Miniature Cermet Trimmers, T7 Series The Vishay / Sfernice T7 series Miniature Cermet Trimmers are industrial grade trimmers, 7mm (0.275') in diameter, and fit almost anywhere and are ideally suited for all industrial applications. The T7 Miniature Cermet Trimmers feature 0.5 watt at 85ºC, a low temperature coefficient (100 ppm/K typical), and a wide resistance range (10Ω to 22MΩ). Vishay / Sfernice designed the Miniature Cermet Trimmers with a dust sealed plastic case to guarantee high performance and proven reliability. Adjustments are made easier by the clear, easy to read scale.