Thyristor Semiconductor Products Page 201 Thyristor

2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/14/14 Teccor brand Thyristors 25 Amp Standard & Alternistor (High Commutation) Triacs Figure 5: Power Dissipation (Typical) vs. RMS On-State Current Figure 6: Maximum Allowable Case Temperature vs. RMS On-State Current 0 20 40 60 80 100 120 0.0 0.5 1.0 1.5 2.0 2.5 RMS On-State Current [I T(RMS) ] -- Amps Maximum Allowable Ambient Temperature (T A ) --C CURRENT WAVEFORM: Sinusoidal LOAD: Resistive or Inductive CONDUCTION ANGLE: 360 FREE AIR RATING Figure 7: Maximum Allowable Ambient Temperature vs. RMS On-State Current (TO-220 packages only) 10 100 1000 1 10 100 1000 Surge Current Duration -- Full Cycles Peak Surge (Non-repetitive) On-state Current (I TSM ) - Amps Qxx25R5 Qxx25N5 Qxx25P5/Qxx25R6 Qxx25L6/Qxx25NH6 Qxx25K6/Qxx25J6 Qxx25RH5/Qxx25LH5 Qxx25NH5 Figure 8: 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. 0 5 10 15 20 25 30 35 0 5 10 15 20 25 RMS On-State Current [I T(RMS) ] -- Amps Average On-State Power Dissipation [P D(AV) ] -- Watts Qxx25R5 Qxx25N5 CURRENT WAVEFORM: Sinusoidal LOAD: Resistive or Inductive CONDUCTION ANGLE: 360 Qxx25P5/Qxx25R6 Qxx25L6/Qxx25NH6 Qxx25K6/Qxx25J6 Qxx25RH5/Qxx25LH5 Qxx25NH5 50 60 70 80 90 100 110 120 130 RMS On-State Current [I T(RMS) ] - Amps Maximum Allowable Case Temperature (T C ) - C 0 5 10 15 20 25 30 CURRENT WAVEFORM: Sinusoidal LOAD: Resistive or Inductive CONDUCTION ANGLE: 360 Qxx25R5 Qxx25N5 Qxx25K6 Qxx25J6 Qxx25L6 Qxx25LH5 Qxx25P5 Qxx25R6 Qxx25NH6 Qxx25RH5 Qxx25NH5

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