Looks like a better option than SMGB and trades on the LSE so is definitely available in the UK - VanEck Vectors Semiconductor UCITS ETF, SMH:LSE:USD summary - FT.com
The VanEck Vectors Semiconductor UCITS ETF invests in the overall performance of companies involved in semiconductor production and equipment.
- Index seeks to track the most liquid companies in the industry based on market capitalization and trading volume
- Portfolio may include both U.S. domestic and U.S. listed foreign companies allowing for enhanced industry representation
- Companies must derive at least 50% of total revenues from the production of semiconductors and semiconductor equipment to be initially eligible for the Index