參數(shù)資料
型號: SFR252R75%
英文描述: WIDERSTAND METALLFILM 2R7 250V 0.4W
中文描述: WIDERSTAND METALLFILM 2R7 250V 0.4瓦
文件頁數(shù): 7/22頁
文件大小: 111K
1998 Nov 18
8
Philips Components
Product specification
Cemented wirewound resistors
AC01/03/04/05/07/10/15/20
Fig.8
Pulse on a regular basis; maximum permissible peak pulse power
as a function of pulse duration (t
i
).
P
max
(
)
AC04
handbook, full pagewidth
1
CCB376
10
1
10
2
10
3
10
4
10
1
1
10
10
2
10
3
4
P
(W)
t
i
(s)
t
p
/t
i
= 1000
t
p
/t
i
= 200
t
p
/t
i
= 50
t
p
/t
i
= 10
t
p
/t
i
= 2
0.1
1
10
100
6.8 k
Fig.9 Pulse capability; Watt
×
seconds/ohm as a function of R
n
.
AC04
handbook, full pagewidth
energy
(Ws/
)
10
3
10
4
10
2
10
1
10
1
CCB377
10
2
10
4
10
1
10
2
10
3
10
1
R
n
(
)
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