SMR3D255R00TCR2DBB datasheet, PDF

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SMR3D255R00TCR2DBB: DescriptionFixed Resistor, Metal Foil, 0.6W, 255ohm, 180V, 0.5% +/-Tol, -2,2ppm/Cel, 2917,; CategoryPassive components The resistor; File Size427KB，5 Pages; ManufacturerVishay; Websitehttp://www.vishay.com

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SMR3D255R00TCR2DBB Overview

Fixed Resistor, Metal Foil, 0.6W, 255ohm, 180V, 0.5% +/-Tol, -2,2ppm/Cel, 2917,

SMR3D255R00TCR2DBB Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Objectid	857044735
Reach Compliance Code	compliant
Country Of Origin	Israel
YTEOL	10
structure	Rectangular
Number of terminals	2
Maximum operating temperature	175 °C
Minimum operating temperature	-55 °C
Package height	2.8 mm
Package length	7.3 mm
Package shape	RECTANGULAR PACKAGE
Package form	SMT
Package width	4.3 mm
method of packing	Bulk
Rated power dissipation(P)	0.6 W
resistance	255 Ω
Resistor type	FIXED RESISTOR
size code	2917
technology	METAL FOIL
Temperature Coefficient	2 ppm/°C
Tolerance	0.5%
Operating Voltage	180 V

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SMR1D/SMR3D

Vishay Foil Resistors

High Precision Bulk Metal

Foil Molded Surface Mount Resistor

with TCR down to ± 2 ppm/°C, Flexible Terminations,

and Load Life Stability of ± 0.005 % (50 ppm)

FEATURES



Temperature coefficient of resistance (TCR):

± 2 ppm°C typical (- 55 °C to + 125 °C,

+ 25 °C ref.)



Tolerance: to ± 0.01 %



Flexible terminations ensure minimal stress

transference from the PCB due to a difference

in thermal coefficient of expansions (TCE)



Electrostatic discharge (ESD) above 25 000 V



Load life stability: ± 0.005 % (70 °C, 2000 h at rated power)



Resistance range: 5



to 80 k (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 µH



Non hot spot design



Terminal finishes available: lead (Pb)-free

tin/lead alloy



Matched sets with TCR tracking are available upon request



Any value available within resistance range (e.g. 1K234)



Prototype samples available from 48 h. For more

information, please contact

foil@vishaypg.com



For better performances please review SMRxDZ datasheet

Any value at any tolerance available within resistance range

INTRODUCTION

The SMRxD is a 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. It

utilizes the Bulk Metal

Foil technology for the resistive

element with its inherent low and predictable TCR and long

term stability. This surface mountable product affords similar

performance to the time tested S series molded through-hole

product.

The flexible terminations of this product also reduce

stress transference from the PCB to the resistor.

Voltage division with tight tracking < 3 ppm/°C can be

achieved with 2

randomly

selected units even with a large

ratio between the two values.

Our Application Engineering Department is available to

advise and make recommendations. For non-standard

technical requirements and special applications, please

APPLICATIONS



Military, airborne and space

Precision amplifiers

High precision instrumentation

Medical

Automatic test equipment (ATE)

Industrial

Audio (high end stereo

equipment)



EB application



Pulse application



Measurement instrumentation

TABLE 1 - THE SMRxD SERIES IS LISTED

IN THE FOLLOWING DSCC

SPECIFICATIONS

MODEL

SMR1D

SMR3D

DSCC

06020

06021

MIL SPEC

MIL-PRF-55182

out

SMRxD

TABLE 2 - TOLERANCE AND TCR VERSUS

RESISTANCE VALUE

(- 55 °C to + 125 °C, + 25 °C ref.)

VALUE



to 80 k



to < 50



to < 20



to < 10



STANDARD

TOLERANCE

± 0.01 %

± 0.02 %

± 0.05 %

± 0.1 %

TYPICAL TCR AND

MAX. SPREAD

(ppm/°C)

±2±3

±2±4

±2±6

±2±8

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

Note

1. Tighter performances are available

* Pb containing terminations are not RoHS compliant, exemptions may apply

Document Number: 63102

Revision: 23-Mar-10

For any questions, contact:

foil@vishaypg.com

www.foilresistors.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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