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參數(shù)資料
| 型號： | PMA0207 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Metal Film Resistors, Precision, High Stability |
| 中文描述： | 金屬膜電阻器，高精度，高穩(wěn)定性 |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 108K |
| 代理商： | PMA0207 |
www.vishay.com
39
PMA0207
Vishay Draloric
Document Number 20114
Revision 05-Aug-02
For Technical Questions, contact ff1aresistors@vishay.com
CECC40000 / 40300
EN 140100 / IEC 60115-1
APPLICABLE SPECIFICATIONS
Metal Film Resistors, Precision, High Stability
0207
140
120
100
80
60
40
20
0
ü = f [
s]
PARAMETER:
u
20 40 60 80 100 120 140 160 180
FILM TEMPERATURE
s [
°
C]
R/R [t = 1000h] = f [
s]
PARAMETER: RESISTANCE VALUE
LOAD P [W]
140
120
100
80
60
40
20
0
0.01
0.1
1
20 40 60 80 100 120 140 160 180
FILM TEMPERATURE
s [
°
C]
0.01
0.1
1
10 1 0.1 0.01
RESISTANCE CHANGE
R/R [%]
1.0 0.8 0.6 0.4 0.2 0
R/R (t) = f [
R/R (t = 1000h)]
PARAMETER : TIME
ü = f [P]
PARAMETER : SIZE
T
ü
R
STABILITY NOMOGRAM, TYPICAL VALUES
(For handling see General Information)
1)
Over a resistance range 100
to 100K, limits for change of resistance at test
TEST
Endurance Test at 70
°
C
IEC 60115-1 4.25.1
CONDITIONS OF TEST
1000 hours at 70
°
C P=0.25W, 1.5 hours "ON", 0.5 hours "OFF"
1000 hours at 70
°
C P=0.125W, 1.5 hours "ON", 0.5 hours "OFF"
1000 hours at 85
°
C without load
8000 hours at 85
°
C without load
REQUIREMENTS
1)
≤
±
0.1%
≤
±
0.05%
≤
±
0.05%
≤
±
0.1%
≤
±
0.01%
Endurance at UCT
IEC 60115-1 4.25-3
Overload Test
IEC 60115-1 4.13
Short time overload for 5 seconds
at 2.5 x rated voltage or
≤
twice the limiting element voltage
Thermal Shock
IEC 60115-1 4.19; IEC 60068-2-14
Rapid change between upper and lower category temperature
≤
±
0.01%
Climatic Sequence
IEC 60115-1 4.23
Dry heat, damp heat cyclic, cold, low air pressure
≤
±
0.1%
Damp Heat Steady State
IEC 60115-1 4.24; IEC 60068-2-3
56 days at 40
°
C and 93% relative humidity
≤
±
0.1%
Resistance to Soldering Heat
IEC 60115-1 4.18; IEC 60068-2-20
10 seconds at 260
°
C solder bath temperature
≤
±
0.01%
Robustness of Terminations
IEC 60115-1 4.16; IEC 60068-2-21
Tensile, bending and torsion
≤
±
0.01%
Vibration
IEC 60115-1 4.22; IEC 60068-2-6
0.75mm or 10g, 10 Hz - 500 Hz 6 hours
≤
±
0.01%
PERFORMANCE
60C
80C
140C
120C
100C
40C
=20C
t=100000h
5000h
1000h
10
100
,1K
10K
100K
1M
PMA
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