AT-1320-H

High Power Fixed Attenuators (Heat sink Mounting Type) AT-1200 and AT-1300 Series sFeatures 1.Small Size and Economical Beryllia is used for the material of the resistance element to enable the attenuation to be of small size and low cost. 2.High Power Capacity Mounting these attenuators to a heat sink permits the AT-1200 Series to be used at up to 30 W and the AT1300 Series to be used at up to 50 W. 3.High Reliability AT-1210-H • J AT-1320-H • J These attenuators show stable characteristics for environments of varying temperature, humidity, and gases. sProduct Specifications Ratings Frequency range (Note) Characteristic impedance Maximum Input Power (Note) DC to 2.0 GHz 50 ohms 30 to 50 W 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 1.Vibration Standard No electrical discontinuity of 1 µs or more Conditions Frequency of 10 to 2000 Hz, overall amplitude of 1.52 mm, acceleration of 98 m/s2 for 2 hours in each of 3 directions 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 Time: 30 ¡ 15 max. ¡ 30 ¡ 15 max. (Minutes) 200 cycles 2.Shock No damage, cracks, or parts dislocation 3.Temperature cycle No damage, cracks, or parts dislocation qThe test method conforms to MIL-STD-202. sMaterials Part Connector Body Body Female contacts Insulation Attenuation element Material Stainless steel Aluminum Beryllium copper PTFE Metal film Finish Passivated Conductive white alumite Gold plating ------------------- sOrdering Information 1 AT: Indicates a fixed attenuator 3 Attenuation 10 : 10dB 20 : 20dB AT - 12 10 - H • J 1 2 3 4 2 Indicates the Series Name (Maximum Usable Power) 12: HRM type plug - jack 30W 13: N type plug - jack 50W 4 Coupling Portion H • J : SMA type jack - jack N•H : N type jack - SMA type jack 88 sSpecifications Part Number Frequency Range (GHz) DC~1 DC~1 DC~2 DC~2 Attenuation (dB) V.S.W.R. (Max) Impedance (ohms) Power (W) 30W(CW) 30W(CW) 50W(CW) 50W(CW) Heat Sink Temperature at Maximum Load (çMax) +65 +65 +65 +65 Connectors Weight (g) AT-1210-H • J AT-1220-H • J AT-1310-H • J AT-1320-H • J 10±0.5 20±0.5 10±0.5 20±0.5 1.2 1.2 1.2 1.2 50 50 50 50 HRM-J • J HRM-J • J HRM-J • J HRM-J • J 54 54 54 54 π π πThe AT-1300 Series has input and output directivity. sExternal Dimensions AT-1200-H • J AT-1300-H • J sTypical Data AT-1220 AT-1320 89