NTE2639 Silicon NPN Transistor CRT Horizontal Deflection, High Voltage, High Speed Switch Description: The NTE2639 is a high voltage, high speed switching silicon NPN transistor in a plastgic full–pack envelope designed for use in horizontal deflection circuits of color TV receivers. Absolute Maximum Ratings: Collector–Emitter Voltage Peak Value (VBE = 0V), VCESM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1700V Collector–Emitter Voltage (OpenBase), VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 825V Collector Current, IC DC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12A Peak Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30A Base Current, IB DC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12A Peak Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20A Reverse Base Current (Average over any 20ms period), –IB(AV) . . . . . . . . . . . . . . . . . . . . . . . 200mA Reverse Base Current Peak Value (Note 1), –IBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9A Total Power Dissipation (THS ≤ +25°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45W Electrostatic Discharge Capacitor Voltage (Human body model (250pF, 1.5kΩ), VC . . . . . . . . 10kV Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C Maximum Thermal Resistance, Junction–to–Heatsink, RthJHS Without Heatsink Compound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7K/W With Heatsink Compound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8K/W Typical Thermal Resistance, Junction–to–Ambient (In Free Air), RthJA . . . . . . . . . . . . . . . . . . 35K/W Note 1. Turn–off current. Electrical Characteristics: (THS = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Isolation Limiting Value and Characteristic Repetitive Peak Voltage from All Three Terminals to External Heatsink Visol R.H. ≤ 65%; Clean and Dustfree – – 2500 V Capacitance from T2 to External Heatsink Cisol f = 1MHz – 22 – pF ICES VCE = 1700V, VBE = 0 – – 1.0 mA VCE = 1700V, VBE = 0, TJ = +125°C – – 2.0 mA VEB = 7.5V, IC = 0A – – 1.0 mA 7.5 13.5 – V 825 – – V Static Characteristics Collector Cutoff Current Emitter Cutoff Current IEBO Emitter–Base Breakdown Voltage V(BR)EBO IB = 1mA Collector–Emitter Sustaining Voltage VCEO(sus) IB = 0A, IC = 100mA, L = 25mH Collector–Emitter Saturation Voltage VCE(sat) IC = 7A, IB = 1.75A – – 1.0 V Base–Emitter Saturation Voltage VBE(sat) IC = 7A, IB = 1.75A – – 1.1 V hFE VCE = 5V, IC = 0.1A – 22 – 4.0 6.0 6.5 – 5.8 6.5 µs – 0.6 0.8 µs DC Current Gain VCE = 1V, IC = 7A Dynamic Characteristics (Switching Times, 16kHz Line Deflection Circuit) Turn–Off Storage Time ts Turn–Off Fall Time tf IC(sat) = 7A, LC = 650µH, Cfb = 18nF, VCC = 162V, IB(end) = 1.5A, LB = 2µH, –VBB = 4V Note 2. Measured with half sine–wave voltage (curve tracer). .228 (5.8) Max .630 (16.0) Max .177 (4.5) .118 (3.0) Isol 1.063 (27.0) Max .885 (22.5) Max B C E .712 (18.1) Min .215 (5.45) .215 (5.45)