ST VDE 1a1b/2a 8A polarized power ST RELAYS relays 2.High switching capability 6.Automatic cleaning possible High contact pressure, low contact The sealed design means that these bounce, and forced separation relays can undergo immersion in structure that radically improves automatic washing systems and are resistance to contact welding suitable for automatic soldering. Even (1 Form A 1 Form B type equivalent to in difficult environments, the contacts TV-3). Strong against lamp inductive remain reliable. loads, maximum switching capacity 7.Easy to design PC board patterns has reached 3,040 VA (8A 380V AC). Features 4/10 dual-in-line terminals. 3.High breakdown voltage – Optimal Because the lead spacing has a pitch for control in 250 V power circuits greater than 7.54 mm .297 inch, RoHS compliant High breakdown voltage has been designers can make easy adjustments achieved. Between contacts and coil of with the width of the land size. This, 3,750 Vrms; Surge breakdown voltage along with the large insulation between coil and contact of 6,000 V, distance, simplifies the drawing of PC and between open contacts of 1,200 board patterns. Vrms mean that these relays are 8.To improve soldering efficiency, suitable even for 250 V power circuit preapplication of solder to the control. terminals is recommended. 4.Improved stability 9.Sockets are available. Conforms to all types of safety FEATURES standards. 1.Even with small form factor, Insulating distance of more than 3 mm sensitive enough for direct IC- secured. Complies with Japan driving Electrical Appliance and Material The dimensions of this high-density 4- Safety Law requirements for operating gap balanced armature are 31 mm × 200 V power supply circuits, and 14 mm × 11 mm 1.220 inch × .551 inch conforms with UL, CSA and VDE × .433 inch. Despite this small size, standards. high sensitivity is achieved by a 5.Latching types available mechanism that incorporates high- In addition to single side stable types, efficiency polarized magnetic circuits convenient 2 coil latching types with along with our exclusive spring memory functions are also available. alignment method. With an minimum Moreover, we offer 2 Form A operating power of about 150 mW, specifications which, with double pole nominal operating power of 240 mW, switching for applications such as 250 this relay can be directly driven by V power circuit switching, can enable transistor or chip controllers. safer designs. ORDERING INFORMATION ST F Contact arrangement 1: 1 Form A 1 Form B 2: 2 Form A Operating function Nil:Single side stable L2:2 coil latching Nominal coil voltage DC 3, 5, 6, 9, 12, 24, 48 V Contact material F: AgSnO2 type contact Note:Certified by UL, CSA, VDE and SEV ASCTB210E 201202-T Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/

ST TYPES Single side stable 2 coil latching Contact arrangement Nominal coil voltage Part No. Part No. 3V DC ST1-DC3V-F ST1-L2-DC3V-F 5V DC ST1-DC5V-F ST1-L2-DC5V-F 6V DC ST1-DC6V-F ST1-L2-DC6V-F 1 Form A 1 Form B 9V DC ST1-DC9V-F ST1-L2-DC9V-F 12V DC ST1-DC12V-F ST1-L2-DC12V-F 24V DC ST1-DC24V-F ST1-L2-DC24V-F 48V DC ST1-DC48V-F ST1-L2-DC48V-F 3V DC ST2-DC3V-F ST2-L2-DC3V-F 5V DC ST2-DC5V-F ST2-L2-DC5V-F 6V DC ST2-DC6V-F ST2-L2-DC6V-F 2 Form A 9V DC ST2-DC9V-F ST2-L2-DC9V-F 12V DC ST2-DC12V-F ST2-L2-DC12V-F 24V DC ST2-DC24V-F ST2-L2-DC24V-F 48V DC ST2-DC48V-F ST2-L2-DC48V-F Standard packing: Carton: 50 pcs.; Case: 500 pcs. * For sockets, see page 113. RATING 1. Coil data 1) Single side stable Nominal operating Nominal coil Pick-up voltage Drop-out voltage Coil resistance Nominal operating Max. applied voltage voltage (at 20°C 68°F) (at 20°C 68°F) [±10%] c(autr r2e0n°tC 68°F) [±10%] (at 20°C 68°F) power (at 20°C 68°F) 3V DC 75mA 38Ω 5V DC 47mA 105Ω 6V DC 80%V or less of 10%V or more of 40mA 150Ω 9V DC nominal voltage nominal voltage 25mA 360Ω 240mW 150%V of nominal voltage 12V DC (Initial) (Initial) 20mA 600Ω 24V DC 10mA 2,400Ω 48V DC 4.7mA 9,000Ω 2) 2 coil latching Nominal operating Coil resistance Nominal operating Novmoilntaagl ecoil (aSt e2t0 v°Col t6a8g°eF ) (Raet s2e0t° Cvo 6lt8a°gFe) [±10%] c(autr r2e0n°tC 68°F) [±10%] (at 20°C 68°F) power Ma(xa. ta 2p0p°liCe d6 8vo°Flt)age Set coil Reset coil Set coil Reset coil Set coil Reset coil 3V DC 75mA 75mA 40Ω 40Ω 5V DC 45mA 45mA 110Ω 110Ω 6V DC 80%V or less of 80%V or less of 37.5mA 37.5mA 155Ω 155Ω 9V DC nominal voltage nominal voltage 25mA 25mA 360Ω 360Ω 240mW 240mW 150%V of nominal voltage 12V DC (Initial) (Initial) 18.8mA 18.8mA 640Ω 640Ω 24V DC 10mA 10mA 2,400Ω 2,400Ω 48V DC 4.7mA 4.7mA 10,200Ω 10,200Ω ASCTB210E 201202-T Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/

ST 2. Specifications Characteristics Item Specifications Arrangement 1 Form A 1 Form B, 2 Form A Contact Contact material Au-flashed AgSnO2 type Contact resistance (Initial) Max. 30 mΩ (By voltage drop 6 V DC 1A) Max. switching power (resistive load) 3,040 VA, 150 W Max. switching voltage 380 V AC, 250 V DC Max. switching current 8 A Rating Minimum operating power 150mW (Single side stable, 2 coil latching) Nominal operating power 240mW (Single side stable, 2 coil latching) Min. switching capacity (Reference value)*1 100 mA 5V DC Insulation resistance (Initial) Min. 1,000MΩ (at 500V DC) (at 25°C, 50% relative humidity) Measurement at same location as “Breakdown voltage” section. Between open contacts 1,200 Vrms for 1 min. (Detection current: 10 mA) Breakdown voltage Between contact sets 2,000 Vrms for 1 min. (Detection current: 10 mA) (Initial) Between contact and coil 3,750 Vrms for 1 min. (Detection current: 10 mA) Electrical Surge breakdown voltage (Initial)*2 6,000 V (Between contact and coil) characteristics Operate time [Set time] (at 20°C 68°F) Max. 15 ms [Max. 15 ms] (Nominal coil voltage applied to the coil, excluding contact bounce time.) Release time [Reset time] (at 20°C 68°F) Max. 10 ms [Max. 15 ms] (Nominal coil voltage applied to the coil, excluding contact bounce time.) (without diode) Temperature rise (coil) (at 60°C 140°F) Max. 55°C (By resistive method, nominal voltage applied to the coil; contact carrying current: 8A.) Functional Min. 196 m/s2 (Half-wave pulse of sine wave: 11 ms; detection time: 10µs.) Shock resistance Mechanical Destructive Min. 980 m/s2 (Half-wave pulse of sine wave: 6 ms.) characteristics Functional 10 to 55 Hz at double amplitude of 2 mm (Detection time: 10µs.) Vibration resistance Destructive 10 to 55 Hz at double amplitude of 3 mm Mechanical Min. 107 (at 180 times/min.) Expected life Electrical Min. 105 (8 A 250 V AC resistive) (ON : OFF = 1 s : 5 s) Ambient temperature: –40°C to +60°C –40°F to +140°F; Conditions for operation, transport and storage*3 Conditions Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature) Max. operating speed 30 cps Unit weight Approx. 10g .353 oz Notes:*1.This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load. *2.Wave is standard shock voltage of ±1.2×50µs according to JEC-212-1981 *3.The upper limit of the ambient temperature is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage conditions in NOTES. REFERENCE DATA 1. Max. switching power 2. Coil temperature rise 3. Influence of adjacent mounting 10 100 40 AC resistive load 5 90 30 AC inductive C 80 % Current, A0.215 l(ocaoDldosCϕad= r0e.s4i)stive °Temperature rise, 76540000 Contact current 8A 0A Rated of change, -2110000 PDircokp--uopu vt ovlotaltgaege DC inductive 30 load -20 (L/R=40ms) 20 0.2 10 -30 0 -40 0 20 50 100 200300 600 1000 0.2 0.4 0.6 0.8 1.0 1.2 5 10 15 20 Voltage, V Coil operating power, W Inter-relay distance, mm ASCTB210E 201202-T Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/

ST DIMENSIONS (mm inch) The CAD data of the products with a CAD Data mark can be downloaded from: http://industrial.panasonic.com/ac/e/ CAD Data External dimensions PC board pattern (Bottom view) 31.0 14 2 coil latching 1.220 .551 types only. 11.0 .433 0.3 .012 3.5.138 2.54 .100 7.62 10.16 7.62 10.16 .300 .400 .300 .400 8-1.4 dia. .013.09 0.3.001.62 dia..024 dia. 8-.055 dia. 2.1.5040 Tolerance: ±0.1 ±.004 1 2 3 4 8 7 6 5 0.5 .020 1.0 1.0 .039 .039 General tolerance: ±0.5 ±.020 Schematic (Bottom view) Single side stable 2 coil latching 1 Form A 1 Form B 2 Form A 1 Form A 1 Form B 2 Form A 1 4 1 4 1 2 3 4 1 2 3 4 – + – + – + + – – + + – 8 7 6 5 8 7 6 5 8 7 6 5 8 7 6 5 (Deenergized condition) (Reset condition) SAFETY STANDARDS UL/C-UL (Recognized) CSA (Certified) VDE (Certified) TV rating (UL/CSA) SEV File No. Contact rating File No. Contact rating File No. Contact rating File No. Rating File No. Contact rating E43028 8A 250V AC LR26550 8A 250V AC 1017 8A 250V AC (cosφ=1.0) UL: E43028 98-1 10289 8A 380V AC 1/4HP 125, 250V AC etc. 1/4HP 125, 250V AC 4A 250V AC (cosφ=0.4) CSA: LR26550 — 5A 30V DC 5A 30V DC 5A 30V DC NOTES 1. PC board patterns for 2 coil latching 2. Soldering should be done under the 3. When using, please be aware that types following conditions: the a contact and b contact sides of 1 When applying relays in power supply 1) Form A and 1 Form B types may go on operation circuits for finished products 250°C 482°F within 10s simultaneously at operate time and regulated by the Electrical Appliance and 300°C 572°F within 5s release time. Material Safety Law, use the pattern 350°C 662°F within 3s shown below. 2) For automatic cleaning, the boiling method is recommended. Avoid ultrasonic cleaning which subjects the relays to high frequency vibrations, which may cause the contacts to stick. It is recommended that a fluorinated Terminal No. 1 2 3 4 hydrocarbon or other alcoholic solvents be used. For Cautions for Use. ASCTB210E 201202-T Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: P anasonic: ST2-DC12V ST2-DC48V ST1-DC48V ST2-L2-DC5V ST1-DC5V ST2-DC5V ST1-DC12V ST1-DC24V ST2- DC24V ST-PS ST-SS ST2-DC12V-F ST1-DC12V-F ST1-L2-DC12V-F ST2-DC5V-F ST1-DC24V-F ST1-L2-DC5V- F ST2-DC24V-F ST1-DC5V-F ST1-L2-DC24V-F ST2-L2-DC5V-F ST1-DC48V-F ST1-DC3V-F ST2-DC3V-F ST2- DC48V-F ST2-DC9V-F ST2-L2-DC12V-F ST1-DC3V ST1-DC6V ST1-DC9V ST1-L2-DC12V ST1-L2-DC24V ST1- L2-DC3V ST1-L2-DC48V ST1-L2-DC5V ST1-L2-DC6V ST1-L2-DC9V ST2-DC3V ST2-DC6V ST2-DC9V ST2-L2- DC12V ST2-L2-DC24V ST2-L2-DC3V ST2-L2-DC48V ST2-L2-DC6V ST2-L2-DC9V ST2-L-DC12V ST2-L-DC3V ST2-L-DC5V ST2-L2-DC48V-F ST1-L2-DC3V-F ST1-L2-DC9V-F ST1-L2-DC6V-F ST1-L2-DC48V-F ST2-L2- DC24V-F