Features
High current carrying capability
High surge current capability
Types up to 1200V V
RRM
Stud cathode and stud anode version
Standard JEDEC types
Diffused junction
Typical Applications
Battery chargers
Converters
Power supplies
Machine tool controls
I
F(AV)
300
A
@ T
C
125
°C
I
F(RMS)
470
A
I
FSM
@
50Hz
5000
A
@ 60Hz
5200
A
I
2
t
@
50Hz
125
KA
2
s
@ 60Hz
113
KA
2
s
V
RRM
range
400 to 1200
V
T
J
-40 to 180
°C
Parameters
300HF(R)
Units
Major Ratings and Characteristics
case style
DO-205AB (DO-9)
300HF(R) SERIES
300A
STANDARD RECOVERY DIODES
Stud Version
Bulletin I2021/A
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300HF(R) Series
Voltage
V
RRM
, maximum repetitive
V
RSM
, maximum non-
I
RRM
max.
Type number
Code
peak voltage
repetitive peak voltage
@ 180°C
V
V
mA
40
400
500
300HF(R)
80
800
900
20
120
1200
1300
ELECTRICAL SPECIFICATIONS
Voltage Ratings
I
F(AV)
Max. average forward current
300
A
180° conduction, half sine wave
@ Case temperature
125
°C
I
F(RMS)
Max. RMS forward current
470
A
DC @ 118°C case temperature
I
FSM
Max. peak, one-cycle forward,
5000
t = 10ms
No voltage
non-repetitive surge current
5200
t = 8.3ms
reapplied
3800
t = 10ms
100% V
RRM
4000
t = 8.3ms
reapplied
Sinusoidal half wave,
I
2
t
Maximum I
2
t for fusing
125
t = 10ms
No voltage
Initial T
J
= T
J
max
113
t = 8.3ms
reapplied
72
t = 10ms
100% V
RRM
66
t = 8.3ms
reapplied
I
2
√
t
Maximum I
2
√
t for fusing
1250
KA
2
√
s
t = 0.1 to 10ms, no voltage reapplied
V
F(TO)1
Low level value of threshold
voltage
V
F(TO)2
High level value of threshold
voltage
r
f1
Low level value of forward
slope resistance
r
f2
High level value of forward
slope resistance
V
FM
Max. forward voltage drop
1.38
V
I
FM
=
π
x I
F(AV)
, T
J
= 25 °C, t
p
= 10ms sinusoidal wave
Parameter
300HF(R)
Units Conditions
Forward Conduction
0.86
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
0.89
(I >
π
x I
F(AV)
), T
J
= T
J
max.
0.48
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
0.46
(I >
π
x I
F(AV)
), T
J
= T
J
max.
KA
2
s
A
V
m
Ω
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300HF(R) Series
Parameter
300HF(R)
Units
Conditions
°C
T
J
Max. operating temperature range
-40 to 180
T
stg
Max. storage temperature range
-55 to 180
R
thJC
Max. thermal resistance, junction to case
0.12
DC operation
R
thCS
Max. thermal resistance, case to heatsink
0.05
Mounting surface, smooth, flat and greased
T
Max. allowed mounting torque +0 -20%
28
Not lubricated threads
22
Lubricated threads
wt
Approximate weight
250
g
Case style
DO-205AB(DO-9)
See Outline Table
K/W
Nm
Thermal and Mechanical Specification
∆
R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
180°
0.030
0.022
T
J
= T
J
max.
120°
0.035
0.037
90°
0.045
0.048
K/W
60°
0.064
0.066
30°
0.104
0.105
Conduction angle
Sinusoidal conduction
Rectangular conduction Units
Conditions
Ordering Information Table
300
HF
R
120
P
B
1
4
5
2
3
6
Device Code
1
-
Essential Part Number
2
-
Diode
3
-
None = Stud Normal Polarity (Cathode to Stud)
R = Stud Reverse Polarity (Anode to Stud)
4
-
Voltage code: Code x 10 = V
RRM
(See Voltage Ratings table)
5
-
P = Stud base DO-205AB(DO-9) 3/4" 16UNF-2A
M = Stud base DO-205AB(DO-9) M16 x 1.5
6
-
B = Flag top terminals (for Cathode/ Anode Leads)
S = Isolated lead with silicone sleeve
(Red = Reverse Polarity; Blue = Normal Polarity)
None = Not isolated lead
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300HF(R) Series
Outline Table
Conform to JEDEC DO-205AB (DO-9)
All dimensions in millimeters (inches)
DO-205AB (DO-9) Flag
All dimensions in millimeters (inches)
M
AX.
GLASS-METAL SEAL
MAX.
M
AX.
2
1
(
0
.8
2
)
MA
X
.
19 (0.75)
9
.5 (
0
.3
7)
M
IN
.
DIA. 8.5 (0.33) NOM.
7
5
(2
.9
5
) MI
N
.
DIA. 28.5 (1.08) MAX.
2
8
.5
(
1
.1
2
)
1
0
(
0
.3
9
)
SW 32
* FOR METRIC DEVICE: M16 X 1.5
20
0
(7
.8
7)
±
1
0
(
0
.3
9
)
3/4-16UNF-2A*
C.S. 25mm
4 (0.16) MAX.
39
(
1
.5
3
)
MA
X
.
2
(0.039 s.i.)
MA
X
.
GLASS-METAL SEAL
MA
X
.
2
1
(
0
.83)
MA
X
.
DIA. 28.5 (1.12) MAX.
28.
5 (
1
.1
2)
10 (
0
.39)
21 (0.83)
14 (0.55)
DIA. 6.5 (0.26)
3
(
0
.12)
32 (
1
.2
6
)
3/4"-16UNF-2A*
*FOR METRIC DEVICE: M16 X 1.5
7
0
(
2
.75)
M
A
X
.
1
3
(
0
.51)
62 (
2
.4
4
)
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300HF(R) Series
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
0
20
40
60
80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
R
=
0
.0
5 K
/ W
- D
e
lta
R
th
SA
0
.1
K
/W
0.2
K
/W
0.3
K/
W
0.4
K/W
0.6 K
/ W
0.8 K
/ W
1.2 K/ W
0
100
200
300
400
500
600
0
100
200
300
400
500
DC
180°
120°
90°
60°
30°
RMS Limit
Cond uction Period
M
a
xi
m
u
m
A
v
er
age
F
o
rw
ar
d P
o
w
e
r L
o
ss
(
W
)
Average Forward Current (A)
300HF(R) Series
T = 180°C
J
120
130
140
150
160
170
180
0
50
100
150
200
250
300
350
30°
60°
90°
120°
180°
Average Forwa rd Current (A)
Conduction Angle
M
a
xi
mu
m A
llo
w
a
b
le
C
a
se
T
e
mp
e
ra
tu
re
(°
C
)
300HF(R) Series
R (DC) = 0.12 K/W
thJC
Fig. 4 - Forward Power Loss Characteristics
Fig. 3 - Forward Power Loss Characteristics
110
120
130
140
150
160
170
180
0
100
200
300
400
500
DC
30°
60°
90°
120°
180°
Conduc tion Period
M
a
x
im
u
m
A
llo
w
abl
e
C
a
se
T
e
m
per
at
u
re
(
°C
)
Average Forward Current (A)
300HF(R) Series
R (DC) = 0.12 K/W
thJC
0
20
40
60
80 100 120 140 160 180
Maximum Allowable Ambient Temperature (°C)
0.3
K
/ W
0.4
K
/ W
0.5
K/
W
0.6
K/ W
0.8 K
/W
R
=
0
.0
5
K
/W
-
D
e
lta
R
0.2
K
/ W
0
.1
K
/W
1.2 K/W
th
SA
0
50
100
150
200
250
300
350
400
0
50
100
150
200
250
300
350
180°
120°
90°
60°
30°
RMS Limit
Conduction Angle
M
a
xi
m
u
m
A
v
e
rage
F
o
rw
ar
d
P
o
w
e
r L
o
ss
(
W
)
Average Forward Current (A)
300HF(R) Series
T = 180°C
J
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300HF(R) Series
Fig. 8 - Thermal Impedance Z
thJC
Characteristic
0.001
0.01
0.1
1
0.001
0.01
0.1
1
10
Sq ua re Wa ve Pulse Duratio n (s)
thJ
C
Tr
an
si
en
t T
h
e
rm
a
l I
m
pe
da
n
c
e
Z
(K
/W
)
300HF(R) Series
St ead y Sta te Value:
R = 0.12 K/ W
(DC Op e ra tion)
thJC
10
100
1000
10000
0.5
1
1.5
2
2.5
3
3.5
T = 25°C
J
Instantaneous Forward Voltage (V)
In
st
a
n
ta
n
eous
F
o
rw
a
rd
C
u
rr
ent
(
A
)
300HF(R) Series
T = 180°C
J
1000
1500
2000
2500
3000
3500
4000
4500
1
10
100
Number Of Equa l Amplitude Half Cyc le Current Pulses (N)
P
e
ak
H
a
lf
S
in
e
W
a
v
e
F
o
rw
ar
d C
u
rr
e
n
t
(A
)
300HF(R) Series
Initial T = 180 °C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Ra ted Load Condition And With
Rated V Applied Following Surge.
RRM
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
0.01
0.1
1
Pulse Train Duration (s)
P
eak
H
a
lf
S
ine
W
a
v
e
F
o
rw
a
rd C
u
rr
e
n
t (
A
)
Initial T = 180°C
No Voltage Reapplied
Rated V Reapplied
RRM
Versus Pulse Tra in Duration.
Maximum Non Repetitive Surge Current
J
300HF(R) Series
Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 7 - Forward Voltage Drop Characteristics
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