1104 p&b dimensions are shown for reference purposes only. dimensions are in inches over (millimeters) unless otherwise specified. catalog 1308242 issued 3-03 (pdf rev. 1-05) specifications and availability subject to change. www.tycoelectronics.com technical support: refer to inside back cover. sample part number ssr -240 d 1. basic series: 2. line voltage: 3. input type & voltage: ssr = "hockey puck" inverse parallel scr output solid state relay 25 4. maximum switching rating/output: 240 = 24 - 240vac 25 = .1 - 25a rms, mounted to heatsink 50 = .1 - 50a rms, mounted to heatsink 125 = .1 - 125a rms, mounted to heatsink 5. options: leave blank = zero voltage turn-on r = random voltage turn-on (phase controllable) 480 = 48 - 660vac a = 90 - 280vac d = 3 - 32vdc ordering information file e81606 users should thoroughly review the technical data before selecting a product part number. it is recommended that users also seek out the pertinent approvals files of the agencies/laboratories and review them to ensure the product meets the requirements for a given application. engineering data form: 1 form a (spst-no). duty: continuous. isolation: 4,000v rms minimum. capacitance: 8 pf typical (input to output). temperature range: storage: ?0? to +100? operating: ?0? to +80? case material: plastic, ul rated 94v-0. case and mounting: refer to outline dimension. termination: refer to outline dimension. approximate weight: 3.5 oz. (98g). features ?standard ?ockey puck?package. enhanced noise immunity (designed to meet level 3 requirements of european emc directive). ?led indicator. ?inverse parallel scr output. ?25, 50, & 125a rms versions. ?120/240vac & 480vac output types. ?zero voltage and random voltage turn-on versions. ?ac & dc input versions. ?4,000v rms optical isolation. ?floating terminal design. input specifications our authorized distributors are more likely to maintain the following items in stock for immediate delivery. ssr-240a25 ssr-240d25 ssr-240d50 ssr-240a50 ssr-240d25r ssr-480d125 parameter control voltage range v must release voltage v (min.) input current (max.) 3 - 32vdc must operate voltage v (min.) 3vdc 1vdc 15ma 4 - 32vdc 4vdc 1vdc 15ma ac input dc input 240vac rated models in zero v turn-on units 90 - 280vac 90vac 10vac 15ma zero and random v turn-on units in(op) in(rel) 480vac rated models ssr series ?ockey puck solid state relay with paired scr output
1105 p&b dimensions are shown for reference purposes only. dimensions are in inches over (millimeters) unless otherwise specified. catalog 1308242 issued 3-03 (pdf rev. 1-05) specifications and availability subject to change. www.tycoelectronics.com technical support: refer to inside back cover. electrical characteristics (thermal derating curves) output specifications (@ 25 c, unless otherwise specified) *see derating curves parameter conditions units load voltage range v repetitive blocking voltage (min.) thermal resistance, junction to case (r ) (max.) i t rating a sec. v rms c/w v/ s ms ms turn-off time (max.) i = max. 2 turn-on time (max.) l l .1 25a models single cycle surge current (min.) load current range i * leakage current (off-state) (max.) static dv/dt (off-state) (min.) load power factor rating l t = 8.3 ms 2 f = 60 hz. f = 60 hz. i = max. l f = 60 hz. v = 240v rms v peak v rms a peak on-state voltage drop (max.) 250 .05 - 25 .1 - 125 j-c 1,700 .15 24 - 280 1.35 .25 48 - 660 600 500 l 50a models 12,000 nom. line voltage 120/240v model 480v model 120/240 model 480v model 120/240 & 480v models 120/240 & 480v models 120/240v model 480v model 120/240 & 480v models 120/240 & 480v models 120/240 & 480v models 120/240 & 480v models 120/240 & 480v models 120/240 & 480v models 120/240 & 480v models f = 60 hz. v = 480v rms l a rms 0.4 937 .1 - 50 750 0.25 2,458 v peak 1200 8.3 for zero voltage turn-on dc input types, 20 for zero voltage turn-on ac input types, 0.02 for random voltage turn-on models 8.3 for dc input types, 30 for ac input types 0.5 - 1.0 125a models resistive ma rms heatsink recommendations ? we recommend that solid state relay modules be mounted to a heatsink sufficient to maintain the module s base temperature at less than 85? under worst case ambient temperature and load conditions. ? the heatsink mounting surface should be a smooth (30-40 micro-inch finish), flat (30-40 micro-inch flatness across mating area), un-painted surface which is clean and free of oxidation. ? an even coating of thermal compound (dow corning dc340 or equivalent) should be applied to both the heatsink and module mounting surfaces and spread to a uniform depth of .002?to eliminate all air pockets. ? the module should be mounted to the heatsink using two #10 screws. outline dimensions 1.750 (44.45) .785 (19.94) .250 (6.35) 1.100 (27.94) .470 (11.9) 2.250 (57.15) 1.850 (47.0) 1.700 (43.18) 1.000 (25.4) .875 (22.23) .870 (22.1) led indicator zero voltage circuit zero voltage circuit 1 ? ? 1 2 2 -4 4 3 +3 equivalent circuit only constant current dc input output ac input output equivalent circuit only ? random turn-on units have a random turn-on circuit instead of zero voltage circuit operating diagrams 50a units 25a units 125a units
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