Thermal Model Parameters parametric values thermal model have bee
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SiA921EDJ_RC
Thermal Model Parameters
parametric values thermal model have been derived using curve-fitting techniques. values electrical circuit Foster/Tank Cauer/Filter configurations included. When implemented P-Spice, these values have matching characteristic curves single-pulse transient thermal impedance curves MOSFET. These values used P-SPICE simulation evaluate thermal behavior MOSFET junction temperature under defined power profile. These techniques described Application Note AN609, "Thermal Simulation Power MOSFETs P-Spice Platform."
THERMAL MODEL TANK CONFIGURATION
VALUES TANK CONFIGURATION
Thermal Resistance (°C/W) Junction Junction Ambient 28.2437 13.6754 25.0823 42.9986 Ambient 2.2597 103.0497 40.8847 1.1292 Case 1.3523 6.5589 4.1019 3.9869 Case 687.7697 491.4232 54.9615 292.5428 Foot Foot
Thermal Capacitance (Joules/°C)
This document intended SPICE modeling guideline does constitute commercial product data sheet. Designers should refer appropriate data sheet same number guaranteed specification limits.
Document Number: 64745 Revision: 06-Feb-09
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SiA921EDJ_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction Note indicates applicable Ambient 14.2316 31.2017 23.4768 41.0899 Ambient 92.0082 2.0230 43.4109 1.1315 Case 6.6789 4.9199 2.7079 1.6933 Case 37.0761 118.4691 211.8647 980.4259 Foot Foot
Thermal Capacitance (Joules/°C)
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Document Number: 64745 Revision: 06-Feb-09
SiA921EDJ_RC
Document Number: 64745 Revision: 06-Feb-09
www.vishay.com
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