ST VDE IC DRIVABLE PC BOARD RELAY FOR FIELD LOAD ST RELAYS SWITCHING FEATURES 14 31 .551 1.220 Sealed to meet the combination High switching capacity and high process of automatic wave soldering sensitivity in subminiature size 11.3 .445 and cleaning needs 150 mW pick-up, 8 A inrush capacity: 51 A for 1a1b, 35 A for 2a Latching types available High shock and vibration resistance Shock: 20 G, Vibration: 10 to 55 Hz at double amplitude of 2 mm mm inch SPECIFICATIONS Contacts Characteristics (at 25C 77F 50% Relative humidity) 1 Form A Max. operating speed 20 cpm (at rated load) Arrangement 2 Form A 1 Form B 1 Initial insulation resistance* 1,000 M (at 500 V DC) Contact material Gold ash over silver alloy Between contact sets 2,000 Vrms Initial Initial contact resistance, max. 30 m breakdown Between open contacts 1,200 Vrms Max. switching power 2,000 VA, 150 W 2 voltage* Between contacts and coil 3,750 Vrms Max. switching voltage 380 V AC, 250 V DC Rating Surge voltage between coil and (resistive) Max. switching current 8 A Min. 6,000 V 3 contact* 1 Min. switching capacity 100 mA, 5 V DC 4 Operate time* HP rating 1/4 HP 125, 250 V AC Max. 15 ms (Approx. 10 ms) (at nominal voltage) 51 A (TV-3 equivalence) for 1a1b 4 Inrush current capability Release time (without diode)* 35 A (TV-1 equivalence) for 2a Max. 10 ms (Approx. 8 ms) (at nominal voltage) 7 Mechanical (at 180 cpm) 10 4 Set time* (latching) 5 8 A 250 V AC (resistive) 10 Max. 10 ms (Approx. 8 ms) Expected (at nominal voltage) 5 life (min. 5 A 30 V DC (resistive) 2 10 4 Electrical Reset time* (latching) operations) 4 Max. 10 ms (Approx. 8 ms) 3 A 100 V AC (lamp) 3 10 (at nominal voltage) 4 1 A 100 V AC (lamp) 3 10 Temperature rise Max. 55C with nominal coil voltage (at 60C) and at 8 A switching current Coil (polarized) (at 25C 77F) 5 2 Functional* Min. 196 m/s 20 G Shock Single side stable Nominal operating power Approx. 240 mW resistance 6 2 Destructive* Min. 980 m/s 100 G Latching Nominal set and reset power Approx. 240 mW 2 117.6 m/s 12 G , 10 to 55 Hz 1 This value can change due to the switching frequency, environmental conditions, 7 Functional* and desired reliability level, therefore it is recommended to check this with the at double amplitude of 2 mm Vibration actual load. resistance 2 176.4 m/s 18 G , 10 to 55 Hz Destructive Remarks at double amplitude of 3 mm * Specications will vary with foreign standards certication ratings. 1 Conditions for operation, Ambient 40C to +60C * Measurement at same location as Initial breakdown voltage section 8 2 transport and storage* temp. 40Fto +140F * Detection current: 10 mA 3 * Wave is standard shock voltage of 1.2 50 s according to JEC-212-1981 (Not freezing and condens- 4 Humidity 5 to 85% R.H. * Excluding contact bounce time ing at low temperature) 5 * Half-wave pulse of sine wave: 11ms detection time: 10 s Unit weight Approx. 10g .353 oz 6 * Half-wave pulse of sine wave: 6ms 7 * Detection time: 10 s 8 * Refer to 6. Conditions for operation, transport and storage mentioned in AMBIENT ENVIRONMENT TYPICAL APPLICATIONS Sequence controllers, facsimiles, telephone controls, remote control security devices and security equipment. ORDERING INFORMATION Ex. ST 1 L2 DC48V Contact arrangement Operating function Coil voltage 1: 1 Form A 1 Form B Nil: Single side stable DC 3, 5, 6, 9, 12, 2: 2 Form A L2: 2 coil latching 24, 48 V (Notes) 1. Standard packing: Carton 50 pcs., Case 500 pcs. 2. 1 coil latching type available. All Rights Reserved COPYRIGHT Matsushita Electric Works, Ltd. ST TYPES AND COIL DATA (at 20C 68F) Single side stable Part No. Nominal Drop-out Maximum Nominal Pick-up voltage, Coil resistance, voltage, voltage, allowable voltage, operating 1 Form A V DC (max.) (10%) 2 Form A V DC V DC (min.) V DC (60C 140F) current, mA 1 Form B ST1-DC3V ST2-DC3V 3 2.4 0.3 4.5 38 78.9 ST1-DC5V ST2-DC5V 5 4.0 0.5 7.5 105 47.6 ST1-DC6V ST2-DC6V 6 4.8 0.6 9.0 150 40 ST1-DC9V ST2-DC9V 9 7.2 0.9 13.5 360 25 ST1-DC12V ST2-DC12V 12 9.6 1.2 18.0 600 20 ST1-DC24V ST2-DC24V 24 19.2 2.4 36.0 2,400 10 ST1-DC48V ST2-DC48V 48 38.4 4.8 72.0 9,000 5.3 2 coil latching Part No. Nominal Set and reset Nominal Maximum allowable voltage, Coil resistance, voltage, voltage, operating 1 Form A V DC (60C 140F) (10%) 2 Form A V DC V DC (max.) current, mA 1 Form B ST1-L2-DC3V ST2-L2-DC3V 3 2.4 4.5 40 75 ST1-L2-DC5V ST2-L2-DC5V 5 4.0 7.5 110 45.5 ST1-L2-DC6V ST2-L2-DC6V 6 4.8 9.0 155 38.7 ST1-L2-DC9V ST2-L2-DC9V 9 7.2 13.5 360 25 ST1-L2-DC12V ST2-L2-DC12V 12 9.6 18.0 640 18.8 ST1-L2-DC24V ST2-L2-DC24V 24 19.2 36.0 2,400 10 ST1-L2-DC48V ST2-L2-DC48V 48 38.4 72.0 10,200 4.7 mm inch DIMENSIONS PC board pattern Schematic (Bottom view) 31.0 14 1.220 .551 (Copper-side view) Single side stable 1a1b 2a 2 coil latching types only. 11.0 14 14 .433 + + 0.3 .012 3.5 .138 7.62 10.16 7.62 10.16 8 7 6 5 8 7 6 5 .300 .400 .300 .400 2.54 .100 (Deenergized condition) 8-DIA. 1.4 .055 1 2 3 4 2.54 2 coil latching .100 85 1a1b 2a 76 Tolerance: 0.1 .004 12 34 12 34 + + + + General tolerance: 0.2 .008 8 7 6 5 8 7 6 5 (Reset condition) Diagram shows the reset Diagram shows the reset position when terminals 3 and position when terminals 3 and 4 are energized. Energize 4 are energized. Energize terminals 1 and 2 to transfer terminals 1 and 2 to transfer contacts. contacts. REFERENCE DATA 1. Max. switching power 2. Life curve 3. Coil temperature rise Sample: ST1-DC24V 60 1,000 AC resistive load 10 50 500 Contact current 5 AC inductive load 40 8 A 200 5 A (cos =0.4) AC 250 V, 125 V resistive load 0 A 2 30 100 1 AC 250 V, 125 V inductive load 50 DC resistive load (Pf = 0.4) 20 0.5 20 10 10 0.2 0.1 0 10 20 50 100 200 300 12 3 4 567 89 10 0.1 0.2 0.3 0.4 0.5 Voltage, V Current, A Coil operating power, W All Rights Reserved COPYRIGHT Matsushita Electric Works, Ltd. Current, A Life, 10 k operations Temperature rise, C