MUR120 Datasheet, PDF (5/6 Pages) Motorola, Inc – ULTRAFAST RECTIFIERS 1.0 AMPERE 200-400-600 VOLTS

MUR120 Series
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
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
5