器件资料摘要：
Document Number: 63045
Revision 19-Jul-02
www.vishay.com
90
300144, 300145
Vishay Foil Resistors
THROUGH HOLE
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 +81.42.729.0661 FAX: +81.42.729.3400
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
Small Package, Ultimate Tracking Voltage Dividers
FEATURES
Temperature Coefficient of Resistance:
(See Figures 1 and 2 in data sheet 7 Technical Reasons
to Specify Bulk Metal
®
Foil Resistor Networks.)
TCR Tracking: to ± 0.5ppm/°C
Ratio Stability: < ± 0.001% (10ppm) under load-life
conditions
Ratio Match Tolerance: to 0.005%
Absolute Tolerance: to 0.005%
MODEL RESISTANCE ABSOLUTE RATIO MATCH TCR
NUMBER VALUE* TOLERANCE TOLERANCE TRACKING
300144 R1
= 10KΩ ± 0.05% ± 0.01% ± 0.5 ppm/°C
R2
= 10KΩ ± 0.05% ± 0.01% ± 0.5 ppm/°C
These voltage dividers are the first choice for accurate and stable division. Two resistors simultaneously etched into a piece of foil
produce the maximum in TCR tracking without the need for curve matching of separate resistors. The size and very small footprint
of the divider 300144 is also very important. This is the smallest foil divider available. A variety of ratios and impedances are already
tooled and are shown in Table 1 on the following page. Small deviations from the ratios shown can be accommodated in the trim
allowance already included in each side of the divider. Larger departures from the ratios shown may require new artwork.
The 300145 is a pair of 300144 elements back to back in a single molded package. Although performance between dividers is not
quite as good as within each divider, it is the most accurate and stable full bridge or differential gain setting device made.
MODEL RESISTANCE ABSOLUTE RATIO MATCH TCR
NUMBER VALUE* TOLERANCE TOLERANCE TRACKING
300145 R1
= 5KΩ ± 0.01% ABS ± 0.005% MA ± 1ppm/°C
R2
= 10KΩ ± 0.01% ABS ± 0.005% MA ± 1ppm/°C
R3
= 5KΩ ± 0.01% ABS ± 0.005% MA ± 1ppm/°C
R4
= 10KΩ ± 0.01% ABS ± 0.005% MA ± 1ppm/°C
*Specify the resistance value for each resistor even if all values are the same.
TABLE 1 - ORDERING INFORMATION - 300144
*Specify the resistance value for each resistor even if all values are the same.
TABLE 2 - ORDERING INFORMATION - 300145
Product may not
be to scale
Revision 19-Jul-02
www.vishay.com
90
300144, 300145
Vishay Foil Resistors
THROUGH HOLE
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 +81.42.729.0661 FAX: +81.42.729.3400
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
Small Package, Ultimate Tracking Voltage Dividers
FEATURES
Temperature Coefficient of Resistance:
(See Figures 1 and 2 in data sheet 7 Technical Reasons
to Specify Bulk Metal
®
Foil Resistor Networks.)
TCR Tracking: to ± 0.5ppm/°C
Ratio Stability: < ± 0.001% (10ppm) under load-life
conditions
Ratio Match Tolerance: to 0.005%
Absolute Tolerance: to 0.005%
MODEL RESISTANCE ABSOLUTE RATIO MATCH TCR
NUMBER VALUE* TOLERANCE TOLERANCE TRACKING
300144 R1
= 10KΩ ± 0.05% ± 0.01% ± 0.5 ppm/°C
R2
= 10KΩ ± 0.05% ± 0.01% ± 0.5 ppm/°C
These voltage dividers are the first choice for accurate and stable division. Two resistors simultaneously etched into a piece of foil
produce the maximum in TCR tracking without the need for curve matching of separate resistors. The size and very small footprint
of the divider 300144 is also very important. This is the smallest foil divider available. A variety of ratios and impedances are already
tooled and are shown in Table 1 on the following page. Small deviations from the ratios shown can be accommodated in the trim
allowance already included in each side of the divider. Larger departures from the ratios shown may require new artwork.
The 300145 is a pair of 300144 elements back to back in a single molded package. Although performance between dividers is not
quite as good as within each divider, it is the most accurate and stable full bridge or differential gain setting device made.
MODEL RESISTANCE ABSOLUTE RATIO MATCH TCR
NUMBER VALUE* TOLERANCE TOLERANCE TRACKING
300145 R1
= 5KΩ ± 0.01% ABS ± 0.005% MA ± 1ppm/°C
R2
= 10KΩ ± 0.01% ABS ± 0.005% MA ± 1ppm/°C
R3
= 5KΩ ± 0.01% ABS ± 0.005% MA ± 1ppm/°C
R4
= 10KΩ ± 0.01% ABS ± 0.005% MA ± 1ppm/°C
*Specify the resistance value for each resistor even if all values are the same.
TABLE 1 - ORDERING INFORMATION - 300144
*Specify the resistance value for each resistor even if all values are the same.
TABLE 2 - ORDERING INFORMATION - 300145
Product may not
be to scale