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기능 Soft Recovery Diode
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M0347WC200 데이터시트, 핀배열, 회로
Date:- 17 Oct 2014
Data Sheet Issue:- 2
Soft Recovery Diode
Type M0347WC200 to M0347WC250
Absolute Maximum Ratings
VRRM
VRSM
VOLTAGE RATINGS
Repetitive peak reverse voltage, (note 1)
Non-repetitive peak reverse voltage, (note 1)
IF(AV)M
IF(AV)M
IF(AV)M
IF(RMS)
IF(d.c.)
IFSM
IFSM2
I2t
I2t
Tj op
Tstg
OTHER RATINGS
Maximum average forward current, Tsink=55°C, (note 2)
Maximum average forward current. Tsink=100°C, (note 2)
Maximum average forward. Tsink=100°C, (note 3)
Nominal RMS forward current, Tsink=25°C, (note 2)
D.C. forward current, Tsink=25°C, (note 4)
Peak non-repetitive surge tp=10ms, VRM=60%VRRM, (note 5)
Peak non-repetitive surge tp=10ms, VRM10V, (note 5)
I2t capacity for fusing tp=10ms, VRM=60%VRRM, (note 5)
I2t capacity for fusing tp=10ms, VRM10V, (note 5)
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) Single side cooled, single phase; 50Hz, 180° half-sinewave.
4) Double side cooled.
5) Half-sinewave, 125°C Tj initial.
MAXIMUM
LIMITS
2000-2500
2100-2600
UNITS
V
V
MAXIMUM
LIMITS
347
164
93
693
582
4250
4675
90.3×103
109×103
-40 to +125
-40 to +150
UNITS
A
A
A
A
A
A
A
A2s
A2s
°C
°C
Data Sheet. Types M0347WC200 to M0347WC250 Issue 2
Page 1 of 11
October 2014




M0347WC200 pdf, 반도체, 판매, 대치품
Soft Recovery Diode Types M0347WC200 to M0347WC250
5.0 Reverse Recovery Loss
The following procedure is recommended for use where it is necessary to include reverse recovery loss.
From waveforms of recovery current obtained from a high frequency shunt (see Note 1) and reverse
voltage present during recovery, an instantaneous reverse recovery loss waveform must be constructed.
Let the area under this waveform be E joules per pulse. A new sink temperature can then be evaluated
from:
 TSINK TJ (MAX ) E k f RthJK
Where k = 0.2314 (°C/W)/s
E = Area under reverse loss waveform per pulse in joules (W.s.)
f = Rated frequency in Hz at the original sink temperature.
RthJK = d.c. thermal resistance (°C/W)
The total dissipation is now given by:
W(tot) W(original) E f
NOTE 1 - Reverse Recovery Loss by Measurement
This device has a low reverse recovered charge and peak reverse recovery current. When measuring the
charge, care must be taken to ensure that:
(a) AC coupled devices such as current transformers are not affected by prior passage of high
amplitude forward current.
(b) A suitable, polarised, clipping circuit must be connected to the input of the measuring oscilloscope
to avoid overloading the internal amplifiers by the relatively high amplitude forward current signal.
(c) Measurement of reverse recovery waveform should be carried out with an appropriate critically
damped snubber, connected across diode anode to cathode. The formula used for the calculation of this
snubber is shown below:
R2 4 Vr
CS didt
Where: Vr = Commutating source voltage
CS = Snubber capacitance
R = Snubber resistance
6.0 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.
Data Sheet. Types M0347WC200 to M0347WC250 Issue 2
Page 4 of 11
October 2014

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M0347WC200 전자부품, 판매, 대치품
Figure 5 - Maximum reverse current, Irm
1000
M0347WC200-250
Issue 2
Tj = 125°C
1500A
1000A
550A
250A
100
Soft Recovery Diode Types M0347WC200 to M0347WC250
Figure 6 - Maximum recovery time, trr (50% chord)
10
M0347WC200-250
Issue 2
Tj = 125°C
1500A
1000A
10
550A
250A
1
1 10 100 1000
Commutation rate - di/dt (A/µs)
Figure 7 Reverse recovery energy per pulse
1000
M0347WC200-250
Issue 2
Tj = 125°C
Vr=67% VRRM
0.1µF, 5
Snubber
1000A
400A
200A
100A
1
1 10 100
Commutation rate - di/dt (A/µs)
Figure 8 - Sine wave energy per pulse
1.00E+02
M0347WC200-250
Issue 2
Tj = 125°C
1.00E+01 3000A
2000A
1000
100 1.00E+00 1000A
500A
1.00E-01
250A
10
1
10 100
Commmutation rate - di/dt (A/µs)
500A
1000
1.00E-02
1.00E-05
1.00E-04
1.00E-03
Pulse width (s)
1.00E-02
Data Sheet. Types M0347WC200 to M0347WC250 Issue 2
Page 7 of 11
October 2014

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