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BY448 데이터시트(PDF) 2 Page - Vishay Siliconix |
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BY448 데이터시트(HTML) 2 Page - Vishay Siliconix |
2 / 5 page www.vishay.com 2 Document Number 86006 Rev. 1.6, 14-Apr-05 BY448 / BY458 Vishay Semiconductors Electrical Characteristics Tamb = 25 °C, unless otherwise specified Typical Characteristics (Tamb = 25 °C unless otherwise specified) Parameter Test condition Symbol Min Typ. Max Unit Forward voltage IF = 3 A VF 1.6 V Reverse current VR = VRRM IR 3 µA VR = VRRM, Tj = 140 °C IR 140 µA Total reverse recovery time IF = 1 A, - diF/dt = 0.05 A/µstrr 20 µs Reverse recovery time IF = 0.5 A, IR = 1 A, iR = 0,25 A trr 2 µs Figure 1. Typ. Thermal Resistance vs. Lead Length Figure 2. Forward Current vs. Forward Voltage 94 9101 ll TL= constant 0 0 20 40 60 80 120 l - Lead Length ( mm ) 510 15 25 30 20 100 0.001 0.01 0.1 1 10 100 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VF - Forward V oltage(V) 16417 Tj =25 °C Tj = 150 ° C Figure 3. Max. Average Forward Current vs. Ambient Temperature Figure 4. Reverse Current vs. Junction Temperature 0 0.5 1.0 1.5 2.0 2.5 16418 RthJA= 45 K/W l=10mm RthJA= 100 K/W PCB:d=25mm VR =VRRM half sinewave 075 50 25 125 100 150 Tamb - Ambient Temperature ( °C) 1 10 100 1000 25 50 75 100 125 150 Tj - Junction T emperature ( °C) 16419 VR =VRRM |
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