DACO SEMICONDUCTOR CO., LTD.
Features
High Surge Capability
Types up to 1200V V
RRM
S25B(R)
THRU
S25Q(R)
STANDARD RECOVERY DIODES STUD TYPE 25A
25Amp Rectifier
50-1200 Volts
DO-4
Maximum Ratings
Operating Temperature: -65 C to +175
Storage Temperature: -65 C to +200
M
C
J
B
N
Part Number
S25B(R)
S25D(R)
S25G(R)
S25J(R)
S25K(R)
S25M(R)
S25Q(R)
Maximum
Recurrent
Peak Reverse
Voltage
100V
200V
400V
600V
800V
1000V
1200V
Maximum
RMS Voltage
70V
140V
280V
420V
560V
700V
840V
Maximum DC
Blocking
Voltage
P
D
G
F
100V
200V
400V
600V
800V
1000V
1200V
A
E
O
Electrical Characteristics @ 25
Average Forward
Current
Peak Forward Surge
Current
Maximum
Instantaneous
Forward Voltage *
Maximum
Instantaneous
Reverse Current At
Rated DC Blocking
Maximum thermal
resistance,
junction to case
I
F(AV)
I
FSM
V
F
Unless Otherwise Specified
25 A
373A
1.10V
T
C
= 120
Notes:
1.Standard Polarity:Stud is Cathode
2.Reverse Polarity:Stud is Anode
DIMENSIONS
INCHES
MIN
MAX
10
-32
UNF3A
¼
.437
.424
.505
-----
.600
.820
.422
.453
.075
.175
-----
.405
.310
-----
.413
-----
.065
.020
.019 Typ.
.060
.100
MM
MIN
MAX
NOTE
Threads
Standard Polarity
10.77
11.10
-----
12.82
15.24
20.82
10.72
11.50
1.91
4.44
-----
10.29
-----
7.87
10.49
-----
0.51
1.65
4.83 Typ.
1.53
2.54
8.3ms , Half sine
I
FM
= 25A;
T
J
= 25
T
J
= 25
T
J
= 175
DIM
A
B
C
D
E
F
G
J
M
N
O
P
I
R
10 uA
12
mA
R jc
2.5
/W
Mounting torque
Kgf-cm
11.0~13.4
threads
Not lubricated
*Pulse Test: Pulse Width 300 usec, Duty Cycle
2%
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DACO SEMICONDUCTOR CO.,LTD.
S25B(R)
Figure .1-Typical Forward Characteristics
30
1000
Average ForwArd Rectified Current - AmPeres
THRU
S25Q(R)
Figure .2-Forward Derating Curve
600
25
I nStantaneous Forward Current
- Amperes
Amp s
400
200
175
100
60
40
20
25
10
6.0
4.0
2.0
1.0
0.4
0.8
1.2
1.6
Volts
2.4
2.8
3.2
20
Amp s
15
10
5
Single Phase, Half Wave
60Hz Resistive or Inductive Load
0
0
30
60
90
120
150
180
Case
Te mperature -
Figure .4-Typical Reverse Characteristics
10
6.0
4.0
2.0
1.0
.6
.4
Instantaneous Forward Voltage - Volts
T
J
=175
470
mA
Figure .3- Peak Forward Surge Current
8.3ms Single Half
Sine Wave
JEDEC method T =25
J
.2
.1
.06
T
J
=150
Peak Forward Surge Current -Amperes
400
330
Instantaneous Reverse Leakage Current -
Amps
260
190
120
50
1
2
4
6
8 10 20
Cycles
Number Of Cycles At 60Hz - Cycles
40
60 80 100
mA
.04
.02
.01
.006
.004
.002
.001
.0006
.0004
T
J
=25
.0002
.0001
0
200
400
600
800
1000
1200
Volts
Reverse Voltage - Volts
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