BT138E Triac Posted 6th July 2015 by by Customer matched zone "Worldwide" “Mini Red Flipper Rubber” 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 1 1/2″ Rubber Ring £0.53 Select options This product has multiple variants. The options may be chosen on the product page 2 1/2″ Rubber Ring £0.66 Select options This product has multiple variants. The options may be chosen on the product page 5″ rubber ring (White only) £2.64 Add to basket Black Post Sleeve – 23-6556 £0.73 Add to basket