Y402868R3450V0I datasheet, PDF

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Y402868R3450V0I: Descriptionres 68.345 ohm .2W .005% foil; CategoryTopical application Test and measurement; File Size498KB，4 Pages; ManufacturerVishay; Websitehttp://www.vishay.com

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Y402868R3450V0I Overview

res 68.345 ohm .2W .005% foil

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FSR (Secondary Standard Foil Resistor)

Vishay Foil Resistors

Bulk Metal

Foil Resistor Standard with TCR of 0.3 ppm/°C,

High Stability and Accuracy for Laboratory Calibration Standards

Direct Plug-In Device for Most DMM’S Available in the Market

FEATURES

• Temperature coefficient of resistance (TCR):

To ±0.3 ppm/°C (+15°C to +45°C) (see Table 1)

• Max TCR: 10 to 30 ppm window (see Figure 3)

• Resistance range: 1Ω to 150 kΩ (for higher and lower

values, please contact Applications Engineering)

•

Available up to six significant digits (e.g., 9K99962)

•

Resistance tolerance available for ordering: to

±0.005% (50 ppm)

•

High accuracy: to 10 ppm (see Table 1)

INTRODUCTION

A manufacturer of the most precise production-size

resistors available, Vishay Foil Resistors (VFR) has

experienced the problems presented by virtually all

available conventional and specialized secondary

standards. Among these are: instrument accuracy,

resistance shifts caused by load, temperature or

environmental changes, difficulty in measurement of

last digits, limitation on usable frequency, size and ease

of setting.

From intensive analysis of these problems, VFR

has developed a complete new design. With the

unequalled combination of the Bulk Metal

Foil resistor’s

performances, Vishay Foil resistors offer accuracy,

stability and versatility never before combined in a

secondary standard resistor.

The FSR reduces these major problems to insignificance:

accuracy, resistance shift, frequency, and size.

Our Application Engineering department is available to

advise and make recommendations.

For non-standard technical requirements and special

applications, please contact us via email.

Note

(1)

Measured by comparison against Vishay Foil Resistor

standards which are traceable to NIST.

•

Stability: ±0.0005% (5 ppm) at 25°C, 12 months

• No humidity effect: resistive element hermetically

sealed against moisture

• Small size and robust construction

• Direct plug-in device for most DMM’s available in the

market

• Each unit is supplied with certificate of accuracy

(1)

• RF shielded case

• Four terminal constructions with an additional

ground socket

•

Vishay Foil resistors are not restricted to standard

values; specific “as required” values can be

supplied at no additional cost or delivery time

(e.g., 1K23456 vs. 1K)

• Thermal stabilization time <1 s (nominal value achieved

within 10 ppm of steady state value)

• Electrostatic discharge (ESD) at least to 25 kV

• Rise time: 1 ns effectively no ringing

• Current noise: 0.010 μVRMS/V of applied voltage

(<-40 dB)

• Voltage coefficient: 0.1 ppm/V

• Non inductive: 0.08 μH

• Non hot spot design

FIGURE 1—DEMONSTRATION FOR EASE OF INSTALLATION ON DMM

Document Number: 63223

Revision: 22-Apr-2012

For technical questions, contact:

foil@vishaypg.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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