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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.
sProduct Specifications
Ratings Frequency range Characteristic impedance Maximum Input Power DC to 15 GHz 50 ohms 15 W Operating temperature range Operating relative humidity 0c to +50c (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 s 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/s2, sine half-wave waveform, 6 cycles in each of the 3 axis 240 hours at temperature of 40c and humidity of 95% Temperature: -30c+5c to +35c+65c+5c to +35c Time: 305 max.305 max. (Minutes) 5 cycles
7.Temperature cycle
qThe test method conforms to JIS. qThe 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.
sMaterials
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
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sOrdering Information
HCS 2 - 1 1 0 - F
q w ert
qSeries Name: HCS wSeries No: 2 eType of Connector
y
4: 17V 5: 10V
rSwitching Voltage
1: 12V 2: 20V 3: 26V
Black alumite 1: SMA (Hirose Electric HRM Series)
tPresence of Auxiliary Contacts
0: No 1: Yes
yOperation 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 (c 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
qThe value of the switching current is the maximum value at 20c.
sPrecautions
qThe 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. qThe 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.) qThis 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
sExternal Dimensions
111 HCS2-----121-----F 131
110 HCS2-----120-----F 130 140 150
sCircuit Diagram
When Switching Signal is OFF Switching signal
sTypical Data
Coaxial connectors
Auxiliary contacts
111 HCS2-----121-----F 131
Switching signal
Coaxial connectors
110 HCS2-----120-----F 130 140 150
141

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