Stripline Mounting Fixed Attenuators (DC to 8 GHz) AT-900 Series ■Features 1.Frequency Range from DC to 8 GHz Although these attenuators are of the surface mount type, they offer superior high frequency characteristics from DC to 8 GHz. 2.Abundant Variations of Attenuators Attenuation amounts are available in 11 types from 0 to 10 dB in 1 dB steps. AT-900 Type ■Product Specifications Ratings Frequency Range (Note) Characteristic impedance Maximum Input Power (Note) DC to 8.0 GHz 50 ohms 1W Operating temperature range Operating relative humidity -10ç to +65ç 95% Max. Note: The frequency range and the maximum input power will differ depending on the products. Item Standard Conditions Frequency of 10 to 2000 Hz, overall amplitude of 1.52 mm, 1.Vibration 2.Shock No electrical discontinuity of 1 µs or more acceleration of 98 m/s2 for 2 hours in each of 3 directions No damage, cracks, or parts dislocation Acceleration of 490 m/s2, sine half-wave waveform, 3 cycles in each of the 3 axis Temperature: -55ç → +5ç to +35ç → +85ç → +5ç to +35ç 3.Temperature cycle No damage, cracks, or parts dislocation Time: 30 → 15 max. → 30 → 15 max. (Minutes) 200 cycles ●The test method conforms to MIL-STD-202. ■Materials Part Material Finish Connector Body Brass Nickel plating Attenuation element Metal film ---------- Tabs Copper Solder plating ■Ordering Information AT --- 9 01 1 1 AT: Indicates a fixed attenuator 2 Indicates the Series Name: AT-900 Series 3 2 3 Attenuation 01 : 1dB 06 : 6dB 00-(0) : 0dB 00-(1.5) : 1.5dB 94 (Through) ■Specifications Attenuation (dB) Model No. DC~4GHz AT-900-(0) 0 +0.5 0 4~8GHz 0 +0.7 0 V.S.W.R. (Max) DC~8GHz Power (W) Surface Temperature at Maximum Load (ç Max) Weight (g) 1.35 1 +85 1 AT-901 1±0.5 1±0.7 1.35 1 +85 1 AT-902 2±0.5 2±0.7 1.35 1 +85 1 AT-903 3±0.5 3±0.7 1.35 1 +85 1 AT-904 4±0.5 4±0.7 1.35 1 +85 1 AT-905 5±0.5 5±0.7 1.35 1 +85 1 AT-906 6±0.5 6±0.7 1.35 1 +85 1 AT-907 7±0.5 7±0.7 1.35 1 +85 1 AT-908 8±0.5 8±0.7 1.35 1 +85 1 AT-909 9±0.5 9±0.7 1.35 1 +85 1 AT-910 10±0.5 10±0.7 1.35 1 +85 1 ■External Dimensions AT-900 Type 95 ■Typical Data AT-901 AT-903 AT-906 AT-910 ■Mounting Method AT-900 Type ●Make the AT-900 tab height from the housing and the thickness of the microstrip board the same amount. ●The tabs are attached with high temperature solder (having a melting point of 280ç). The soldering temperature to the microstrip board must be less than this. 96