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PDF W1185LC450 Data sheet ( Hoja de datos )
| Número de pieza | W1185LC450 | |
| Descripción | Rectifier Diode | |
| Fabricantes | IXYS | |
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Date:- 4th March, 2014
Data Sheet Issue:- 3
Rectifier Diode
Types W1185LC300 to W1185LC450
Previous Type No.: SW38-45CXC515
Absolute Maximum Ratings
VRRM
VRSM
VOLTAGE RATINGS
Repetitive peak reverse voltage, (note 1)
Non-repetitive peak reverse voltage, (note 1)
MAXIMUM
LIMITS
3000-4500
3100-4600
UNITS
V
V
OTHER RATINGS
IF(AV)M
IF(AV)M
IF(RMS)M
IF(d.c.)
IFSM
IFSM2
I2t
I2t
Tj op
Tstg
Maximum average forward current, Tsink=55°C, (note 2)
Maximum average forward current. Tsink=100°C, (note 2)
Nominal RMS forward current, Tsink=25°C, (note 2)
D.C. forward current, Tsink=25°C, (note 3)
Peak non-repetitive surge tp=10ms, Vrm=60%VRRM, (note 4)
Peak non-repetitive surge tp=10ms, Vrm≤10V, (note 4)
I2t capacity for fusing tp=10ms, Vrm=60%VRRM, (note 4)
I2t capacity for fusing tp=10ms, Vrm≤10V, (note 4)
Operating temperature range
Storage temperature range
Notes:-
1) De-rating factor of 0.13% per °C is applicable for Tj below 25°C.
2) Double side cooled, single phase; 50Hz, 180° half-sinewave.
3) Double side cooled.
4) Half-sinewave, 160°C Tj initial.
MAXIMUM
LIMITS
1185
833
2171
1936
9.2
10.58
0.423×106
0.559×106
-55 to +160
-55 to +185
UNITS
A
A
A
A
kA
kA
A2s
A2s
°C
°C
Data Sheet. Types W1185LC300 to W1185LC450 Issue 3
Page 1 of 10
March, 2014
1 page  
Rectifier Diode Types W1185LC300 to W1185LC450
5.3 D.C. Thermal Impedance Calculation
∑rt
=
p=n
rp
p =1
⋅
⎜⎜⎛1
−
e
−t
τp
⎝
⎟⎞
⎟
⎠
Where p = 1 to n, n is the number of terms in the series and:
t = Duration of heating pulse in seconds.
r
t
=
Thermal resistance at time t.
rp = Amplitude of pth term.
τp = Time Constant of rth term.
The coefficients for this device are shown in the tables below:
Term
rp
τp
1
0.017719
0.708578
D.C. Double Side Cooled
2
4.2406×10-3
3
6.9638×10-3
0.1435833
0.036152
Term
rp
τp
1
0.04013
4.07311
D.C. Single Side Cooled
2
6.3388×10-3
3
0.011408
2.15774
0.19931
6.0 Reverse recovery ratings
(i) Qra is based on 50% Irm chord as shown in Fig. 1
4
6.0275×10-3
9.0689×10-3
4
3.04366×10-3
2.1308×10-3
5
7.2098×10-4
4.66345×10-4
(ii) Qrr is based on a 150µs integration time i.e.
(iii) K Factor = t1
t2
150 µs
∫Qrr = irr .dt
0
Fig. 1
Data Sheet. Types W1185LC300 to W1185LC450 Issue 3
Page 5 of 10
March, 2014
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet W1185LC450.PDF ] | |
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