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VSR144
Vishay Foil Resistors
Bulk Metal(R) Foil Technology Industrial Grade Miniature Voltage Divider
FEATURES
* Temperature Coefficient of Resistance: Nominal TCR: 4ppm/C (0 to 60C)
Product may not be to scale
* TCR Tracking: 1.5ppm/C * Ratio Stability: < 0.001% (10ppm) under load-life conditions * Ratio Tolerance: to 0.02%
THROUGH HOLE
The VSR144 is an industrial version of the 300144. This device has the stability that is inherent in foil but does not offer the tight match, TCR, or TCR tracking of the 300144. This product is quite satisfactory for most industrial purposes and should be considered when the total performance of the 300144 is not necessary.
FIGURE 1 - MODEL VSR144 STANDARD PRINTING AND DIMENSIONS in inches (millimeters)
Standard Printing and Dimensions Schematic 2
0.295 (7.493) VISHAY 0.320 0125 VSR144 (8.128)
0.1 (2.54)
Match Tolerance
10K000 0.01% 10K000
R1
R2
Date Code Model No.
1
1
0.751 (19.05) Low Resistance Value Indicator
2
3
Tolerance: 0.010" 1. Lead wires: #22 AWG solder coated copper, 0.75" minimum length. 2. Each resistor contains 1 chip consisting of two resistive elements.
1
2
3
0.1 (2.54)
TABLE 1 - ORDERING INFORMATION - VSR144 PARTS
Specify Vishay Industrial Grade Miniature Voltage Dividers as follows: MODEL NUMBER VSR144 R2 = 10K RESISTANCE VALUE* R1 = 10K ABSOLUTE TOLERANCE 0.05% 0.05% RATIO MATCH TOLERANCE 0.02% TCR TRACKING 1.5ppm/C
*Specify the resistance value for each resistor of the set -- even if all values are the same.
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
www.vishay.com 140
Document Number: 63046 Revision 05-Aug-02
VSR144
Bulk Metal Foil Technology Industrial Grade Miniature Voltage Divider
TABLE 2 - MODEL VSR144 SPECIFICATIONS
VISHAY MODEL RESISTANCE RATIO AVAILABLE1 () 100/12.3K 500/500 500/15K 800/800 1K/1K 1K/2K 1.5K/3K 2K/2K 2K/3K 2K/4K 2K/20K 2.7K/10K 3K/6K 5K/5K 5K/10K 5.5K/7.7K 6K/6K 6K/20K 10K/10K 10K/20K 15K/15K 20K/20K STANDARD RESISTANCE TOLERANCE POWER RATING 2, 3 ABSOLUTE AVAILABLE TO RATIO MATCH AVAILABLE TO TCR TRACKING SHELF LIFE STABILITY (ppm/yr)
(R)
Vishay Foil Resistors
VSR144 3
0.2W @ + 85C (for the entire resistive element R1 + R2) divided proportionally between the two elements.
< 1.5ppm/C For Like Values 0.02% 0.02% < 2.0ppm/C Standard 25
THROUGH HOLE
1. For resistance ratios not shown, contact Vishay's Applications Engineering Department. The VSR144 can be made available in any required ratio between the resistance values of 100 ohms and 20Kohms, such that R1 can be any value between 100 ohms and 20Kohms and R2 can also be any value between 100 ohms and 20Kohms. New art work is required. 2. Power is proportional to the divider ratio. Example: In a VSR144 (1K/10K dual), the power rating would be 18mW on the 1K and 182mW on the 10K, for a total of 200 mW on R1 + R2. R1 R2 P1 = P P2 = P R1 + R2 R1 + R2
(
)
(
)
3. Maximum working voltage is 200 Volts.
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
Document Number: 63046 Revision 05-Aug-02
www.vishay.com 141
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