Thermal Model Parameters parametric values thermal model have bee
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SiA438EDJ_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 6.7576 21.1495 24.0061 38.0868 Ambient 145.1424 4.8991 66.6787 2.0947 Case 2.7069 3.1902 1.0821 4.0208 Case 143.3466 1.8014 16.4210 588.0983 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: 64706 Revision: 16-Dec-08
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SiA438EDJ_RC
THERMAL MODEL FILTER CONFIGURATION
VALUES FILTER CONFIGURATION
Thermal Resistance (°C/W) Junction Junction Note indicates applicable Ambient 7.4708 23.6972 22.7296 36.1024 Ambient 166.6218 4.5296 70.2944 2.1608 Case 3.0560 3.6118 1.8070 2.5252 Case 94.1619 157.8502 663.0335 780.8632 Foot Foot
Thermal Capacitance (Joules/°C)
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Document Number: 64706 Revision: 16-Dec-08
SiA438EDJ_RC
Document Number: 64706 Revision: 16-Dec-08
www.vishay.com
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