Thyristor Semiconductor Products Page 176 Thyristor

2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/14/14 Teccor brand Thyristors 12 Amp Alternistor (High Communitation) Triacs Figure 2: Normalized DC Gate Trigger Current for All Quadrants vs. Junction Temperature 0.0 1.0 2.0 3.0 4.0 Junction Temperature (T J ) - C Ratio of I GT / I GT (T J = 25 C) -65 -40 -15 10 35 60 85 110 Figure 1: Definition of Quadrants Note: Alternistors will not operate in QIV MT2 POSITIVE (Positive Half Cycle) MT2 NEGATIVE (Negative Half Cycle) MT1 MT2 + I GT REF QII MT1 I GT GATE MT2 REF MT1 MT2 REF MT1 MT2 REF QI QIV QIII ALL POLARITIES ARE REFERENCED TO MT1 (-) I GT GATE (+) I GT - I GT GATE (-) I GT GATE (+) + - Figure 3: Normalized DC Holding Current vs. Junction Temperature 0.0 1.0 2.0 3.0 4.0 -65 -40 -15 10 35 60 85 110 Junction Temperature (T J ) - C Ratio of I H / I H (T J = 25C) Figure 4: Normalized DC Gate Trigger Voltage for All Quadrants vs. Junction Temperature 0.0 0.5 1.0 1.5 2.0 -65 -40 -15 10 35 60 85 110 Junction Temperature (T J ) - C Ratio of V GT / V GT (T J = 25C) 0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14 RMS On-State Current [I T(RMS) ] -- Amps Average On-State Power Dissipation [P D(AV) ] -- Watts CURRENT WAVEFORM: Sinusoidal LOAD: Resistive or Inductive CONDUCTION ANGLE: 360 Figure 5: Power Dissipation (Typical) vs. RMS On-State Current Figure 6: Maximum Allowable Case Temperature vs. On-State Current 60 70 80 90 100 110 120 130 0 2 4 6 8 10 12 14 RMS On-State Current [I T(RMS) ] - Amps Maximum Allowable Case Temperature (T C ) - C CURRENT WAVEFORM: Sinusoidal LOAD: Resistive or Inductive CONDUCTION ANGLE: 360 Qxx12RH5 Qxx12NH5 Qxx12LH5

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