MUR240 Datasheet, PDF (4/6 Pages) ON Semiconductor – SWITCHMODE Power Rectifier

MUR240
NOTE 1 - 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
L
L
ÉÉÉÉÉÉÉÉÉÉÉ
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