20ETF Datasheet, PDF (3/7 Pages) International Rectifier – FAST SOFT RECOVERY

20ETF.. Soft Recovery Series
Fast Soft Recovery _{Vishay High Power Products}
Rectifier Diode, 20 A
150
20ETF.. Series
R_thJC (DC) = 0.9 K/W
140
130
Ø
Conduction angle
120
110
100
0
30°
60°
90°
120°
180°
5
10
15
20
25
Average Forward Current (A)
Fig. 1 - Current Rating Characteristics
35
180°
30
120°
90°
25
60°
30°
20
RMS limit
15
10
Ø
Conduction period
5
20ETF.. Series
T_J = 150 °C
0
0
5
10
15
20
25
Average Forward Current (A)
Fig. 4 - Forward Power Loss Characteristics
150
20ETF.. Series
R_thJC (DC) = 0.9 K/W
140
Ø
130
Conduction period
120
110
100
0
60°
90°
30°
120°
180°
DC
5 10 15 20 25 30 35
Average Forward Current (A)
Fig. 2 - Current Rating Characteristics
350
At any rated load condition and with
rated V_RRM applied following surge.
300
Initial T_J = 150 °C
at 60 Hz 0.0083 s
250
at 50 Hz 0.0100 s
200
150
100
20ETF.. Series
50
1
10
100
Number of Equal Amplitude Half Cycle
Current Pulses (N)
Fig. 5 - Maximum Non-Repetitive Surge Current
35
180°
30
120°
90°
25
60°
30°
20
RMS limit
15
10
Ø
Conduction angle
5
20ETF.. Series
T_J = 150 °C
0
0
5
10
15
20
25
Average Forward Current (A)
Fig. 3 - Forward Power Loss Characteristics
400
Maximum non-repetitive surge current
350
versus pulse train duration.
Initial T_J = 150 °C
300
No voltage reapplied
Rated V_RRM reapplied
250
200
150
100
20ETF.. Series
50
0.01
0.1
1
Pulse Train Duration (s)
Fig. 6 - Maximum Non-Repetitive Surge Current
Document Number: 93140
Revision: 12-Jun-08
For technical questions, contact: [e-mail]
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