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| Model No. LY252 Photocoupler Features SOP package 4 Pin type in miniature design (4.4x4.3x2.0mm / .173x.169x.083inch) High Repetitive Peak Off-State Voltage VDRM=400V min. 1500Vrms Input/Output isolation Tape & Reel version available Applications Motor Controls E.M. Contactors Lighting Controls Temperature Controls Solid State Relays Solenoid/ Valve Controls Letex Technology Corp. Model No. LY252 Photocoupler Specifications Part Name: LY252 Absolute Maximum Ratings (Ambient Temperature: 25) Item Continuous LED Current Peak LED Current LED Reverse Voltage Input Power Dissipation Off-State Output Terminal Voltage Symbol IF IFP VR PD VDRM ITSM IPeak Pout PT Viso Topr Tstg Tsol Value 50 1000 6 70 400 1 0.6 300 330 1500 -40 to +100 -50 to +120 260 Units mA mA V mW V A A mW mW Vrm Note f=100Hz, duty=1% Input Output Peak Repetitive Surge Current Peak Load Current Output Power Dissipation PW=100us, 120pps 100ms(1 pulse) Total Power Dissipation I/O Breakdown Voltage Operating Temperature Storage Temperature Pin Soldering Temperature RH=60%, 1min 10 sec max. Electrical Specifications (Ambient Temperature: 25) Item Input LED Forward Voltage Reverse Current Peak Blocking Current, Either Direction Symbol VF IR IDRM1 VTM dv/dt MIN. TYP. 1.2 0.05 MAX. 1.4 10 500 3.0 Unit s V A nA V V/s Conditions IF=10mA VR=6V VDRM=400V Output Peak On-State Voltage, Either Direction Circuit rate of Rise of Off-State Voltage LED Trigger Current, Current Required to Latch Output, Either Direction ITM=100mA Peak 600 1500 17 400 8 20 15 IFT IH Ton Main Terminal mA Voltage= 3V A Vp=9V,IF=20mA, s RL=100 IF=Rated IFT, Coupled Holding Current, Either Direction Turn-On Time Zero Crossing Inhibit Voltage VINH 5 20 MT1-MT2 Voltage ms above which device will not trigger. Leakage in Inhibited State IDRM2 500 IF=Rated IFT, Rated A VDRM, Off State Letex Technology Corp. Model No. LY252 Outline Dimensions 4 3 1 2 Unit : mm inch Tolerance: 0.1 .004 Schematic 4 3 ZERO CROSSING CIRCUIT 1 2 1. 2. 3. 4. LED Anode LED Cathode Main Terminal Main Terminal Letex Technology Corp. Model No. LY252 Reference Data Forward current Vs. Ambient temperature 60 On-state current Vs. Ambient temperature 10 Minimum trigger current Vs. Ambient temperature VP = 6V RL = 100 8 0.10 Forward current (mA) 40 On-state current (A) MInimum trigger current (mA) 0 25 50 75 100 125 50 6 30 0.07 4 20 0.05 10 2 0 -30 0 25 50 75 100 125 0 -25 0 20 40 60 80 100 Ambient temperature () Ambient temperature () Ambient temperature () Forward current Vs. Forward voltage 500 200 Ta = 75 50 25 0 25 On-state voltage Vs. Ambient temperature 3.0 ITM =100mA 1.0 Holding current Vs. Ambient temperature VP =6V Forward current (mA) 100 50 20 10 5 2 1 0 0.5 1.0 1.5 On-state voltage (V) 2.2 Forward current (mA) 20 40 60 80 100 2.6 0.1 1.8 1.4 1.0 2.0 2.5 3.0 0.01 20 40 60 80 100 Forward voltage (V) Ambient temperature () Ambient temperature () Turn-on time Vs. Forward current 10 VP = 6V RL = 100 100 On-state current Vs. On-state voltage Repetitive peak off-state current (nA) 0 0.5 1.0 1.5 2.0 2.5 3.0 Repetitive peak off-state current Vs. Ambient temperature 1000 On-state current (mA) 8 80 Turn-on time (s) 100 6 60 4 40 10 2 20 0 10 20 30 40 50 0 1 20 40 60 80 100 Forward current (mA) On-state voltage (V) Ambient temperature () static dv/dt test circuit +400 Vdc RTEST CTEST MERCURY WETTED RELAY R=10k PLUSE INPUT D.U.T x100 SCOPE PROBE APPLIED VOLTAGE WAVEFORM 0 VOLTS Vmax = 400V 252 V dv/dt = RC 0.63 Vmax 378 = RC RC Letex Technology Corp. Model No. LY252 Taping Specifications for Surface Mount Devices Label sticking position Direction of feed Unit : mm Recommended Mounting Pad (Unit: mm / Tolerance: 0.1) Marking (Each photo MOS relay shall be marked with the following information) Brand Name LETEX LY252 321 Part Name Date Code 321 Weeks Monthly Year Note: 1. There shall be leader of 230 mm minimum which may consist of carrier and or cover tape follower by a minimum of 160 mm of carrier tape sealed with cover tape. 2. There shall be a minimum of 160 mm of empty component pockets sealed with cover tape. 3. Devices are pockets in accordance with EIA standard EIA-481-A and specifications given above. 4. Packaging: 2,000pcs per reel, 2 reel per box, 5 boxes per carton. Letex Technology Corp. |
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