RD

1

RD COAXIAL
SWITCHES

26.5GHz, 18GHz
COAXIAL SWITCH

*

Transfer type is coming soon.
*

FEATURES

1. High frequency characteristics
(Impedance 50

W

)

*: 18 to 26.5GHz characteristics can be applied
26.5GHz type only

2. SPDT and transfer type available
3. High sensitivity

Nominal operating power:
840 mW (SPDT, Failsafe type)
1540 mW (Transfer, Failsafe type)

4. Long life: 5

·

10

6

(SPDT)

Frequency
(GHz)
–1 –4 –8 –12.4 –18 –26.5*
V.S.W.R.
(max.)
1.1 1.15 1.25 1.35 1.5 1.7
Insertion
loss
(dB. max.)
0.2 0.3 0.4 0.5 0.8
Isolation
(dB. min.)
85 80 70 65 60 55

TYPICAL APPLICATIONS

Wireless and mobile communication
infrastructure

• Cellular phone base stations
• Amplifier switching

Measurement instruments

• All types of inspection equipment

ATTENTION

Transfer type is coming soon.

SPECIFICATIONS

Contact
Characteristics

Arrangement SPDT Transfer
Contact material Gold plating
Initial contact resistance Max. 100m

W

Rating Contact input power*

1

120W 3GHz
(V.S.W.R 1.15 or less, no contact switching, ambient temperature 40°C [SPDT], 25°C [Transfer])
Indicator rating
Contact rating Max. 30V 100mA Max. 5V 100mA
Initial contact resistance
(Measured by 5V 100mA)
Max. 1

W

High frequency
characteristics
(Impedance 50

W

)
to 1 GHz 1 to 4 4 to 8 8 to12.4 12.4 to 18 18 to 26.5
V.S.W.R. (max.) 1.1 1.15 1.25 1.35 1.5 1.7
Insertion loss (dB, max.) 0.2 0.3 0.4 0.5 0.8
Isolation (dB, min.) 85 80 70 65 60 55
Expected life
(min. operation)
Mechanical (at 180 cpm) 5

·

10

6

Electrical (at 20 cpm)
5

·

10

6

(5W, to 3GHz, impedance 50

W

,
V.S.W.R.; max. 1.2)
10

6

(5W, to 3GHz, impedance 50

W

,
V.S.W.R.; max. 1.2)
SPDT Transfer
Initial insulation resistance*

2

Min. 1,000 M

W

Initial breakdown
voltage*

3

Between open contacts 500 Vrms for 1 min.
Between contact and coil 500 Vrms for 1 min.
Between contact and earth terminal 500 Vrms for 1 min.
Between coil and earth terminal 500 Vrms for 1 min.
Operate time*

4

(at 20°C) Max. 15ms Max. 20ms
Shock resistance
Functional*

5

500 m/s

2

Destructive*

6

1,000 m/s

2

Vibration resistance
Functional*

7

10 to 55 Hz at double amplitude of 3mm
Destructive 10 to 55 Hz at double amplitude of 5mm
Conditions for operation, transport and storage*

8

(Not freezing and condensing at low temperature)
Ambient temp –55°C to +85°C –67°F to +185°F
Humidity 5 to 85% R.H.
Unit weight (Approx.) 50g 1.76oz 110g 3.88oz

Remarks

*

1

Please verify the usability of input power under actual conditions because heat
generated from connectors can influence connection.
*

2

Measurement at same location as “Initial breakdown voltage” section.
*

3

Detection current: 10mA
*

4

Nominal operating voltage applied to the coil, excluding contact bounce time.
*

5

Half-wave pulse of sine wave: 11ms, detection time: 10

m

s.
*

6

Half-wave pulse of sine wave: 11ms
*

7

Detection time: 10

m

s
*

8

Refer to 4. Conditions for operation, transport and storage mentioned in NOTES.