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Low Signal Relay
s s
G5A
s s
s s
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 (Moving Loop System) 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 s Highly stable magnetic circuit for latching endurance and excellent resistance to vibration and shock s 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).
s NON-LATCHING
Type Standard High-sensitivity FCC part 68 Contact form DPDT Construction Semi-sealed Sealed Semi-sealed Sealed Semi-sealed Sealed Part number G5A-237P G5A-234P G5A-237PH G5A-234PH G5A-237P-FC G5A-234P-FC
Note: High-sensitivity versions of the FC type are also available.
s LATCHING
Part number Single-winding latching G5AU-237P G5AU-234P G5AU-237PH G5AU-234PH G5AU-237P-FC G5AU-234P-FC Double-winding latching G5AK-237P G5AK-234P -- -- G5AK-237P-FC G5AK-234P-FC
Type Standard High-sensitivity FCC part 68
Contact form DPDT
Construction Semi-sealed Sealed Semi-sealed Sealed Semi-sealed Sealed
G5A
G5A
Specifications
s 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 Inductive load (p.f. = 0.4) (L/R = 7 ms) 0.10 A at 30 VAC, 0.20 A at 30 VDC
0.50 A (AC) 0.50 A (DC) 12.50 VA 11 W
s COIL DATA
Standard non-latching and FCC part 68 type (G5A-237P, G5A-234P, G5A-237P-FC, G5A-234P-FC) 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
Rated voltage (VDC) 5 6 9 12 24 48
Rated current (mA) 40 33.30 22.20 16.70 8.30 5.80
Coil resistance () 125 180 405 720 2,880 8,230
Pick-up voltage 70% max.
Dropout voltage 10% min.
Maximum voltage 150%
% of rated voltage
Power consumption (mW) Approx. 200
Approx. 280
High-sensitivity non-latching type (G5A-237PH, G5A-234PH) 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
Rated voltage (VDC) 5 6 9 12 24
Rated current (mA) 30 25 16.70 12.50 6.50
Coil resistance () 167 240 540 960 3,700
Pick-up voltage
Dropout voltage
Maximum voltage 180%
% of rated voltage 80% max. 10% min.
Power consumption (mW) Approx. 150
Single-winding latching type. Standard and FCC part 68 version (G5AU-237P, G5AU-234P, G5AU-237P-FC, G5AU-234P-FC) Coil inductance (ref. value) (H) Armature OFF 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 Set pick-up voltage Reset dropout voltage
Rated voltage (VDC) 3 5 6 9 12 24
Rated current (mA) 66.70 40 33.30 22.20 16.70 8.30
Coil resistance () 45 125 180 405 720 2,880
Maximum voltage 200% max.
% of rated voltage 80% max. 80% max.
Power consumption (mW) Approx. 200
2
G5A
s COIL DATA (continued)
G5A
Double-winding latching type. Standard and FCC part 68 version (G5AK-237P, G5AK-234P, G5AK-237P-FC, G5AK-234P-FC) Coil inductance (ref. value) (H) Armature OFF 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 Set pick-up voltage Reset dropout voltage
Rated voltage (VDC) 3 5 6 9 12 24
Rated current (mA) 66.70 40 33.30 22.20 16.70 8.30
Coil resistance () 45 125 180 405 720 2,880
Maximum voltage 200% max.
% of rated voltage 80% max. 80% max.
Power consumption (mW) Approx. 200
Single-winding latching type. High-sensitivity version (G5AU-237PH, G5AU-234PH) Coil inductance (ref. value) (H) Armature OFF -- -- -- -- -- Armature ON -- -- -- -- -- Set pick-up voltage 80% max. Reset dropout voltage 80% max.
Rated voltage (VDC) 5 6 9 12 24
Rated current (mA) 20 16.70 11.10 8.40 4.20
Coil resistance () 250 360 810 1,440 5,760
Maximum voltage 200% max.
% of rated voltage
Power consumption (mW) Approx. 200
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).
s CHARACTERISTICS
Type Contact resistance Operate (set) time Release (reset) time Bounce time Operating frequency Insulation resistance Dielectric strength Standard FC Set and Reset coils Mechanical durability Malfunction durability Mechanical durability Malfunction durability Non-latching 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 Latching 5 ms max. (mean value approx. 2.0 ms) 5 ms max. (mean value approx. 1.8 ms)
Operate Release Mechanical Electrical
Vibration Shock
Ambient temperature Humidity Service life Mechanical Electrical Weight Note: Data shown are of initial value.
18,000 operations/hour (under rated load) 1,000 M min. (at 500 VDC) 100 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 250 VAC, 50/60 Hz for 1 minute 10 to 55 Hz; 1.50 mm (0.06 in) double amplitude 10 to 55 Hz; 1.50 mm (0.06 in) double amplitude Approx. 100 G Approx. 30 G -40 to 70C (-40 to 158F) 45% to 85% RH 50 million operations min. 1 million operations min. (at 18,000 operations/hour) (at 18,000 operations/hour) See "Characteristic Data" Approx. 3 g (0.11 oz)
3
G5A
s CHARACTERISTIC DATA
Maximum switching capacity Electrical service life
G5A
Ambient temperature vs. maximum voltage (reference only)
Rated operating current (A)
Service life (x103 operations)
Rated operating voltage (V)
Rated operating current (A)
Maximum voltage (%)
Ambient temperature (C)
Dimensions
Unit: mm (inch)
s 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:
4
54321 54321 54321
and
indicate mounting orientation marks.
G5A
s LATCHING
G5AU-237P, G5AU-237PH, G5AU-237P-FC Internal connections (Bottom view) Footprint (Bottom view)
G5A
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:
654321 654321 654321
and
indicate mounting orientation marks.
5
G5A
s 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 Contact ratings 0.5 A, 60 VAC 1 A, 30 VDC
G5A
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. Notes: 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.
3. Use a discharging current of capacitor C to release the latching relay, which flows through transistor TR, capacitor C, and the latching relay.
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G5A
G5A
OMRON ELECTRONICS, INC.
One East Commerce Drive Schaumburg, IL 60173
OMRON CANADA, INC.
885 Milner Avenue Scarborough, Ontario M1B 5V8
1-800-55-OMRON
Cat. No. GC RLY7 1/00 Specifications subject to change without notice.
416-286-6465
Printed in the U.S.A. 7

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