About HS Code 850431
This HS code covers small, general-purpose electrical transformers that do not use liquid dielectric insulation and have a power handling capacity of up to 1kVA. These "dry-type" transformers are ubiquitous in electronics, consumer appliances, control systems, and low-power industrial applications where safety, size, and cost are critical. They are often used to step down voltage for electronic circuits or provide isolation. International trade in these transformers is vast and global, driven by the manufacturing of a wide array of electronic and electrical goods. Major importers include countries with large electronics assembly industries, such as China, Mexico, and Vietnam, as well as industrialized nations for repair and replacement markets like the USA and Germany. Exporters are typically countries with strong electronics manufacturing bases, including China, Taiwan, and various European countries. Buyers prioritize compact size, efficiency, safety certifications, and cost-effectiveness.
Products Under This Code
Control transformers, Isolation transformers, Audio transformers, Power supply transformers, PCB mount transformers, Bell transformers, Medical isolation transformers
Real World Examples
Hammond Manufacturing control transformers, Triad Magnetics audio transformers, Talema toroidal transformers, Murata power transformers, Pulse Electronics signal transformers
Common Misclassification
These can be confused with power supplies (8504.40) if they integrate rectification or other functions, or with slightly larger dry-type transformers (8504.32) if the kVA limit is not strictly observed. The "dry-type" and "not exceeding 1kVA" are key.
Industry
This code belongs to the Electronics & Electrical Equipment industry.
Trade Overview
China, Mexico, and the USA are top importers, while China, Germany, and Japan are leading exporters.
Frequently Asked Questions
What is HS code 850431?
HS code 850431 covers: Electrical transformers; n.e.c. in item no. 8504.2, having a power handling capacity not exceeding 1kVA. This HS code covers small, general-purpose electrical transformers that do not use liquid dielectric insulation and have a power handling capacity of up to 1kVA. These "dry-type" transformers are ubiquitous in electronics, consumer appliances, control systems, and low-power industrial applications where safety, size, and cost are critical. They are often used to step down voltage for electronic circuits or provide isolation. International trade in these transformers is vast and global, driven by the manufacturing of a wide array of electronic and electrical goods. Major importers include countries with large electronics assembly industries, such as China, Mexico, and Vietnam, as well as industrialized nations for repair and replacement markets like the USA and Germany. Exporters are typically countries with strong electronics manufacturing bases, including China, Taiwan, and various European countries. Buyers prioritize compact size, efficiency, safety certifications, and cost-effectiveness.
What products fall under HS code 850431?
Control transformers, Isolation transformers, Audio transformers, Power supply transformers, PCB mount transformers, Bell transformers, Medical isolation transformers
What are common misclassifications for HS code 850431?
These can be confused with power supplies (8504.40) if they integrate rectification or other functions, or with slightly larger dry-type transformers (8504.32) if the kVA limit is not strictly observed. The "dry-type" and "not exceeding 1kVA" are key.
How is HS code 850431 structured?
HS code 850431 is a 6-digit subheading under the Harmonized System. The first 2 digits (85) identify the chapter, digits 3-4 (04) identify the heading, and digits 5-6 (31) specify the subheading. This code is standardized globally by the World Customs Organization.