Thyristor Semiconductor Products Page 151 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 Surge Current Duration- Full Cycles 1 Peak Surge (Non-Repetitive) On-State Current (I TSM ) - Amps 1 10 100 1000 10 100 L/Qxx08Ryy L/Qxx08Lyy L/Qxx08Nyy L/Qxx08Vyy L/Qxx08Dyy Figure 10: Surge Peak On-State Current vs. Number of Cycles SUPPLY FREQUENCY: 60 Hz Sinusoidal LOAD: Resistive RMS On-State Current: [I T(RMS) ]: Maximum Rated Value at Specified Case Temperature Notes: 1. Gate control may be lost during and immediately following surge current interval. 2. Overload may not be repeated until junction temperature has returned to steady-state rated value. Figure 9: Maximum Allowable Ambient Temperature vs. On-State Current RMS On-State Current (I T(RMS) ) - Amps 20 40 60 80 100 120 Maximum Allowable Ambient Temperature (T A ) - C 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 CURRENT WAVEFORM: Sinusoidal LOAD: Resistive or Inductive CONDUCTION ANGLE: 360 FREE AIR RATING - NO HEATSINK L/Qxx08Lyy L/Qxx08Ryy L/Qxx08Vyy Note: xx = voltage, x = package, y = sensitivity, yy = type & sensitivity

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