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MUR190E Datasheet, PDF (5/6 Pages) Motorola, Inc – ULTRAFAST RECTIFIERS 1.0 AMPERE 900-1000 VOLTS | |||
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NOTE 1 â AMBIENT MOUNTING DATA
MUR190E MUR1100E
Data shown for thermal resistance junction to
ambient (RθJA) 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 RθJA IN STILL AIR
Mounting
Method
1
2
RθJA
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
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ
MOUNTING METHOD 2
ÃÃÃÃÃÃÃÃL ÃÃÃÃÃÃÃÃÃÃLÃÃÃÃÃÃ
Vector Pin Mounting
MOUNTING METHOD 3
ÃÃ L = 3/8â³
ÃÃÃÃÃÃÃÃÃÃ Board Ground Plane
ÃÃÃÃ P.C. Board with
1â1/2â³ X 1â1/2â³ Copper Surface
Rectifier Device Data
5
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