122 application dimensions unit: mm ul cul :ul1449 :c22.2 no.8 e322107 safety standard file no. electrical specifications rhca-242h74u *1 rhca-302h74u *1,2 rhca-362h74u *1,2 rhca-452h74u *1,2 impulse sparkover voltage 1.2/50 s (v) 1,000 (dc500v) 1,000 (dc1,000v) model number 2,400v20% 3,000v20% 3,600v20% 4,500v20% insulation resistance min. (m ) ac1,000v-60sec ac1,200v- 3sec ac1,500v-60sec ac1,500v-60sec ac1,800v- 3sec ac2,000v- 60sec withstand voltage test 50/60hz impulse life test capacitance 1mhz dc sparkover voltage (reference value) 8/20 s 2,000a 1 times 8/20 s 100a 300 times 0.6pf max. impulse discharge current safety standard features rhca7044 series surge protective devices chip surge absorber for protection from indirect lighting surge, adaptable to high density surface mount technology smd type, usable for reflow soldering impulse current capacity 2,000a 8/20 s small electrostatic capacity (maximum 0.6pf) creepage distance is more than 6mm rhca7044 series is smd type- surge protective device for protection from indirect lightning surge. this series has excellent surge suppression performance and 2,000a 8/20 s impulse current capacity, also meets electric strength test standards such as ac withstand voltage test. 4.40.3 4.40.3 7.00.3 (0.4) (0.4) gnd equipmemt rhca high voltage rhca t r example (telecommunication line): example (power supply ac): gnd equipmemt high voltage rhca l1 l2 4,500 max. specification 4,700 max. 4,950 max. 7,950 max. applied voltage 5,000 8,000 new *1 rated voltage ac125v: approved if it is connected to ul approved varistor (v1.0ma 270v, d ? 10mm). *2 rated voltage ac250v: approved if it is connected to ul approved varistor (v1.0ma 470v, d ? 10mm).
123 land solder resist size packing form model numbering system h rca 4 22 7 h4u series name dc sparkover voltage tolerance 74 7.0(l)4.4(w) u taping h 20% recommended land pattern taping dimensions reel dimensions (2,000pcs per one reel) unit: mm dimensions (mm) reflow soldering a b c dimensions (mm) unit: mm unit: mm a b c d e w t r 3803 802 13.00.5 211 2.01 17.52 2.00.5 1.00.2 dimensions (mm) a b w f e p 1 p 2 p 0 d 0 d 1 t 1 t 2 5.00.3 7.60.3 16.00.4 7.50.2 1.750.2 8.00.2 2.00.2 4.00.2 1.550.1 1.5 min. 0.400.2 4.80.2 a 5.8 8.5 b 4.8 c 242 24x102=2,400v rhca7044 series surge protective devices surge protective devices p p p w e f 1 2 0 0 d b a t 2 t 1 d 1 t b e c d r a w
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