1N4450

1N4450 FEATURES : • High switching speed: max. 4 ns • Reverse voltage:max. 30 V • Peak reverse voltage:max. 40 V • Pb / RoHS Free HIGH SPEED SWITCHING DIODE DO - 35 Glass (DO-204AH) 0.079(2.0 )max. 1.00 (25.4) min. Cathode Mark 0.150 (3.8) max. MECHANICAL DATA : Case: DO-35 Glass Case Weight: approx. 0.13g 0.020 (0.52)max. 1.00 (25.4) min. Dimensions in inches and ( millimeters ) Maximum Ratings and Thermal Characteristics ( Ta = 25 °C) Parameter Maximum Peak Reverse Voltage Maximum Reverse Voltage Maximum Forward DC Current Maximum Average Forward Current Maximum Surge Forward Current at tp = 1 µs Power Dissipation Maximum Junction Temperature Storage Temperature Range Symbol VRM VR IF IF(AV) IFSM PD TJ TSTG Value 40 30 250 200 4 500 200 -65 to + 200 Unit V V mA mA A mW °C °C Electrical Characteristics Parameter Reverse Current Forward Voltage ( Ta = 25 °C) Symbol IR Test Condition VR = 30 V VR = 30 V , Tj = 150 °C IF = 0.1 mA IF = 1.0 mA Min. 0.42 0.52 0.64 0.80 40 - Typ. - Max. 50 50 0.54 0.64 0.72 0.92 1.00 4 4 Unit nA μA VF IF = 10 mA IF = 50 mA IF = 200 mA V Reverse Breakdown Voltage Diode Capacitance Reverse Recovery T V(BR)R Cd Trr IR = 5 μA (pulsed) f = 1MHz ; VR = 0 IF = 10 mA ,V R = 6 V, RL = 100 Ω V pF ns Page 1 of 2 Rev. 01 : May 9, 2006 RATING AND CHARACTERISTIC CURVES ( 1N4450 ) FIG1. - FORWARD CURRENT VS. FORWARD VOLTAGE 1000 FIG.2 - REVERSE CURRENT VS. JUNCTION TEMPERATURE 10000 f = 1 MHz Ta = 25 °C TJ = 75 °C 1000 FORWARD CURRENT, I F (mA) 100 REVERSE CURRENT, IR (nA) TJ = 125 10 TJ = 50 °C 100 TJ = 25 °C TJ = 25 °C 1.0 10 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.0 0 20 40 60 80 100 FORWARD VOLTAGE , V F (V) REVERSE VOLTAGE , VR (V) FIG3. - CAPACITANCE BETWEEN TERMINALS VS. REVERSE VOLTAGE REVERSE RECOVERY TIME, Trr (ns) 2.5 FIG. 4 - REVERSE RECOVERY TIME VS. FORWARD CURRENT 5 VR = 6 V 4 DIODE CAPACITANCE, Cd (pF) f = 1 MHz Ta = 25 °C 2.0 1.5 3 1.0 2 0.5 1 0 0 10 20 30 0 0 4 8 12 16 20 REVERSE VOLTAGE , VR (V) REVERSE VOLTAGE , VR (V) Page 2 of 2 Rev. 01 : May 9, 2006