69
Stripline Non-reflective Terminations (Externally Mounted)
HRM-TM Series
s
Features
1.High Performance
These wide bandwidth/high matching non-reflective
termination use Hirose Electric original high frequency
matching technology.
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
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
Ideal used as a dummy load for coaxial type circulators,
directional couplers, hybrid dividers, and other devices.
s
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
-30
to +65
95% Max.
Note: The frequency range and the maximum usable power will differ depending on the model.
Item
Standard
Conditions
1.Vibration
2.Shock
3.Temperature cycle
No electrical discontinuity of 1
s or more
No damage, cracks, or parts dislocation
No damage, cracks, or parts dislocation
Frequency of 10 to 500 Hz, overall amplitude of 1.52 mm,
acceleration of 98 m/s
2
for 2 hours in each of 3 directions
Acceleration of 490 m/s
2
, sine half-wave waveform,
3 cycles in each of the 3 axis
Temperature: -55
+5
to +35
+85
+5
to +35
Time: 30
15 max.
30
15 max. (Minutes)
200 cycles
q
The test method conforms to MIL-STD-202.
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Materials
Part
Body (Note)
Brass
Nickel plating
Insulator
Contacts
Resistor
PTFE
Brass
Metal film
----------
Gold plating
----------
Material
Finish
Note: HRM-TM-025 has stainless steel body and has received gold
plating.
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Ordering Information
1
2
3
4
HRM - TM - 025 - 8
HRM-TM-025
HRM-TM-025-8
HRM-TM-025-10
HRM-TM-10-2
HRM-TM-025-6
HRM-TM-025-17
HRM-TM-20-1
HRM-TM-10-4
Series Name: HRM Series
Indicates a non-reflective termination
1
2
Power
(Examples)
1: 1 W
(Exception) 025: 1 W
Suffix
3
4
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