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Ultra-Miniature Automotive PCB Relay
G8ND-2
• Compact size.
• High performance PCB relay.
• Fully automated assembly.
• Fully sealed construction.
• SPDT contacts with internal H-bridge.
Ordering Information
Description Model
Standard type G8ND-2
High sensitivity (low pull-in voltage) G8ND-2S
Ultra-high sensitivity G8ND-2U
Reflow solder type G8ND-2R
■ Typical Applications
• Power windows/power door lock
• Smart junction box and module applications
• Seat adjustment
• Sunroof
Specifications
■ Contact Data
Max. switching current 30 A
Max. switching voltage 16 V
Max. carry current 25 A (at 20° C for 1 hour)
Min. carry current 100 mA
Contact material Silver-tin alloy – cadmium free
■ Coil Ratings (at 20° C)
Type Rated voltage Coil resistance Nominal power
consumption
G8ND-2 12 VDC 225 Ω 640 mW < 7.2 V > 1.0 V
G8ND-2R
G8ND-2S 180 Ω 800 mW < 6.5 V
G8ND-2U 130 Ω 1108 mW < 5.5 V
Pull in voltage Dropout voltage
Ultra-Miniature Automotive PCB Relay G8ND-2 1
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Characteristics
Max. initial contact voltage drop/resistance 250 mV @ 10 A/50 mΩ @ 1 A
Operate time 10 ms max. (2.5 ms typical) @ 12V
Release time 10 ms max. (1.2 ms typical) (see Note)
Bounce time Operate 5 ms max. (0.5 ms typical)
Release 10 ms max. (4.0 ms typical)
Switching frequency Mechanical 18,000 operations per hour
Electrical 1,800 operations per hour (under rated loading)
Insulation resistance 100 MΩ min. (@ 500 V DC)
Dielectric strength 1.0 mA max leakage at 500 VAC, 50-60 Hz for 1 minute between coil & contacts
Vibration Mechanical durability
Malfunction durability
Shock Mechanical durability
Malfunction durability
Ambient operating temperature -40°C to 85°C
Humidity 35% to 85% RH
Service life Mechanical 1,000,000 operations min.
Electrical 100,000 operations (load dependant)
Weight 7.5 g (approx.)
Note: External coil suppression will cause a measurable increase in release times and may cause the
relay’s characteristics to fall out of the specifications given here.
and between contacts
10-500 Hz, 45 m/s
10-500 Hz, 45 m/s
1000 m/s
100 m/s
2
2
min.
2
2
Characteristics Reference Data
■ Durability Test Data
Relay Load type Current Cycles tested
G8N /
G8NW /
G8ND
Normalized Coil Resistance vs. Temperature
(20° C reference)
Coil Resistance (%)
Power window motor (locked) 26 A 200,000
Door lock motor 27 A
8A Steady state
Temperature (° C)
130,000
Example: Resistance of 225Ω coil
= 75% of 225Ω at -40° C, or 169Ω
= 100% of 225Ω at 20° C, or 225Ω
= 125% of 225Ω at 85° C, or 281Ω
2 Ultra-Miniature Automotive PCB Relay G8ND-2
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Load Limit Curve
Coil Temperature vs. Applied Voltage
at 20°C (G8N-1, 225Ω coil)
20
18
16
14
12
10
8
6
Switching Voltage (V)
4
2
0
0 5 10 15 20 25 30 35
Switching Current (A)
Overcurrent Energization
(20°C, G8N-1 225Ω coil, 4 samples)
60
No failure at 60 minutes
50
40
30
20
Applying Time (minutes)
10
Max
Avg
Min
100
80
60
40
Coil Temp. Rise (°C)
20
0
10 12 14 16 18
Applied Coil Voltage (V)
Overcurrent Energization
(85°C, G8N-1 225Ω coil, 4 samples)
60
No failure at 60 minutes
50
40
30
20
Applying Time (minutes)
10
0A Contact
Carry
Current
5A Contact
Carry
Current
Max
Avg
Min
0
0102030405060
Contact Carry Current (A)
Operating Voltage Range
(G8N-1, 180Ω coil)
18
16
14
12
10
8
6
Coil Voltage (V)
4
2
0
-60 -40 -20 0 20 40 60 80 100
Temperature (°C)
0
0102030405060
Contact Carry Current (A)
Operating Voltage Range
(G8N-1, 225Ω coil)
18
16
14
12
10
8
6
Coil Voltage (V)
4
2
0
-60 -40 -20 0 20 40 60 80 100
Temperature (°C)
Ultra-Miniature Automotive PCB Relay G8ND-2 3
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Dimensions
■ Tube Packaging
18.5 mm ref.
20.4 mm ref.
40 relays per tube, 30 tubes per box (1200 relays per box).
Note: 1. For additional information, please contact Omron.
2. Prior to receipt of order, specifications subject to change without notice.
3. This specification sheet is intended to be a guideline for application of this product. The information contained
is believed to be correct. However, it is impossible for Omron to evaluate every possible use. It is the user’s
responsibility to determine product suitability in any application.
4. Omron can meet some special performance characteristics upon request.
5. All data at 20° C unless otherwise noted.
6. If several relays are to be mounted on a single PCB, they must be given at least 3 mm clearance on all sides.
600.0 mm ref.
4 Ultra-Miniature Automotive PCB Relay G8ND-2
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Omron Electronic Components, LLC
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The followings are some examples of applications for which
interference.
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medical equipment, amusement machines, vehicles, safety equipment, and
installations subject to separate industry or government regulations.
(d) Systems, machines, and equipment that could present a risk to life or property.
3. Prohibited Use:
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
PRODUCT IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE
WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
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VEHICLE APPLICATION MUST BE EXPRESSLY STATED IN THE SP ECIFICATION BY
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and the users must correlate it to actual application requirements.
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: Product specifications and description may be cha nged at any
time based on improvements or other reasons. It is Seller’s practice to change part
numbers when published ratings or features are changed, or when significant
engineering changes are made. However, some specifications of the Product may be
changed without any notice.
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including
Ultra-Miniature Automotive PCB Relay G8ND-2 5
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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
sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use.
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
programming of a programmable product, or any consequence thereof.
3. Performance Data
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
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.
5. Errors and Omissions
checked and is believed to be accurate; however, no responsibility is assumed
for clerical, typographical or proofreading errors, or omissions.
6. RoHS Compliance
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.
. Seller shall not be responsible for the user's
. Performance data given in this publication is provided as
. Product specifications and accessories may be
. The information in this publication has been carefully
. Where indicated, our products currently comply, to the
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 ELECTRONIC
COMPONENTS LLC
55 E. Commerce Drive, Suite B
Schaumburg, IL 60173
847-882-2288
Cat. No. J01C-E-01
6 Ultra-Miniature Automotive PCB Relay G8ND-2
01/07 Specifications subject to change without notice
OMRON ON-LINE
Global - http://www.omron.com
USA - http://www.components.omron.com
Printed in USA
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