參數(shù)資料
型號(hào)： SFR25-560R-5
英文描述： WIDERSTAND METALLFILM 560R 250V 0.4W
中文描述： WIDERSTAND METALLFILM 560R 250V 0.4瓦
文件頁(yè)數(shù)： 21/22頁(yè)
文件大?。?/td> 111K
代理商： SFR25-560R-5
1998 Nov 18
22
Philips Components
Product specification
Cemented wirewound resistors
AC01/03/04/05/07/10/15/20
4.23
4.23.2
4.23.3
climatic sequence:
dry heat
damp heat
(accelerated)
1
st
cycle
cold
low air pressure
damp heat
(accelerated)
remaining cycles
damp heat
(steady state)
temperature
coefficient
Ba
Db
16 hours; 200
°
C
24 hours; 55
°
C; 95 to 100% RH
4.23.4
4.23.5
4.23.6
Aa
M
Db
2 hours;
40
°
C
1 hour; 8.5 kPa; 15 to 35
°
C
5 days; 55
°
C; 95 to 100% RH
R/R max.:
±
1% + 0.05
4.24.2
3 (Ca)
56 days; 40
°
C; 90 to 95% RH;
dissipation
≤
0.01 P
n
at 20/
40/20
°
C, 20/200/20
°
C:
R < 10
R
≥
10
no visible damage
R/R max.:
±
1% + 0.05
4.8.4.2
TC
≤ ±
600
×
10
6
/K
80
×
10
6
≤
TC
TC
≤
+140
×
10
6
/K
hot-spot temperature less
than maximum body
temperature
R/R max.:
±
2% + 0.1
temperature rise
horizontally mounted, loaded with P
n
4.13
short time overload
room temperature; dissipation 10
×
P
n
;
5 s (voltage not more than
1000 V/25 mm)
1000 hours loaded with P
n
;
1.5 hours on and 0.5 hours off
1000 hours loaded with 0.9 P
n
;
1.5 hours on and 0.5 hours off
1000 hours; 200
°
C; no load
4.25.1
endurance (at 40
°
C)
no visible damage
R/R max.:
±
5% + 0.1
no visible damage
R/R max.:
±
5% + 0.1
no visible damage
R/R max.:
±
5% + 0.1
4.25.1
endurance (at 70
°
C)
4.23.2
27 (Ba)
endurance at upper
category temperature
IEC
60115-1
CLAUSE
IEC
60068
TEST
METHOD
TEST
PROCEDURE
REQUIREMENTS
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