Catalog 1308242 Issued 3-03 P&B SSRT series “Hockey Puck” Solid State Relay With Snubberless Triac Output 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. Features Engineering Data • Standard “hockey 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. 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: –40°C to +100°C Operating Temperature: –20°C to + 80°C 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). Ordering Information Sample Part Number SSRT -240 D 10 1. Basic Series: SSRT = “hockey puck” triac output solid state relay 2. Line Voltage: 240 = 24 - 280 VAC 3. Input Type & Voltage: A = 90 - 280 VAC linear D = 3 - 32 VDC constant current 4. Maximum Switching Rating: 10 = .1 - 10A rms, mounted to heatsink 25 = .1 - 25A rms, mounted to heatsink Our authorized distributors are more likely to maintain the following items in stock for immediate delivery. SSRT-240A10 SSRT-240A25 SSRT-240D10 SSRT-240D25 Input Specifications Parameter AC Input/AC Output DC Input/AC Output 90 - 280VAC 3 - 32VDC Must Operate Voltage VIN(OP) (Max.) 90VAC 3VDC Must Release Voltage V IN(REL) (Min.) 10VAC 1VDC Input Current (Max.) 8.5mA 14mA Control Voltage Range VIN Dimensions are shown for 1102 reference purposes only. Dimensions are in inches over (millimeters) unless otherwise specified. Specifications and availability subject to change. www.tycoelectronics.com Technical support: Refer to inside back cover. Catalog 1308242 Issued 3-03 P&B Output Specification (@ 25°C, unless otherwise specified) Conditions Load Voltage Range V L V rms Repetitive Blocking Voltage (Min.) V peak Load Current Range I L* Resistive Single Cycle Surge Current (Min.) Leakage Current (Off-State) (Max.) On-State Voltage Drop (Max.) SSRT-240A10 & SSRT-240D10 Units SSRT-240A25 & SSRT-240D25 24 - 280 + Parameter - 600 A rms .1 - 10 A peak 100 f = 60 Hz. VL = Nom. (120 or 240 V rms) mA rms I L = Max. V peak .1 - 25 250 .1 1.5 1.3 500 V/µs Static dv/dt (Off-State) (Min.) Thermal Resistance, Junction to Case (R θ j-c) (Max.) ° C/W Turn-On Time (Max.) f = 60 Hz. 2.2 1.7 ms 8.3 for DC input types, 20 for AC input types 8.3 for DC input types, 30 for AC input types Turn-Off Time (Max.) f = 60 Hz. ms I2 t Rating Load Power Factor Rating t = 8.3 ms I L = Max. A 2 Sec. 41 240 0.5 - 1.0 *See Derating Curves Electrical Characteristics (Thermal Derating Curves) 25A Units 10A Units 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 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. Operating Diagrams -4 CONSTANT CURRENT DC INPUT +3 1 ZERO VOLTAGE CIRCUIT OUTPUT + AC INPUT 3 2 EQUIVALENT CIRCUIT ONLY 1 4 EQUIVALENT CIRCUIT ONLY ZERO VOLTAGE CIRCUIT OUTPUT 2 Outline Dimensions 1.850 (47.0) 1.700 (43.18) LED INDICATOR .870 (22.1) .875 (22.23) 1.100 .470 (27.94) (11.9) 1.750 (44.45) 1.000 (25.4) 2.250 (57.15) Dimensions are shown for reference purposes only. .785 (19.94) Dimensions are in inches over (millimeters) unless otherwise specified. .250 (6.35) Specifications and availability subject to change. www.tycoelectronics.com Technical support: Refer to inside back cover. 1103