300HF(R) Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Type number
Voltage
Code
40
300HF(R)
80
120
V
RRM
, maximum repetitive
peak voltage
V
400
800
1200
V
RSM
, maximum non-
repetitive peak voltage
V
500
900
1300
I
RRM
max.
@ 180°C
mA
20
Forward Conduction
Parameter
I
F(AV)
Max. average forward current
@ Case temperature
I
F(RMS)
Max. RMS forward current
I
FSM
Max. peak, one-cycle forward,
non-repetitive surge current
300HF(R)
300
125
470
5000
5200
Units Conditions
A
°C
A
DC @ 118°C case temperature
t = 10ms
t = 8.3ms
A
t = 10ms
t = 8.3ms
t = 10ms
KA
2
s
t = 8.3ms
t = 10ms
t = 8.3ms
KA
2
√s
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max
180° conduction, half sine wave
3800
4000
I
2
t
Maximum I
2
t for fusing
125
113
72
66
I
2
√t
Maximum I
2
√t
for fusing
1250
0.86
V
0.89
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.
(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.
V
F(TO)1
Low level value of threshold
voltage
V
F(TO)2
High level value of threshold
voltage
r
f1
r
f2
V
FM
Low level value of forward
slope resistance
High level value of forward
slope resistance
Max. forward voltage drop
0.48
mΩ
0.46
1.38
V
(I >
π
x I
F(AV)
), T
J
= T
J
max.
I
FM
=
π
x I
F(AV)
, T
J
= 25 °C, t
p
= 10ms sinusoidal wave
IRF [ INTERNATIONAL RECTIFIER ]
