MUR480E Datasheet, PDF (5/8 Pages) ON Semiconductor – SWITCHMODE Power Rectifiers

MUR480E, MUR4100E
NOTE 2 - AMBIENT MOUNTING DATA
Data shown for thermal resistance junction-to-ambient
(R_θJA) 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_θJA IN STILL AIR
Mounting
Method
1
2
R_θJA
3
Lead Length, L (IN)
1/8 1/4 1/2 3/4
50 51 53 55
58 59 61 63
28
Units
°C/W
°C/W
°C/W
MOUNTING METHOD 1
P.C. Board Where Available Copper
Surface area is small.
L
L
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
MOUNTING METHOD 2
Vector Push-In Terminals T-28
ÉÉÉÉÉÉÉÉ^L ÉÉÉÉÉÉÉÉÉÉ^LÉÉÉÉÉÉ
MOUNTING METHOD 3
P.C. Board with
1-1/2 ″ x 1-1/2 ″ Copper Surface
ÉÉ _{L = 1/2″}
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉ _{Board Ground Plane}
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