TEL 8 & TEL 8WI DC/DC Converters TRACO Power TEL 8 and TEL 8WI DC/DC Converters feature a wide range of 8W converters in a compact DIP-16 metal package. The TEL 8 series offers a 2:1 input voltage range and up to 86% efficiency when operating at full load at 70°C. The TEL 8 series also features a built-in EN 55022 class A filter. The TEL 8WI series has a 4:1 input voltage range with up to 86% efficiency. These converters also allow an operating temperature of up to +70°C at full load and up to +80°C with 50% load. Applications for TRACO Power TEL 8 and TEL 8WI DC/DC Converters include instrumentation, IT, and industrial electronics where space is critical.