High Frequency Relay
G6Y
Economical HF Relay Design Based on
Micro Strip Line Technology
• Isolation characteristics of 65 dB or better at 900 MHz.
• Effective insertion loss of 0.2 dB (typical) at 900 MHz.
• Fully sealed construction.
• Improved shock-resistance.
• Form, fit and function replacement to G5Y relay with
improved characteristics
• RoHS Compliant
Ordering Information
To order: Select the part number and add the desired coil voltage rating (e.g. G6Y-1-DC12).
Type
Contact Form
Standard
SPDT
Construction
Part Number
Fully-sealed
G6Y-1
Model Number Legend
G6Y -
- DC
1
2
2. Rated Coil Voltage
4.5, 5, 9, 12, 24
1. Contact Form
1:
SPDT
Application Examples
•
•
•
•
Wired Communications: Cable TV, captain systems, and video response systems
Wireless Communications: Transceivers, ham radio, fax machines, satellite broadcasting, text multiplex broadcasting
Entertainment Equipment: TVs, DVD players, and video games
Industrial Equipment: Measuring equipment, test equipment, and multiplex transmission devices
Specifications
■ Contact Ratings
■ High-frequency Characteristics
Load type
Resistive load
Contact Material
Au clad Cu alloy
Isolation
80 db min.
65 dB min.
30 dB min.
Rated load
0.01 A at 30 VAC
0.01 A at 30 VDC
900 MHz, 1 W (See note.)
Insertion loss
0.5 dB max.
0.5 dB max.
---
V.S.W.R.
1.5 max.
1.5 max.
---
Max. carry power
10 W
---
Max. switching
power
10 W (See note 3.)
---
Rated carry current
0.5 A
Max. switching voltage
30 VAC
30 VDC
Max. switching current
0.5 A
Max. switching capacity
(reference value)
AC10VA
DC10W
Note:
Item
250 MHz
900 MHz
2.5 GHz
Note: 1. The impedance of the measuring system is 50 Ω.
2. The table above shows preliminary values.
3. This value is for a load with V.S.W.R. of 1.2 max.
This value is for a load with V.S.W.R. of 1.2 max.
High Frequency Relay
G6Y
335
■ Coil Ratings
Rated voltage
(VDC)
Rated current
(mA)
Coil resistance
(Ω)
4.5
44.4
101
5
40.0
125
9
22.2
405
12
16.7
720
24
8.3
2,880
Operating voltage
(V)
Release voltage
(V)
Maximum voltage
(V)
75% max. of rated 10% min. of rated
voltage
voltage
Power consumption
(mW)
150% of rated volt- Approx. 200
age at 23°C
Note: 1. The rated current and coil resistance are measured at a coil temperature of 23°C with a tolerance of ±10%.
2. The operating characteristics are measured at a coil temperature of 23°C.
3. The maximum voltage is the highest voltage that can be imposed on the relay coil instantaneously. It is not the maximum voltage that can
be applied continuously.
■ Characteristics
Contact resistance (See note 2.)
100 mΩ max.
Operating time
10 ms max. (approx. 5 ms, typ.)
Release time
5 ms max. (approx. 1 ms, typ.)
Insulation resistance (See note 3.)
100 MΩ min.
Dielectric strength
1,000 VAC, 50/60 Hz for 1 min between coil and contacts
500 VAC, 50/60 Hz for 1 min between contacts of same polarity
500 VAC, 50/60 Hz for 1 min between coil and ground and between contacts and ground
Vibration resistance
Destruction: 10 to 55 Hz, 1.5 mm double amplitude
Malfunction: 10 to 55 Hz, 1.5 mm double amplitude
Shock resistance
Destruction: 1,000 m/s2 (approx. 100G)
Malfunction: 500 m/s2 (approx. 50G)
Life expectancy
Mechanical: 1,000,000 operations min. (at 1,800 operations/hr)
Electrical: 300,000 operations min. (under rated load at 1,800 operations/hr)
Ambient temperature
Operating: −40°C to 70°C (with no icing)
Ambient humidity
Operating: 5 to 85%
Weight
Approx. 5 g
Note: 1. The table above shows preliminary values.
2. The contact resistance was measured with 100mA at 5VDC with a voltage drop method.
3. The insulation resistance was measured with a 500-VDC megohometer applied to the same points as those used for checking the dielectric strength.
Engineering Data
■ Ambient Temperature vs.
Maximum Coil Voltage
■ Resistance to Shock
Y
1,200 min.
200
Maximum coil voltage (%)
1,000
1,200 min.
180
1,200 min.
800
X
Z'
600
400
160
200
(150)
200
140
400
(130)
Z
120
1,200 min.
10
20
30
40
50
60
70
80
90 100
Ambient temperature (°C)
Note: The maximum coil voltage refers to the maximum
value in a varying range of operating power voltage,
not a continuous voltage.
336
High Frequency Relay
G6Y
X'
800
1,000
N.O. contact
N.C. contact
1,200 min. Y'
100
0
600
1,200 min.
Units: m/s2
Y
Y'
X
X'
Z
Z'
Shock direction
Quantity Tested: 10 Units
Rating: 500 m/s2
Test Method: Shock was applied 3 times in each direction
with and without excitation and the level at
which the shock caused malfunction was
measured.
■ High-frequency Characteristics
Measurement Conditions
OUT
HP 8753D
Network
Analyser
IN
OUT
Terminals which were not being measured were terminated with 50 Ω.
Note: The high-frequency characteristics data were measured using
50-Ω
a dedicated circuit board and actual values will vary depending
Terminator
on the usage conditions. Check the characteristics of the actual
equipment being used.
14 (8)
11
8 (14)
G6Y-1
40
50
60
70
0
Return loss (dB)
30
■ V.S.W.R. / Return Loss,
Average Values
(See notes 1 and 2.)
0.1
0.2
0.3
0.4
0
2.2
10
2
20
1.8
30
0.5
1.6
Return loss
0.6
40
1.4
0.7
80
0.8
50
90
1.2
V.S.W.R.
0.9
100
0
500
1,000
1,500
2,000
1
2,500
0
500
1,000
1,500
Frequency (MHz)
Operating
time
Release
time
Sample: G6Y-1
Quantity: 50 Units
40
50
30
20
20
10
10
1
2
3
4
5
6
7
500
1,000
1,500
2,000
2,500
1
Frequency (MHz)
8
Operating bounce time
Subject: G6Y-1
Quantity: 50 Units
Release bounce time
40
30
0
60
0
2,500
■ Bounce Time Distribution
(See note 1.)
Quantity
50
2,000
Frequency (MHz)
■ Operating/Release Time
Distribution (See note 1.)
Quantity
V.S.W.R.
■ Insertion Loss,
Average Values
(See notes 1 and 2.)
Insertion loss (dB)
Isolation (dB)
■ Isolation,
Average Values
(See notes 1 and 2.)
0
1
2
3
4
5
6
7
8
Time (ms)
Time (ms)
Note: 1. The tests were conducted at an ambient temperature of 23°C.
2. High-frequency characteristics depend on the PCB to which the Relay is mounted. Always check these characteristics, including
endurance (life expectancy), in the actual machine before use.
Dimensions
Note: All units are in millimeters unless otherwise indicated.
G6Y-1
Terminal Arrangement/
Internal Connections
(Bottom View)
PCB Dimensions
(Bottom View)
Six, 1.2-dia. holes
20.7 max.
(20.5)*
Three, 0.8-dia. holes
11.7 max.
(11.5)*
(1.83)
9.2 max.
(9.0)*
3
7.62
15.24
(2.05)
* Average value
(2.05)
(2.63)
(2.63)
(Holes for the coil terminals may also be 1.0.)
Tolerances: ±0.1 mm.
(There is no polarity to the coil.)
Note: The shaded and unshaded parts
indicate the product's directional marks.
High Frequency Relay
G6Y
337
Precautions
■ Correct Use
Long-term Continuously ON Contacts
Using the Relay in a circuit where the Relay will be ON continuously
for long periods (without switching) can lead to unstable contacts
because the heat generated by the coil itself will affect the insulation,
causing a film to develop on the contact surfaces. Be sure to use a
fail-safe circuit design that provides protection against contact failure
or coil burnout.
Seal integrity during cleaning will last 1 minute at 70°C. Complete
cleaning within these conditions.
Micro Strip Line Design
• It is advantageous to use the Micro Strip Line in high–frequency
transmission circuits because a low-loss transmission can be constructed with this method. By etching the dielectric base which has
copper foil attached to both sides, the Micro Strip Line will have a
concentrated electric field between the lines and ground as shown
in the following diagram.
• For example, when creating 50-Ω lines using a glass epoxy base
with a thickness of 1.6 mm, the above graph will yield a w/h ratio of
1.7 for a dielectric constant of 4.8. Since the base thickness is
1.6 mm, the width will be h × 1.7 ≈ 2.7 mm.
The thickness of the copper foil “t” is ignored in this design method,
but it must be considered because large errors will occur in extreme
cases such as a foil thickness of t ≈ w.
Furthermore, with the Micro Strip Line design, the lines are too
short for the G6Y’s intended frequency bandwidths, so we can
ignore conductive losses and the line’s attenuation constant.
• The spacing of the Strip Lines and ground pattern should be
comparable to the width of the Strip Lines.
• Design the pattern with the shortest possible distances. Excessive
distances will adversely effect the high-frequency characteristics.
• Spread the ground patterns as widely as possible so that potential
differences are unlikely to develop between the ground patterns.
• To avoid potential short-circuits, do not place the pattern’s leads
near the point where the bottom of the Relay attaches to the board.
Bending the Micro Strip Line
Strip Line with impedance Z
Lines with impedance Z
Elbow
Clip the corners.
Ground pattern
45°C
Dielectric base
(dielectric constant: εr)
• The characteristic impedance of the lines ZO is determined by the
kind of base (dielectric constant), the base’s thickness, and the
width of the lines, as expressed in the following equation.
ZO =
377
ε
r
W
H
1+ 2H
πW
1+In
πW
H
Relay Handling
W: Line width
εr: Effective dielectric constant
H: Dielectric base thickness
The copper foil thickness must be less than H.
Micro Strip impedance ( Ω)
• The following graph shows this relationship.
Dielectric constant (εr)
Micro Strip (w/h)
338
High Frequency Relay
When the lines must curve, an elbow can be used as shown
in the diagram. A distance (D) between the lines of approximately twice the line width is sufficient.
G6Y
When washing the product after soldering the Relay to a PCB, use a
water-based solvent or alcohol-based solvent, and keep the solvent
temperature to less than 40°C. Do not put the Relay in a cold
cleaning bath immediately after soldering.
Examples of Mounting Designs
Since this example emphasizes reducing mounting costs, expensive
mounting methods such as through-hole boards are not shown. If
such methods are to be used, the characteristics must be studied
carefully using the actual board configuration.
Using a Double-sided Paper Epoxy Board
When double-sided paper epoxy boards are used, the dielectric
constant will be approximately the same as that of glass epoxy
boards (εr=4.8).
The width of the Strip Lines for a board with t=1.6 mm is 2.7 mm for
50 Ω and 1.3 mm for 75 Ω. For a board with t=1.0 mm the width is
1.7 mm for 50 Ω and 0.8 mm for 75 Ω.
The following diagram shows an example pattern and the Micro Strip
Lines connected to the contact terminals are formed with pattern
widths derived from the description above. The width between the
Micro Strip Lines and ground patterns are comparable to the
Micro Strip Line width.
There are jumpers between the upper and lower patterns at the
points marked with Xs in the diagram. Improved characteristics can
be obtained with more jumper locations. This method yields isolation
characteristics of 65 dB to 75 dB at 500 MHz and 50 dB at 900 MHz.
The metal plate must be attached to the base as described here.
From this point, the methods used for Strip Line design are the same
as for the double-sided board.
Mounting Precautions
Be sure to securely attach the Relay’s base surface to the board
during installation. The isolation characteristics will be affected if the
Relay lifts off the board.
As shown in the enlarged illustration of the cross-section of part A,
the G6Y is designed to ensure better high-frequency characteristics
if the stand-off part of the G6Y is in contact with the ground pattern of
the PCB. Therefore, the ground terminal and stand-off part are
electrically connected internally.
Should the through hole electrically connected to the contact
terminal come in contact with the stand-off part, the contact will be
short-circuited with the ground, which may cause an accident.
As a preventive measure, keep at least a distance of 0.3 mm
between the stand-off part and the through hole or land.
For example, if the terminal hole on the PCB is 1 mm in diameter and
the length B shown in the illustration is 1.4 mm, a distance of 0.3 mm
or more will be provided between the through hole and stand-off part.
PCB Mounting
At this point in the diagram the component side is the entire ground
pattern side, but set aside approximately 2.0 mm × 2.0 mm of the
pattern for the contact terminals and coil terminals.
Strip Line
Part A
Cross-section of Part A
G6Y
Coil
Stand-off
part
Using a Single-sided Board
When a single-sided board is used, isolation characteristics of only
60 dB to 70 dB at 200 MHz can be obtained. When high frequency
bands are to be used with a single-sided board, a metal plate can be
placed between the base and Relay and connected to the ground
pattern.
Through
hole
Ground terminal
Ground
pattern
Contact
terminal
Ground terminal
Metal plate
Ground terminals
G6Y
Metal plate
Printed circuit board
Pattern
With this method a metal plate is placed between the Relay and base
and connected to the pattern, as shown in the above diagram. The
important point here is that 3 locations (the G6Y’s ground terminal,
the metal plate’s bent tabs (A), and the ground pattern) are soldered
together at the same time. This method combines an inexpensive
single-sided board and inexpensive metal plate to yield the same
characteristics as a double-sided board. Good characteristics are
obtained by grounding the G6Y’s ground terminal and metal plate in
the same place.
High Frequency Relay
G6Y
339
MEMO
340
High Frequency Relay
G6Y
Omron Electronic Components, LLC
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High Frequency Relay
G6Y
Certain Precautions on Specifications and Use
1. Suitability for Use. Seller shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in
Buyer's application or use of the Product. At Buyer's request, Seller will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not
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Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer's application, product or system. Buyer
shall take application responsibility in all cases but the following is a nonexhaustive list of applications for which particular attention must be given:
(i) Outdoor use, uses involving potential chemical contamination or electrical
interference, or conditions or uses not described in this document.
(ii) Energy control systems, combustion systems, railroad systems, aviation
systems, medical equipment, amusement machines, vehicles, safety
equipment, and installations subject to separate industry or government
regulations.
(iii) Use in consumer products or any use in significant quantities.
(iv) Systems, machines and equipment that could present a risk to life or
property. Please know and observe all prohibitions of use applicable to this
product.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS
RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM
AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT
THE OMRON PRODUCT IS PROPERLY RATED AND INSTALLED FOR THE
INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
2. Programmable Products. Seller shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
3. Performance Data. Performance data given in this publication is provided as
a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Seller's test conditions, and the users must
correlate it to actual application requirements. Actual performance is subject to
Seller's Warranty and Limitations of Liability.
4. Change in Specifications. Product specifications and accessories may be
changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed,
or when significant construction changes are made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for
your application. Please consult with your Seller representative at any time to
confirm actual specifications of purchased Product.
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checked and is believed to be accurate; however, no responsibility is assumed
for clerical, typographical or proofreading errors, or omissions.
6. RoHS Compliance. Where indicated, our products currently comply, to the
best of our knowledge as of the date of this publication, with the requirements
of the European Union's Directive on the Restriction of certain Hazardous
Substances ("RoHS"), although the requirements of RoHS do not take effect
until July 2006. These requirements may be subject to change. Please consult
our website for current information.
Complete “Terms and Conditions of Sale” for product purchase and use are on Omron’s website
at http://www.components.omron.com – under the “About Us” tab, in the Legal Matters section.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
OMRON ON-LINE
OMRON ELECTRONIC
COMPONENTS LLC
Global - http://www.omron.com
USA - http://www.components.omron.com
55 E. Commerce Drive, Suite B
Schaumburg, IL 60173
847-882-2288
Cat. No. X302-E-1
08/09
High Frequency Relay
G6Y
Specifications subject to change without notice
Printed in USA