MUR120_13 Datasheet, PDF (5/7 Pages) ON Semiconductor – SWITCHMODE Power Rectifiers

MUR120 Series
NOTE 2. — AMBIENT MOUNTING DATA
Data shown for thermal resistance, junction−to−ambient
(R_qJA) for the mountings shown is to be used as typical
guideline values for preliminary engineering or in case the
tie point temperature cannot be measured.
TYPICAL VALUES FOR R_qJA IN STILL AIR
Mounting
Method
1
2
R_qJA
3
Lead Length, L (in.)
1/8 1/4 1/2
52 65 72
67 80 87
50
Units
°C/W
°C/W
°C/W
MOUNTING METHOD 1
L
L
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
MOUNTING METHOD 2
ÉÉÉÉÉÉÉÉL ÉÉÉÉÉÉÉÉÉÉLÉÉÉÉÉÉ
Vector Pin Mounting
MOUNTING METHOD 3
ÉÉ _{L = 3/8″}
ÉÉÉÉÉÉÉÉÉÉÉÉ _{Board Ground Plane}
P.C. Board with
1−1/2″ X 1−1/2″ Copper Surface
http://onsemi.com
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