Welwyn Components reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyn’s own data and is considered accurate at time of going to print. The PFC A1206 Attenuator Series is a thin film surface mount attenuator with excellent high frequency characteristics. It is available in 50Ω and 75Ω impedances and uses an ultra-reliable TaNFilm® element. The absolute TCR is ±100ppm/°C.