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W0428RE320

Rectifier Diode,

器件类别:分立半导体    二极管   

厂商名称:Littelfuse

厂商官网:http://www.littelfuse.com

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器件参数
参数名称
属性值
厂商名称
Littelfuse
Reach Compliance Code
unknown
二极管类型
RECTIFIER DIODE
文档预览
Date:- 4
th
Jan, 2018
Data Sheet Issue:- 2
Rectifier Diode
Type W0428##250-320
Development Type No.: WX171##250-320
Absolute Maximum Ratings
VOLTAGE RATINGS
V
RRM
V
RSM
Repetitive peak reverse voltage, (note 1)
Non-repetitive peak reverse voltage, (note 1)
MAXIMUM
LIMITS
2500-3200
2600-3300
UNITS
V
V
OTHER RATINGS
I
F(AV)M
I
F(AV)M
I
F(AV)M
I
F(RMS)
I
F(RMS)
I
F(d.c.)
I
FSM
I
FSM2
I
2
t
I
2
t
T
j op
T
stg
Maximum average forward current, T
case
=55°C, (note 2)
Maximum average forward current. T
case
=70°C, (note 2)
Maximum average forward current. T
case
=100°C, (note 2)
Nominal RMS forward current, T
case
=100°C, (note 2)
Nominal RMS forward current, T
case
=25°C, (note 2)
D.C. forward current, T
case
=25°C
Peak non-repetitive surge t
p
=10ms, V
rm
=60%V
RRM
, (note 3)
Peak non-repetitive surge t
p
=10ms, V
rm
10V,
(note 3)
I
2
t capacity for fusing t
p
=10ms, V
rm
=60%V
RRM
, (note 3)
I
2
t capacity for fusing t
p
=10ms, V
rm
10V,
(note 3)
Operating temperature range
Storage temperature range
MAXIMUM
LIMITS
428
380
271
425
809
675
5500
6050
151×10
3
183×10
3
-40 to +150
-40 to +150
UNITS
A
A
A
A
A
A
A
A
A
2
s
A
2
s
°C
°C
Notes:-
1)
De-rating factor of 0.13% per °C is applicable for T
j
below 25°C.
2)
Single phase; 50Hz, 180° half-sinewave.
3)
Half-sinewave, 150°C T
j
initial.
Data Sheet. Type W0428##250-320 Issue 2
Page 1 of 8
January, 2018
Rectifier Diode Type W0428##250-320
Characteristics
PARAMETER
V
FM
V
FM
V
T0
r
T
I
RRM
Q
rr
Q
ra
I
rr
t
rr
R
thJC
R
thCK
F
W
t
Weight
Maximum peak forward voltage
Maximum peak forward voltage
Threshold voltage
Slope resistance
Peak reverse current
Recovered charge
Recovered charge, 50% chord
Reverse recovery current
Reverse recovery time, 50% chord
Thermal resistance, junction to case
Thermal resistance, case to heatsink
Mounting torque
MIN.
-
-
-
-
-
-
-
-
-
-
-
24
-
-
TYP.
-
-
-
-
-
1000
700
75
19
-
-
-
175
250
MAX. TEST CONDITIONS
(Note 1)
1.60
1.80
0.926
0.739
15
-
900
-
-
0.13
0.04
30
-
-
Outline E
I
TM
=100A, t
P
=500µs, di/dt=10A/µs, V
r
=50V
Rated V
RRM
I
TM
=900A
I
TM
=1180A
UNITS
V
V
V
m
mA
µC
µC
A
µs
K/W
K/W
Nm
g
Outline F
Notes:-
1)
Unless otherwise indicated T
j
=150
°
C.
Data Sheet. Type W0428##250-320 Issue 2
Page 2 of 8
January, 2018
Rectifier Diode Type W0428##250-320
Notes on Ratings and Characteristics
1.0 Voltage Grade Table
Voltage Grade
25
28
32
2.0 Extension of Voltage Grades
This report is applicable to other voltage grades when supply has been agreed by Sales/Production.
3.0 De-rating Factor
A blocking voltage de-rating factor of 0.13%/°C is applicable to this device for T
j
below 25°C.
4.0 Snubber Components
When selecting snubber components, care must be taken not to use excessively large values of snubber
capacitor or excessively small values of snubber resistor. Such excessive component values may lead to
device damage due to the large resultant values of snubber discharge current. If required, please consult
the factory for assistance.
5.0 Computer Modelling Parameters
5.1 Device Dissipation Calculations
V
RRM
V
2500
2800
3200
V
RSM
V
2600
2900
3300
V
R
DC V
1500
1650
1850
I
AV
½
V
T
0
V
T
0
4
ff
r
T
W
AV
2
ff
2
r
T
2
2
W
AV
½
and:
T
R
th
T
½
T
j
max
T
K
Where V
T0
=0.926V, r
T
=0.739m
R
th
= Supplementary thermal impedance, see table below and
ff
= Form factor, see table below.
Supplementary Thermal Impedance
Conduction Angle
Square wave
Sine wave
6 phase (60°)
0.174
0.172
3 phase (120°)
0.153
0.153
Form Factors
Conduction Angle
Square wave
Sine wave
6 phase (60°)
2.449
2.778
3 phase (120°)
1.732
1.879
½ wave (180°)
1.414
1.57
d.c.
1
½ wave (180°)
0.143
0.149
d.c.
0.130
Data Sheet. Type W0428##250-320 Issue 2
Page 3 of 8
January, 2018
Rectifier Diode Type W0428##250-320
5.2 Calculating V
F
using ABCD Coefficients
The on-state characteristic I
F
vs. V
F
, on page 6 is represented in two ways;
(i)
the well established V
T0
and r
T
tangent used for rating purposes and
(ii)
a set of constants A, B, C, D, forming the coefficients of the representative equation for V
F
in terms
of I
F
given below:
V
F
½
A
B
ln
I
F
C
I
F
D
I
F
The constants, derived by curve fitting software, are given below for both hot and cold characteristics. The
resulting values for V
F
agree with the true device characteristic over a current range, which is limited to that
plotted.
25°C Coefficients
A
B
C
D
0.7795642
0.04590695
4.64903×10
-4
2.19035×10
-3
A
B
C
D
150°C Coefficients
0.6340984
0.04112559
5.72979×10
-4
5.790022×10
-3
6.0 Reverse recovery ratings
(i) Q
ra
is based on 50% I
rm
chord as shown in Fig. 1
Fig. 1
(ii) Q
rr
is based on a 150s integration time i.e.
150
s
Q
rr
½
(iii)
i
0
rr
.dt
K Factor
½
t
1
t
2
Data Sheet. Type W0428##250-320 Issue 2
Page 4 of 8
January, 2018
Rectifier Diode Type W0428##250-320
Curves
Figure 1 - Forward characteristics of Limit device
10000
W0428##250-320
Issue 2
Instantaneous forward current - I
FM
(A)
25°C
150°C
1000
100
10
0.0
0.5
1.0
1.5
2.0
2.5
Maximum instantaneous forward voltage - V
FM
(V)
Figure 2 - Maximum surge and I
2
t ratings
100000
W0428##250-320
Issue 2
1.00E+07
Total peak half sine surge current - I
FSM
(A)
T
j
(initial) = 150°C
I
2
t: V
RRM
10V
10000
I
2
t: V
R
=60% V
RRM
1.00E+06
I
FSM
: V
RRM
10V
I
FSM
: V
R
=60% V
RRM
1000
1
3
5
10
1
5
10
50 100
1.00E+05
Duration of surge (ms)
Duration of surge (cycles @ 50Hz)
Data Sheet. Type W0428##250-320 Issue 2
Page 5 of 8
January, 2018
Maximum I t (A s)
2
2
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