Thyristor Semiconductor Products Page 149 Thyristor

2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/14/14 Teccor brand Thyristors 8 Amp Sensitive, Standard & Alternistor (High Commutation) Triacs Static Characteristics Symbol Test Conditions Value Unit V TM I TM = 11.3A t p = 380 s MAX. 1.60 V I DRM I RRM V DRM = V RRM Lxx08xy T J = 25C 400 - 600V MAX. 10 A T J = 110C 400 - 600V 0.5 mA Qxx08xy T J = 25C 400 - 1000V 20 A T J = 125C 400 - 800V 2 mA T J = 100C 1000V 3 Qxx08xHy T J = 25C 400 - 800V 10 A 1000V 20 T J = 125C 400 - 800V 2 mA T J = 100C 1000V 3 Thermal Resistances Symbol Parameter Value Unit R (J-C) Junction to case (AC) L/Qxx08Ryy / L/Qxx08Nyy 1.5 C/W L/Qxx08Lyy 2.8 L/Qxx08Vyy 2.1 R (J-A) Junction to ambient L/Qxx08Ryy 45 C/W L/Qxx08Lyy 50 L/Qxx08Vyy 64 Note: xx = voltage, x = package, y = sensitivity, yy = type & sensitivity Figure 2: Normalized DC Gate Trigger Current for All Quadrants vs. Junction Temperature Junction Temperature (T J )- C -65 -40 -15 10 35 60 85 110 125 0.0 Ratio of I GT I GT (T J = 25C) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 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 (+) + -

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