C&H Technology 20ETS..FP SAFEIR Series - Manual (Page 4)

20ETS..FP
SAFE IR
Series
Bulletin I2134 rev. C 03/99
Fig. 1 - Current Rating Characteristics
Fig. 4 - Forward Power Loss Characteristics Fig. 3 - Forward Power Loss Characteristics
Fig. 2 - Current Rating Characteristics
70
80
90
100
110
120
130
140
150
0 2 4 6 8 10 12 14 16 18 20 22
30°
60°
90°
120°
180°
M
a
x
im
um
A
llow
ab
le C
as
e T
em
per
a
tur
e
(°C
)
Conduction Angle
Average Forward Current (A)
20ETS.. Series
R (DC) = 1.5 K/W
thJC
80
90
100
110
120
130
140
150
0 5 10 15 20 25 30 35
DC
30°
60°
90°
120°
180°
M
a
x
imu
m
A
llo
w
a
b
le
C
a
s
e
T
e
mp
e
ra
tu
re
(
°C
)
Conduction Period
Average Forward Current (A)
20ETS.. Series
R (DC) = 1.5 K/W
thJC
0
5
10
15
20
25
30
0 4 8 12 16 20 24
RMS Limit
180°
120°
90°
60°
30°
Conduction Angle
M
ax
im
um
A
v
er
a
ge F
or
w
ar
d P
ow
er
L
os
s
(W
)
Average Forward Current (A)
20ETS.. Series
T = 150°C
J
0
5
10
15
20
25
30
35
0 5 10 15 20 25
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
RMS Limit
M
a
x
im
u
m
A
v
er
ag
e F
o
rw
ar
d P
ow
e
r
L
os
s
(
W
)
Conduction Period
20ETS.. Series
T = 150°C
J
Fig. 6 - Maximum Non-Repetitive Surge Current
50
100
150
200
250
300
0.01 0.1 1
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
P
e
a
k
H
a
lf
S
in
e
Wav
e
F
o
rw
ar
d
C
u
rr
en
t (
A
)
Initial T = 150°C
No Voltage Reapplied
Rated V Reapplied
J
RRM
Versus Pulse Train Duration.
20ETS.. Series
50
100
150
200
250
300
1 10 100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
P
e
a
k
H
a
lf
S
in
e
Wav
e
F
o
rw
ar
d
C
u
rr
en
t (
A
)
Initial T = 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
20ETS.. Series
Fig. 5 - Maximum Non-Repetitive Surge Current
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