參數(shù)資料
型號(hào): 87CNQ020SM
元件分類(lèi): 整流器
英文描述: 40 A, 20 V, SILICON, RECTIFIER DIODE
文件頁(yè)數(shù): 4/6頁(yè)
文件大小: 143K
代理商: 87CNQ020SM
87CNQ020, 87CNQ020SM, 87CNQ020SL
4
PD-20541 rev. E 10/99
www.irf.com
Fig.7-Max. Non-Repetitive Surge Current (PerLeg)
Fig.5-Max. Allowable CaseTemperature
Vs. Average Forward Current (PerLeg)
Fig. 8 - Unclamped Inductive Test Circuit
Fig.6-Forward Power Loss Characteristics
(PerLeg)
FREE-WHEEL
DIODE
40HFL40S02
C URRENT
MON ITOR
HIGH-SPEED
SWITCH
IRFP460
L
DUT
Rg = 25 ohm
Vd = 25 Volt
+
(2) Formula used: T
C = TJ - (Pd + PdREV) x R thJC ;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/ D) (see Fig. 6);
Pd
REV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR
120
125
130
135
140
145
150
0
1020304050
60
DC
A
llow
ab
le
C
as
e
Tem
pe
ra
tu
re
-(
°C
)
F(AV)
see note (2)
Average Forward Current - I
(A)
Square wave (D = 0.50)
80% Rated V applied
R
0
5
10
15
20
25
0
10
2030405060
DC
Av
er
ag
e
Po
w
er
Lo
ss
-(
W
at
ts
)
F(AV)
RMS Limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
Average Forward Current - I
(A)
100
1000
10000
10
100
1 00 0
10000
FS
M
N
on
-R
ep
et
iti
ve
Su
rg
eC
ur
re
nt
-
I
(A
)
p
At Any Rated Load Condition
And WithRated V
Applied
Following Surge
RRM
Square Wave Pulse Duration - t
(microsec)
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