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P4KE8.2CA Datasheet(PDF) 3 Page - Littelfuse |
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P4KE8.2CA Datasheet(HTML) 3 Page - Littelfuse |
3 / 5 page 67 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Transient Voltage Suppression Diodes Revision: January 09, 2009 Axial Leaded – 400W > P4KE series P4KE Series Please refer to http://www.Littelfuse.com/series/P4KE.html for current information. Ratings and Characteristic Curves (T A=25°C unless otherwise noted) t d - Pulse Width (sec.) 0.1μs 1.0μs 10μs 100μs 1.0ms 10ms 0.1 1 10 100 T A - Ambient Temperature (˚C) 0 0 25 25 50 50 75 75 100 100 125 150 175 200 Figure 1 - Peak Pulse Power Rating Figure 2 - Pulse Derating 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 ( ) 1 10 100 1000 10000 1.0 10.0 100.0 1000.0 V BR - Reverse Breakdown Voltage (V) Tj=25C f=1.0MHz Vsig=50mVp-p Uni-directional VR=0V Bi-directional VR=0V Uni-directional @ V R Bi-directional @V R Figure 3 - Pulse Waveform Figure 4 - Typical Junction Capacitance Uni-Directional Figure 5 - Steady Pulse Derating Curve 0 0.2 0.4 0.6 0.8 1 1.2 0 25 50 75 100 125 150 175 200 L = 0.375" (9.5mm) Lead Lengths T L-Lead Temperature(ºC) 0 5 10 15 20 25 30 35 40 45 110 100 Number of Cycles at 60 Hz Figure 6 - Maximum Non-Repetitive Peak Forward Surge Current Uni-Directional Only |
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