JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD TO-220 BK Plastic-Encapsulate T hyristors 3Q TRIACs CT312B MAIN CHARACTERISTICS TO-220BK I 1 2A T(RMS) CT312B-600S/C/B 600V V /V DRM RRM CT312B-800S/C/B 800V 1.MAIN TERMINAL 1 V 1.55V TM 2.MAIN TERMINAL 2 3.GATE FEATURES NPNPN 5-layer Structure TRIACs Mesa Glass Passivated Technology Multi Layers Metal Electrodes High Junction Temperature Good Commutation Performance High dV/dt and dI/dt APPLICATIONS MARKING Heater Control CT312B:Series Code Motor Speed Controller 600S:Depends on VDRM Mixer and IGT XXX:Internal Code ABSOLUTE RATINGS ( T =25 unless otherwise noted ) a Symbol Parameter Test condition Value Unit CT312B-600S /C/B 600 Repetitive peak off- V V / V DRM RRM Tj=25 state voltage V CT312B-800S /C /B 800 I RMS on-state current 12 A T(RMS) TO- 220BK(T 110)Fig. 1,2 C Non repetitive surge Full sine waveT (init)=25, j I 120 A TSM peak on-state current tp=20ms Fig. 3,5 2 2 2 I t I t value tp=10ms 78 A s Critical rate of rise of I =2*I , tr10ns, F=120H , G GT Z -- 50 dI /dt A/s T T =125 on-state current j n/a I Peak gate current 4 A GM tp=20s, T =125 j P Average gate power T =125 1 W G(AV) j -40~+150 T Storage temperature STG Operating junction T j -40~+125 temperature www.jscj-elec.com 1 Rev. - 1.0ELECTRICAL CHARACTERISTICS (T =25 unless otherwise specified) a Value Symbol Parameter Test condition Unit S C B V =12V, D 10 35 50 -- I Gate trigger current mA GT R =30, L n/a n/a n/a T =25, j V Gate trigger voltage -- 1.3 V GT Fig. 6 Non-triggering gate V =V , RL =3.3k, D DRM V 0.2 V GD T =125 j voltage I Holding current 15 35 50 mA H I =500mA, Fig. 6 T - 25 50 mA 70 I =1.2IGT, G Latching current I L Fig. 6 30 60 mA 80 V =67%V , Gate Critical rate of rise D DRM dV /dt 40 500 1000 V/s D Open T =125 of off-state j I =17Atp=380s , TM V 1.55 V TM On-state Voltage Fig. 4 V =V /V , T =25 5 5 5 A D DRM RRM j Repetitive peak off- I / I DRM RRM state current V =V /V ,T =125 1 1 1 mA D DRM RRM j THERMAL RESISTANCES Symbol Parameter Value Unit Rth (j-c) Junction to case (AC) 1.4 /W TO-220BK Rth (j-a) Junction to ambient TO-220BK 60 /W PART NUMBER CT 3 C 12 B -600 BIGT1-350mA TRIACs CI 35mA GT1-3 S I 10mA GT1-3 3 Quadrant Repetitive peak off-state voltage 600 600V I =12A T(RMS) 800 800V Package Type www.jscj-elec.com 2 Rev. - 1.0