BT138E Triac Posted 6th July 2015 by by Customer matched zone "Worldwide" “Rubber grommet 23-6420” has been added to your basket. View basket £3.93 BT138E Triac quantity Add to basket SKU: BT138E Categories: Electronic Parts, Spares & Accessories, Transistors Description Additional information Description Triac. Used on GI circuit control. Additional information Weight 10 g Related products 4″ Rubber Ring £1.19 Select options This product has multiple variants. The options may be chosen on the product page Black Post Sleeve – 23-6556 £0.73 Add to basket Tapered Yellow Post £1.98 Add to basket 3/4″ Rubber Ring £0.37 Select options This product has multiple variants. The options may be chosen on the product page