coil power at pickup voltage 450 mw (typical) max continuous dissipation 1.3 w at 20c (68f) ambient temperature rise 40c (72f) at nominal coil voltage temperature max. 155c (311f) contacts arrangement spst (1 form a) spdt (1 form c) ratings resistive load medium duty max. switched power: 420 w or 2500 va max. switched current: 20 a max. switched voltage: 30 vdc or 250 vac material silver tin oxide resistance <100 milliohms initially (24 v, 1 a voltage drop method) general data life expectancy minimum operations mechanical 1x10 7 electrical 1 x 10 5 at 20 a 14 vdc res. operate time (typical) 10 ms at nominal coil voltage release time (typical) 5 ms at nominal coil voltage (with no coil suppression) dielectric strength 2500 vrms contact to coil (at sea level for 1 min.) 1000 vrms across contacts insulation resistance 100 megohms min. at 20c, 500 vdc, 50% rh dropout greater than 10% of nominal coil voltage ambient temperature at nominal coil voltage operating -40c(-40f) to 85c(185f) storage -55c(-67f) to 155c(311f) vibration 0.039" da at 10?55hz shock 10 g operational, 100 g damage enclosure p.b.t. polyester terminals tinned copper alloy, p.c. max. solder temp. 270c (518f) max. solder time 5 seconds max. solvent temp. 80c (176f) max. immersion time 30 seconds weight 10 g az9421a 11/30/06 20 amp miniature automotive relay features ? high switching capacity ? 20 amps dc coils to 24 vdc epoxy sealed versions available class f insulation for high temperature operation qs9000, iso9001, iso14001 tested in accordance with sae j2544 extremely cost effective notes 1. all values at 20c (68f). 2. relay may pull in with less than ?must operate? value. 3. unsealed relays should not be dip cleaned. 4. specifications subject to change without notice.
relay ordering data standard relays coil specifications order number* nominal coil must operate max. continuous coil resistance unsealed sealed vdc vdc vdc 10% 6 4.5 7.8 45 az9421a?1ct?6d az9421a?1ct?6de 12 9.0 15.6 180 az9421a?1ct?12d az9421a?1ct?12de 24 18.0 31.2 720 az9421a?1ct?24d az9421a?1ct?24de *substitute ?1at? in place of ?1ct? to indicate 1 form a contact. az9421a 11/30/06 mechanical data dimensions in inches with metric equivalents in parentheses. tolerance: 0.010" 1a 1c bottom view .76 8 max [19.5] .6 3 0max [16.0] .67 3 max [17.1] .0 83 [2.1] .079 [2.0] .4 8 0 [12.2] .1 38 [ 3 .5] 3 -.0 3 9x.016 [1.0x0.4] 2-?.02 8 [?0.7] .472 [12.0] .4 8 0 [12.2] .2 3 6 [6.0] .079 [2.0] .472 [12.0] 5-?.051 [?1. 3 ] 5 1 2 3 1 5 2 3 4 pc board layout outline dimensions wiring diagram
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