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| 型號(hào)： | SMV-R003-0.5 |
| 廠商： | Rhopoint Components Ltd. |
| 英文描述： | Precision Resistor |
| 中文描述： | 精密電阻 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 72K |
| 代理商： | SMV-R003-0.5 |
Precision Resistor Type SMV
Spec Sheet R431-1/2 Dec 97
Remarks:
- Standard resistance values according to E12 with the additional values of 2 and 5
- Minimum quantity of other values on request
- Tolerance 1% for values from 3 mOhm
- Tolerance 0.5% for values from 10 mOhm
Resistor type
SMV
is the low ohmic version of type SMR
in four-terminal execution. The temperature coefficient
therefore is very low over the complete range; the resistance
value is likewise independent on the quality of the solder
connection.
A high load capacity is achieved with the bulk copper
connections in conjunction with a good heat - conducting
substrate for the resistor element inside, as well as a
temperature resistant epoxy resin housing.
The resistor is also well suitable for switched applications
based on its low inductance.
The type SMV is delivered on a 24 mm belt in accordance
with EIA-481 for automated assembly.
Temperature dependence of the electrical resistance
of ISA-PLAN resistors
-40
-20
20
40
60
80
100
120
T [
o
C]
-0.4
-0.2
0.2
R/R
20
[%]
dimensions ( mm )
power derating curve
0
20
40
60
80
100
120
140
terminal temperature T
K
/ [
o
C]
0.25
0.5
0.75
1
P / P
Nom
stability: 1%
stability: 0.5%
reduced
technical data
resistance range
tolerances
temperature coefficient ( R > 10 mOhm )
applicable temperature range
load capacity
internal thermal resistance (foil / terminals)
dielectric withstanding voltage
inductance (R = 10 mOhm)
stability (nominal load at Tk = 80 °C)
1 mOhm - 1 Ohm
0.5 % / 1 % / 5 %
< 30 ppm/K (20 °C to 60 °C)
-55 °C to +140 °C
3 W
Rthi < 15 K/W
1000 V AC
< 10 nH
deviation < 0.5 % after 2000 h
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