MUR490E, MUR4100E
http://onsemi.com
4
BV
WAVAL
1
2LI
2
LPK
DUT
BVDUT–V
DD
WAVAL
1
2LI
2
LPK
Figure 8. Current?Voltage Waveforms
CHANNEL 2:
IL
0.5 AMPS/DIV.
CHANNEL 1:
VDUT
500 VOLTS/DIV.
TIME BASE:
20 s/DIV.
EQUATION (1):
EQUATION (2):
CH1 CH2 REF REF
CH1
CH2
1 217:33 HRSACQUISITIONS
SAVEREF SOURCE
STACK
A
20s
953 V VERT
500V
50mV
Lead Length, L (IN)
Mounting
Method
1/8
1/4 1/2 Units3/4
1
2
3
50
58
RJA
51 53
59 61
28
°C/W
°C/W
°C/W
TYPICAL VALUES FOR
RJA
IN STILL AIR
Data shown for thermal resistance junction?to?ambient (RJA) 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.
NOTE 1 — AMBIENT MOUNTING DATA
MOUNTING METHOD 1 MOUNTING METHOD 2
MOUNTING METHOD 3
55
63
L
L
P.C. Board Where Available Copper
Surface area is small.
L
L
Vector Push?In Terminals T?28
L = 1/2″
Board Ground Plane
P.C. Board with
x 1?1/2″
Copper Surface
1?1/2
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