Stripline Non-reflective Terminations (Externally Mounted) HRM-TM Series ■Features 1.High Performance These wide bandwidth/high matching non-reflective termination use Hirose Electric original high frequency matching technology. HRM-TM-025 HRM-TM-025-6 HRM-TM-025-8 2.Stripline External Mounting Type These termination are constructed to mount externally to the housing of a microwave device. 3.High Degree of Matching Type and Economical Type HRM-TM-025-10 HRM-TM-025-17 HRM-TM-20-1 To suit the application, a type that features a high degree of matching (with VSWR of 1.15 max from DC to 18 GHz) and an economical type (with VSWR of 1.15 max from DC to 8 GHz, and VSWR of 1.25 or less from 8 to 12.4 GHz) are available. 4.Applications HRM-TM-10-4 Ideal used as a dummy load for coaxial type circulators, directional couplers, hybrid dividers, and other devices. HRM-TM-10-2 ■Product Specifications Ratings Rated frequency range (Note) Characteristic impedance Maximum Input Power (Note) DC to 18.0 GHz 50 ohms 1 to 20 W Operating temperature range Operating relative humidity -30ç to +65ç 95% Max. Note: The frequency range and the maximum usable power will differ depending on the model. Item Standard 1.Vibration No electrical discontinuity of 1 µs or more No damage, cracks, or parts dislocation Conditions Frequency of 10 to 500 Hz, overall amplitude of 1.52 mm, acceleration of 98 m/s2 for 2 hours in each of 3 directions 2.Shock Acceleration of 490 m/s2, sine half-wave waveform, 3 cycles in each of the 3 axis 3.Temperature cycle No damage, cracks, or parts dislocation Temperature: -55ç → +5ç to +35ç → +85ç → +5ç to +35ç Time: 30 → 15 max. → 30 →15 max. (Minutes) 200 cycles ●The test method conforms to MIL-STD-202. ■Materials ■Ordering Information Part Material Finish Body (Note) Brass Nickel plating Insulator PTFE ---------- Contacts Brass Gold plating Resistor Metal film ---------- Note: HRM-TM-025 has stainless steel body and has received gold plating. HRM - TM - 025 - 8 1 2 1 Series Name: HRM Series 3 4 3 Power (Examples) 1: 1 W 2 Indicates a non-reflective termination (Exception) 025: 1 W 4 Suffix 69 ■Specifications V.S.W.R. (MAX) Power (W) HRM-TM-025 DC~10 1.20 1 HRM-TM-025-6 DC~18 1.20 1 50±1.0 40 —30~+65 +65 392 3 HRM-TM-025-8 DC~18 1.20 1 50±1.0 40 —30~+65 +65 392 3.5 HRM-TM-025-9 DC~12 1.20 1 50±1.5 40 —30~+65 +65 392 3.5 DC~4 1.08 4~8 1.12 1 50±1.0 40 —30~+65 +65 392 3 DC~18 1.20 1 50±1.0 40 —30~+65 +65 392 3 DC~8 1.15 8~12.4 1.25 1 50±1.5 40 —30~+65 +65 392 3 DC~12.4 1.20 12.4~18 1.25 10 50±1.5 56 —10~+65 +65 392 3 DC~12.4 1.20 12.4~18 1.25 10 50±1.5 56 —10~+65 +65 392 3 DC~8.5 1.20 8.5~10 1.25 20 50±1.5 56 —10~+65 +65 π2 3 Part Numbe HRM-TM-025-10 HRM-TM-025-11 HRM-TM-025-17 HRM-TM-10-2 HRM-TM-10-4 HRM-TM-20-1 π1 9.80665N • m=1kgf • m 0.980665µN • (m=1kgf • cm ≈400kgf • cm (Example)392µN • m≈ ■Typical Data HRM-TM-025-8 HRM-TM-025-17 70 Operating Heat Sink Operating Direct Current Temperature Temperature Temperature at Temperature Weight Resistance (ç Max) Rang Maximum Load Rang (g) (Ohms) (ç) (çMax) (µN • m) 294 2.5 40 50±1.5 —30~+65 +65 Frequnency Range (Ghz) π2 No special standards have been established because of the spring contacts. ■External Dimensions Soldering Soldering HRM-TM-025 Soldering HRM-TM-025-6 Soldering HRM-TM-025-8 Soldering HRM-TM-025-10 Soldering HRM-TM-025-11 HRM-TM-025-17 Soldering Soldering HRM-TM-10-2 HRM-TM-10-4 Soldering HRM-TM-025-9 HRM-TM-20-1 71