Si7489DP Vishay Siliconix TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted 35 100 30 80 25 Package Limited 60 20 er (W) w o 15 P ain Current (A) 40 - Dr 10 I D 20 5 0 0 0 25 50 75 100 125 150 25 50 75 100 125 150 TC - Case Temperature (°C) TC - Case Temperature (°C) Current Derating*Power Derating 100 10 alanche Current (A) v eak A - P L · I I C T = A A BV - VDD 1 0.000001 0.00001 0.0001 0.001 0.01 TA - Time In Avalanche (s) Single Pulse Avalanche Capability * The power dissipation PD is based on TJ(max) = 150 °C, using junction-to-case thermal resistance, and is more useful in settling the upper dissipation limit for cases where additional heatsinking is used. It is used to determine the current rating, when this rating falls below the package limit. Document Number: 73436 www.vishay.com S09-0271-Rev. C, 16-Feb-09 5
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