3. Terminal Shape P : PCB terminals FS: Surface-mounting terminals, short FL : Surface-mounting terminals, long

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1 Surfacemounting Relay Ultracompact and Slim DPDT Relay Suitable for highdensity mounting.(.7 mm (W). mm (L) 9 mm (H)). Dielectric strength of, VAC and an impulse withstand voltage of 2, V for 2 μs (conforms to Telcordia specifications (formerly Bellcore)). Conforms to FCC Part 8 (, V, μs). Singlewinding latching models to save energy. Standard models conforms to UL/CSA standards. RoHS Compliant Model Number Legend Application Relay function None : Singleside stable relay U : Singlewinding latching relay 2. Number of contact poles/ Contact form 2: 2pole/DPDT (2c) 3. Terminal Shape P : PCB terminals FS: Surfacemounting terminals, short FL : Surfacemounting terminals, long 4. Special function : Improved product for soldering heat resistance Communication equipment Test & measurement equipment Office automation equipment Audiovisual products Ordering Information Relay Function Singleside stable Singlewinding latching Packing Tube Packing Tape Packing Protective Structure Contact form Model Fully sealed DPDT (2c) 2P 2FS 2FL U2P U2FS U2FL Rated coil voltage Minimun packing unit Note. When ordering, add the rated coil voltage to the model number. Example: 2P Rated coil voltage Note 2. When ordering tape packing, add TR" to the model number. Be sure since TR" is not part of the relay model number, it is not marked on the relay case. Model Rated coil voltage 4. VDC 4. VDC VDC VDC 2 VDC 2 VDC 24 VDC 24 VDC 4. VDC 4. VDC VDC 2FSTR 2FLTR VDC 2 VDC 2 VDC 24 VDC pcs/tube 24 VDC 4. VDC 4. VDC VDC VDC 2 VDC 2 VDC 24 VDC 24 VDC 4. VDC U2FSTR 4. VDC VDC U2FLTR VDC 2 VDC 2 VDC Minimum packing unit 4 pcs/reel Minimum ordering unit (tape packing) 8 pcs/ 2 reels

2 Ratings Coil: Singleside Stable Relays (2P, 2FS, 2FL) Rated voltage Note. The rated current and coil resistance are measured at a coil temperature of 23 C with a tolerance of ±%. Note 2. The operating characteristics are measured at a coil temperature of 23 C. Note 3. The maximum voltage is the highest voltage that can be imposed on the Relay coil instantaneously. Coil: Singlewinding Latching Relays (U2P, U2FS, U2FL) Rated voltage Surfacemounting Relay VDC % 7% % Approx. VDC VDC 9.,329.2 Note. The rated current and coil resistance are measured at a coil temperature of 23 C with a tolerance of ±%. Note 2. The operating characteristics are measured at a coil temperature of 23 C. Note 3. The maximum voltage is the highest voltage that can be imposed on the Relay coil instantaneously. Contacts Item Characteristics Rated current (ma) Coil resistance (Ω) Must operate voltage Must release voltage % of rated voltage Max. voltage Power consumption (mw) VDC VDC % % % Approx. 4 2 VDC VDC 9.2 2,. Approx. 23 Item Rated current (ma) Item Load Resistive load Contact type Bifurcated crossbar Contact material Ag (AuAlloy) Rated load.3 A at 2 VAC, A at Rated carry current A Max. switching voltage 2 VAC, VDC Max. switching current A Coil resistance (Ω) Must set voltage Must reset voltage % of rated voltage Max. voltage Power consumption (mw) Classification Singleside stable Singlewinding latching Item Model 2P, 2FS, 2FL U2P, U2FS, U2FL Contact resistance * mω Operating (set) time 3 ms Release (reset) time 3 ms Minimum set/reset pulse width ms Insulation resistance *2, MΩ (at VDC) Between coil and contacts, VAC, / Hz for min Dielectric strength Between contacts of different polarity, VAC, / Hz for min Between contacts of the same polarity 7 VAC, / Hz for min Between coil and contacts 2, VAC, 2 μs Impulse withstand Between contacts of different polarity voltage Between contacts of the same polarity, VAC, μs Vibration resistance Destruction to to Hz 2. mm single amplitude ( mm double amplitude) Malfunction to to Hz. mm single amplitude (3.3 mm double amplitude) Shock resistance Destruction, m/s 2 Malfunction 7 m/s 2 Durability Mechanical,, operations (at 3, operations/hour) Electrical, operations (with a rated load at,8 operations/hour) Failure rate (P level) (reference value) *3 μa at mvdc Ambient operating temperature 4 to 8 C (with no icing or condensation) Ambient operating humidity % to 8% Weight Approx.. g Note: The above values are initial values. *. The contact resistance was measured with ma at VDC with a fallofpotential method. *2. The insulation resistance was measured with a VDC Megger Tester applied to the same parts as those for checking the dielectric strength. *3. This value was measured at a switching frequency of 2 operations/min and the criterion of contact resistance is Ω. This value may vary depending on the operating frequency, operating conditions, expected reliability level of the relay, etc. Always doublecheck relay suitability under actual load conditions. 2

3 Engineering Data Surfacemounting Relay Maximum Switching Capacity Durability Ambient Temperature vs. Maximum Voltage Switching current (A) DC resistive load AC resistive load Durability (x 4 operations), VAC resistive load Ambient temperature: 23 C Switching frequency:,8 operations/hour resistive load Ambient temperature: 23 C Switching frequency:,8 operations/hour Maximum voltage (%) , Ambient Temperature vs. Switching Current Switching voltage Switching current (A) Ambient Temperature vs. Must Operate or Must Release Voltage Ambient temperature ( C) Note: Maximum voltage is the maximum voltage that can be applied to the Relay coil. Shock Malfunction Switching current (A) Ambient temperature ( C) Electrical Durability (with Operate and Release Voltage) * Change rate on the basis of rated voltage (%) Electrical Durability (Contact resistance) * Maximum estimated value avg. 4 3 avg. 2 Operating voltage Release voltage Ambient temperature ( C) X,, Z' Shock directions X X' Z Z' 2 4 8, ', Energized 8 Deenergized 4 2 ' Test Conditions: Shock is applied in ±X, ±, and ±Z directions three times each with and without energizing the Relays to check the number of contact malfunctions. Contact Reliability Test (Contact resistance) *, *2 Z,, X' Unit: m/s 2 Sample: 2P Number of Relays: pcs On the basis of rated voltage (%) Sample: 2P Number of Relays: pcs Test conditions: A resistive load at with an operation rate of % Switching frequency:,8 operations/hour Release voltage Contact resistance (mω), 3 3 Sample: 2P Number of Relays: pcs Test conditions: A resistive load at with an operation rate of % Switching frequency:,8 operations/hour Contact resistance NO contact NC contact Contact resistance (mω), 3 3 Sample: 2P Number of Relays: pcs Test conditions: μa resistive load at m VDC with an operation rate of % Switching frequency: 7,2 operations/hour Contact resistance NO contact NC contact..., Operating frequency (x 3 operations)..., Operating frequency (x 3 operations)..., Operating frequency (x operations) Mutual Magnetic Interference Mutual Magnetic Interference *. The tests were conducted at an ambient Sample Not energized Sample Energized Change rate on the basis of initial value (%) Change rate on the basis of initial value (%) Initial stage Initial stage Installed in flush configuration Average value Installed in flush configuration Average value Must operate voltage Must release voltage Sample Sample Not energized Energized Change rate on the basis of initial value (%) Change rate on the basis of initial value (%) Initial stage Installed in flush configuration Average value Initial Installed in flush stage configuration Average value Must operate voltage Must release voltage temperature of 23 C. *2. The contact resistance data are periodically measured reference values and are not values from each monitoring operation. Contact resistance values will vary according to the switching frequency and operating environment, so be sure to check operation under the actual operating conditions before use. 3

4 Surfacemounting Relay Change rate on the basis of initial value (%) External Magnetic Interference S N (Average value) Sample: 2P 3 Number of Relays: pcs Release voltage, ,2 External magnetic field (A/m) Highfrequency Characteristics Highfrequency (Isolation) *, *2 Isolation (db) poles (Average value (initial)) pole 9, Frequency (MHz) Change rate on the basis of initial value (%) S N (Average value) Sample: 2P 3 Number of Relays: pcs Release voltage, ,2 External magnetic field (A/m) Characteristics Highfrequency (Insertion Loss) *, *2 Insertion Loss (db).. 2 (Average value (initial)) pole 2poles 2., Frequency (MHz) Change rate on the basis of initial value (%) S N (Average value) Sample: 2P 3 Number of Relays: pcs Release voltage, ,2 External magnetic field (A/m) Characteristics (Return Loss, V.SWR) *, *2 Return loss (db) pole return loss pole return loss 2pole V.SWR pole V.SWR (Average value (initial)) 3. 7, Frequency (MHz) V.SWR Must Operate and Must Release Distribution of Bounce Time * Vibration Resistance Time Distribution * Number of contacts Sample: 2P Number of Relays: 3 pcs Operate time Release time Time (ms) Number of contacts Operate bounce time Release bounce time Sample: 2P Number of Relays: 3 pcs Time (ms) 4.. Initial *. The tests were conducted at an ambient temperature of 23 C. *2. Highfrequency characteristics depend on the PCB to which the Relay is mounted. Always check these characteristics, including endurance, in the actual machine before use. Change rate on the basis of rated value (%) Release voltage After 4

5 Dimensions Surfacemounting Relay (Unit: mm) PCB Terminals 2P U2P..7 PCB Mounting Holes (BOTTOM VIEW) Tolerance ±. mm Terminal Arrangement/ Internal Connections (BOTTOM VIEW) 2P 9 7. Eight,.8dia. holes (.) 7. Note: Each value has a tolerance of ±.3 mm. (.2) 8 7 U2P S R 8 7 Note:Check carefully the coil polarity of the Relay. Surfacemounting Terminals (Short) 2FS U2FS..7 Mounting Dimensions (TOP VIEW) Tolerance ±. mm Terminal Arrangement/ Internal Connections (TOP VIEW) 2FS (.) Note. Each value has a tolerance of ±.3 mm. Note 2. The coplanarity of the terminals is. mm.8 U2FS 8 7 S R Note:Check carefully the coil polarity of the Relay. Surfacemounting Terminals (Long) 2FL U2FL..7 Mounting Dimensions (TOP VIEW) Tolerance ±. mm 7. Terminal Arrangement/ Internal Connections (TOP VIEW) 2FL (.) Note. Each value has a tolerance of ±.3 mm. Note 2. The coplanarity of the terminals is. mm.8 U2FL 8 7 S R Note:Check carefully the coil polarity of the Relay.

6 Tube Packing and Tape Packing Surfacemounting Relay () Tube Packing Relays in tube packing are arranged so that the orientation mark of each Relay is on the left side. Always confirm that the Relays are in the correct orientation when mounting the Relays to the PCBs. 2. Reel Dimensions 2.±. 29.± 2±. 3±.2 dia. 2±. dia Stopper (gray) Orientation of Relays Stopper (green) A 33 8 R Enlarged View of Section A Tube length: mm (stopper not included) No. of Relays per tube: pcs (2) Tape Packing (Surfacemounting Terminal Relays) When ordering Relays in tape packing, add the prefix TR to the model number, otherwise the Relays in tube packing will be provided. Relays per reel: 4 pcs Minimum ordering unit: 2 reels (8 pcs). Direction of Relay Insertion Top tape (cover tape) Pulling Direction Pulling direction 24±.2 3. Carrier Tape Dimensions 2FS, U2FS, 2FL, U2FL ±. A 2±. ±. 4±. A 4 ± 9±. B B. +. dia. AA Cross Section.7±..8±. 8.4±..4±..±..3±..±. ± BB Cross Section 2.2±. Carrier tape Embossed tape ±. 8.3±. Recommended Soldering Method IRS Method (for Surfacemounting Terminal Relays) () IRS Method (Mounting Solder: Lead) Temperature ( C) 22 to 24 8 to 2 Soldering The thickness of cream solder to be applied should be between and 2 μm on OMRON's recommended PCB pattern. In order to perform correct soldering, it is recommended that the correct soldering conditions be maintained as shown below on the lefthand side. Correct Soldering Incorrect Soldering Relay Terminal Preheating Heel fillet is formed Land PCB 9 to 2 2 to 3 Time (s) (The temperature profile indicates the temperature on the circuit board.) (2) IRS Method (Mounting Solder: Leadfree) Solder Insufficient amount of solder Visually check that the Relay is properly soldered. Excessive amount of solder Temperature ( C) 2 23 Uppwe surface of case (peak): 2 C Soldering 8 Preheating Relay terminal section 2 3 Time (s) (The temperature profile indicates the temperature on the PCB.)

7 Approved Standards Surfacemounting Relay UL Recognized: UL9 (File No. E4) CSA Certified: C22.2 No. 9 (File No. LR3928) Contact form Coil rating Contact rating DPDT (2c) 2P, 2FS, 2FL: 3 to 24 VDC U2P, 2FS, 2FL: 3 to 24 VDC A, at 4 C. A, VDC at 4 C.3 A, 2 VAC at 4 C Number of test operations, Precautions Please refer to PCB Relays Common Precautions for correct use. Correct Use Long Term Current Carrying Under a longterm current carrying without switching, the insulation resistance of the coil goes down gradually due to the heat generated by the coil itself. Furthermore, the contact resistance of the Relay will gradually become unstable due to the generation of film on the contact surfaces. A Latching Relay can be used to prevent these problems. When using a singleside stable relay, the design of the failsafe circuit provides protection against contact failure and open coils. Handling of Surfacemounting Relays Use the Relay as soon as possible after opening the moistureproof package. If the Relay is left for a long time after opening the moistureproof package, the appearance may suffer and seal failure may occur after the solder mounting process. To store the Relay after opening the moistureproof package, place it into the original package and sealed the package with adhesive tape. When washing the product after soldering the Relay to a PCB, use a waterbased solvent or alcoholbased solvent, and keep the solvent temperature to less than 4 C. Do not put the relay in a cold cleaning bath immediately after soldering. Claw Securing Force During Automatic Insertion During automatic insertion of Relays, make sure to set the securing force of the claws to the following values so that the Relay characteristics will be maintained. A Direction A: 4.9 N Direction B: 9.8 N Direction C: 9.8 N Secure the claws to the area indicated by shading. C Environmental Conditions During Operation, Storage, and Transportation Protect the Relays from direct sunlight and keep the Relays under normal temperature, humidity, and pressure. B Mounting Latching Relays Make sure that the vibration or shock that is generated from other devices, such as Relays in operation, on the same panel and imposed on the Latching Relays does not exceed the rated value, otherwise the Latching Relays that have been set may be reset or vice versa. The Latching Relays are reset before shipping. If excessive vibration or shock is imposed, however, the Latching Relays may be set accidentally. Be sure to apply a reset signal before use. Maximum Allowable Voltage The maximum voltage of the coil can be obtained from the coil temperature increase and the heatresisting temperature of coil insulating sheath material. (Exceeding the heatresisting temperature may result in burning or shortcircuiting.) The maximum voltage also involves important restrictions which include the following: Must not cause thermal changes or deterioration of the insulating material. Must not cause damage to other control devices. Must not cause any harmful effect on people. Must not cause fire. Therefore, be sure not to exceed the maximum voltage specified in the catalog. As a rule, the rated voltage must be applied to the coil. A voltage exceeding the rated value, however, can be applied to the coil provided that the voltage is less than the maximum voltage. It must be noted that continuous voltage application to the coil will cause a coil temperature increase thus affecting characteristics such as electrical life and resulting in the deterioration of coil insulation. Coating Relays mounted on PCBs may be coated or washed. Do not apply silicone coating or detergent containing silicone, otherwise the silicone coating or detergent may remain on the surface of the Relays. Other Handling Please don t use the relay if it suffered the dropping shock. Because there is a possibility of something damage for initial performance. 7

8 Surfacemounting Relay Application examples provided in this document are for reference only. In actual applications, confirm equipment functions and safety before using the product. Consult your OMRON representative before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems or equipment that may have a serious influence on lives and property if used improperly. Make sure that the ratings and performance characteristics of the product provide a margin of safety for the system or equipment, and be sure to provide the system or equipment with double safety mechanisms. OMRON Corporation Electronic and Mechanical Components Company Contact: Cat. No. K2E4 24(27)(O) 8 Note: Do not use this document to operate the Unit.