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Y0024120K500Q

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型号: Y0024120K500Q
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功能描述: Hermetically Sealed High Precision Bulk Metal® Foil Technology Resistors with TCR of ± 2 ppm/°C, Tolerance of ± 0.001 % and
PDF文件大小: 126.92 Kbytes
PDF页数: 共5页
制造商: VISHAY[Vishay Siliconix]
制造商LOGO: VISHAY[Vishay Siliconix] LOGO
制造商网址: http://www.vishay.com
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PDF页面索引
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Document Number: 63006 For any questions, contact: foil@vishay.com
www.vishay.com
Revision: 14-Nov-07 1
H Series
Vishay Foil Resistors
Hermetically Sealed High Precision Bulk Metal
®
Foil Technology
Resistors with TCR of ± 2 ppm/°C
, Tolerance of ± 0.001 % and
Load Life Stability of ± 0.005 %
Any value at any tolerance available within resistance range
INTRODUCTION
The H series resistors are oil-filled, hermetically sealed ultra
precision resistors.
The hermetic sealing eliminates the ingress of moisture and
oxygen, while the oil acts as a thermal conductor, thus
eliminating long term degradation elements of unsealed
resistors, while at the same time allowing the device to
accept short periods of overload without degradation.
Vishay’s Bulk Metal
®
Foil outperforms all other resistor
technologies available today for applications that require
precision and stability. When combined with the hermetic
sealing and oil filling, the H series resistors become one of
the most precise and stable resistors available.
With accuracies of 0.001 %, a resistance range from 5 Ω
to 1.84 MΩ, and long term shelf life of less than 2 ppm,
these devices are virtually secondary standards that can be
carried in sets for daily or periodic calibration of factory
measurement equipment.
FEATURES
Temperature coefficient of resistance (TCR):
± 2 ppm/°C typical
(- 55 °C to + 125 °C, + 25 °C ref.)
Power rating: 0.3 to 2.5 W at + 25 °C
(depending on model - see table 2)
Tolerance: to ± 0.001 %
Load life stability: ± 0.005 % (70 °C for 2000 h at half rated
power)
Shelf life stability: ± 2 ppm for at least 10 years
Resistance range: 5 Ω to 1.84 MΩ (higher or lower values
of resistance available)
Electrostatic discharge (ESD) above 25 000 V
Rise time: 1.0 ns without ringing
Current noise: < - 40 dB
Thermal EMF: 0.05 µV/°C typical
Voltage coefficient: < 0.1 ppm/V
Non inductive: < 0.08 µH
Non inductive, non capacitive design
Non hot spot design
Terminal finishes available: lead (Pb)-free
tin/lead alloy
Impervious to harmful environments - oil-filled
Any value available within resistance range (e.g. 1K234)
Prototype samples available from 48 h. For more
information, please contact foil@vishay.com
For better performances, please see H series (Z)
Note
Load life stability can be considerably improved through in-house
oriented tests
* Pb containing terminations are not RoHS compliant, exemptions may apply
Available
Pb-free
RoHS*
COMPLIANT
TABLE 1 - TOLERANCE AND TCR VERSUS
RESISTANCE VALUE
RESISTANCE
VALUE (
Ω
)
TYPICAL TCR AND MAX. SPREAD
(- 55 °C to + 125 °C, + 25 °C ref.)
(ppm/°C)
80 to < 1M84 ± 2 ± 2.5
50 to < 80 ± 2 ± 3.5
5 to < 50 ± 2 ± 4.5
FIGURE 1 - POWER DERATING CURVE
+ 100
+ 75
+ 50
+ 25
0
- 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175
Percent of Rated Power
- 55 °C
Ambient Temperature (°C)
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