參數(shù)資料
型號(hào): MURD620CTTRRPBF
廠商: VISHAY INTERTECHNOLOGY INC
元件分類: 整流器
英文描述: 3 A, 200 V, SILICON, RECTIFIER DIODE
封裝: ROHS COMPLIANT, DPAK-3
文件頁(yè)數(shù): 5/7頁(yè)
文件大?。?/td> 95K
代理商: MURD620CTTRRPBF
Document Number: 94084
For technical questions, contact: diodestech@vishay.com
www.vishay.com
Revision: 01-Jul-09
5
MURD620CTPbF
Ultrafast Rectifier,
2 x 3 A FRED PtTM
Vishay High Power Products
Fig. 9 - Reverse Recovery Parameter Test Circuit
Fig. 10 - Reverse Recovery Waveform and Definitions
IRFP250
D.U.T.
L = 70 H
V
R = 200 V
0.01
Ω
G
D
S
dI
F/dt
adjust
Q
rr
0.5 I
RRM
dI
(rec)M/dt
0.75 I
RRM
I
RRM
t
rr
t
b
t
a
I
F
dI
F/dt
0
(1)
(2)
(3)
(4)
(5)
(1) dI
F/dt - rate of change of current
through zero crossing
(2) I
RRM - peak reverse recovery current
(3) t
rr - reverse recovery time measured
from zero crossing point of negative
going I
F to point where a line passing
through 0.75 I
RRM and 0.50 IRRM
extrapolated to zero current.
(4) Q
rr - area under curve defined by trr
and I
RRM
t
rr x IRRM
2
Q
rr =
(5) dI
(rec)M/dt - peak rate of change of
current during t
b portion of trr
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