Bulletin I2014 02/05
300HF..L SERIES
STANDARD RECOVERY DIODES
"Lead-Free"
Stud Version
Features
Diffused glass passivate die
Popular series for rough service
Stud cathode and stud anode version
High surge capability
Very low V
F
I
F
= 300A
V
F
typ = 1.0 V
@ 1000A
T
J
max
Typical Applications
Welders
Power supplies
Motor controls
Battery chargers
General industrial current rectification
Major Ratings and Characteristics
Parameters
I
F(AV)
@ T
C
I
FSM
@ 50Hz
@ 60Hz
I
2
t
@ 50Hz
@ 60Hz
V
RRM
range
T
J
300HF
300
120
5700
5900
160
148
400 and 600
-40 to 180
Units
A
°C
A
A
KA
2
s
KA
2
s
V
°C
case style
DO-205AB (DO-9)
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300HF..L Series
Final I2014 02/05
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
Type number
300HF
V
RRM
, maximum repetitive
peak reverse voltage
V
400
600
V
RSM
, maximum non-
repetitive peak rev. voltage
V
500
700
I
RRM
max.
T
J
= 180°C
Code
40
60
mA
10
Forward Conduction
Parameter
I
F(AV)
I
FSM
Max. average forward current
@ Case temperature
Max. peak, one-cycle forward,
non-repetitive surge current
300HF
300
120
5700
5900
4800
5000
Units
A
°C
Conditions
180° conduction, half sine wave
t = 10ms
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
A
t = 8.3ms
t = 10ms
t = 8.3ms
t = 10ms
I
2
t
Maximum I
2
t for fusing
160
148
115
105
KA
2
s
t = 8.3ms
t = 10ms
t = 8.3ms
I
2
√t
Maximum I
2
√t
for fusing
1600
0.70
0.40
1.14
KA
2
√s
V
t = 0.1 to 10ms, no voltage reapplied
V
F(TO)
Max. value of threshold
voltage
r
f
Max. value of forward slope
resistance
V
FM
Max. peak forward voltage
T
J
= 180°C
mΩ
V
I
peak
= 942A, T
J
= 25°C
Thermal and Mechanical Specifications
Parameter
T
J
T
stg
R
thJC
R
thCS
T
wt
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 +0 -20%
Approximate weight
Case style
300HF
-40 to 180
-40 to 180
0.17
0.08
37
28
250
Units
°C
K/W
Nm
g
Conditions
DC operation
Mounting surface, smooth, flat and greased
Not lubricated threads
Lubricated threads
JEDEC (See Outline Table)
DO-205AB (DO-9)
2
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300HF..L Series
Bulletin I2014 02/05
Maximum Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)
180
170
160
150
140
130
120
110
100
90
80
0
30˚
300HF...L
RthJC (DC) = 0.17 K/W
180
170
160
150
140
130
120
110
100
90
80
0
100
30˚
300HF...L
RthJC (DC) = 0.17 K/W
Conduction Angle
Conduction Period
60˚
90˚
120˚
180˚
60˚
90˚
120˚
180˚
DC
50 100 150 200 250 300 350 400
Average Forward Current (A)
200
300
400
500
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
Maximum Average Forward Power Loss (W)
Fig. 1 - Current Ratings Characteristics
Maximum Average Forward Power Loss (W)
450
400
350
300
250
200
150
100
50
0
0
50 100 150 200 250 300 350
Average Forward Current (A)
Fig. 3 - Forward Power Loss Characteristics
Conduction Angle
RMS Limit
450
400
350
300
250
200
150
100
50
0
0
50
100 150 200 250 300 350
Average Forward Current (A)
Fig. 4 - Forward Power Loss Characteristics
Conduction Angle
RMS Limit
180˚
120˚
90˚
60˚
30˚
180˚
120˚
90˚
60˚
30˚
300HF...L
Tj = 180˚C
300HF...L
Tj = 180˚C
Peak Half Sine Wave Forward Current (A)
Peak Half Sine Wave On-state Current (A)
5500
5000
4500
4000
3500
3000
2500
2000
1500
1
At Any Rated Load Condition And With
Rated Vrrm Applied Following Surge.
Initial Tj = 180˚C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
6000
5500
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
Initial Tj = 180˚C
5000
No Voltage Reapplied
4500
Rated Vrrm Reapplied
4000
3500
3000
2500
2000
1500
1000
300HF...L
500
0.01
0.1
300HF...L
10
100
1
10
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Pulse Train Duration(s)
Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 5 - Maximum Non-Repetitive Surge Current
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300HF..L Series
Final I2014 02/05
Instantaneous Forward Current (A)
10000
300HF...L
1000
Tj = 180˚C
Tj = 25˚C
100
0.6
0.8
1
1.2
1.4
1.6
Instantaneous Forward Voltage (V)
Fig. 7 - Forward Voltage Drop Characteristics
Transient Thermal Impedance Z
thJC
(K/W)
1
Steady State Value
RthJC = 0.17 K/W
(DC Operation)
0.1
0.01
300HF...L
0.001
0.0001
0.001
0.01
0.1
1
10
Square Wave Pulse Duration (s)
Fig. 8 - Thermal Impedance Z
thJC
Characteristic
4
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300HF..L Series
Bulletin I2014 02/05
Outlines Table
* FOR METRIC DEVICE: M16 X 1.5
CONTACT FACTORY
Conforms to JEDEC DO-205AB (DO-9)
All dimensions in millimeters (inches)
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