MUR490E_06 Datasheet, PDF (4/5 Pages) ON Semiconductor – ULTRAFAST RECTIFIERS 4.0 AMPS, 900 - 1000 VOLTS

MUR490E, MUR4100E
EQUATION (1):
ǒ Ǔ WAVAL
[
1
2
2
LI _LPK
BVDUT
BVDUT–VDD
CH1 500V
CH2 50mV
A 20ms 953 V VERT
EQUATION (2):
WAVAL
[
1
2
LI
2
LPK
CH1
1 ACQUISITIONS
SAVEREF SOURCE
217:33 HRS
STACK
CH2
REF
REF
Figure 8. Current−Voltage Waveforms
CHANNEL 2:
I_L
0.5 AMPS/DIV.
CHANNEL 1:
V_DUT
500 VOLTS/DIV.
TIME BASE:
20 ms/DIV.
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 (IN)
1/8 1/4 1/2 3/4
50 51 53 55
58 59 61 63
28
Units
°C/W
°C/W
°C/W
MOUNTING METHOD 1
P.C. Board Where Available Copper
Surface area is small.
L
L
ÉÉÉÉÉÉÉÉÉÉÉ
MOUNTING METHOD 2
Vector Push−In Terminals T−28
ÉÉÉÉ^L ÉÉÉÉÉ^L ÉÉÉ
MOUNTING METHOD 3
P.C. Board with
1−1/2″ x 1−1/2″ Copper Surface
É L = 1/2″
ÉÉÉÉÉÉ _{Board Ground Plane}
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