RF Coaxial Switches (DC to 15 GHz)
HCS2 Series
sFeatures
1.High Performance and High Reliability
These switches are of the SPDT fail-safe type and
have been designed for wide frequency bandwidth,
contact voltage strength, power saving, and vibration
resistance.
2.SMA Connections
SMA type coupling (Hirose Electric HRM Series) has
been used.
3.Environmentally Rugged
A wide variety of tests including temperature and
humidity cycles, high temperature power, low
temperature power, humidity,vibration, and shock have
been conducted and good results were obtained for all.
s
Product Specifications
Ratings
Frequency range
Characteristic impedance
Maximum Input Power
DC to 15 GHz
50 ohms
15 W
Operating temperature range
Operating relative humidity
0
ç
to
+
50
ç
(No freezing)
90
%
Max.
Item
1.Contact resistance
2.Insulation resistance
3.Withstanding voltage
4.Vibration
5.Shock
6.Humidity
Standard
Voltage drop of 4 mV max.
5000 M
ohms
Min.
No flashover or insulation breakdown
No electrical discontinuity of 1 µs or more
No damage, cracks, or parts dislocation
Insulation resistance: 1000 M
ohms
min.
No damage, cracks, or parts dislocation
No damage, cracks, or parts dislocation
Conditions
1 A DC
500 V DC
100 V AC/one minute
Frequency of 10 to 55 Hz, overall amplitude of 1.52 mm for 2 hours in ech of 3 directions,
Frequency of 10 to 500 Hz, acceleration of 49 m/s2 for 3 hours in each of 3 directions
Acceleration of 490 m/s
2
, sine half-wave waveform, 6 cycles
in each of the 3 axis
240 hours at temperature of 40
ç
and humidity of 95%
Temperature: -30
ç¡
+5
ç
to +35
ç¡
+65
ç¡
+5
ç
to +35
ç
Time: 30
¡
5 max.
¡
30
¡
5 max. (Minutes)
5 cycles
7.Temperature cycle
q
The test method conforms to JIS.
q
The temperature resistance cycle, humidity resistance, and shock resistance tests are verification tests of part deterioration and
looseness, not tests to be conducted at time of switching or when conducting.
s
Materials
Part
Outer conductor
Inner conductor
Connector Body
Female contact
Insulator
Case
Material
Aluminum
Beryllium copper
Stainless steel
Beryllium copper
PTFE
Aluminum
Finish
Conductive alumite
Gold plating
Passivated
Gold plating
------
s
Ordering Information
HCS 2 - 1 1 0 - F
q
w
e r t
q
Series Name: HCS
w
Series No: 2
e
Type of Connector
y
4
:
17V
5
:
10V
r
Switching Voltage
1: 12V
2: 20V
3: 26V
Black alumite
1: SMA
(Hirose Electric HRM Series)
t
Presence of Auxiliary Contacts
0: No
1: Yes
y
Operation Method
F: Fail-safe type
139
sSpecifications
Part Number
HCS2-150-F HCS2-111-F HCS2-110-F HCS2-140-F HCS2-121-F HCS2-120-F HCS2-131-F HCS2-130-F
DC
~
15
Frequency Range
(GHz)
V.S.W.R. (Max)
DC
~
00.4GHz
4
~
00.8GHz
8
~
12.4GHz
12.4
~
0.15GHz
1.20
1.25
1.40
1.50
Insertion Loss (Max)
(dB)
DC~00.4GHz
4~00.8GHz
8~12.4GHz
12.4~0.15GHz
Isolation (Min)
(dB)
Power
(W)
Heat Sink Temperature
at Applicable Voltage
(ç Max)
RMS Voltage Rating
Peak (V)
Switching Time
(ms)
Switching Volt Current
Durability
(Insertion/withdrawal)
Connectors
Type of Switch
Operation
Auxiliary contact point
Weight
(g)
without
with
without
0.2
0.3
0.4
0.5
60
15
+
50
300
30
DC9~11V DC11~14V DC11~14V DC15~19V DC18~24.5V DC18~24.5V DC24~30V DC24~30V
250mA Max 120mA Max 120mA Max 150mA Max 120mA Max 120mA Max 70mA Max 70mA Max
30000
10000
30000
30000
10000
30000
10000
30000
HRM-J
SPDT
fail-safe
without
with
without
with
without
50
q
The value of the switching current is the maximum value at 20
ç
.
s
Precautions
q
The HCS2 Series is of the fail safe type and designed to make contact by spring force when the drive voltage is not applied. The
application of vibrations or shocks in excess of the spring limit may cause resonance of the spring which results in a loss of contact
stability and intermittent contact.
q
The construction does not prevent the effects of humidity, pressure, or the atmosphere (i.e., gases, oils, and liquids). (Gases, depending
on type, may penetrate the spring material inside. The penetration of gases, oils, or liquids that form a film on the contacts may causes
changes of the insulation or may cause the contacts to cease to conduct.)
q
This product is not magnetically shielded and as such the attention must be paid to the following points.
(1) The plate used to mount this product should be made of non-magnetic material. (Aluminum plate is preferable.)
(2) Avoid the use of magnetic material and anything that may produce a magnetic field such as a magnet in the proximity of the switches
(roughly a 15 mm square).
140
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