1102 p&b dimensions are shown for reference purposes only. dimensions are in inches over (millimeters) unless otherwise specified. catalog 1308242 issued 3-03 specifications and availability subject to change. www.tycoelectronics.com technical support: refer to inside back cover. sample part number ssrt -240 d 1. basic series: 2. line voltage: 3. input type & voltage: ssrt = ?ockey puck?triac output solid state relay 10 4. maximum switching rating: 240 = 24 - 280 vac a = 90 - 280 vac linear d = 3 - 32 vdc constant current 10 = .1 - 10a rms, mounted to heatsink 25 = .1 - 25a rms, mounted to heatsink ordering information file e29244 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: 4000v rms minimum, input - output. capacitance: 8.0 pf typical (input to output). temperature range: storage: ?0? to +100? operating temperature: ?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. floating terminal design. low cost snubberless triac outputs. 10a & 25a rms versions. ac & dc input versions. 4000v rms isolation. input specifications our authorized distributors are more likely to maintain the following items in stock for immediate delivery. ssrt-240a10 ssrt-240a25 ssrt-240d10 ssrt-240d25 parameter control voltage range v must release voltage v (min.) input current (max.) ac input/ac output 90 - 280vac 10vac 90vac 8.5ma 3 - 32vdc 3vdc 1vdc 14ma dc input/ac output must operate voltage v (max.) in in(op) in(rel) ssrt series ?ockey puck solid state relay with snubberless triac output
1103 p&b dimensions are shown for reference purposes only. dimensions are in inches over (millimeters) unless otherwise specified. catalog 1308242 issued 3-03 specifications and availability subject to change. www.tycoelectronics.com technical support: refer to inside back cover. operating diagrams zero voltage circuit equivalent circuit only constant current dc input -4 +3 1 2 output zero voltage circuit equivalent circuit only ac input 4 3 1 2 output + outline dimensions 1 .7 5 0 (4 4 .4 5 ) .785 (19.94) .250 (6.35) 1 .1 0 0 (2 7 .9 4 ) .4 7 0 (1 1 .9 ) 2 .2 5 0 (5 7 .1 5 ) 1 .8 5 0 (4 7 .0 ) 1 .7 0 0 (4 3 .1 8 ) 1 .0 0 0 (2 5 .4 ) .8 7 5 (2 2 .2 3 ) .870 (22.1) l e d in d ic a t o r output specification (@ 25?, unless otherwise specified) electrical characteristics (thermal derating curves) *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 24 - 280 0.5 - 1.0 ssrt-240a10 & ssrt-240d10 ssrt-240a25 & ssrt-240d25 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 = nom. (120 or 240 v rms) v peak a rms a peak ma rms on-state voltage drop (max.) v peak 500 .1 8.3 for dc input types, 20 for ac input types 100 250 .1 - 10 .1 - 25 + - 600 8.3 for dc input types, 30 for ac input types 41 240 l 2.2 1.7 j-c resistive 1.5 1.3 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 c 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 mounti ng 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. 10a units 25a units
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