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
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.
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)
Power rating: 0.2 W at 70 °C, for the entire resistive
element R
1
and R
2
, 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
Electrostatic discharge (ESD) up to 25 000 V
Non-inductive, non-capacitive design
Rise time: 1.0 ns effectively no ringing
Current noise: 0.010 µV
RMS
/V of applied voltage (< - 40 dB)
Thermal EMF: 0.05 µV/°C typical
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
Non hot spot design
Terminal finish: lead (Pb)-free or tin/lead alloy
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
For better performances, please see 300144 and 300144Z
datasheets
TABLE 1A - MODEL VSR144
SPECIFICATIONS
RESISTANCE
VALUES
500
to 20 k
100
to < 500
ABSOLUTE
TOLERANCE
± 0.01 %
± 0.02 %
ABSOLUTE TCR
(- 55 °C to + 125 °C, + 25 °C ref.)
TYPICAL AND MAX. SPREAD
± 2 ppm/°C ± 3 ppm/°C
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 %
TCR TRACKING MAX.
0.5 ppm/°C
1.0 ppm/°C
1.5 ppm/°C
2.0 ppm/°C
FIGURE 1 - TEMPERATURE COEFFICIENT OF RESISTANCE
+ 400
+ 200
+ 100
+ 4 ppm/°C
ΔR
R
0
(ppm)
- 100
- 200
- 400
+ 140
- 4 ppm/°C
- 140
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)
Standard Printing and Dimensions
0.295
(7.49)
VFR
0125
VSR144
0.1
(2.54)
Match
Tolerance
10K000
0.01 %
10K000
Schematic
(2)
R
1
R
2
Date Code
Model No.
0.320
(8.13)
1
1
0.75
1)
(19.05)
R1 Indicator
2
3
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
STANDARD RESISTANCE TOLERANCE
POWER
RATING
(1)(2)
ABSOLUTE AVAILABLE TO
0.2 W at + 70 °C
(for the entire resistive
element R
1
and R
2
)
divided proportionally
between
the two values
RATIO MATCH AVAILABLE TO
TCR TRACKING
AVAILABLE TO
VSR144
± 0.02 %
± 0.02 %
< ± 1.5 ppm/°C
for like values
< ± 2.0 ppm/°C
standard
(1)
Note
Power is divided proportionally between the 2 values
.
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
V0009
V0010
V0100
V0055
V0223
V0097
V0001
V0042
V0006
V0166
V0226
V0003
V0013
V0107
V0014
V0160
V0159
V0005
V0002
V0373
V0026
V0156
V0158
R
1
20K
20K
20K
19K4
17K5
15K
10K
10K
10K
10K
9K
9K
8K
6K
6K
6K
5K5
5K
5K
4K
3K
3K
2K7
R
2
20K
10K
2K
9K7
20K
15K
10K
8K323
2K
15K
10K
1K
16K
20K
7K
6K
7K7
10K
5K
12K
19K2
6K
10K
VCODES
V0058
V0030
V0029
V0059
V0103
V0154
V0032
V0121
V0004
V0379
V0374
V0022
V0091
V0162
V0378
V0061
V0088
V0380
V0375
V0381
V0377
V0376
-
R
1
2K
2K
2K
2K
2K
1K5
1K
1K
1K
1K
800R
511R
500R
500R
500R
300R
100R
100R
100R
100R
50R
35R
-
R
2
20K
18K
4K
2K
3K
3K
16K
2K
1K
7K
800R
16K2
500R
15K
4K5
300R
100R
15K
12K3
50R
28K
20K
-
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
Y
RESISTANCE VALUE CODE
VCODE
TOLERANCE MATCH
Q
= 0.02 %
A
= 0.05 %
B
= 0.1 %
D
= 0.5 %
F
= 1.0 %
PACKAGING
L
= bulk pack
Y
0
0
9
4
V
0
1
0
7
Q
Q
9
L
PRODUCT CODE
0094
= VSR144
RESISTANCE TOLERANCE
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.1 %
D
= ± 0.5 %
F
= ± 1.0 %
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
MODEL
VSR144
T
TERMINATION
T
= lead (Pb)-free
None
= tin/lead alloy
6K/20K
OHMIC VALUE
R1
= 6.0 k
R2
= 20.0 k
TCR2
TCR
Characteristic
Q
ABSOLUTE
TOLERANCE
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.1 %
D
= ± 0.5 %
F
= ± 1.0 %
Q
TOLERANCE
MATCH
Q
= 0.02 %
A
= 0.05 %
B
= 0.1 %
D
= 0.5 %
F
= 1.0 %
B
PACKAGING
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
applications.
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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