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參數(shù)資料
| 型號： | SMR1D |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Bulk Metal Foil Technology Precision Molded Surface Mount Resistor |
| 中文描述： | 散裝金屬箔技術(shù)精密成型表面貼裝電阻 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 69K |
| 代理商： | SMR1D |
Document Number: 63022
Revision 23-Dec-03
www.vishay.com
18
SMR1D
Vishay Foil Resistors
S
VISHAY FOIL FRANCE +33.4.93.37.28.24 FAX: +33.4.93.37.27.31
GERMANY +49.9287.710 FAX: +49 9287.70435
ISRAEL +972.3.557.0945 FAX: +972.3.558.9121
ITALY + 39.2.300.11919 FAX: +39.2.300.11999
JAPAN +81.3.5464.6411 FAX: +81.3.5464.6433
SINGAPORE +65.788.6668 FAX: +65.788.0988
SWEDEN +46.8.594.70590 FAX: +46.8.594.70581
UK +44 191 514 8237 FAX: +44 1953 457 722
USA +1 610 407-4800 FAX: +1 610 640-9081
Bulk Metal
Foil Technology
Precision Molded Surface Mount Resistor
FEATURES
Small footprint
Temperature Coefficient of Resistance — Nominal TCR:
+ 0.6 ppm/
°
C (0
°
C to + 25
°
C);
- 0.6ppm/
°
C (+ 25
°
C to + 60
°
C)
+ 2.2ppm/
°
C (- 55
°
C to + 25
°
C)
- 1.8ppm/
°
C (+ 25
°
C to + 125
°
C)
Value Range: 5
to 33K
Tight Tolerances available to
±
0.01 percent
Power: 0.25 watts @ + 70
°
C
Excellent Long Term Stability:
±
0.02% maximum
Low Thermal EMF: 0.1 m V/
°
C maximum
Low Noise, High Frequency Operation
Matched Sets Available
The SMR1D is a truly precision molded surface mountable
resistor offering all the elements of precision; including lowest
TCR, tight tolerances, long term stability, low noise, low thermal
EMF, and non-measurable voltage coefficient. It utilizes the
Bulk Metal
Foil technology for the resistive element with its
inherent and legendary low predictable TCR* and long term
stability. This surface mountable product affords similar
performance to the time tested S102 molded through-hole product.
Voltage division with tight tracking < 3ppm can be achieved
with 2 randomly selected units even with a large ratio between
the two values.
The molded SMR1D, while slightly larger and heavier than the
Bulk Metal
Foil VSM surface mountable chip resistor, has a
rugged construction capable of withstanding significant thermal
cycling and allows for board installation without concern for
tolerance shifts due to manufacturing processes or mechanical
stresses.
*Reference Reason 1 in “7 Technical Reasons to Specify BMF
Resistors.”
Product may not
be to scale
FIGURE 2 - POWER DERATING CURVE
200%
175%
150%
125%
100%
75%
50%
25%
0
–50
–25
0
+25
+50
+75
+100 +125 +150 +175 +200
Ambient Temperature (
°
C)
P
°
C
–55
°
C
+70
°
C
FIGURE 1 - NOMINAL TCR
Maximum
2.3 ppm/
±
°
C
+125
–55
–50
–25
0
+25
+50
+75
+100
+500
+400
+300
+200
+100
0
–100
–200
–300
–400
–500
Standard
±
2.0 ppm/
°
C
°
C
+2.2 ppm/
Slope (TCR)
–1.8 ppm/
C
Nominal Chord
–55
C / +25
C / +125
C are the test points
with +25
°
C as the reference temperature
R
(pR
Nominal Resistance/
Temperature (RT) Curve
+5ppm
-5ppm
TABLE 1 - TOLERANCE VERSUS RESISTANCE VALUE
VALUE
(
)
STANDARD TOLERANCE
(%)
100
to 33K
±
0.01%
20
to < 100
±
0.02%
10
to < 20
±
0.05%
5
to < 10
±
0.10%
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|---|---|
| SMR3D | Bulk Metal Foil Technology Precision Molded Surface Mount Resistor |
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| SOT-490 | Package Dimensions in mm |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SMR1D 100R T S B | 制造商:Vishay 功能描述:BULK METAL FOIL TECHNOLOGY PRECISION MOLDED SURFACE MOUNT RESISTOR |
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