Vishay High Power Products
Standard Recovery Diodes
(Stud Version), 70 A
FEATURES
• High surge current capability
• Designed for a wide range of applications
• Stud cathode and stud anode version
• Leaded version available
• Types up to 1600 V V
• Compliant to RoHS directive 2002/95/EC
• Designed and qualified for industrial level
70HF(R) Series
RRM
DO-203AB (DO-5)
PRODUCT SUMMARY
I
F(AV)
70 A
MAJOR RATINGS AND CHARACTERISTICS
PARAMETER TEST CONDITIONS
I
F(AV)
I
F(RMS)
I
FSM
2
t
I
V
RRM
T
J
T
C
50 Hz 1200
60 Hz 1250
50 Hz 7100
60 Hz 6450
Range 100 to 1200 1400/1600 V
ELECTRICAL SPECIFICATIONS
VOLTAGE RATINGS
V
, MAXIMUM
TYPE
NUMBER
70HF(R)
VOLTAGE
CODE
10 100 200 200
20 200 300 300
40 400 500 500
60 600 720 725
80 800 960 950
100 1000 1200 1150
120 1200 1440 1350
140 1400 1650 1550
160 1600 1900 1750
RRM
REPETITIVE PEAK
REVERSE VOLTAGE
V
TYPICAL APPLICATIONS
• Converters
• Power supplies
• Machine tool controls
• Battery charges
70HF(R)
10 TO 120 140/160
70 70 A
140 110 °C
110 A
- 65 to 180 - 65 to 150 °C
V
, MAXIMUM
RSM
NON-REPETITIVE PEAK
REVERSE VOLTAGE
V
V
, MINIMUM
R(BR)
AVALANCHE
VOLTAGE
V
AT T
UNITS
A
A2s
I
MAXIMUM
RRM
= TJ MAXIMUM
J
mA
15
9
4.5
70HF(R) Series
Vishay High Power Products
Standard Recovery Diodes
(Stud Version), 70 A
FORWARD CONDUCTION
PARAMETER SYMBOL TEST CONDITIONS
Maximum average forward current
at case temperature
Maximum RMS forward current I
Maximum peak, one cycle forward,
non-repetitive surge current
Maximum I
Maximum I
2
t for fusing I2t
2
√t for fusing I2√t t = 0.1 ms to 10 ms, no voltage reapplied 71 000 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)
I
FSM
F(TO)1
F(TO)2
r
f1
r
f2
FM
180° conduction, half sine wave
t = 10 ms
t = 8.3 ms 1250
t = 10 ms
t = 8.3 ms 1050
t = 10 ms
t = 8.3 ms 6450
t = 10 ms
t = 8.3 ms 4550
(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
RRM
reapplied
No voltage
reapplied
100 % V
RRM
reapplied
< I < π x I
F(AV)
), TJ = TJ maximum 1.00
F(AV)
< I < π x I
F(AV)
), TJ = TJ maximum 1.53
F(AV)
F(AV)
F(AV)
Ipk = 220 A, TJ = 25 °C, tp = 400 µs rectangular wave 1.35 1.46 V
10 TO 120 140/160
140 110 °C
Sinusoidal half wave,
initial T
=
J
maximum
T
J
), TJ = TJ maximum 0.79
), TJ = TJ maximum 2.33
70HF(R)
70 A
110 A
1200
1000
7100
5000
UNITS
A
A2s
V
mΩ
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS
Maximum junction and
storage temperature range
Maximum thermal resistance,
junction to case
Thermal resistance,
case to heatsink
Maximum allowable mounting
torque (+ 0 %, - 10 %)
, T
T
J
Stg
R
thJC
R
thCS
DC operation 0.45
Mounting surface, smooth, flat and greased 0.25
Not lubricated thread, tighting on nut
Lubricated thread, tighting on nut
Not lubricated thread, tighting on hexagon
Lubricated thread, tighting on hexagon
(1)
(1)
(2)
(2)
Approximate weight
Case style See dimensions - link at the end of datasheet DO-203AB (DO-5)
Notes
(1)
Recommended for pass-through holes
(2)
Recommended for holed threaded heatsinks
70HF(R)
10 TO 120 140/160
- 65 to 180 - 65 to 150 °C
3.4
(30)
2.3
(20)
4.2
(37)
3.2
(28)
17 g
0.6 oz.
UNITS
K/W
N · m
(lbf · in)
70HF(R) Series
Standard Recovery Diodes
Vishay High Power Products
(Stud Version), 70 A
ΔR
Note
• The table above shows the increment of thermal resistance R
CONDUCTION
thJC
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180°
120°
90°
60°
30°
180
170
160
150
70HF(R) Series (100V to 1200V)
R (DC) = 0.45 K/W
thJC
0.08 0.06
0.10 0.11
0.13 0.14
0.19 0.20
0.30 0.30
when devices operate at different conduction angles than DC
thJC
Conduction Angl e
150
140
130
120
T
= TJ maximum K/W
J
70HF(R) Series (1400V to 1600V)
R (DC) = 0.45 K/W
thJC
Conduct ion Angle
140
Maximum Allo wabl e Case Temper ature (° C)
130
0 1020304050607080
30°
Average Forward Current (A)
60°
90°
120°
Fig. 1 - Current Ratings Characteristics
180
170
160
150
140
130
Maximu m All owa ble Cas e Temp er at ure ( °C)
120
020406080100120
70HF(R) Series (100V to 1200V)
R (DC) = 0.45 K/W
thJC
Conducti on Period
90°
60°
30°
Average Forward Current (A)
120°
180°
Fig. 2 - Current Ratings Characteristics
DC
180°
110
Maximum Allowable Ca se Temperatu re (° C)
100
0 1020304050607080
30°
Average Forward Current (A)
60°
90°
120°
Fig. 3 - Current Ratings Characteristics
150
140
130
120
110
100
Maxi mum All owable Case Temper at ure (°C)
90
0 20406080100120
70HF(R) Series (14 00V t o 1600V)
R (DC) = 0.45 K/W
thJC
Conduction Per iod
90°
60°
30°
Average Forward Current (A)
120°
180°
Fig. 4 - Current Ratings Characteristics
180°
DC
70HF(R) Series
Vishay High Power Products
90
80
70
60
50
40
30
20
10
Maximum Average Forward Power Loss (W)
0
0 1020304050607080
120
100
80
60
RMS Limi t
40
20
Maximum Averag e Forward Power Los s (W)
0
0 20 40 60 80 100 120
180°
120°
90°
60°
30°
RMS Limi t
Average Forward Current (A)
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
Standard Recovery Diodes
(Stud Version), 70 A
0
0
.
.
5
7
1
1
.
5
K
/
W
2
K
/
W
3
K
/
W
4
K
/W
Conducti on Angle
70HF(R) Series
5
K
/
W
(100V t o 120 0V)
T = 180°C
J
0 20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
Fig. 5 - Forward Power Loss Characteristics
0
.
7
K
1K
/
W
/
W
1
.
5
K
/
W
2
K
/
W
3
K
/
Conduct ion Peri od
W
5
K
/
W
70HF(R) Series
(100V to 1200V)
T = 180°C
J
020406080100120140160180
Maximum Allowable Ambient Temperature (°C)
Fig. 6 - Forward Power Loss Characteristics
K
K
K
/
/
/
W
W
R
0.5
t
h
SA
K
/
W
=
0
R
t
h
S
A
W
=
0
.
3
K
/
W
D
e
l
t
a
R
.
3
K
/
W
D
e
l
t
a
R
90
80
70
60
50
180°
120°
90°
60°
30°
RMS Li mit
40
30
20
10
Maximum Average Forward Power Loss (W)
0
0 1020304050607080
Conducti on Angle
70HF(R) Series
(1400V to 1600V)
T = 150°C
J
Average Forward Current (A)
Fig. 7 - Forward Power Loss Characteristics
R
0
.
t
5
h
0
.
S
K
7 K
1 K/W
1
.
5K
/
W
2
K
/
W
3
K
/
W
4
K
/
W
5
K
/W
A
/
W
=
/
W
0
.
3
K
/
W
D
e
l
t
a
R
0255075100125150
Maximum All owable Ambien t Temperature (°C)
70HF(R) Series
Standard Recovery Diodes
(Stud Version), 70 A
120
100
80
60
40
20
Maximum Average Forward Power Loss (W)
0
020406080100120
1100
1000
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
900
800
700
600
500
70HF(R) Series
400
Peak Hal f Sine Wave Fo rward Curr ent (A)
300
110100
Number Of Equal Amplitude Half Cy cle Current Pul ses (N)
DC
180°
120°
90°
60°
30°
RMS Limi t
Average Forward Current (A)
Fig. 8 - Forward Power Loss Characteristics
Initial T = T Max.
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
J
Conducti on Period
70HF(R) Series
(1400V to 1600V)
T = 150°C
J
Vishay High Power Products
R
0
.
thS
5
K
0
.
7
1
K
/
W
1
.
5
K
2
K/
W
3
K
/
W
5
K
/
W
0255075100125150
Maximum All owable Ambien t Temperature (°C)
A
/
W
K
/
W
/
W
=
0
.
3
K
/
W
D
e
l
t
a
R
1000
100
10
Instantaneous Forwar d Current (A)
1
0 0.5 1 1.5 2 2.5 3
70HF(R) Series
Instantaneous Fo rward Volta ge (V)
T = 25°C
J
T = T Max.
J
J
Fig. 9 - Maximum Non-Repetitive Surge Current
1200
Maximu m Non Repe ti tive Surge Current
1100
1000
900
Versus Pulse Train Duration.
Initial T = T Max.
No Voltage Reapplied
Rated V Reapplied
RRM
J
J
800
700
600
500
400
70HF(R) Series
300
Peak Half Sine Wave Forwar d Current ( A)
200
0.01 0.1 1
Pulse Train Duration (s)
Fig. 10 - Maximum Non-Repetitive Surge Current
Fig. 11 - Forward Voltage Drop Characteristics
10
Steady St ate Value
R = 0.45 K/W
thJC
(DC Operation)
1
thJC
0.1
0.01
70HF(R) Series
Transient Thermal Impedance Z (K/W)
0.001
0.0001 0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
Fig. 12 - Thermal Impedance Z
Characteristics
thJC
70HF(R) Series
Vishay High Power Products
Fig. 13 - Forward Voltage Drop Characteristics
ORDERING INFORMATION TABLE
Device code
Standard Recovery Diodes
(Stud Version), 70 A
70 HF R 160 M
51324
- 70 = Standard device
1
71 = Not isolated lead
72 = Isolated lead with silicone sleeve
(red = Reverse polarity)
(blue = Normal polarity)
- HF = Standard diode
2
None = Stud normal polarity (cathode to stud)
-
3
R = Stud reverse polarity (anode to stud)
- Voltage code x 10 = V
4
None = Stud base DO-203AB (DO-5) 1/4" 28UNF-2
-
5
M = Stud base DO-203AB (DO-5) M6 x 1
RRM
(see Voltage Ratings table)
A
DO-203AB (DO-5) for 70HF(R) and 71HF(R) Series
DIMENSIONS FOR 70HF(R) SERIES in millimeters (inches)
Ø 14.6 (0.57)
6.1/7
(0.24/0.27)
4 (0.16)
4 (0.16) MIN.
25.4 (1) MAX.
10.8 (0.42)
11.4 (0.45)
Outline Dimensions
Vishay High Power Products
11.1 ± 0.4
(0.44 ± 0.02)
1.20 (0.04)
1/4" 28UNF-2A
for metric devices: M6 x 1
17.40 (0.68)
Outline Dimensions
Vishay High Power Products
DO-203AB (DO-5) for
70HF(R) and 71HF(R) Series
DIMENSIONS FOR 71HF(R) SERIES in millimeters (inches)
12.2 (0.48) MAX.
123 (4.84)
134.4 (5.29)
MAX.
MAX.
Ø 7 (0.28) MAX.
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.
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