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參數(shù)資料
| 型號(hào)： | 249NQ150R |
| 廠商： | International Rectifier |
| 英文描述： | SCHOTTKY RECTIFIER |
| 中文描述： | 肖特基整流器 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 114K |
| 代理商： | 249NQ150R |
249NQ...(R) Series
Bulletin PD-20721 rev. A 06/02
4
www.irf.com
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
Fig. 8 - Unclamped Inductive Test Circuit
FREE-WHEEL
DIODE
40HFL40S02
CURRENT
MONITOR
HIGH-SPEED
SWITCH
IRFP460
L
DUT
Rg = 25 ohm
Vd = 25 Volt
+
(2)
Formula used: T
C
= T
J
- (Pd + Pd
REV
) 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 = V
R1
x I
R
(1 - D); I
R
@ V
R1
= rated V
R
Average Forward Current - I
F
(AV)
(A)
Average Forward Current - I
F
(AV)
(A)
Fig. 6 - Forward Power Loss
Characteristics
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Max. Non-Repetitive Surge Current
A
A
N
F
(
0
40
80
120
160
200
240
280
0
100
200
300
400
DC
RMS Limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
1000
10000
100000
10
100
1000
10000
At Any Rated Load Condition
And With Rated RRM
Following Surge
60
80
100
120
140
160
180
0
100
200
300
400
DC
see note (2)
Square wave (D = 0.50)
Rated R
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