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Low Signal Relay
G5A
* Subminiature 8.40 H x 9.90 W x 16 L mm * Unique moving-loop armature reduces relay size, magnetic interference, and contact bounce time. * Low nominal power consumption. * Bifurcated crossbar contact assures reliable switching of loads as low as 10 mVDC, 0.1 mA (reference value). * Available in standard and ultrasonic cleaning versions. * Highly stable magnetic circuit for latching endurance and excellent resistance to vibration and shock. * Single or double coil winding types available. * RoHS Compliant.
RC FCC
Ordering Information
To Order: Select the part number and add the desired coil voltage rating (e.g., G5AU-234P-DC12).
Non-Latching
Type Standard Contact form DPDT Construction Sealed G5A-234P Model
Latching
Type Standard Contact form DPDT Construction Single-winding latching Sealed G5AU-234P Model Double-winding latching G5AK-234P
Model Number Legend
G5A 1
23 4 5
6
DC 7
3. Contact Type 3: Bifurcated crossbar Ag (Au-Alloy) 4. Enclosure Ratings 4: Fully sealed 5. Terminals P: Straight PCB C: Self-clinching PCB 6. Special Function None: General-purpose FC: FCC part 68 compliance U: For ultrasonically cleanable 7. Rated Coil Voltage 3, 5, 6, 9, 12, 24, 48 VDC
1. Relay Function None: Single-side stable U: Single-winding latching K: Double-winding latching 2. Contact Form 2: DPDT
Low Signal Relay
G5A
31
Specifications
Contact Data
Load Rated load Contact material Carry current Max. operating voltage Max. operating current Max. switching capacity Min. permissible load (See note) Resistive load (p.f. = 1) 0.50 A at 30 VAC, 1 A at 30 VDC Ag (Au clad) 1A 125 VAC, 125 VDC 1 A (AC) 1 A (DC) 37.50 VA, 33 W 10 A, 10 mVDC 0.50 A (AC) 0.50 A (DC) 12.50 VA 11 W Inductive load (p.f. = 0.4) (L/R = 7 ms) 0.10 A at 30 VAC, 0.20 A at 30 VDC
Note: P level: 60 = 0.1 x 10-6/operation This value was measured at a switching frequency of 120 operations/min and the criterion of contact resistance is 100 . This value may vary depending on the switching frequency and operating environment. Always double-check relay suitability under actual operating conditions.
Coil Data
Standard Non-latching (G5A-234P)
Rated voltage Rated current (VDC) (mA) Coil resistance () 45 125 180 405 720 2,880 8,230 Coil inductance (ref. value) (H) Armature OFF 0.048 0.13 0.17 0.43 0.71 2.76 7.44 Armature ON 0.043 0.12 0.16 0.40 0.68 2.70 7.25 170% Approx. 280 70% max Pick-up voltage Dropout voltage % of rated value 10% min. 200% Approx. 200 Maximum voltage Power consumption (mW)
3 5 6 9 12 24 48
66.7 40 33.30 22.20 16.70 8.30 5.80
Latching (G5AU-234P, G5AK-234P)
Rated voltage Rated current (VDC) (mA) Coil resistance () Coil inductance (ref. value) (H) Armature OFF 3 5 6 9 12 24 66.70 40 33.30 22.20 16.70 8.30 45 125 180 405 720 2,880 0.02 0.06 0.08 0.17 0.29 1.10 Armature ON 0.02 0.05 0.07 0.14 0.24 0.85 80% max. Set pick-up voltage Reset dropout voltage % of rated value 80% min. 200% Approx. 200 Maximum voltage Power consumption (mW)
Note: 1. The rated current and coil resistance are measured at a coil temperature of 23C (73F) with a tolerance of 10%. 2. The operating characteristics are measured at a coil temperature of 23C (73F). 3. The maximum voltage is the highest voltage that can be imposed on the relay coil
32
Low Signal Relay
G5A
Characteristics
Type Contact resistance (See note 2) Operate (set) time Release (reset) time Operating frequency Mechanical (max.) Electrical Insulation resistance (See note 3) Dielectric strength Standard 50 m max. 5 ms. max. (mean value approx 2.4 ms) 5 ms. max. (mean value approx. 1.1 ms) 36,000 operations/hour 18,000 operations/hour (under rated load) 1,000 m min. (at 250 VDC) 1,000 VAC, 50/60 Hz for 1 minute between coil and contacts (See note 4) 1,000 VAC, 50/60 Hz for 1 minute between contacts of different poles (See note 4) 500 VAC, 50/60 Hz for 1 minute between contacts of same pole (See note 5) Set and reset coils Vibration Shock Ambient temperature Humidity Service life Mechanical Electrical Weight Mechanical durability Malfunction durability Mechanical durability Malfunction durability -100 VAC, 50/60 Hz for 1 minute Impulse Withstand Voltage (See notes 4 & 5) 1,500 V (10 x 160 s) between contacts of the same polarity (conforms to FCC Part 68) 10 to 55 Hz; 1.50 mm (0.06 in) double amplitude 10 to 55 Hz; 1.50 mm (0.06 in) double amplitude 1,000 m/s2 (approx. 100 G) 300 m/s2 (approx. 30 G -40 to 70C (-40 to 158F) with no icing 5% to 85% RH 50 million operations min. at 36,000 operations/hour Approx. 3 g (0.11 oz) 50 million operations min. at 36,000 operations/hour 5 ms. max. (mean value approx. 2.0 ms) 5 ms. max. (mean value approx. 1.8 ms) Non-latching Latching
100,000 operations min. (at 1,800 operations/hr) See "Characteristic Data"
Note: 1. Data shown are of initial value. 2. The contact resistance was measured with 10 mA at 1 VDC with a voltage drop method 3. The insulation resistance was measured with a 250-VDC megohmmeter applied to the same parts as those used for checking the dielectric strength (except between the set and reset coil). 4. Models with FC suffix: 1,200 VAC, 50/60 Hz for 1 min, impulse withstand voltage of 1,500 V (10 x 160 s) 5. Models with FC suffix: 750 VAC, 50/60 Hz for 1 min, impulse withstand voltage of 1,500 V (10 x 160 s)
Characteristic Data
Maximum Switching Capacity Electrical Service Life
10,000
Ambient Temperature vs. Maximum Coil Voltage
Maximum coil voltage (%)
Service Life (x10 3 operations)
Rated operating current (A)
5,000
30-VDC inductiveload (L/R = 7 ms) 30-VDC resistive load
200 mW
DC resistive load AC resistive load DC inductive load (L/R = 7 ms) AC inductive load (cosf = 0.4)
1,000 500
30-VAC resistive load
280 mW
100 50 30-VAC inductive load (cosf = 0.4)
Rated operating voltage (V)
Rated operating current (A)
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.
Low Signal Relay
G5A
33
Dimensions
Note: 1. All units are in millimeters unless otherwise inciated. To convert millimeters into inches, multiply by 0.03937. 2. Orientation marks are indicated as follows:
G5A-234P
16 max. (15.9)* 8.4 max. 0.64 (8.3)*
9.9 max. (9.8)*
Terminal Arrangement/ Internal Connections (Bottom View)
6 3 5 (1.2)
Mounting Holes (Bottom View) Tolerance: 0.1
2.54 5.08 5.08 (1.1) 7.62
1 0.25
3.16
12
0.6
+
10
8 7
7.62 (2)
*Average value Eight, 1-dia. holes
G5AU-234P
16 max. (15.9)* 8.4 max. 0.64 (8.3)* 9.9 max. (9.8)* 1 -+ SR +12 0.25 3.16 0.6 7.62 *Average value Eight, 1-dia. holes (2) 3 10 8 7 7.62 6 5 (1.2) 5.08 5.08 2.54 (1.1)
G5AK-234P
16 max. (15.9)* 8.4 max. 0.64 (8.3)* 9.9 max. (9.8)* -1 S + 12 + 0.25 7.62 *Average value 2 R 11 6 35 8 7 (1.2)
2.54 2.54 5.08 2.54 (1.1) 7.62
10
3.16
0.6
S: Set coil R: Reset coil
Ten, 1-dia. holes
(2)
Approvals
UL Recognized (File No. E41515)/CSA Certified (File No. LR24825) - - Ambient Temp. = 40C
Type G5A-234P G5AU-234P G5AK-234P Contact form DPDT Coil ratings 3 to 48 VDC 3 to 24 VDC 0.5 A, 60 VAC 0.5 A, 60 VDC 1 A, 30 VDC Contact ratings
Note: 1. The rated values approved by each of the safety standards (e.g., UL and CSA) may be different from the performance characteristics individually defined in this catalog. 2. In the interest of product improvement, specifications are subject to change.
34
Low Signal Relay
G5A
Hints on Correct Use
Single-winding type (G5AU) Example of low-power drive circuit
1. The figure below shows a drive circuit (JAPAN PAT. NO. 1239293) in which the latching relay can function like a general-purpose relay from a normal input pulse for switching. 2. Use a charging current of capacitor C to operate the latching relay, which flows suddenly through diode D1, capacitor C, latching relay, and diode D2, and the relay contacts will be put in the locked state.
3. Use a discharging current of capacitor C to release the latching relay, which flows through transistor TR, capacitor C, and the latching relay.
Note: 1. When applying the relay for practical use, make sure of the set or reset state of the relay; then determine the circuit constraints. 2. Because OMRON possesses the patent of this drive circuit, contact OMRON when adopting it.
Precautions
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. We recommend using a latching relay (magnetic-holding relay) in this kind of circuit. If a single-side stable model must be used in this kind of circuit, we recommend using a fail-safe circuit design that provides protection against contact failure or coil burnout.
Relay Handling
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 40C. Do not put the Relay in a cold cleaning bath immediately after soldering.
Low Signal Relay
G5A
35
MEMO
36
Low Signal Relay
G5A
Omron Electronic Components, LLC
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Low Signal Relay
G5A
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. 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. 5. Errors and Omissions. The information in this publication has been carefully 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 ELECTRONIC COMPONENTS LLC
55 E. Commerce Drive, Suite B Schaumburg, IL 60173
OMRON ON-LINE
Global - http://www.omron.com USA - http://www.components.omron.com
847-882-2288
Cat. No. X301-E-1 06/09 Specifications subject to change without notice Printed in USA
Low Signal Relay
G5A

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