MUR220_06 Datasheet, PDF (4/5 Pages) ON Semiconductor – SWITCHMODE TM Power Rectifier

MUR220
NOTE 3. − 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
1/8 1/4 1/2
52 65 72
67 80 87
50
Units
°C/W
°C/W
°C/W
MOUNTING METHOD 1
ÉÉÉÉÉÉÉÉ^L ÉÉÉÉÉÉÉÉ^L ÉÉÉÉÉÉ
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
4