75 OHM Terminated Multi-Position
Coaxial Switches
(3 to 10 Position)
RLC Electronics’ 75 ohm, Terminated, 3-10 Multi-Position
Coaxial Switch line provides proven reliability, long life and out-
standing electrical performance. These switches offer electrical
characteristics featuring extremely low insertion loss and high
isolation over the entire DC-2 GHz range and are useable
beyond 2.5 GHz. These switches are available in remote failsafe
or latching operation. Standard RF power rating is 1 watt cw
limited by the termination.
Specifications
STR 75
-1-2-3-4-5
Model
Number
Frequency
(DC - 2 GHz)
Insertion
Loss
(dB) (Max.)
VSWR
(Max.)
Isolation
(dB) (Max.)
DC - 1
STR-75–
1–2
20
30
1.2
1.3
60
60
Power Rating:
1 watt average
Impedance:
75 ohms
Operating Power 25°C (ma nominal):
(Failsafe):
3-6 position 7-10 position
12 Vdc at 600 ma 12 Vdc at 325 ma
28 Vdc at 260 ma 28 Vdc at 190 ma
(Latching):
3-6 position 7-10 position
12 Vdc at 480 ma 12 Vdc at 480 ma
28 Vdc at 280 ma 28 Vdc at 280 ma Cutthroat
circuitry (standard), recovery time 100 ms nominal
Connectors, RF:
75 ohm SMC jack
Life:
1,000,000 operations
Switching Time:
25 ms max (Failsafe)
125 ms (Latching)
Weight:
Approximately 20 oz.
Environmental Conditions:
MIL–S–3928
Operating Mode:
Failsafe or Latching
Switching Sequence:
Break before make
To designate the switch desired use:
(1) ‘3’ thru ‘10’ for number of positions
(2) ‘H’ for 12 Vdc or ‘D’ for 28 Vdc
(3) ‘I’ for indicators if desired
(4) ‘L’ for latching cutthroat if desired
(5) ‘TL’ for TTL Driver if desired
Example: STR75–10–D is a SP–10T, 28 Vdc, Terminated, failsafe switch
Outline Drawing
RLC ELECTRONICS, INC.
22
83 Radio Circle, Mount Kisco, New York 10549 • Telephone: 914-241-1334 • Fax: 914-241-1753
e-mail: sales@rlcelectronics.com • www.rlcelectronics.com
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