VSR144
Vishay Foil Resistors
Bulk Metal® Foil Technology Industrial Grade
Miniature Voltage Divider with TCR Tracking of
1.5 ppm/°C and Ratio Stability of 0.001 % (10 ppm)
FEATURES
Temperature coefficient of resistance (TCR):
absolute: ± 4 ppm/°C (0 °C to + 60 °C)
± 8 ppm/°C (- 55 °C to + 125 °C,
+ 25 °C ref.)
tracking: 1.5 ppm/°C
Tolerance: absolute and matching to ± 0.01 %
Resistance range: 100R to 20K per resistive element
Vishay Foil resistors are not restricted to standard
values/ratios; specific “as requested” values/ratios can be
supplied at no extra cost or delivery (e.g. 1K2345 vs. 1K)
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.
Power rating: 0.2 W at 70 °C, for the entire resistive
element R1 and R2, divided proportionally between the two
elements
Load life ratio stability: < 0.001 % (10 ppm) 0.2 W at 70 °C
for 2000 h
Maximum working voltage: 200 V
TABLE 1A - MODEL VSR144
SPECIFICATIONS
RESISTANCE
VALUES
ABSOLUTE
TOLERANCE
500 to 20 k
± 0.01 %
100 to < 500
± 0.02 %
Electrostatic discharge (ESD) up to 25 000 V
Non-inductive, non-capacitive design
ABSOLUTE TCR
(- 55 °C to + 125 °C, + 25 °C ref.)
TYPICAL AND MAX. SPREAD
Rise time: 1.0 ns effectively no ringing
Current noise: 0.010 µVRMS/V of applied voltage (< - 40 dB)
Thermal EMF: 0.05 µV/°C typical
± 2 ppm/°C ± 3 ppm/°C
Thermal stabilization time < 1 s (nominal value achieved
within 10 ppm of steady state value)
Voltage coefficient: < 0.1 ppm/V
Non-inductive: < 0.08 µH
TABLE 1B - MODEL VSR144
SPECIFICATIONS
RESISTANCE
RATIO
1:1
> 1:1 to 4:1
> 4:1 to 10:1
> 10:1
TOLERANCE
MATCH
± 0.01 %
± 0.02 %
Non hot spot design
Terminal finish: lead (Pb)-free or tin/lead alloy
TCR TRACKING MAX.
Compliant to RoHS directive 2002/95/EC
Prototype quantities available in just 5 working days
or sooner. For more information, please contact
foil@vishaypg.com
0.5 ppm/°C
1.0 ppm/°C
1.5 ppm/°C
For better performances, please see 300144 and 300144Z
datasheets
2.0 ppm/°C
FIGURE 1 - TEMPERATURE COEFFICIENT OF RESISTANCE
+ 400
+ 200
+ 100
ΔR
R
0
(ppm) - 100
+ 4 ppm/°C
+ 140
- 4 ppm/°C
- 140
- 200
- 400
0
+ 25
+ 60
Temperature, °C
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63046
Revision: 16-Sep-13
For any questions, contact: foil@vishaypg.com
www.vishayfoilresistors.com
1
VSR144
Vishay Foil Resistors
FIGURE 2 - MODEL VSR144 STANDARD PRINTING AND DIMENSIONS in inches (millimeters)
Schematic (2)
Standard Printing and Dimensions
0.295
(7.49)
Date Code
Model No.
VFR
0125
VSR144
0.320
(8.13)
R1
Match
Tolerance
1
1
0.751)
(19.05)
R2
10K000
0.01 %
10K000
0.1
(2.54)
2
3
R1 Indicator
0.1 (2.54)
Notes
• Tolerance: ± 0.010"
(1) Lead wires: #22 AWG solder coated copper, 0.75" minimum length
(2) Each resistor contains 1 chip of two resistive elements
TABLE 2 - MODELS VSR144 SPECIFICATIONS
VFR
MODEL
VSR144
STANDARD RESISTANCE TOLERANCE
POWER RATING (1)(2)
ABSOLUTE AVAILABLE TO
0.2 W at + 70 °C
(for the entire resistive
element R1 and R2)
divided proportionally
between
the two values
± 0.02 %
RATIO MATCH AVAILABLE TO
± 0.02 %
TCR TRACKING
AVAILABLE TO
< ± 1.5 ppm/°C
for like values
< ± 2.0 ppm/°C
standard
Note
Power is divided proportionally between the 2 values
.
(1)
www.vishayfoilresistors.com
2
For any questions, contact: foil@vishaypg.com
Document Number: 63046
Revision: 16-Sep-13
VSR144
Vishay Foil Resistors
TABLE 3 - EXAMPLES OF VCODES FOR POPULAR VALUES (other values available on request)
VSR144 RATIOS
VCODES
R1
R2
VCODES
R1
R2
V0009
20K
20K
V0058
2K
20K
V0010
20K
10K
V0030
2K
18K
V0100
20K
2K
V0029
2K
4K
V0055
19K4
9K7
V0059
2K
2K
V0223
17K5
20K
V0103
2K
3K
V0097
15K
15K
V0154
1K5
3K
V0001
10K
10K
V0032
1K
16K
V0042
10K
8K323
V0121
1K
2K
V0006
10K
2K
V0004
1K
1K
V0166
10K
15K
V0379
1K
7K
V0226
9K
10K
V0374
800R
800R
V0003
9K
1K
V0022
511R
16K2
V0013
8K
16K
V0091
500R
500R
V0107
6K
20K
V0162
500R
15K
V0014
6K
7K
V0378
500R
4K5
V0160
6K
6K
V0061
300R
300R
V0159
5K5
7K7
V0088
100R
100R
V0005
5K
10K
V0380
100R
15K
V0002
5K
5K
V0375
100R
12K3
V0373
4K
12K
V0381
100R
50R
V0026
3K
19K2
V0377
50R
28K
V0156
3K
6K
V0376
35R
20K
V0158
2K7
10K
-
-
-
Note
• A combination of these values are available in reverse order and in values up to 5 digits
Document Number: 63046
Revision: 16-Sep-13
For any questions, contact: foil@vishaypg.com
www.vishayfoilresistors.com
3
VSR144
Vishay Foil Resistors
TABLE 4 - GLOBAL PART NUMBER INFORMATION (1)
NEW GLOBAL PART NUMBER: Y0094V0107QQ9L (preferred part number format)
DENOTES PRECISION
RESISTANCE VALUE CODE
TOLERANCE MATCH
PACKAGING
Y
VCODE
Q = 0.02 %
A = 0.05 %
B = 0.1 %
D = 0.5 %
F = 1.0 %
L = bulk pack
Y
0
0
9
4
V
0
1
0
PRODUCT CODE
RESISTANCE TOLERANCE
0094 = VSR144
Q = ± 0.02 %
A = ± 0.05 %
B = ± 0.1 %
D = ± 0.5 %
F = ± 1.0 %
7
Q
Q
9
L
CHARACTERISTICS
0 = standard
9 = lead (Pb)-free
1 to 999 = custom
FOR EXAMPLE: ABOVE GLOBAL ORDER Y0094 V0107 Q Q 9 L:
TYPE: VSR144
VALUE: 6K/20K
ABSOLUTE TOLERANCE: ± 0.02 %
TOLERANCE MATCH: ± 0.02 %
TERMINATION: lead (Pb)-free
PACKAGING: bulk pack
HISTORICAL PART NUMBER: VSR144T 6K/20K TCR2 Q Q B (will continue to be used)
VSR144
T
6K/20K
TCR2
Q
Q
B
MODEL
TERMINATION
OHMIC VALUE
TCR
Characteristic
ABSOLUTE
TOLERANCE
TOLERANCE
MATCH
PACKAGING
VSR144
T = lead (Pb)-free
None = tin/lead alloy
R1 = 6.0 k
R2 = 20.0 k
Q = ± 0.02 %
A = ± 0.05 %
B = ± 0.1 %
D = ± 0.5 %
F = ± 1.0 %
Q = 0.02 %
A = 0.05 %
B = 0.1 %
D = 0.5 %
F = 1.0 %
B = bulk pack
Note
(1)
For non-standard requests, please contact application engineering
www.vishayfoilresistors.com
4
For any questions, contact: foil@vishaypg.com
Document Number: 63046
Revision: 16-Sep-13
Legal Disclaimer Notice
Vishay Precision Group, Inc.
Disclaimer
ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.
Vishay Precision Group, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “VPG”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in
any other disclosure relating to any product.
The product specifications do not expand or otherwise modify VPG’s terms and conditions of purchase, including but
not limited to, the warranty expressed therein.
VPG makes no warranty, representation or guarantee other than as set forth in the terms and conditions of purchase.
To the maximum extent permitted by applicable law, VPG disclaims (i) any and all liability arising out of the
application or use of any product, (ii) any and all liability, including without limitation special, consequential or
incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose,
non-infringement and merchantability.
Information provided in datasheets and/or specifications may vary from actual results in different applications and
performance may vary over time. Statements regarding the suitability of products for certain types of applications
are based on VPG’s knowledge of typical requirements that are often placed on VPG products. It is the customer’s
responsibility to validate that a particular product with the properties described in the product specification is suitable for
use in a particular application. You should ensure you have the current version of the relevant information by contacting
VPG prior to performing installation or use of the product, such as on our website at vpgsensors.com.
No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or by any
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The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise
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Please contact authorized VPG personnel to obtain written terms and conditions regarding products designed for such
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Product names and markings noted herein may be trademarks of their respective owners.
Copyright Vishay Precision Group, Inc., 2014. All rights reserved.
Document No.: 63999
Revision: 15-Jul-2014
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