300HF(R) Series
Maximum Allowa ble Case T
emperature (°C)
300HF(R) S
eries
R
(DC) = 0.12 K/W
thJC
Maximum Allowable Cas T
e emperature (°C)
180
170
160
180
170
160
150
140
130
300HF(R S
) eries
R
thJC
(DC) = 0.12 K/W
Conduction Angle
Conduc tion Period
150
140
130
120
0
50
100
150 200
250
300
350
Average Forwa rd Current (A)
Fig. 1 - Current Ratings Characteristics
Maximum Average Forward Power Loss (W)
400
350
300
250
200
150
100
50
0
0
50
100
150
200
250
300
300HF(R S
) eries
T = 180°C
J
Conduction Angle
30°
60°
90°
120°
180°
90°
120
30°
110
0
100
200
300
400
500
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
60°
120°
180°
DC
180°
120°
90°
60°
30°
R Limit
MS
K/ W
0.1
0.2
A
R
th S
3
0.
W
K/
K/
W
0.
4
W
K/
. 05
=0
/
KW
0.
5
K/
W
lt a
- De
0.6
K/
W
R
0.8
K/
W
1.2 K
/W
0
350 20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient T
emperature (°C)
Average Forward Current (A)
Fig. 3 - Forward Power Loss Characteristics
Maximum Average Forward Power Loss (W)
600
/W
1K
0.
500
400
300
200
100
0
0
DC
180°
120°
90°
60°
30°
R
t h
A
S
0.
2K
/W
=
05
0.
W
K/
0.3
a
e lt
-D
K
/W
R
0.4
K/
W
R Limit
MS
Cond uction Period
0.6
KW
/
0.8
KW
/
1.2 K/ W
300HF(R S
) eries
T = 180°C
J
100
200
300
400
500 20 40
0
60 80 100 120 140 160 180
Average Forward Current (A)
Maximum Allowable Ambient T
emperature (°C)
Fig. 4 - Forward Power Loss Characteristics
IRF [ INTERNATIONAL RECTIFIER ]
