2N1772A 2N1774A 2N1776A www.centralsemi.com 2N1777A DESCRIPTION: SILICON CONTROLLED RECTIFIER The CENTRAL SEMICONDUCTOR 2N1772A series 7.4 AMP, 100 THRU 400 VOLT devices are reverse blocking triode thyristors designed for use in low power switching and phase control applications requiring blocking voltages up to 400 volts, and RMS load currents up to 7.4 amps. MARKING: FULL PART NUMBER TO-64 CASE MAXIMUM RATINGS: (T =25C unless otherwise noted) C SYMBOL 2N1772A 2N1774A 2N1776A 2N1777A UNITS Peak Repetitive Off-State Voltage V 100 200 300 400 V DRM Peak Repetitive Reverse Voltage V 100 200 300 400 V RRM Peak Non-Repetitive Reverse Voltage V 150 300 400 500 V RSM Peak Reverse Gate Voltage V 10 V RGM RMS On-State Current I 7.4 A T(RMS) Average On-State Current (T=105C) I 4.7 A C O Peak Forward Gate Current I 2.0 A FGM Peak One Cycle Surge Current (60Hz) I 60 A TSM 2 2 2 I t Value for Fusing, tp=8.3ms It 15 A s Critical Rate of Rise of On-State Current di/dt 60 A/s Peak Gate Power Dissipation P 5.0 W GM Average Gate Power Dissipation P 0.5 W G(AV) Operating Junction Temperature T 65 to +125 C J Storage Temperature T 65 to +150 C stg Thermal Resistance 3.1 C/W JC Mounting Torque - 15 in-lb Mounting Torque (metric) - 17.5 kg-cm ELECTRICAL CHARACTERISTICS: (T =25C unless otherwise noted) J SYMBOL TEST CONDITIONS MIN TYP MAX UNITS I V =100V, T=125C 9.0 mA DRM DRM J I V =100V, T=125C 9.0 mA RRM RRM J I V =200V, T=125C 6.0 mA DRM DRM J I V =200V, T=125C 6.0 mA RRM RRM J I V =300V, T=125C 4.0 mA DRM DRM J I V =300V, T=125C 4.0 mA RRM RRM J I V =400V, T=125C 2.0 mA DRM DRM J I V =400V, T=125C 2.0 mA RRM RRM J I V =12V, R=250 15 mA GT D L I V =12V, R =250, T=-65C 30 mA GT D L J V V =12V, R =250, T=150C 2.0 V GT D L J V V =100V, R =250, T=150C 0.2 V GD D L J V I=15A 1.85 V TM T I V =24V, R =20, T=25C 25 mA H D L J dv/dt - 20 V/s R3 (20-March 2019)2N1772A 2N1774A 2N1776A 2N1777A SILICON CONTROLLED RECTIFIER 7.4 AMP, 100 THRU 400 VOLT TO-64 CASE - MECHANICAL OUTLINE MARKING: FULL PART NUMBER R3 (20-March 2019) www.centralsemi.com