300144ZT1K/2KTCR0.2BFB datasheet, PDF

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300144ZT1K/2KTCR0.2BFB: DescriptionArray/Network Resistor, Divider, Metal Foil, 0.2W, 1000ohm, 200V, 0.1% +/-Tol, -.2,.2ppm/Cel, 2910,; CategoryPassive components The resistor; File Size446KB，6 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

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300144ZT1K/2KTCR0.2BFB Overview

Array/Network Resistor, Divider, Metal Foil, 0.2W, 1000ohm, 200V, 0.1% +/-Tol, -.2,.2ppm/Cel, 2910,

300144ZT1K/2KTCR0.2BFB Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	848752964
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Non Inductive
Lead length	19.05 mm
lead spacing	2.54 mm
Network Type	Divider
Number of terminals	3
Maximum operating temperature	175 °C
Minimum operating temperature	-55 °C
Package height	8.13 mm
Package length	7.49 mm
Package form	PCB Mount
Package width	2.54 mm
method of packing	Bulk
Rated power dissipation(P)	0.2 W
resistance	1000 Ω
Resistor type	ARRAY/NETWORK RESISTOR
series	300144Z
size code	2910
technology	METAL FOIL
Temperature Coefficient	0.2 ppm/°C
Tolerance	0.1%
Operating Voltage	200 V

300144ZT1K/2KTCR0.2BFB Preview

300144Z, 300145Z (Z-Foil)

Vishay Foil Resistors

Bulk Metal

Foil Technology Ultra High Precision Z-Foil Voltage Divider

Resistors with TCR Tracking to 0.1 ppm/°C, Power Coefficient Tracking

of 5 ppm at Rated Power, and Tolerance Match to 0.005 % (50 ppm)

FEATURES

APPLICATIONS



Instrumentation amplifiers



Bridge networks



Differential amplifiers



Military



Space



Medical



Automatic test equipment



Down-hole (high temperature)

300144

300145

TABLE 1A - MODELS 300144Z AND

300145Z SPECIFICATIONS

ABSOLUTE

TOLERANCE

± 0.005 %

± 0.01 %

RESISTANCE

VALUES

ABSOLUTE TCR

(- 55 °C to + 125 °C, + 25 °C ref.)

TYPICAL AND MAX. SPREAD

± 0.2 ppm/°C ± 1.8 ppm/°C



500



to 20 k

100



to < 500



TABLE 1B - MODELS 300144Z AND

300145Z SPECIFICATIONS

TOLERANCE

MATCH

0.005 %

RESISTANCE

RATIO

1:1

TCR TRACKING MAX.

0.5 ppm/°C

> 1:1 to 4:1

0.75 ppm/°C

1.0 ppm/°C

1.5 ppm/°C

> 4:1 to 10:1

> 10:1

0.01 %

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

Document Number: 63115

Revision: 25-Mar-10

For any questions, contact:

foil@vishaypg.com

www.foilresistors.com



Tolerance: absolute and matching to 0.005 % (50 ppm)

out



Temperature coefficient of resistance (TCR):

absolute: ± 0.05 ppm/°C typical (0 °C to + 60 °C)

± 0.2 ppm/°C typical (- 55 °C to + 125 °C,

+ 25 °C ref.)

TCR tracking: 0.1 ppm/°C typical



Power coefficient tracking “R due to self heating”: 5 ppm

at rated power



Power rating: 0.2 W at 70 °C, for the entire resistive

element R

and R

, divided proportionally between the two

values



Load life ratio stability: < 0.005 % (50 ppm) 0.2 W at 70 °C

for 2000 h



Maximum working voltage: 200 V



Resistance range: 100R to 20K per resisitve element



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)



Electrostatic discharge (ESD) up to 25 000 V



Non-inductive, non-capacitive design



Rise time: 1 ns effectively no ringing



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



Non inductive: < 0.08 µH



Non hot spot design



Thermal stabilization time < 1 s (nominal value achieved

within 10 ppm of steady state value)



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 contact us

300144Z, 300145Z (Z-Foil)

Vishay Foil Resistors

INTRODUCTION

Possibly you have become so accustomed (and inured) to a

slight instability or drift in your equipment that you no longer

regard the problem as a soluble. You have learned to live

with it. But have your customers? They are still waiting for a

solution. And if you cannot provide one, someone else may.

There are so many stability problems directly traceable to

resistive devices that skimping on the quality of a few critical

resistors, resistive networks may be counterproductive.

Load Life Stability

Load Life stability is the characteristics most relied upon to

demonstrate resistor long term reliability. Many applications

require a load life of between 2000 h to 10 000 h with limits

on the amount of shift and the number of failure rate

demonstration.

The ultra high precision Z-Foil divider and network have the

tightest allowable limits.

Whether high reliable application or not, the load life stability

of Foil resistors is unparalleled and long term serviceability is

assured.

With Bulk Metal

Foil resistors, only a minimal shift in

resistance value will occur during its entire lifetime. Most of

this shift takes place during the first few hundred hours of

operation, and virtually no change is noted thereafter.

Temperature Coefficient of Resistance (TCR)

The low temperature coefficient of resistors are achieved by

the use of especially selected materials for the resistive and

insulating members of the resistors which self-compensate

the thermal coefficient of expansion.

Interloop

Capacitance

Reduction

in Series

Mutual

Inductance

Reduction due

to Opposing

Current in

Adjacent Lines

Ratio Stability

Resistors in dividers or networks form are called upon to

maintain a track and match more than at ambient

temperature and when they expose to stress factors before,

during and after the assembly. Throughout the long service

life of the equipment, the resistors around the op amplifier for

example are required to track (to hold ratio) even though the

dissipation in the feedback resistor is different than that in the

sense resistor, causing on one to be at higher temperature

than the other. This is called tracking under power for short

term (power coefficient of resistance) or for a long term (load

life stability).

Change in a metal’s resistivity occurs in two ways: by

changes in temperature (external and internal) and by

changes in mechanical strain.

By developing resistor element materials whose resistances

change positively when subjected to temperature increase,

and negativity when subjected to compression, the Foil

resistors achieved, in the temperature range - 55 °C to + 125

°C, a maximum absolute TCR of 5 ppm/°C for the classical

Foil and maximum 2 ppm/°C for the Z-Foil technology.

To achieve maximum optimum TC tracking between

resistors, all factors that affect the TCR of each resistor must

be uniform. Whatever their resistance range or wattage, all

Foil resistors exhibit identical temperature coefficients as all

are made of the same alloy and of identical physical and

electrical characteristics. The only variable between these

resistors is the pattern photoetched on the element, a

process that does not alter alloy properties in any way. In

resistors, all TCR and other electrical characteristics are

inherent to the alloy, and are therefore uniform between

individual resistors, as well as between batches, thus

accurate “tracking” of one style resistor to another is assured

(even if they differ in size and range). Data on TCR spread

shown (fig. 4) illustrate the excellent tracking available with

all Foil resistors.

Because of this excellent tracking ability, resistors are ideal

for use in resistor networks where accurate ratios must be

maintained over a wide temperature range.

This designed-in TCR uniformity contrasts sharply with the

TCR tracking capability of wirewound and conventional

metal film units. TCR characteristics between wirewounds of

different resistance ranges and wattage are highly

non-uniform, because (a) different wire diameters are used,

(b) winding-induced stresses-which have a direct bearing on

TCR.

Conventional metal films units offer quite variable and often

unpredictable TC tracking because composition, film

thickness, and deposition techniques are varied to meet

different resistance range and wattage requirements.

Our application engineering department is available to

advise and make recommendations. For non-standard

technical requirements and special applications. Please

FIGURE 1 - TRIMMING TO VALUES

(conceptual illustration)

Note:

Foil shown in

black,

etched spaces in

white

www.foilresistors.com

For any questions, contact:

foil@vishaypg.com

Document Number: 63115

Revision: 25-Mar-10

Current Path

Before Trimming

Current Path

After Trimming

Trimming Process

Removes this Material

from Shorting Strip Area

Changing Current Path

and Increasing Resistance

300144Z, 300145Z (Z-Foil)

Vishay Foil Resistors

FIGURE 2 - STANDARD PRINTING AND DIMENSIONS

in inches (millimeters)

Model 300144Z and Schematic

(2)

0.295

(7.49)

VISHAY

9825

300144Z

0.1

(2.54)

Match

Tolerance

10K000

0.01

10K000

Model 300145Z and Schematic

(2)(3)

0.375

(9.53)

0.2

(5.08)

Date Code

Model No.

0.015 ± 0.005

(0.38 ± 0.13)

0.025 ± 0.005

(0.64 ± 0.13)

0.320

(8.13)

Low

Resistance

Value

Indicator

Date Code

Model No.

VISHAY

9825

300145Z

0.375

(9.53)

0.015 ± 0.005

(0.38 ± 0.13)

10K000

0.01

10K000

0.75

(1)

(19.05)

Dimensional Tolerance: ± 0.010" (0.25)

0.1 (2.54)

(1)

0.025 ± 0.005

(0.64 ± 0.13)

0.75

(1)

(19.05)

Match

Tolerance

(2)

(3)

Lead wires: #22 AWG solder coated copper,

0.75" minimum length

Each divider pair consists of two resistors on one

single chip

For model 300145Z the 2 chips are independent

and with no special relationship from chip to chip

0.1 (2.54)

FIGURE 3 - POWER DERATING CURVE

300144Z, 300145Z

- 55 °C

+ 70 °C

Rated Power

FIGURE 4 - TYPICAL RESISTANCE/

TEMPERATURE CURVE

(for more details see table 1A)

100

Percent of Rated Power at + 70 °C

TCR Chord Slopes for Different Temperature Ranges

+ 500

+ 400

+ 300

+ 200

+ 100

ΔR

(ppm)

- 100

- 200

- 300

- 400

- 500

- 55

- 25

+ 25

+ 60 + 75

+ 100 + 125

- 0.16 ppm/°C

Recommended

operation for

< 150 ppm

ΔR

after 2000 h

load life

0.05 ppm/°C

- 0.1 ppm/°C

0.1 ppm/°C

0.14 ppm/°C

0.2 ppm/°C

- 75

- 50

- 25

+ 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200

Ambient Temperature (°C)

Note

• Power is divided proportionally between the 2 values

Document Number: 63115

Revision: 25-Mar-10

For any questions, contact:

foil@vishaypg.com

www.foilresistors.com

300144Z, 300145Z (Z-Foil)

Vishay Foil Resistors

TABLE 2 - GLOBAL PART NUMBER INFORMATION

(1)

NEW GLOBAL PART NUMBER: Y1691V0058QT9L (preferred part number format)

DENOTES PRECISION

VCODE

RESISTANCE

VALUE CODE

TOLERANCE MATCH

= 0.005 %

= 0.01 %

= 0.02 %

= 0.05 %

= 0.1 %

= 0.5 %

= 1.0 %

PACKAGING

= bulk pack

PRODUCT CODE

1691

= 300144Z

1735

= 300145Z

RESISTANCE TOLERANCE

= ± 0.005 %

= ± 0.01 %

= ± 0.02 %

= ± 0.05 %

= ± 0.1 %

= ± 0.5 %

= ± 1.0 %

FOR EXAMPLE: ABOVE GLOBAL ORDER Y1691 V0058 Q T 9 L:

TYPE: 300144Z

VALUES: 2K/20K

ABSOLUTE TOLERANCE: ± 0.02 %

TOLERANCE MATCH: 0.01 %

TERMINATION: lead (Pb)-free

PACKAGING: bulk pack

HISTORICAL PART NUMBER: 300144ZT 2K/20K TCR0.2 Q T B (will continue to be used)

300144Z

MODEL

2K/20K

TCR0.2

ABSOLUTE

TOLERANCE

= ± 0.005 %

= ± 0.01 %

= ± 0.02 %

= ± 0.05 %

= ± 0.1 %

= ± 0.5 %

= ± 1.0 %

TOLERANCE

MATCH

= 0.005 %

= 0.01 %

= 0.02 %

= 0.05 %

= 0.1 %

= 0.5 %

= 1.0 %

PACKAGING

= bulk pack

TERMINATION

OHMIC VALUE

= 2 k

= 20 k

(2)

TCR

CHARACTERISTIC

300144Z

300145Z

= lead (Pb)-free

None

= tin/lead alloy

Notes

(1)

For non-standard requests, please contact application engineering

(2)

For 300145 please specify the resistance value for each resistor even if all values are equal

www.foilresistors.com

For any questions, contact:

foil@vishaypg.com

CHARACTERISTICS

= standard

= lead (Pb)-free

1 to 999

= custom

Document Number: 63115

Revision: 25-Mar-10

300144Z, 300145Z (Z-Foil)

Vishay Foil Resistors

TABLE 3 - EXAMPLES OF VCODES FOR POPULAR VALUES

(other values available on request)

300144 RATIOS

VCODES

V0009

V0010

V0100

V0055

V0223

V0097

V0001

V0042

V0006

V0166

V0226

V0003

V0013

V0107

V0014

V0160

V0159

V0005

V0002

V0373

V0026

V0156

20K

19K4

17K5

15K

10K

5K5

20K

10K

9K7

20K

15K

10K

8K323

15K

10K

16K

20K

7K7

VCODES

V0058

V0030

V0029

V0059

V0103

V0154

V0032

V0121

V0004

V0379

V0374

V0022

V0091

V0162

V0378

V0061

V0088

1K5

800R

511R

500R

300R

100R

20K

18K

VCODES

V0008

V0019

10K

300145 RATIOS

10K

V0380

100R

V0375

100R

12K

V0381

100R

50R

19K2

V0377

V0376

35R

V0158

2K7

10K

Note

• A combination of these values are available in reverse order and in values up to 5 digits

Document Number: 63115

Revision: 25-Mar-10

For any questions, contact:

foil@vishaypg.com

V0092

7K812

500R

8K8

7K812

500R

V0023

500R

8K8

V0047

100R

V0051

100R

10K

100R

10K

16K

V0051

100R

10K

100R

10K

V0227

350R

800R

16K2

500R

15K

4K5

300R

100R

15K

12K3

50R

28K

20K

www.foilresistors.com

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