DRD420D12 DYNEX [Dynex Semiconductor], DRD420D12 Datasheet - Page 5

• Manufacturer Part Number: DRD420D12
• Description: Rectifier Diode
• Manufacturer: DYNEX [Dynex Semiconductor]

www.dynexsemi.com
0.0001
0.001
Fig.5 Maximum (limit) transient thermal impedance -
0.01
80
70
60
50
40
30
20
10
0.1
0
0.001
0
3 phase 120˚
6 phase 60˚
Conduction
Halfwave
Fig.4 Series multi-cycle surge current
d.c.
10
0.01
Effective thermal resistance
Double side
0.0130
0.0141
0.0170
0.0200
Junction to case ˚C/W
Number of cycles @ 50Hz
junction to case
20
0.1
Time - (s)
Surge current (V
Surge current (V
Anode side
30
0.0250
0.0261
0.0290
0.0320
1
40
Double side cooled
Anode side cooled
R
R
= 0)
= 50% V
10
50
RRM
)
60
100
160
140
120
100
80
60
40
20
0
1
2
Pulse length, half sine wave - (ms)
Fig.5 Sub-cycle surge curves
3
4
5
6
I
I
I
I
FSM
FSM
2
2
t (V
t (V
7
(V
(V
R
R
= 0)
= 50% V
R
R
8
= 0)
= 50% V
9
DRD420D
RRM
RRM
10
)
)
40
35
30
25
20
15
10
5
0
5/7