Y1746250R000T9R datasheet, PDF

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Y1746250R000T9R: Descriptionres 250 ohm .6W .01% 3017; CategoryPassive components; File Size353KB，5 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

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Y1746250R000T9R Overview

res 250 ohm .6W .01% 3017

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SMR1DZ / SMR3DZ (Z-Foil)

Ultra High Precision Z-Foil Molded Surface Mount Resistor

with TCR down to ±0.2 ppm/°C, PCR of ±5 ppm at Rated Power,

Flexible Terminations, and Load-Life Stability of ±0.005 % (50 ppm)

FEATURES AND BENEFITS

• Temperature coefficient of resistance (TCR):

±0.2 ppm/°C typical (–55°C to +125°C, +25°C ref.)

• Tolerance: to ±0.01%

• Power coefficient of resistance (PCR) “∆R due to self

heating": 5 ppm at rated power

• Flexible Terminations ensure minimal stress

transference from the PCB due to a difference in

thermal coefficient of expansions (TCE)

• Electrostatic discharge (ESD): at least to 25 kV

• Load-life stability: ±0.005% (70°C, 2000 h)

• Resistance range: 5

Ω

to 80 kΩ (for higher and lower

values, please contact us)

• Power rating: to 600 mW at +70°C

• Non-inductive, non-capacitive design

• Current noise: –40 dB

• Voltage coefficient: <0.1 ppm/V

• Non-inductive: <0.08

• Non hot spot design

• Terminal finishes available: lead (Pb)-free, tin/lead alloy

• Matched sets with TCR tacking are available upon

request

• For higher performances, please contact us

• Any value available within Resistance Range (e.g.,

1K234)

• For prototype samples, please contact

foil@vpgsensors.com

Any value at any tolerance

available within resistance range

out

SMRxDZ

APPLICATIONS

• Precision amplifiers

• High precision

instrumentation

• Medical

• Automatic test

equipment (ATE)

• Industrial

• Audio (high end stereo

equipment)

• EB application

• Military, airborne and

space

• Pulse application

• Measurement

instrumentation

INTRODUCTION

The SMRxDZ is an ultra high precision molded surface

mountable resistor offering all the elements of precision;

including low TCR, tight tolerance, long term stability,

low noise, low thermal EMF, and non-measurable voltage

coefficient. One of the important parameters influencing

stability is the Temperature Coefficient of Resistance

(TCR). Although the TCR of foil resistors is considered

Table 1—Tolerance and TCR vs. Resistance

Value

(–55°C to +125°C, +25°C Ref.)

Value

(Ω)

50 Ω to 80 kΩ

20 Ω to <50 Ω

10 Ω to <20 Ω

5 Ω to <10 Ω

Figure 1—Power Derating Curve

200

Percent of Rated Power (%)

175

150

125

100

–75

–25

+25

+75

+125

Ambient Temperature (°C)

+175

–55 °C

+ 70 °C

Standard

Tolerance

(1)

(%)

±0.01%

±0.02%

±0.05%

±0.1%

Typical TCR and

Max. Spread

(1)

(ppm/°C)

±0.2 ±1.8

±0.2 ±2.8

±0.2 ±4.8

±0.2 ±6.8

Note

(1)

For values <5 Ω and tighter performance, contact us.

Note

* This datasheet provides information about parts that are

RoHS-compliant and/or parts that are non-RoHS-compliant.

For example, parts with lead (Pb) terminations are not RoHS

compliant. Please see the information/tables in this datasheet

for details.

Document No.: 63118

Revision: 21-Oct-2015

For any questions, contact

foil@vpgsensors.com

www.vishayfoilresistors.com

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

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