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Low Signal Relay
G5A
* Subminiature 8.40 H x 9.90 W x 16 L mm (0.33 H x 0.38 W x 0.63 L in). * Unique moving magnet armature reduces relay size, magnetic interference, and contact bounce time. * Low nominal power consumption (200 mW). * Bifurcated crossbar contact assures highly reliable switching of loads as low as 10 mVDC, 0.1 mA (reference value). * Automatic flow or dip soldering possible. * Available in standard, high-sensitivity, high-dielectric (FCC part 68), low thermoelectromotive force, 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.
Ordering Information
To Order: Select the part number and add the desired coil voltage rating (e.g., G5AU-234P-DC12).
Non-Latching
Type Standard High-sensitivity FCC part 68 Contact form DPDT Construction Semi-sealed Sealed Semi-sealed Sealed Semi-sealed Sealed Note: High-sensitivity versions of the FC type are also available. G5A-237P G5A-234P G5A-237PH G5A-234PH G5A-237P-FC G5A-234P-FC Model
Latching
Type Standard Contact form DPDT Construction Single-winding latching Semi-sealed Sealed High-sensitivity FCC part 68 Semi-sealed Sealed Semi-sealed Sealed G5AU-237P G5AU-234P G5AU-237PH G5AU-234PH G5AU-237P-FC G5AU-234P-FC Model Double-winding latching G5AK-237P G5AK-234P --G5AK-237P-FC G5AK-234P-FC
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Low Signal Relay G5A
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Specifications
Contact Data
Load Rated load Contact material Carry current Max. operating voltage Max. operating current Max. switching capacity Min. permissible load 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
Coil Data
Standard Non-latching and FCC Part 68 Type (G5A-237P, G5A-234P, G5A-237P-FC, G5A-234P-FC)
Rated voltage Rated current (VDC) (mA) Coil resistance () 125 180 405 720 2,880 8,230 Coil inductance (ref. value) (H) Armature OFF 0.13 0.17 0.43 0.71 2.76 7.44 Armature ON 0.12 0.16 0.40 0.68 2.70 7.25 Approx. 280 70% max Pick-up voltage Dropout voltage % of rated value 10% min. 150% Maximum voltage Power consumption (mW) Approx. 200
5 6 9 12 24 48
40 33.30 22.20 16.70 8.30 5.80
High-sensitivity Non-latching Type (G5A-237PH, G5A-234PH)
Rated voltage Rated current (VDC) (mA) Coil resistance () 167 240 540 960 3,700 Coil inductance (ref. value) (H) Armature OFF 0.17 0.22 0.58 1 3.90 Armature ON 0.16 0.21 0.54 0.96 3.80 80% max. Pick-up voltage Dropout voltage % of rated value 10% min. 180% Maximum voltage Power consumption (mW) Approx. 150
5 6 9 12 24
30 25 16.70 12.50 6.50
Single-winding Latching Type. Standard and FCC Part 68 Version (G5AU-237P, G5AU-234P, G5AU-237P-FC, G5AU-234P-FC)
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)
Low Signal Relay G5A
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Double-winding Latching Type. Standard and FCC Part 68 Version (G5AK-237P, G5AK-234P, G5AK-237P-FC, G5AK-234P-FC)
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% max. 200% max. Approx. 200 Maximum voltage Power consumption (mW)
Single-winding Latching Type. High-sensitivity Version (G5AU-237PH, G5AU-234PH)
Rated voltage Rated current (VDC) (mA) Coil resistance () Coil inductance (ref. value) (H) Armature OFF 5 6 9 12 24 20 16.70 11.10 8.40 4.20 250 360 810 1,440 5,760 ----------Armature ON 80% max. Set pick-up voltage Reset dropout voltage % of rated value 80% max. 200% max. 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).
Characteristics
Type Contact resistance Operate (set) time Release (reset) time Bounce time Operating frequency Insulation resistance Dielectric strength -Standard FC Set and reset coils Vibration Shock Ambient temperature Humidity Service life Mechanical Electrical Weight Note: Data shown are of initial value. Mechanical durability Mechanical durability Operate Release Mechanical Electrical 50 m max. 5 ms. max. (mean value approx 2.4 ms) 5 ms. max. (mean value approx. 1.1 ms) Approx. 0.5 ms Approx. 0.5 ms 36,000 operations/hour 18,000 operations/hour (under rated load) 1,000 m min. (at 500 VDC) 1,000 m min. (at 250 VDC) 1,000 VAC, 50/60 Hz for 1 minute between coil and contacts 1,000 VAC, 50/60 Hz for 1 minute between contacts of different poles 500 VAC, 50/60 Hz for 1 minute between contacts of same pole 750 VAC, 50/60 Hz for 1 minute between contacts of same pole -10 to 55 Hz; 1.50 mm (0.06 in) double amplitude Approx. 100 G -40 to 70C (-40 to 158F) 45% to 85% RH 50 million operations min. (at 18,000 operations/hour) See "Characteristic Data" Approx. 3 g (0.11 oz) 1 million operations min. (at 18,000 operations/hour) 250 VAC, 50/60 Hz for 1 minute 5 ms. max. (mean value opprox. 2.0 ms) 5 ms. max. (mean value approx. 1.8 ms) Non-latching Latching
Malfunction durability Malfunction durability10 to 55 Hz; 1.50 mm (0.06 in) double amplitude Malfunction durability Approx. 30 G
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Low Signal Relay G5A
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Characteristic Data
Maximum Switching Capacity Electrical Service Life Ambient Temperature vs. Maximum Voltage (reference only)
Dimensions
Unit: mm (inch)
Non-latching
G5A-237P, G5A-237PH, G5A-237P-FC
Internal connections (Bottom view) Footprint (Bottom view)
G5A-234P, G5A-234PH, G5A-234P-FC
Internal connections (Bottom view) Footprint (Bottom view)
Note: 1.
and
indicate mounting orientation marks.
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Latching
G5AU-237P, G5AU-237PH, G5AU-237P-FC
Internal connections (Bottom view) Footprint (Bottom view)
G5AK-237P, G5AK-237PH, G5AK-237P-FC
Internal connections (Bottom view) Footprint (Bottom view)
G5AU-234P, G5AU-234PH, G5AU-234P-FC
Internal connections (Bottom view) Footprint (Bottom view)
G5AK-234P, G5AK-234PH, G5AK-234P-FC
Internal connections (Bottom view) Footprint (Bottom view)
Note: 1.
and
indicate mounting orientation marks.
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Low Signal Relay G5A
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Approvals
UL (File No. E41515)/CSA (File No. LR24825)
Type G5A-234P G5A-234PH G5A-234P-FC G5A-237P G5A-237PH G5A-237P-FC G5AU-237P G5AU-237PH G5AU-237P-FC G5AK-237P G5AK-237P-FC G5AU-234P G5AU-234PH G5AU-234P-FC G5AK-234P G5AK-234P-FC Contact form DPDT Coil ratings 1.5 to 48 VDC 0.5 A, 60 VAC 1 A, 30 VDC Contact ratings
0.5 A, 60 VAC 0.5 A, 60 VDC 1 A, 30 VDC
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.
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.
Low Signal Relay G5A
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ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, divide by 25.4
OMRON ELECTRONICS LLC
One Commerce Drive Schaumburg, IL 60173
OMRON CANADA, INC.
885 Milner Avenue Toronto, Ontario M1B 5V8
OMRON ON-LINE
Global - http://www.omron.com USA - http://www.omron.com/oei Canada - http://www.omron.ca
847-882-2288
416-286-6465
Cat. No. GC RLY8
5/03
Specifications subject to change without notice
Printed in USA
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Low-Signal Relay G5A

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