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D255K Datasheet(PDF) 4 Page - eupec GmbH

Part # D255K
Description  Leistungsgleichrichterdioden Power Rectifier Diodes
PDF  5 Pages
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Manufacturer  EUPEC [eupec GmbH]
Direct Link  http://www.eupec.com
Logo EUPEC - eupec GmbH

D255K Datasheet(HTML) 4 Page - eupec GmbH

  D255K Datasheet HTML 1Page - eupec GmbH D255K Datasheet HTML 2Page - eupec GmbH D255K Datasheet HTML 3Page - eupec GmbH D255K Datasheet HTML 4Page - eupec GmbH D255K Datasheet HTML 5Page - eupec GmbH  
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D255K
Bild / Fig. 5
Differenz zwischen den Wärmewiderständen
für Pulsstrom und DC
Difference between the values of thermal resistance for
pulse current and DC
Parameter: Stromkurvenform / Current waveform
Bild / Fig. 6
Sperrverzögerungsladung / Recovered charge Qr = f(-di/dt)
tvj = tvjmax; vR
≤ 0,5 VRRM; VRM = 0,8 VRRM
Beschaltung / Snubber: C =
µF; R =
Ω
Parameter: Durchlaßstrom / Forward current IFM
Analytische Funktion / Analytical function:
n max
ZthJC =
Σ R
thn (1-EXP(-t/
τ
n))
n=1
Rthn
τ
n
Pos. n
1
2
3
4
5
6
7
°C/W 0,00113
0,00635
0,00932 0,142
0,126
0,0552
[s]
0,000057 0,000754 0,00958 0,213
2,05
10,4
Analytische Elemente des transienten Wärmewiderstandes ZthJC für DC
Analytical elements of transient thermal impedance ZthJC for DC
Bild / Fig. 7
Transienter innerer Wärmewiderstand
Transient thermal impedance ZthJC = f(t), DC
1 - Beidseitige Kühlung / Two-sided cooling
2 - Anodenseitige Kühlung / Anode-sided cooling
3 - Kathodenseitige Kühlung / Kathode-sided cooling
[
µAs]
Qr
-diF /dt [A/µs]
10 3
D255K_7
1
10
100
0,1
9
8
7
6
5
4
3
2
9
8
7
6
5
10
2
iFM [A]
800
400
200
100
50
25
0
30
60
90
120
150
180
0,04
0,02
Θ [°el]
0,06
0,08
0,10
D255K_3
[°C/W]
thJC
∆R
T
Θ
T
Θ
Θ
T
0,4
0,3
0,2
0,1
0
Z(th)JC
[°C/W]
D255K_2
10 -3
10-2
10-1
100
101
102
t [s]



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