MUR120 Datasheet, PDF (4/6 Pages) Motorola, Inc – ULTRAFAST RECTIFIERS 1.0 AMPERE 200-400-600 VOLTS

MUR120 MUR140 MUR160
NOTE 1 — 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
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
4
Rectifier Device Data