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MUR180E Datasheet, PDF (5/8 Pages) ON Semiconductor – SWITCHMODE Power Rectifiers
MUR180E, MUR1100E
NOTE 3. — AMBIENT MOUNTING DATA
Data shown for thermal resistance junction to
ambient (RqJA) 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 RqJA IN STILL AIR
Mounting
Method
1
2
RqJA
3
Lead Length, L
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″
ÉÉÉÉÉÉÉÉÉÉ Board Ground Plane
ÉÉÉÉ P.C. Board with
1–1/2″ X 1–1/2″ Copper Surface
http://onsemi.com
5