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PDF W3270NC22A Data sheet ( Hoja de datos )
| Número de pieza | W3270NC22A | |
| Descripción | Avalanche Diode | |
| Fabricantes | IXYS | |
| Logotipo |  |
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WESTCODE
An IXYS Company
Date:- 11 June, 2008
Data Sheet Issue:- 2
Provisional Data
Avalanche Diode
Type W3270N#22A
Absolute Maximum Ratings
VRRM
VRSM
PRSM
VOLTAGE RATINGS
Repetitive peak reverse voltage, (note 1)
Non-repetitive peak reverse voltage, (note 1)
Maximum surge reverse power dissipation, (note 2)
MAXIMUM
LIMITS
2200
2300
100
OTHER RATINGS
IF(AV)M
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 3)
Maximum average forward current. Tsink=85°C, (note 3)
Maximum average forward current. Tsink=85°C, (note 4)
Nominal RMS forward current, Tsink=25°C, (note 3)
D.C. forward current, Tsink=25°C, (note 5)
Peak non-repetitive surge tp=10ms, Vrm=60%VRRM, (note 6)
Peak non-repetitive surge tp=10ms, Vrm≤10V, (note 6)
I2t capacity for fusing tp=10ms, Vrm=60%VRRM, (note 6)
I2t capacity for fusing tp=10ms, Vrm≤10V, (note 6)
Operating temperature range
Storage temperature range
MAXIMUM
LIMITS
3239
2670
1630
5887
5015
27.6
30.4
3.81 × 106
4.62 × 106
-55 to +175
-55 to +200
Notes:-
1) De-rating factor of 0.13% per °C is applicable for Tj below 25°C.
2) In accordance with IEC60747-2 clause 7.3.3.1 (Triangular waveform pulse method), tp=3µs.
3) Double side cooled, single phase; 50Hz, 180° half-sinewave.
4) Single side cooled, single phase; 50Hz, 180° half-sinewave.
5) Double side cooled.
6) Half-sinewave, 175°C Tj initial.
UNITS
V
V
kW
UNITS
A
A
A
A
A
kA
kA
A2s
A2s
°C
°C
Provisional Data Sheet. Type W3270N#22A AD Issue 2
Page 1 of 9
June, 2008
1 page  
WESTCODE An IXYS Company
Avalanche Diode Type W3270N#22A
5.3 D.C. Thermal Impedance Calculation
∑rt
=
p=n
rp
p =1
⋅
1
−
−t
eτ p
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
0.0291698
5.67822
D.C. Single Side Cooled
2
4.295845×10-3
3
7.57109×10-3
1.123602
0.1407857
4
2.195801×10-3
0.014381914
5
1.628753×10-3
1.272749×10-3
Term
rp
τp
1
0.01177146
0.9495346
D.C. Double Side Cooled
2
6.485814×10-3
3
2.471007×10-3
0.1337950
0.01636628
6.0 Reverse recovery ratings
(i) Qra is based on 50% Irm chord as shown in Fig. 1
4
1.607109×10-3
1.255571×10-3
(ii) Qrr is based on a 150µs integration time i.e.
(iii)
K
Factor
=
t1
t2
150 µs
∫Qrr = irr .dt
0
Fig. 1
Provisional Data Sheet. Type W3270N#22A AD Issue 2
Page 5 of 9
June, 2008
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet W3270NC22A.PDF ] | |
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