inland waterways, parking facilities, port installations or airfields (other than those of heading 86.08):8531Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 85.12 or 85.30:8532Electrical capacitors, fixed, variable or adjustable (pre-set):8533Electrical resistors (including rheostats and potentiometers), other than heating resistors:8535Electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, fuses, lightning arresters, voltage limiters, surge suppressors, plugs and other connectors, junction boxes), for a voltage exceeding 1,000 volts:8536Electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, relays, fuses, surge suppressors, plugs, sockets, lamp-holders and other connectors, junction boxes), for a voltage not exceeding 1,000 volts; connectors for optical fibres, optical fibre bundles or cables:8537Boards, panels, consoles, desks, cabinets and other bases, equipped with two or more apparatus of heading 85.35 or 85.36, for electric control or the distribution of electricity, including those incorporating instruments or apparatus of Chapter 90, and numerical control apparatus, other than switching apparatus of heading 85.17:8538Parts suitable for use solely or principally with the apparatus of heading 85.35, 85.36 or 85.37:8539Electric filament or discharge lamps, including sealed beam lamp units and ultra-violet or infra-red lamps; arc-lamps; light-emitting diode (LED) light sources:8540Thermionic, cold cathode or photo-cathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode-ray tubes, television camera tubes):+8
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