VHP100T249R00DB datasheet, PDF

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VHP100T249R00DB: DescriptionFixed Resistor, Metal Foil, 0.3W, 249ohm, 300V, 0.5% +/-Tol, 4216,; CategoryPassive components The resistor; File Size338KB，4 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

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VHP100T249R00DB Overview

Fixed Resistor, Metal Foil, 0.3W, 249ohm, 300V, 0.5% +/-Tol, 4216,

VHP100T249R00DB Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	859332651
Reach Compliance Code	compliant
Country Of Origin	Israel
ECCN code	EAR99
YTEOL	10
structure	Rectangular
Lead diameter	0.64 mm
Lead length	25.4 mm
lead spacing	3.81 mm
Number of terminals	2
Maximum operating temperature	150 °C
Minimum operating temperature	-55 °C
Package height	10.92 mm
Package length	10.54 mm
Package shape	RECTANGULAR PACKAGE
Package form	Radial
Package width	4.11 mm
method of packing	Bulk
Rated power dissipation(P)	0.3 W
resistance	249 Ω
Resistor type	FIXED RESISTOR
series	VHP100
size code	4216
technology	METAL FOIL
Tolerance	0.5%
Operating Voltage	300 V

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VHP100

Vishay Foil Resistors

Ultra-High Precision Hermetically Sealed Bulk Metal

Foil Resistor

with Zero TCR, no Humidity Effect and 0.005 % Tolerance within a

Unique Construction, Minimizing the Effects of Stress Factors

FEATURES

•

Essentially zero TCR

•

Absolute resistance change

(window):

VHP100 < 60 ppm (- 55 °C to + 125 °C)

VHP101 < 10 ppm (+ 15 °C to + 45 °C)

•

Tolerance: to ± 0.005 % (50 ppm) - (available to

± 0.001 % (10 ppm))

•

No humidity effect: hermetically sealed against moisture

•

Load life stability: ± 50 ppm typical for 2000 h, 70 °C at

0.3 W

•

Shelf life stability: ± 2 ppm typical after at least 6 years

•

Resistance range: 100

to 150 kΩ (higher or lower values

available on request)

•

Vishay Foil resistors are not restricted to standard values;

specific “as required” values can be supplied at no extra

cost or delivery (e.g. 1K2345 vs. 1K)

•

Electrostatic discharge (ESD) up to 25 000 V

•

Non inductive, non capacitive design

•

Rise time: 1 ns effectively no ringing

•

Thermal stabilization < 1 s

•

Current noise: 0.010 µV

RMS

/V of applied voltage (< - 40 dB)

•

Thermal EMF: 0.05 µV/°C typical

•

Voltage coefficient: < 0.1 ppm/V

•

Inductance: < 0.08 µH

•

Non hot spot design

•

Hermeticity: 10

-7

atmospheric cc/s max.

•

Terminal finish: lead (Pb)-free, tin/lead alloy

•

Compliant to RoHS directive 2002/95/EC

•

Oil filled as standard,

air filled available upon request

•

Load-life stability can be considerably improved through

in-house oriented tests

INTRODUCTION

The new VHP100 type represents a metrology breakthrough.

A new construction concept combined with special

treatments make this resistor the first choice in the most

demanding instrumentation and laboratory applications.

The ability of the new VHP100 to minimize the changes in

resistance value when the resistor is subjected to load

variations and thermal stresses, ensure the ultra high

performances for the tight metrology specifications.

The total error budget of 2 ppm drift and the high speed

recovery represent an improvement of almost an order of

magnitude on the earlier model.

Vishay has achieved an essentially Zero Temperature

Coefficient Resistor in the VHP100 type. This oil filled

hermetically sealed device makes unique use of foil on

ceramic in such a way that self cancelling responses to

temperature are produced by combining equal and opposite

effects. This product is sold only in hermetic packages

because applications requiring this level of temperature

stability require humidity stability as well.

The value of the hermetic enclosure over the molded part is

in the long term performance. The hermetic sealing prevents

the ingress of moisture and oxygen, while the oil acts as a

thermal conductor.

TCR WINDOW DEFINITION

The TCR of the VHP100 is so small that an additional

definition -

window,

has been introduced. The window

definition requires that the absolute resistance remain within

the stated window over the temperature range specified. The

resistance of the VHP100 resistor stays within a 60 ppm

window over the entire military temperature range of - 55 °C

to + 125 °C (figures 1 and 3).

A window of 10 ppm is available for the laboratory instrument

range (+ 15 °C to + 45 °C); see figure 4 - type VHP101.

POST MANUFACTURING OPERATIONS

ENHANCE THE ALREADY GREATER

STABILITY OF FOIL RESISTORS

These PMO operations are uniquely applicable to resistors

made of resistive foil and they take the already superior

stability of foil devices one step further. The PMO operations

described are not applicable to thick film, thin film, or wire.

They constitute an exercising of the resin that bonds the foil

to the substrate.

The exercises that are employed are (1) temperature cycling

(2) short time overload, and (3) accelerated load life.

TCR TRACKING

Tracking of the VHP100 resistor is also vastly superior to

conventional precision resistors. Typical ± 5 ppm/°C precision

resistors have a worst-case tracking of 10 ppm/°C

(wirewounds, thick film, thin film) or a difference between

resistors of 1000 ppm (10 ppm/°C x 100 °C) when

temperature changes from + 25 °C to + 125 °C. For a

3 ppm/°C tracking (Vishay S102C) the difference will be

300 ppm (3 ppm/°C x 100 °C) for the same temperature

range. The VHP100 resistors will track to 60 ppm from - 55 °C

to + 125 °C, a five-fold improvement over the S102C resistor.

TEMPERATURE CYCLING

This exercise is done initially in the chip stage of all

production and will eliminate any fallout in the PMO cycling.

The cycling exercises the bonding resin and relaxes the foil

without reducing the bonding strength. A small reduction in

resistance is tolerable during this PMO operation.

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

Document Number: 63003

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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