CPV subcategory

31712345: Tunnel diodes

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3
Contracts since 2023
3
Buyers
0
Ending in 18 months

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What 31712345 covers

CPV code 31712345 is "Tunnel diodes", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 3 UK public contracts since 2023, awarded by 3 buyers, most often UK Shared Business Services Ltd and University Of Sheffield. The typical contract was worth about £638k.

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UK public contracts since 2023

How buyers use 31712345

Contracts
3
Buyers
3
Typical value
£638k
Ending in 18 months
0

By year of award: 2023 2 · 2024 0 · 2025 1 · 2026 0. Figures as of 6 November 2026. Typical value is the median of single-supplier contracts with a published value (3).

Suppliers winning most often

  1. Merlin Circuit Technology Ltd1
  2. ASMPT Amicra GmbH1
  3. SICE1

Recent contracts under 31712345

ContractBuyerValueAwarded
Queensgate Tunnel - Design, Supply, Installation and MaintenanceCardiff Council£5.0mNov 20251 year ago

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More specific

Codes beneath 31712345

None. 31712345 is as specific as the vocabulary goes for tunnel diodes.

Questions

About CPV code 31712345

What is CPV code 31712345?

CPV code 31712345 is "Tunnel diodes", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 3 UK public contracts since 2023, awarded by 3 buyers, most often UK Shared Business Services Ltd and University Of Sheffield. The typical contract was worth about £638k.

Which codes sit above and below 31712345?

31712345 sits under 31000000 (Electrical machinery, apparatus, equipment and consumables; lighting), then 31700000 (Electronic, electromechanical and electrotechnical supplies), then 31710000 (Electronic equipment), then 31712000 (Microelectronic machinery and apparatus and microsystems), then 31712300 (Printed circuits), then 31712340 (Diodes). It has no more specific codes beneath it.

Who wins contracts under CPV code 31712345?

The suppliers named most often on UK public contracts under 31712345 since 2023 are Merlin Circuit Technology Ltd (1), ASMPT Amicra GmbH (1), SICE (1). 3 different suppliers have won work under this code.

How do I get alerts for tenders using CPV code 31712345?

Add 31712345 to a Tender Radar profile, with keywords that describe your work. Each weekday morning you get the new UK public sector notices that match, scored for fit. Because codes cover the codes beneath them, adding 31712345 also catches notices classified under its more specific codes.

How to cite this data

Tender Radar (2026) CPV code 31712345: Tunnel diodes [Dataset]. Professor AI. Available at: https://tender-radar.co.uk/cpv-codes/31712345-tunnel-diodes (Accessed: 7 November 2026).

The figures change as notices are published, so the citation carries the date you read them.

Relative dates (such as “in 6 days”) count from 7 November 2026, when this page was built.

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