Rotary Joints HRM-RPA Series ■Features 1.Long Life These non-contact rotary joints have a long life of 103 hours or greater (at 500 r.p.m.). 2.High Performance HRM-RPA-JJ-3 High frequency characteristics feature extremely low loss and a high degree of matching. V.S.W.R. 1.25 or less (HRM-RPA-JJ-3 1.5~1.7GHz) 3.Low Torque Rotation Rotation at low torque permits high speed rotation. Torque of 50 g•cm HRM-RPA-JJ ■Product Specifications Ratings Frequency range (Note) Characteristic impedance Maximum Input Power (Note) 1.5 to 12.4 GHz 50 ohms 1 to 30 W Operating temperature range Operating relative humidity -10ç to +65ç 95% Max. NOTE: The frequency range and maximum usable power will depend on the model. Item 1.Insulation resistance 1,000 M ohms min. 2.Contact resistance 5 m ohms max. 3.Vibration Standard No damage, cracks, or parts dislocation 4.Shock Conditions 100 V DC Measured / 1 A DC Frequency of 10 to 500 Hz, overall amplitude of 1.5 mm, acceleration of 98 m/s2 for 4 hours in each of 3 directions Acceleration of 98 m/s2, sine half-wave waveform, 3 cycles in each of the 3 axis ●The test method conforms to MIL-STD-202. ■Materials Part Body Insulator Female contact Ball bearings ■Specifications Materials Brass PTFE Beryllium copper ---------- ■External Dimensions 5.8 (Spanner width) ■Typical Data Finish Nickel plating ---------Gold plating ---------- Part Number HRM-RPA-JJ-3 Frequency Range 1.5~1.7 (GHz) 1.25 V.S.W.R.(Max) Insertion Loss 0.4 (dB Max) WOW 0.2 (dB/360° Max) V.S.W.R. Rotational 0.2 (360° Max) Rotational Speed 500 (R•P•M) Durability(Insertion/withdrawal) 1,000 (at 500R•P•M) (hrs) Starting Torque 510 (mN.m Max) HRM-RPA-JJ 5~12.4 1.5 0.4 0.1 0.1 500 1,000 (at 500R•P•M) 510 Connectors HRM-J HRM-J Weight (g) 30 30 145