108 low signal relay g5a 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 contac t 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 note: high-sensitivity versions of t he fc type are also available. latching type contact form construction model standard dpdt semi-sealed g5a-237p sealed g5a-234p high-sensitivit y semi-sealed g5a-237ph sealed g5a-234ph fcc part 68 semi-sealed g5a-237p-fc sealed g5a-234p-fc type contact form construction model single-winding latching double-winding latching standard dpdt semi-sealed g5au-237p g5ak-237p sealed g5au-234p g5ak-234p high-sensitivit y semi-sealed g5au-237ph -- sealed g5au-234ph -- fcc part 68 semi-sealed g5au-237p-fc g5ak-237p-fc sealed g5au-234p-fc g5ak-234p-fc
low signal relay g5a 109 specifications contact data coil data standard non-latching and fcc part 68 type (g5a-237p, g5a-234p, g5a-237p-fc, g5a-234p-fc) high-sensitivity non-latching type (g5a-237ph, g5a-234ph) single-winding latching type. standard and fcc part 68 version (g5au-237p, g5au-234p, g5au-237p-fc, g5au-234p-fc) load resistive load (p.f. = 1) inductive load (p.f. = 0.4) (l/r = 7 ms) rated load 0.50 a at 30 vac, 1 a at 30 vdc 0.10 a at 30 vac, 0.20 a at 30 vdc contact material ag (au clad) carry current 1 a max. operating voltage 125 vac, 125 vdc max. operating current 1 a (ac) 1 a (dc) 0.50 a (ac) 0.50 a (dc) max. switching capacity 37.50 va, 33 w 12.50 va 11 w min. permissible load 10 a, 10 mvdc rated voltage (vdc) rated current (ma) coil resistance ( ? ) coil inductance (ref. value) (h) pick-up voltage dropout voltage maximum voltage power consumption (mw) armature off armature on % of rated value 5 40 125 0.13 0.12 70% max 10% min. 150% approx. 200 6 33.30 180 0.17 0.16 9 22.20 405 0.43 0.40 12 16.70 720 0.71 0.68 24 8.30 2,880 2.76 2.70 48 5.80 8,230 7.44 7.25 approx. 280 rated voltage (vdc) rated current (ma) coil resistance ( ? ) coil inductance (ref. value) (h) pick-up voltage dropout voltage maximum voltage power consumption (mw) armature off armature on % of rated value 5 30 167 0.17 0.16 80% max. 10% min. 180% approx. 150 6 25 240 0.22 0.21 9 16.70 540 0.58 0.54 12 12.50 960 1 0.96 24 6.50 3,700 3.90 3.80 rated voltage (vdc) rated current (ma) coil resistance ( ? ) coil inductance (ref. value) (h) set pick-up voltage reset dropout voltage maximum voltage power consumption (mw) armature off armature on % of rated value 3 66.70 45 0.02 0.02 80% max. 80% min. 200% approx. 200 5 40 125 0.06 0.05 6 33.30 180 0.08 0.07 9 22.20 405 0.17 0.14 12 16.70 720 0.29 0.24 24 8.30 2,880 1.10 0.85
110 low signal relay g5a double-winding latching type. standard and fcc part 68 version (g5ak-237p, g5ak-234p, g5ak-237p-fc, g5ak-234p-fc) single-winding latching type. high-sen sitivity version (g5au-237ph, g5au-234ph) 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 note: data shown are of initial value. rated voltage (vdc) rated current (ma) coil resistance ( ? ) coil inductance (ref. value) (h) set pick-up voltage reset dropout voltage maximum voltage power consumption (mw) armature off armature on % of rated value 3 66.70 45 0.02 0.02 80% max. 80% max. 200% max. approx. 200 5 40 125 0.06 0.05 6 33.30 180 0.08 0.07 9 22.20 405 0.17 0.14 12 16.70 720 0.29 0.24 24 8.30 2,880 1.10 0.85 rated voltage (vdc) rated current (ma) coil resistance ( ? ) coil inductance (ref. value) (h) set pick-up voltage reset dropout voltage maximum voltage power consumption (mw) armature off armature on % of rated value 5 20 250 -- -- 80% max. 80% max. 200% max. approx. 200 6 16.70 360 -- -- 9 11.10 810 -- -- 12 8.40 1,440 -- -- 24 4.20 5,760 -- -- type non-latching latching contact resistance 50 m ? max. operate (set) time 5 ms. max. (mean value approx 2.4 ms) 5 ms. max. (mean value opprox. 2.0 ms) release (reset) time 5 ms. max. (mean value approx. 1.1 ms) 5 ms. max. (mean value approx. 1.8 ms) bounce time operate approx. 0.5 ms release approx. 0.5 ms operating frequency mechanical 36,000 operations/hour electrical 18,000 operations/hour (under rated load) insulation resistance 1,000 m ? min. (at 500 vdc) 1,000 m ? min. (at 250 vdc) dielectric strength -- 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 standard 500 vac, 50/60 hz for 1 minute between contacts of same pole fc 750 vac, 50/60 hz for 1 minute between contacts of same pole set and reset coils -- 250 vac, 50/60 hz for 1 minute vibration mechanical durability 10 to 55 hz; 1.50 mm (0.06 in) double amplitude malfunction durability malfunction durability10 to 55 hz; 1.50 mm (0.06 in) double amplitude shock mechanical durability approx. 100 g malfunction durability approx. 30 g ambient temperature -40 to 70 c (-40 to 158 f) humidity 45% to 85% rh service life mechanical 50 million operations min. (at 18,000 operations/hour) 1 million operations min. (at 18,000 operations/hour) electrical see ?characteristic data? weight approx. 3 g (0.11 oz)
low signal relay g5a 111 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 g5a-234p, g5a-234ph, g5a-234p-fc note: 1. and indicate mounting orientation marks. internal connections (bottom view) footprint (bottom view) internal connections (bottom view) footprint (bottom view)
112 low signal relay g5a latching g5au-237p, g5au-237ph, g5au-237p-fc g5ak-237p, g5ak-237ph, g5ak-237p-fc g5au-234p, g5au-234ph, g5au-234p-fc g5ak-234p, g5ak-234ph, g5ak-234p-fc note: 1. and indicate mounting orientation marks. internal connections (bottom view) footprint (bottom view) internal connections (bottom view) footprint (bottom view) internal connections (bottom view) footprint (bottom view) internal connections (bottom view) footprint (bottom view)
low signal relay g5a 113 approvals ul (file no. e41515)/ csa (file no. lr24825) note: 1. the rated values approved by each of the safety standards (e.g ., ul and csa) may be different fr om the performance characterist ics 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 c an function like a general-purpose relay from a normal input pulse for switching. 2. use a charging current of capac itor c to operate the latching relay, which flows suddenly thr ough diode d1, capacitor c, latch- ing relay, and diode d2, and the relay contacts will be put in the locked state. 3. use a discharging current of capac itor 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 con- straints. 2. because omron possesses the patent of this drive circuit, contact omron when adopting it. type contact form coil ratings contact ratings 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 dpdt 1.5 to 48 vdc 0.5 a, 60 vac 1 a, 30 vdc 0.5 a, 60 vac 0.5 a, 60 vdc 1 a, 30 vdc
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omron on-line global - http://www.omron.com usa - http://www.omron.com/oei canada - http://www.omron.ca cat. no. gc rly8a printed in usa omron canada, inc. 885 milner avenue toronto, ontario m1b 5v8 416-286-6465 omron electronic components llc 55 e. commerce drive, suite b schaumburg, il 60173 847-882-2288 8/04 specificat ions subject to change without notice complete ?terms and conditions of sale? for product purchase and use are on omron?s website at www.omron.com/oei ? under the ?about us? tab, in the legal matters section. all dimensions shown are in millimeters. to convert millimeters into inches, multiply by 0.0393 7. to convert grams into ounces, multiply by 0.03527.
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