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FAST SOFT RECOVERY
RECTIFIER DIODE
1
Bulletin I2109 rev. B 03/99
QUIET
IR
Series
20ETF..
V
F
< 1.2V @ 10A
I
FSM
= 300A
V
RRM
200 to 600V
www.irf.com
Major Ratings and Characteristics
Characteristics
20ETF..
Units
I
F(AV)
Sinusoidal waveform
20
A
V
RRM
range
200 to 600
V
I
FSM
300
A
V
F
@
10 A, T
J
= 25C
1.2
V
trr
@ 1A, 100A/s
60
ns
T
J
range
- 40 to 150
C
TO-220AC
Description/Features
The 20ETF.. fast soft recovery
QUIET
IR
rectifier
series has been optimized for combined short
reverse recovery time and low forward voltage
drop.
The glass passivation ensures stable reliable
operation in the most severe temperature and
power cycling conditions.
Typical applications are both:
output rectification and freewheeling in
inverters, choppers and converters
and input rectifications where severe
restrictions on conducted EMI should be met.
Package Outline
2
20ETF..
QUIET
IR
Series
Bulletin I2109 rev. B 03/99
www.irf.com
I
F(AV)
Max. Average Forward Current
20
A
@ T
C
= 97 C, 180 conduction half sine wave
I
FSM
Max. Peak One Cycle Non-Repetitive
250
10ms Sine pulse, rated V
RRM
applied
Surge Current
300
10ms Sine pulse, no voltage reapplied
I
2
t
Max. I
2
t for fusing
316
10ms Sine pulse, rated V
RRM
applied
442
10ms Sine pulse, no voltage reapplied
I
2
t
Max. I
2
t for fusing
4420
A
2
s
t = 0.1 to 10ms, no voltage reapplied
Part Number
V
RRM
, maximum
V
RSM
, maximum non repetitive
I
RRM
peak reverse voltage
peak reverse voltage
150C
V
V
mA
20ETF02
200
300
20ETF04
400
500
5
20ETF06
600
700
Voltage Ratings
Absolute Maximum Ratings
Electrical Specifications
Recovery Characteristics
Parameters
20ETF..
Units
Conditions
A
A
2
s
V
FM
Max. Forward Voltage Drop
1.3
V
@ 20A, T
J
= 25C
r
t
Forward slope resistance
12.5
m
V
F(TO)
Threshold voltage
0.9
V
I
RM
Max. Reverse Leakage Current
0.1
T
J
= 25 C
5.0
T
J
= 150 C
Parameters
20ETF..
Units
Conditions
T
J
= 150C
V
R
= rated V
RRM
mA
t
rr
Reverse Recovery Time
160
ns
I
F
@ 20Apk
I
rr
Reverse Recovery Current
10
A
@ 100A/ s
Q
rr
Reverse Recovery Charge
1.25
C
@ 25C
S
Snap Factor tb/ta
0.6
typical
Parameters
20ETF..
Units
Conditions
ta
tb
trr
t
Ifm
dir
dt
Qrr
Irm (REC)
3
20ETF..
QUIET
IR
Series
Bulletin I2109 rev. B 03/99
www.irf.com
T
J
Max. Junction Temperature Range
- 40 to 150
C
T
stg
Max. Storage Temperature Range
- 40 to 150
C
R
thJC
Max. Thermal Resistance Junction
0.9
C/W
DC operation
to Case
R
thJA
Max. Thermal Resistance Junction
62
C/W
to Ambient
R
thCS
Typical Thermal Resistance, Case to
0.5
C/W
Mounting surface , smooth and greased
Heatsink
wt
Approximate Weight
2 (0.07)
g (oz.)
T
Mounting Torque
Min.
6 (5)
Max.
12 (10)
Case Style
TO-220AC
Thermal-Mechanical Specifications
Parameters
20ETF..
Units
Conditions
Kg-cm
(Ibf-in)
Fig. 1 - Current Rating Characteristics
Fig. 2 - Current Rating Characteristics
Fig. 3 - Forward Power Loss Characteristics
Fig. 4 - Forward Power Loss 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
i
m
u
m
A
l
lo
w
a
b
l
e C
a
s
e

Te
m
p
er
a
t
u
r
e (
C
)
Conduction Angle
Average Forward Current (A)
20ETF.. Series
R (DC) = 0.9 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
xi
mu
m A
l
l
o
w
a
b
l
e

C
a
s
e
T
e
mp
e
r
a
t
u
r
e
(
C
)
Conduction Period
Average Forward Current (A)
20ETF.. Series
R (DC) = 0.9 K/W
thJC
0
5
10
15
20
25
30
35
0
5
10
15
20
25
RMS Limit
180
120
90
60
30
Conduction Angle
Average Forward Current (A)
M
a
x
i
m
u
m
A
v
er
a
g
e
F
o
r
w
a
r
d

P
o
w
e
r
L
o
s
s
(
W
)
20ETF.. Series
T = 150C
J
0
5
10
15
20
25
30
35
40
45
0
5
10
15
20
25
30
35
DC
180
120
90
60
30
RMS Limit
Conduction Period
Average Forward Current (A)
M
a
x
i
m
u
m

A
v
e
r
ag
e
F
o
r
w
ar
d
P
o
w
e
r
L
o
ss (
W
)
20ETF.. Series
T = 150C
J
4
20ETF..
QUIET
IR
Series
Bulletin I2109 rev. B 03/99
www.irf.com
Fig. 8 - Recovery Time Characteristics, T
J
= 25C
Fig. 9 - Recovery Time Characteristics, T
J
= 150C
Fig. 7 - Forward Voltage Drop Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
50
100
150
200
250
300
1
10
100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
P
e
ak
Hal
f
S
i
ne

W
a
v
e
F
o
r
w
ar
d C
u
r
r
e
nt
(
A
)
Initial T = 150C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
20ETF.. Series
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
50
100
150
200
250
300
350
400
450
500
550
0.001
0.01
0.1
1
Pulse Train Duration (s)
P
e
ak
Hal
f

S
i
n
e
W
a
v
e
F
o
r
w
ar
d C
u
r
r
e
n
t
(
A
)
Versus Pulse Train Duration.
20ETF.. Series
Maximum Non Repetitive Surge Current
Initial T = 150C
No Voltage Reapplied
Rated V Reapplied
RRM
J
1
10
100
1000
0
1
2
3
4
5
T = 25C
J
Instantaneous Forward Voltage (V)
In
s
t
a
n
t
a
n
e
o
u
s

F
o
rw
a
r
d
C
u
rre
n
t
(
A
)
T = 150C
J
20ETF.. Series
0
0.05
0.1
0.15
0.2
0
200
400
600
800
1000
Rate Of Fall Of Forward Current - di/dt (A/s)
1 A
5 A
10 A
I = 30 A
20 A
M
a
x
i
m
u
m
R
e
v
e
rs
e
R
e
c
o
v
e
ry
T
i
m
e

-

T
r
r (
s)
20ETF.. Series
T = 25 C
J
FM
0
0.1
0.2
0.3
0.4
0.5
0
200
400
600
800
1000
Rate Of Fall Of Forward Current - di/dt (A/s)
1 A
5 A
10 A
I = 30 A
20 A
M
a
x
i
m
u
m
R
e
v
e
rs
e

R
e
c
o
v
e
ry
T
i
m
e

-
T
rr
(
s)
20ETF.. Series
T = 150 C
J
F M
5
20ETF..
QUIET
IR
Series
Bulletin I2109 rev. B 03/99
www.irf.com
Fig. 14 - Thermal Impedance Z
thJC
Characteristics
Fig. 12 - Recovery Current Characteristics, T
J
= 25C
Fig. 13 - Recovery Current Characteristics, T
J
= 150C
Fig. 10 - Recovery Charge Characteristics, T
J
= 25C
Fig. 11 - Recovery Charge Characteristics, T
J
= 150C
0
10
20
30
40
50
60
70
0
200
400
600
800
1000
M
a
x
i
m
u
m
R
e
v
e
rs
e

R
e
c
o
v
e
ry
C
u
r
r
e
n
t
-

Ir
r

(
A
)
Rate Of Fall Of Forward Current - di/dt (A/s)
1 A
5 A
10 A
I = 30 A
20 A
20ETF.. Series
T = 25 C
J
FM
0
20
40
60
80
100
0
200
400
600
800
1000
M
a
x
i
m
u
m

R
e
v
e
rs
e

R
e
c
o
v
e
ry
C
u
r
r
e
n
t
-
I
rr (
A
)
Rate Of Fall Of Forward Current - di/dt (A/ s)
1 A
5 A
10 A
I = 30 A
20 A
20ETF.. Series
T = 150 C
J
FM
0
0.5
1
1.5
2
2.5
3
3.5
4
0
200
400
600
800
1000
Rate Of Fall Of Forward Current - di/dt (A/s)
1 A
5 A
10 A
I = 30 A
20 A
M
a
x
i
m
u
m
R
e
ve
r
s
e
R
e
c
o
ve
r
y
C
h
a
r
g
e

-

Q
r
r

(
C
)
20ETF.. Series
T = 25 C
J
FM
0
1
2
3
4
5
6
7
8
9
10
0
200
400
600
800
1000
Rate Of Fall Of Forward Current - di/dt (A/s)
1 A
5 A
10 A
I = 30 A
20 A
M
a
x
i
m
u
m
R
e
v
e
rs
e
R
e
c
o
v
e
ry

C
h
a
r
ge
-

Q
rr (
C
)
20ETF.. Series
T = 150 C
J
FM
0.01
0.1
1
10
0.0001
0.001
0.01
0.1
1
Square Wave Pulse Duration (s)
th
J
C
Steady State Value
(DC Operation)
Tr
a
n
s
i
e
n
t

T
h
e
r
m
a
l
I
m
p
e
d
a
n
c
e

Z

(
K
/
W
)
20ETF.. Series
Single Pulse
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08