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20KPA28A-B Datasheet(PDF) 3 Page - Littelfuse |
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20KPA28A-B Datasheet(HTML) 3 Page - Littelfuse |
3 / 5 page 119 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Transient Voltage Suppression Diodes Revision: January 09, 2009 20KPA Series Axial Leaded – 20000W > 20KPA series Please refer to http://www.Littelfuse.com/series/20KPA.html for current information. Ratings and Characteristic Curves (T A=25°C unless otherwise notedFigure 1 - Peak Pulse Power Rating Curve 0 0 50 100 150 1.0 2.0 3.0 4.0 tr=10μsec Peak Value IPPM IPPM 2 TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM 10/1000μsec. Waveform as defined by R.E.A td t-Time (ms) Half Value IPPM ( ) 0 20 40 60 80 100 0 25 50 75 100 125 150 175 200 T A-Ambient temperature (ºC) 1 100 10000 0 50 100 150 200 250 300 350 V BR - Reverse Breakdwon Voltage (V) Tj=25C f=1.0MHz Vsig=50mVp-p Bi-direct ional @ VR Uni-direct ional V= OV Bi-direct ional V= OV Uni-direct ional @ VR 0 1 2 3 4 5 6 7 8 9 0 25 50 75 100 125 150 175 200 L = 0.375” (9.5mm) Lead Lengths T L- Le a d Te mpe rature (ºC) Figure 2 - Pulse Derating Curve Figure 3 - Pulse Waveform Figure 4 - Typical Junction Capacitance Figure 5 - Steady State Power Derating Curve 0 50 100 150 200 250 300 350 400 450 1 10 100 Number of Cycles at 60 Hz Figure 6 - Maximum Non-Repetitive Peak Forward Surge Current 0.1 1 10 100 1000 t d- Pulse Width (Sec.) 0.000001 0.00001 0.0001 0.001 Figure 1 - Peak Pulse Power Rating Curve |
Similar Part No. - 20KPA28A-B |
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Similar Description - 20KPA28A-B |
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