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參數(shù)資料
| 型號： | IRKDL450-S20 |
| 廠商： | International Rectifier |
| 英文描述： | High Power FAST Recovery Diode(高功率快速恢復(fù)二極管) |
| 中文描述： | 大功率快速恢復(fù)二極管（高功率快速恢復(fù)二極管） |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 100K |
| 代理商： | IRKDL450-S20 |
IRKDL450..S20 Series
2
Bulletin I27403 rev. A 09/97
www.irf.com
Code
(
μ
s)
(A)
(A/
μ
s)
(V)
(
μ
s)
(
μ
C)
(A)
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
Type number
Code
V
RRM
, maximum repetitive
peak reverse voltage
V
V
RSM
, maximum non-
repetitive peak rev. voltage
V
I
RRM
max.
@ T
max.
mA
16
1600
1700
IRKDL450..S20
20
25
2000
2500
2100
2600
50
I
F(AV)
Maximum average forward current
460
A
180° conduction, half sine wave
@ Case temperature
82
°C
I
F(RMS)
Maximum RMS forward current
720
A
180° conduction, half sine wave @ T
C
= 82°C
I
FSM
Maximum peak, one-cycle forward,
13.0
KA
t = 10ms
No voltage
non-repetitive surge current
13.8
t = 8.3ms
reapplied
11.1
t = 10ms
100% V
RRM
reapplied
11.8
t = 8.3ms
Sinusoidal half wave,
I
2
t
Maximum I
2
t for fusing
845
KA
2
s
t = 10ms
No voltage
Initial T
J
= T
J
max.
790
t = 8.3ms
reapplied
616
t = 10ms
100% V
RRM
reapplied
578
t = 8.3ms
I
2
√
t
Maximum I
2
√
t for fusing
8450
KA
2
√
s t = 0.1 to 10ms, no voltage reapplied
V
F(TO)1
Low level value of threshold voltage
1.16
V
(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.
(I >
π
x I
F(AV)
), T
J
= T
J
max.
I
pk
= 1800A, T
J
= 25°C, t
p
= 10ms sine pulse
V
F(TO)2
High level value of threshold voltage
1.62
r
f1
r
f2
V
FM
Low level value of forward slope resistance
0.68
m
High level value of forward slope resistance
0.41
Maximum forward voltage drop
2.20
V
Parameter
IRKDL450..
Units Conditions
Forward Conduction
V
INS
RMS isolation voltage
3000
V
t = 1 s
I
RRM
Maximum peak reverse and off-state
leakage current
50
mA
T
J
= T
J
max., rated V
RRM
applied
Parameter
IRKDL450..
Units Conditions
Blocking
Test conditions
Max. values @ T
J
= 150°C
Recovery Characteristics
S20
2.0
1000
100
- 50
4.0
400
180
T
J
= 25
o
C
typical t
rr
@ 25% I
RRM
I
pk
di/dt
V
r
t
rr
Q
rr
I
rr
Square Pulse
@ 25% I
RRM
t
I
FM
t
rr
Q
rr
I
RM
(REC)
di
dt
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