NTE5491 thru NTE5496 Silicon Controlled Rectifier (SCR) 10 Amp Description: The NTE5491 through NTE5496 are silicon controlled rectifiers designied primarily for half–wave AC control applications such as motor controls, heating controls, power supplies, or wherever half–wave silicon gate–controlled, solid–state devices are needed. Features: D Glass–Passivated Junctions and Center Gate Fire for Greater Parameter Uniformity and Stability D Blocking Voltage to 600 Volts Absolute Maximum Ratings: (TJ = +125°C unless otherwise specified) Peak Repetitive Off–State Blocking Voltage, VRRM, VDRM NTE5491 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100V NTE5492 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200V NTE5494 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400V NTE5496 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600V Peak Non–Repetitive Reverse Voltage, VRSM NTE5491 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150V NTE5492 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300V NTE5494 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V NTE5496 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 720V RMS On–State Current (All Conduction Angles), IT(RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25A Average On–State Current (TC = +65°C), IT(AV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16A Peak Non–Repetitive Surge Current, ITSM (One cycle, 60Hz, Preceeded and followed by rated Current and Voltage) . . . . . . . . . . 150A Circuit Fusing Considerations (TJ = –40° to +125°C, t = 1 to 8.3ms), I2t . . . . . . . . . . . . . . . . . 93A2s Peak Gate Power Dissipation, PGM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5W Average Gate Power Dissipation, PG(AV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Peak Forward Gate Current, IGT NTE5491, NTE5492, NTE5494 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0A NTE5496 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2A Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +125°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C Typical Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2°C/W Stud Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 in.lb. Electrical Characteristics: (TJ = +25°C unless otherwise specified) Parameter Symbol Average Forward Blocking Current NTE5491 ID(AV) Test Conditions Rated VDRM , Gate Open TJ = +125°C Min Typ Max Unit – – 6.5 mA NTE5492 – – 6.0 mA NTE5494 – – 4.0 mA NTE5496 – – 2.5 mA – – 6.5 mA NTE5492 – – 6.0 mA NTE5494 – – 4.0 mA NTE5496 – – 2.5 mA Average Reverse Blocking Current NTE5491 IR(AV) Rated VRRM , Gate Open TJ = +125°C Peak Forward Blocking Current IDRM Rated VDRM, Gate Open – – 10 µA Peak Reverse Blocking Current IRRM Rated VRRM, Gate Open, TJ = +125°C – – 20 mA Peak On–State Voltage VTM ITM = 50.3A Peak, Note 1 – – 2 V DC Gate–Trigger Current IGT VAK = 12VDC, RL = 50Ω – – 40 mA DC Gate–Trigger Voltage VGT VAK = 12VDC, RL = 50Ω – 0.65 2.0 V Gate Non–Trigger Voltage VGD Rated VDRM, RL = 50Ω, TJ = +125°C 0.25 – – V DC Holding Current Critical Rate–of–Rise of Off–State Voltage IH dv/dt VAK = 12V, Gate Open – 7.3 50 mA Rated VDRM, Exponential Waveform, TC = +125°C, Gate Open – 30 – V/µs Note 1. Pulse Test: Pulse Width ≤ 1ms, Duty Cycle ≤ 2%. .562 (14.28) Max Gate Cathode 1.193 (30.33) Max .200 (5.08) Max .453 (11.5) Max Anode 1/4–28 UNF–2A