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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

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 %

< ± 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

19K4

17K5

15K

10K

9K

8K

6K

5K5

5K

4K

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

1K5

1K

800R

511R

500R

300R

100R

50R

35R

-

R

2

20K

18K

4K

2K

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

9

4

V

0

1

0

7

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

conduct of VPG.

The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise

expressly indicated. Customers using or selling VPG products not expressly indicated for use in such applications do

so entirely at their own risk and agree to fully indemnify VPG for any damages arising or resulting from such use or sale.

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.

Document No.: 63999

Revision: 15-Jul-2014

www.vpgsensors.com

1

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