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DO-203AA (DO-4)
PRODUCT SUMMARY
I
F(AV)
Vishay High Power Products
Standard Recovery Diodes
(Stud Version), 25 A
FEATURES
• High surge current capability
• Stud cathode and stud anode version
• Wide current range
• Types up to 1200 V V
• RoHS compliant
TYPICAL APPLICATIONS
• Battery charges
• Converters
• Power supplies
25 A
• Machine tool controls
25F(R) Series
RoHS
COMPLIANT
RRM
MAJOR RATINGS AND CHARACTERISTICS
PARAMETER TEST CONDITIONS VALUES UNITS
I
F(AV)
I
F(RMS)
I
FSM
2
I
t
V
RRM
T
J
120 °C
T
C
50 Hz 356
60 Hz 373
50 Hz 636
60 Hz 580
Range 100 to 1200 V
25 A
40 A
- 65 to 175 °C
ELECTRICAL SPECIFICATIONS
VOLTAGE RATINGS
V
TYPE
NUMBER
25F(R)
Note
(1)
Avalanche version only available from V
VOLTAGE
CODE
10 100 150 -
20 200 275 -
40 400 500 500
60 600 725 750
80 800 950 950
100 1000 1200 1150
120 1200 1400 1350
, MAXIMUM
RRM
REPETITIVE PEAK
REVERSE VOLTAGE
V
400 V to 1200 V
RRM
V
, MAXIMUM
RSM
NON-REPETITIVE
PEAK VOLTAGE
V
V
, MINIMUM
R(BR)
AVALANCHE
VOLTAGE
(1)
V
A
A2s
I
MAXIMUM
RRM
AT T
= 175 °C
J
mA
12
Document Number: 93506 For technical questions, contact: ind-modules@vishay.com
Revision: 29-Sep-08 1
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25F(R) Series
Vishay High Power Products
Standard Recovery Diodes
(Stud Version), 25 A
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current
at case temperature
Maximum RMS forward current I
Maximum on-repetitive peak
reverse power
Maximum peak, one-cycle forward,
non-repetitive surge current
2
Maximum I
Maximum I
t for fusing I2t
2
√t for fusing I2√t t = 0.1 to 10 ms, no voltage reapplied 6360 A2√s
Low level value of threshold voltage V
High level value of threshold voltage V
Low level value of forward
slope resistance
High level value of forward
slope resistance
Maximum forward voltage drop V
I
F(AV)
F(RMS)
(1)
P
R
I
FSM
F(TO)1
F(TO)2
r
f1
r
f2
FM
180° conduction, half sine wave
10 µs square pulse, TJ = TJ maximum 10 K/W
t = 10 ms
t = 8.3 ms 373
t = 10 ms
t = 8.3 ms 314
t = 10 ms
t = 8.3 ms 580
t = 10 ms
t = 8.3 ms 410
(16.7 % x π x I
(I > π x I
(16.7 % x π x I
(I > π x I
No voltage
reapplied
100 % V
reapplied
No voltage
reapplied
100 % V
reapplied
F(AV)
), TJ = TJ maximum 0.90
F(AV)
F(AV)
), TJ = TJ maximum 5.70
F(AV)
Ipk = 78 A, TJ = 25 °C, tp = 400 µs rectangular wave 1.30 V
Note
(1)
Available only for avalanche version, all other parameters the same as 25F
RRM
RRM
< I < π x I
< I < π x I
Sinusoidal half wave,
= TJ maximum
initial T
J
), TJ = TJ maximum 0.80
F(AV)
), TJ = TJ maximum 6.80
F(AV)
25 A
120 °C
40 A
356
300
636
450
A
A2s
V
mΩ
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction operating
temperature range
Maximum storage temperature range T
Maximum thermal resistance,
junction to case
Maximum thermal resistance,
case to heatsink
Allowable mounting torque
Approximate weight
Case style See dimensions - link at the end of datasheet DO-203AA (DO-4)
www.vishay.com For technical questions, contact: ind-modules@vishay.com
2 Revision: 29-Sep-08
T
J
Stg
R
thJC
DC operation 1.5
- 65 to 175
- 65 to 200
°C
K/W
R
thCS
Mounting surface, smooth, flat and greased 0.5
+ 0 - 10 %
Not lubricated threads
Lubricated threads
1.5
1.2
(13)
+ 0 - 10 %
(10)
N · m
(lbf · in)
N · m
(lbf · in)
7g
0.25 oz.
Document Number: 93506
25F(R) Series
Standard Recovery Diodes
Vishay High Power Products
(Stud Version), 25 A
ΔR
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
Note
• The table above shows the increment of thermal resistance R
CONDUCTION
thJC
180° 0.28 0.24
120° 0.39 0.41
90° 0.50 0.54
60° 0.73 0.75
30° 1.20 1.21
when devices operate at different conduction angles than DC
thJC
180
170
160
150
140
130
120
110
Maximum Al lowable Case Temperatu re (°C)
100
0 5 10 15 20 25 30
Average Forward Current (A)
25F(R) Series
R (DC) = 1.5 K/W
thJC
Conduction Angl e
90°
60°
30°
120°
180°
Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics
= TJ maximum K/W
T
J
180
170
160
150
140
130
120
110
Maximum All owab le Ca se Tempe ratu re (° C)
100
0 5 10 15 20 25 30 35 40 45
25F(R) Series
R (DC) = 1.5 K/W
thJC
Conducti on Period
90°
60°
30°
Average Forward Current (A)
120°
180°
DC
35
30
25
20
15
10
5
Maximum Average Forward Power Loss (W)
0
180°
120°
90°
60°
30°
RMS Limi t
Con duct ion Angl e
25F(R) Seri es
T = 175°C
J
0 5 10 15 20 25 30
Average Forward Current (A)
3
K
/
W
4
K
/
W
6
K
/
W
8
K
/
W
1
2
K
/
W
2
0K
/
W
4
0
K
/
W
0 25 50 75 100 125 150 175
Maximum All owable Ambient Temperature (°C)
R
2
t
h
K
S
/
W
A
=
1
K
/
W
D
e
l
t
a
R
Fig. 3 - Forward Power Loss Characteristics
Document Number: 93506 For technical questions, contact: ind-modules@vishay.com
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Revision: 29-Sep-08 3
25F(R) Series
Vishay High Power Products
25
20
15
10
Maximum Average Forward Power Loss (W)
350
At Any Rated Load Conditi on And With
Rated V Applied Following Surge.
300
250
RRM
DC
180°
120°
90°
60°
30°
5
0
0 5 10 15 20 25 30
Average Forward Current (A)
Initial T = 175°C
J
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
Standard Recovery Diodes
(Stud Version), 25 A
R
t
6
K
/
RMS Limi t
Conduct ion Perio d
16F(R) Series
T = 175 °C
J
W
8
K
/
W
1
0
K
/
W
1
5
K
/
W
2
0
K
/
W
3
0
K
/
W
0255075100
Maximum Allowable Ambient Temperature (°C)
Fig. 4 - Forward Power Loss Characteristics
h
1000
100
S
A
=
4
K
/
W
-
D
e
l
t
a
R
200
150
100
25F(R) Series
Peak Half Sine Wave Forward Current (A)
50
110100
Number Of Equal Amplit ude Half Cycle Curr ent Pulses (N)
Fig. 5 - Maximum Non-Repetitive Surge Current
400
Maxi mum Non Rep etiti ve Surge Cur rent
350
300
250
200
150
100
50
Peak Half Sine Wave For war d Current (A)
25F(R) Series
0
0.01 0.1 1 10
Versus Pulse Train Duration.
Pulse Train Durati on (s)
Initial T = 175°C
No Voltage Reapplied
Rated V Reapplied
RRM
J
T = 25°C
J
T = 175°C
10
Instantaneous Forward Current (A)
1
0 0.5 1 1.5 2 2.5 3 3.5 4
Instantaneous Forward Voltage (V)
J
25F(R) Series
Fig. 7 - Forward Voltage Drop Characteristics
10
Steady Stat e Value
R = 1.5 K/W
thJC
(DC Operation)
thJC
1
25F(R) Series
Transient Thermal Impedance Z (K/W)
0.1
0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 8 - Thermal Impedance Z
Characteristics
thJC
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Document Number: 93506
4 Revision: 29-Sep-08
25F(R) Series
Standard Recovery Diodes
ORDERING INFORMATION TABLE
Device code
25 F R 120 M
1 - Current rating: Code = I
2 - F = Standard device
3 - None = Stud normal polarity (cathode to stud)
4 - Voltage code x 10 = V
5
Vishay High Power Products
(Stud Version), 25 A
51324
F(AV)
R = Stud reverse polarity (anode to stud)
(see Voltage Ratings table)
RRM
- None = Stud base DO-203AA (DO-4) 10-32UNF-2A
M = Stud base DO-203AA (DO-4) M5 X 0.8
(not available for avalanche diodes)
LINKS TO RELATED DOCUMENTS
Dimensions http://www.vishay.com/doc?95311
Document Number: 93506 For technical questions, contact: ind-modules@vishay.com
Revision: 29-Sep-08 5
www.vishay.com
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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