Bulletin I20202 rev. A 05/98
70HF(R) SERIES
STANDARD RECOVERY DIODES
Stud Version
Features
High surge current capability
Designed for a wide range of applications
Stud cathode and stud anode version
Leaded version available
Types up to 1600V V
RRM
70 A
TypicalApplications
Battery charges
Converters
Power supplies
Machine tool controls
Major Ratings and Characteristics
70HF(R)
Parameters
I
F(AV)
@ T
C
I
F(RMS)
I
FSM
@ 50Hz
@ 60Hz
I
2
t
@ 50Hz
@ 60Hz
V
RRM
T
J
range
range
100 to 1200
- 65 to 180
10 to 120
70
140
110
1200
1250
7100
6540
140 to 160
70
110
Units
A
°C
A
A
A
A
2
s
A
2
s
1400 to 1600
- 65 to 150
V
°C
case style
DO-203AB (DO-5)
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1
70HF(R) Series
Bulletin I20202 rev. A 05/98
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Type number
Voltage
Code
V
RRM
, maximum
repetitive peak
reverse voltage
V
100
200
400
600
800
1000
1200
1400
1600
V
RSM
, maximum non-
repetitive peak
reverse voltage
V
200
300
500
720
960
1200
1440
1650
1900
V
R(BR)
, minimum
avalanche
voltage
V
(1)
--
--
500
725
950
1150
1350
1550
1750
I
RRM
max.
@ T
J
= T
J
max.
mA
15
10
20
40
60
70HF(R)
80
100
120
140
160
9
4.5
(1)
Avalanche version only available from V
RRM
400V to 1600V.
Forward Conduction
Parameter
I
F(AV)
Max. average forward current
@ Case temperature
I
F(RMS)
Max. RMS forward current
P
R
I
FSM
Maximum non-repetitive
peak reverse power
Max. peak, one-cycle forward,
non-repetitive surge current
1200
1250
1000
1050
I t
2
70HF(R)
Units Conditions
10 to 120 140 to 160
70
140
110
20
70
110
A
°C
A
K
·
W
DC @ T
C
= 25°C
10µs square pulse, T
J
= T
J
max.
see note (2)
t = 10ms
A
t = 8.3ms
t = 10ms
t = 8.3ms
t = 10ms
A
2
s
t = 8.3ms
t = 10ms
t = 8.3ms
A
√s
2
180° conduction, half sine wave
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
Maximum I t for fusing
2
7100
6450
5000
4550
I
√
t
2
Maximum I
√t
for fusing
2
71000
0.79
t = 0.1 to 10ms, no voltage reapplied
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
V
F(TO)1
Low level value of threshold
voltage
V
F(TO)2
High level value of threshold
voltage
r
f
1
V
1.00
(I >
π
x I
F(AV)
), T
J
= T
J
max.
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
mΩ
1.53
1.35
V
(I >
π
x I
F(AV)
), T
J
= T
J
max.
I = 220A, T
J
= 25°C, t = 10ms sinusoidal wave
pk
p
Low level value of forward
slope resistance
2.33
r
f
2
High level value of forward
slope resistance
V
FM
Max. forward voltage drop
(2)
Available only for Avalanche version, all other parameters the same as 70HF.
2
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70HF(R) Series
Bulletin I20202 rev. A 05/98
Thermal and Mechanical Specifications
Parameter
T
J
T
stg
R
thJC
R
thCS
T
Max. junction operating temperature range
Max. storage temperature range
Max. thermal resistance, junction to case
Max. thermal resistance, case
to heatsink
Max. allowed mounting torque ±10%
70HF(R)
10 to 120
140 to 160
-65 to 180
-65 to 180
-65 to 150
-65 to 150
Units
°C
Conditions
0.45
0.25
2.3 - 3.4
20 - 30
K/W
Nm
lbf
·
in
g (oz)
DC operation
Mounting surface, smooth, flat and
greased
Not lubricated threads
wt
Approximate weight
Case style
17 (0.6)
DO-203AB (DO5)
See Outline Table
∆R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
Conduction angle
180°
120°
90°
60°
30°
Sinusoidal conduction Rectangular conduction Units
0.08
0.10
0.13
0.19
0.30
0.06
0.11
0.14
0.20
0.30
K/W
Conditions
T
J
= T
J
max.
Ordering Information Table
Device Code
70
1
1
-
70 = Standard device
71 = Not isolated lead
HF
2
R
3
160
4
M
5
72 = Isolated lead with silicone sleeve
(Red = Reverse polarity)
(Blue = Normal polarity)
2
-
HF
HA
3
-
= Standard diode
= Avalanche diode
None = Stud Normal Polarity (Cathode to Stud)
R
= Stud Reverse Polarity (Anode to Stud)
4
5
-
-
Voltage code: Code x 10 = V
RRM
(See Voltage Ratings table)
None = Stud base DO-203AB (DO-5) 1/4" 28UNF-2A
M
= Stud base DO-203AB (DO-5) M6 X 1 - (Not available for Avalanche diodes)
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70HF(R) Series
Bulletin I20202 rev. A 05/98
Outlines Table
70HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
71HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
4
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70HF(R) Series
Bulletin I20202 rev. A 05/98
Maximum Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)
180
70HF(R) Series (100V to 1200V)
R
thJC
(DC) = 0.45 K/W
170
180
170
160
Conduction Period
70HF(R) Series (100V to 1200V)
R
thJC
(DC) = 0.45 K/W
160
Conduction Angle
150
140
90°
130
30°
120
0
20
40
60
80
100
120
Average Forward Current (A)
60°
120°
180°
DC
150
140
60°
30°
130
0
10
20
30
40
90°
120°
180°
70
80
50
60
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
150
70HF(R) Series (1400V to 1600V)
R
thJC
(DC) = 0.45 K/W
140
150
140
130
Fig. 2 - Current Ratings Characteristics
Maxim
um Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)
70HF(R) Series (1400V to 1600V)
R
thJC
(DC) = 0.45 K/W
130
Conduction Angle
Conduction Period
120
110
90°
100
30°
90
0
20
40
60
80
100
120
Average Forward Current (A)
60°
120°
180°
DC
120
110
60°
30°
100
0
10
20
30
40
90°
120°
180°
60
70
80
50
Average Forward Current (A)
Fig. 3 - Current Ratings Characteristics
90
80
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
0
20
40 60
Conduction Angle
Fig. 4 - Current Ratings Characteristics
Maximum Average Forward Power Loss (W)
180°
120°
90°
60°
30°
RMS Limit
R
th
W
K/
0.5
W
K/
0.7
1
/W
K
1.
5
SA
K/
W
K/W
.3
=0
2K
/W
R
elta
-D
3K
/W
4K
/W
5K
/W
70HF(R) Series
(100V to 1200V)
T = 180°C
J
80 100 120 140 160 180
Average Forward Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 5 - Forward Power Loss Characteristics
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