Thyristor Semiconductor Products Page 177 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 8: On-State Current vs. On-State Voltage (Typical) 0 2 4 6 8 10 12 14 16 18 20 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 Positive or Negative Instantaneous On-State Voltage (V T ) - Volts Positive or Negative Instantaneous On-State Current (I T ) - AMPS T = 25C Figure 7: Maximum Allowable Ambient Temperature vs. On-State Current 20 30 40 50 60 70 80 90 100 110 120 0. 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 RMS On-State Current [I T(RMS) ] - AMPS Max Allowable Ambient Temperature (T A ) - C CURRENT WAVEFORM: Sinusoidal LOAD: Resistive or Inductive CONDUCTION ANGLE: 360 FREE AIR RATING - No HEAT SINK 1 10 100 1000 10 1 Surge Current Duration - Full Cycles Peak Surge (Non-Repetitive On-State Current (I TSM ) - AMPS 100 Figure 9: Surge Peak On-State Current vs. Number of Cycles Supply Frequency: 60Hz Sinusoidal Load: Resistive RMS On-State Current [I T(RMS) : Maximum] Rated Value at Specific 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.

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