S21MT1/S21MT2 S21MT1/S21MT2 Compact 4-pin DIP Type Phototriac Coupler ■ Features ■ Outline Dimensions (Unit : mm) S21MT1 For 200V line Zero-cross circuit built in S21MT2 1 6.5 ± 0.5 3 2 7.62 ± 0.3 4.58 ± 0.5 3.5 ± 0.5 S21MT1 2.7 MIN ■ Application 1. For SSR 3.4 ± 0.5 0.26 ± 0.1 θ θ : 0 to 13˚ 0.5 TYP. Zero-cross circuit not built in 4 4.58 ± 0.5 ■ Model Line-ups Anode mark 2.54 ± 0.25 1.2 ± 0.3 (Package area : 2/3 of conventional model) 2. Popular type 3. Recognized by UL (No. E64380) 0.9 ± 0.3 1. Compact 4-pin DIP type 0.5 ± 0.1 Internal connection diagram S21MT1 S21MT2 4 3 1 2 1 Anode 2 Cathode 3 Anode/ Cathode ■ Absolute Maximum Ratings Input Output Parameter Forward current Reverse voltage *1 RMS ON-state current Peak one cycle surge current Repetitive peak OFF-state voltage *2 Isolation voltage Operating temperature Storage temperature *3 Soldering temperature 4 4 Anode/ Cathode 3 1 2 Zero-cross circuit (Ta=25˚C) Symbol IF VR IT Isurge VDRM Viso Topr Tstg Tsol Rating 50 6 0.1 1.2 (50Hz sine wave) 600 5 000 -30 to+100 -55 to+125 260 (for 10 sec) Unit mA V Arms A V Vrms ˚C ˚C ˚C *1 Decrease in the ambient temperature range of the Absolute Max. Rating : Shown in Figs. 1 and 2. *2 40 to 60% RH, AC for 1 minute *3 For 10 seconds “ In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.” S21MT1/S21MT2 ■ Electro-optical Characteristics Input Output Transfer characteristics (Ta=25˚C) Parameter Forward voltage Reverse current Repetitive peak OFF-state current ON-state voltage Holding current Critical rate of rise of OFF-state voltage Zero-cross voltage S21MT2 Minimum trigger current Insulation resistance S21MT1 Turn-on time S21MT2 Symbol VF IR IDRM VT IH dv/dt VOX IFT RISO ton Conditions IF = 20mA VR = 3V VDRM = Rated IT = 0.05A VD = 6V VDRM = ( 1/ 2 ) • Rated IF = 15mA, Resistance load RL = 100Ω , V D = 6V DC = 500V, 40 to 60% RH VD = 6V, RL = 100Ω , I F = 20mA 120 70 100 60 80 60 40 20 0 - 30 MAX. 1.4 10 1 3.0 3.5 35 10 100 50 Fig. 2 Forward Current vs. Ambient Temperature Forward current IF(mA) RMS ON-state current IT (mArms) Fig. 1 RMS ON-state Current vs. Ambient Temperature MIN. TYP. 1.2 0.1 100 5 x 1010 1 x 1011 - 50 40 30 20 10 0 20 40 60 80 100 Ambient temperature Ta (˚C) ● Please refer to the chapter "Precautions for Use." (Page 78 to 93) 0 -30 0 25 50 75 100 Ambient temperature Ta (˚C) 125 Unit V µA µA V mA V/ µs V mA Ω µs