NTE633 Silicon Rectifier Diode High Speed Switching (Surface Mount) Description: The NTE631 is a high−speed switching diode fabricated in planar technology and encapsulated in a very small rectangular ceramic SMD package. Features: D Small Ceramic SMD Package D High Switching Speed Applications: D High−Speed Switching in Surface Mounted Circuits Absolute Maximum Ratings: Repetitive Peak Reverse Voltage, VRRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100V Continuous Reverse Voltage, VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100V Continuous Forward Current (TS = +90°C, Note 1), IF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mA Repetiive Peak Forward Current, IFRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA Non−Repetitive Peak Forward Current (Square Wave, TJ = +25°C Prior to Surge), IFSM t = 1µs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A t = 1ms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A t = 1sec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5A Total Power Dissipation (TS = +90°C, Note 1), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65° to +150°C Thermal Resistance, Junction−to−Soldering Point (Note 2), Rth(j−s) . . . . . . . . . . . . . . . . . . . 150K/W Note 1. TS is the temperature at the soldering point of the cathode tab. Note 2. Soldering point of the cathode tab. Electrical Characteristics: (TJ = +25°C, unless otherwise specified) Parameter Forward Voltage Symbol VF Test Conditions Min Typ Max Unit IF = 1mA − − 715 mV IF = 10mA − − 855 mV IF = 50mA − − 1.0 V IF = 150mA − − 1.25 V Electrical Characteristics (Cont’d): (TJ = +25°C, unless otherwise specified) Parameter Symbol Reverse Current IR Test Conditions VR = 25V TJ = +150°C VR = 75V TJ = +150°C Min Typ Max Unit − − 30 nA − − 30 µA − − 1 µA − − 50 µA Diode Capacitance Cd f = 1MHz, VR = 0 − − 1.5 pF Reverse Recovery Time trr When switched from IF = 10mA to IR = 10mA, RL = 100Ω, measured at IR = 1mA − − 4 ns Forward Recovery Voltage Vfr When switched from IF = 10mA, tr = 20ns − − 1.75 V .037 (0.95) .098 (2.5) .066 (1.7) .049 (1.25) K A .011 (0.3)