BL
GALAXY ELECTRICAL
THREE - PHASE SILICON BRIDGE
DB25-005 -- DB25-10
VOLTAGE RANGE
: 50 -- 1000 V
CURRENT: 25.0 A
FEATURES
Rating to 1000 V
Low forward voltage drop
DB25
~
25.8-24.8
_
-
~
5.3-5.1
16.5-15.5
28.7-28.4
~
+
+
6.35X0.8
Small size,simple installation
Tinned copper leads
10.5-9.5
24.5-22.5
Mounting: Thru hole for #6 screw
Metal Heat Sink
inch(mm)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
DB25
- 005
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified
output current
@T
A
= 50
V
RRM
V
RMS
V
DC
I
(AV)
50
35
50
DB25
- 01
100
70
100
DB25
- 02
200
140
200
DB25
- 04
400
280
400
25.0
DB25
- 06
600
420
600
DB25 DB25
- 08
- 10
800
560
800
1000
700
1000
UNITS
V
V
V
A
Peak forward surge current
8.3ms single half-sine-wave
Maximum forwand voltage drop
per element at 12.5 A peak
Maximum reverse current
@T
A
=25
at rated DC blocking voltage
per element
@T
A
=100
Thermal resistance junction to case
Operating temperature range
Storage temperature range
I
FSM
V
F
350.0
1.05
10
A
V
A
mA
K/W
I
R
1.0
R
θJC
T
j
T
STG
2.4
- 55 --- + 125
- 55 --- + 150
www.galaxycn.com
Document Number: 0293002
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 - Current Ratings Characteristics
Maximum Allowable Case Temperature ,°C
DB25 - 005
- -
- DB25 -10
FIG.2 --
Forward Voltage Characteristics
1000
DB25.. Series
160
140
Instantaneous Forward Current, A
DB25.. Series
100
Per Junction
120
120°
(Rect)
100
10
T
J
= 15O°C
T
J
= 25°C
1
0
0.5
1
1.5
2
2.5
3
3.5
4
80
60
0
5
10
15
20
25
30
Total Output Current,A
Instantaneous Forward Voltage, V
FIG. 3 - Total Power Loss Characteristics
55
DB25..
Series
T
J
= 150°C
2
Maximum Total Power Loss, W
50
45
40
35
30
25
20
15
10
5
0
0
K/
W
/W
1
W
K/
A
hS
R
t
=
7
0.
W
K/
-D
120°
(Rect)
a
elt
3K
R
4K
/W
5K
/W
7 K/
W
1 0 K /W
5
10
15
20
0
25
25
50
75
100
125
150
Total Output Current, A
Maximum Allowable Ambient Temperature,°C
FIG. 4 - Maximum Non-Repetitive Surge Current
Peak Half Sine Wave Forward Current,A
FIG. 5 - Maximum Non-Repetitive Surge Current
320
300
280
260
240
220
200
180
160
140
120
100
80
1
Peak Half Sine Wave Forward Current, A
At Any Rated Load Condition And With
Rated V
RRM
Applied Following Surge.
Initial T
J
= 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
400
360
320
280
240
200
160
120
80
0.01
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
Initial T
J
= 150°C
No Voltage Reapplied
Rated
RRM
Reapplied
V
DB25.. Series
DB25.. Series
10
100
0.1
1
Number Of Equal Amplitude Half Cycle Current Pulses N
Pulse Train Duration, s
Document Number 0293002
BL
GALAXY ELECTRICAL
www.galaxycn.com
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