300144 Datasheet, PDF (2/2 Pages) Vishay Siliconix – Bulk Metal Foil Technology Small Package, Ultimate Tracking Voltage Dividers

300144, 300145
Bulk Metal^® Foil Technology
Vishay Foil Resistors
Small Package, Ultimate Tracking Voltage Dividers
FIGURE 1 - STANDARD PRINTING AND DIMENSIONS in inches (millimeters)
Model 300144 and Schematic²
Model 300145 and Schematic²
0.295
(7.493)
0.1
(2.54)
Match
Tolerance
0.375
(9.525)
654
0.2
(5.08)
VISHAY
Date Code 9825 0.320
Model No. 300144 (8.128)
1
R1
R2
6
5
4
0.751
(19.05)
Low Resistance
Value Indicator
1
2
3
Date Code
Model No.
VISHAY
9825
300145
0.375
(9.525)
123
0.1 (2.54)
Tolerance: ±0.010"
0.751
(19.05)
1. Lead wires: #22 AWG solder coated copper,
0.75" minimum length.
2. Each resistor contains 1 chip of two resistive
elements.
12 3
0.1 (2.54)
Match
Tolerance
R4
R3
R1
R2
1
2
3
TABLE 3 - MODELS 300144 AND 300145 SPECIFICATIONS
VISHAY
MODEL
RESISTANCE
RATIO
AVAILABLE¹ (Ω)
POWER
RATING ^{2, 4}
STANDARD RESISTANCE TOLERANCE
ABSOLUTE RATIO MATCH TCR TRACKING
AVAILABLE TO AVAILABLE TO AVAILABLE TO
SHELF LIFE
STABILITY
(ppm/yr)
300144
and
300145 ³
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
0.2W @ +85°C (for
the entire resistive
element R1 + R2)
divided proportion-
ally between the
two elements.
± 0.005%
< ± 0.5ppm/°C
For Like Values
± 0.005%
25
< ± 1.0ppm/°C
Standard
1. For resistance ratios not shown, contact Vishay’s Applications Engineering Department.
The 300144 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 300144 (1K/10K dual), the power rating would be 18 mW on the 1K and 182mW on the 10K, for a total of 200mW on
R1 + R2.
( ) ^R1
P1 = _{R1 + R2} ^P
( ) ^R2
P2 = _{R1 + R2} P
3. Any value from 100 ohms to 20Kohms inclusive is available with some derating of power. (See data sheet “VHD200 and VHD144.”)
4. Maximum working voltage is 200 Volts.
VISHAY FOIL • FRANCE +33.4.93.37.28.24 FAX: [phone]
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• ISRAEL +972.3.557.0945 FAX: [phone]
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Document Number: 63045
Revision 19-Jul-02
www.vishay.com
91