Brazil NCM · 8-digit subitem

NCM 8542.31.20 – SMD processor and controller ICs

NCM 8542.31.20 (also written 85423120) is Brazil's code for sMD processor and controller ICs. Its first 6 digits are HS code 8542.31.

Official description of NCM 8542.31.20

PortuguêsOfficial
Montados, próprios para montagem em superfície (SMD - Surface Mounted Device)
EnglishUnofficial translation

Mounted, suitable for surface mounting (SMD - Surface Mounted Device)

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 8542.31.20

85Chapter 42Heading 31Subheading

HS code 8542.31
Same in every country

2Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 85 Electrical machinery and equipment and parts thereof; sound recorders and reproducers; television image and sound recorders and reproducers, parts and accessories of such articles Máquinas, aparelhos e materiais elétricos, e suas partes; aparelhos de gravação ou de reprodução de som, aparelhos de gravação ou de reprodução de imagens e de som em televisão, e suas partes e acessórios.
  2. Heading 85.42 Electronic integrated circuits Circuitos integrados eletrônicos.
  3. Group 8542.3 Electronic integrated circuits: Circuitos integrados eletrônicos:
  4. Subheading 8542.31 Electronic integrated circuits; processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits Processadores e controladores, mesmo combinados com memórias, conversores, circuitos lógicos, amplificadores, circuitos temporizadores e de sincronização, ou outros circuitos
  5. Subitem 8542.31.20 Mounted, suitable for surface mounting (SMD - Surface Mounted Device) Montados, próprios para montagem em superfície (SMD - Surface Mounted Device)

Other NCM codes under HS 8542.31

8542.31.10 Unmounted processor and controller ICsNão montados 8542.31.90 Other processor and controller ICsOutros

Questions about NCM 8542.31.20

What is NCM 8542.31.20?

NCM 8542.31.20 (85423120) is the Brazilian (Mercosur) code for sMD processor and controller ICs. Its official Portuguese description is “Montados, próprios para montagem em superfície (SMD - Surface Mounted Device)”.

What is the HS code for NCM 8542.31.20?

HS 8542.31 (Electronic integrated circuits; processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 8542.31.20?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.