Z203LT71K500CB datasheet, PDF - EEWORLD Datasheet

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Z203LT71K500CB: DescriptionFixed Resistor, Metal Foil, 0.6W, 71500ohm, 300V, 0.25% +/-Tol, -.2,.2ppm/Cel, 3011,; CategoryPassive components The resistor; File Size115KB，6 Pages; ManufacturerVishay; Websitehttp://www.vishay.com; Environmental Compliance

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Z203LT71K500CB Overview

Fixed Resistor, Metal Foil, 0.6W, 71500ohm, 300V, 0.25% +/-Tol, -.2,.2ppm/Cel, 3011,

Z203LT71K500CB Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	944186852
Reach Compliance Code	unknown
ECCN code	EAR99
structure	Rectangular
Lead diameter	0.644 mm
Lead length	25.4 mm
lead spacing	5.08 mm
Number of terminals	2
Maximum operating temperature	175 °C
Minimum operating temperature	-55 °C
Package height	8.28 mm
Package length	7.62 mm
Package shape	RECTANGULAR PACKAGE
Package form	Radial
Package width	2.67 mm
method of packing	Bulk
Rated power dissipation(P)	0.6 W
resistance	71500 Ω
Resistor type	FIXED RESISTOR
series	Z203
size code	3011
technology	METAL FOIL
Temperature Coefficient	0.2 ppm/°C
Tolerance	0.25%
Operating Voltage	300 V

Z203LT71K500CB Preview

Z203 (Z1-Foil)

Vishay Foil Resistors

Ultra High Precision Z1-Foil Resistor for Metrology and Laboratory

with TCR of 0.5 ppm/°C Maximum, Tolerance to 0.005 % (50 ppm)

and Load Life Stability of 0.005 % (50 ppm), + 70 °C for 10 000 h

INDUSTRY BREAKTHROUGH

FEATURES

•

Temperature coefficient of resistance (TCR):

± 0.5 ppm/°C maximum (+ 25 °C to + 125 °C)

•

Power coefficient of resistance “ΔR due to self

heating”: ± 5 ppm at rated power

•

Rated power: 0.6 W at 70 °C

0.3 W at 125 °C

•

Resistance tolerance: to ± 0.005 % (50 ppm)

•

Load life stability: to ± 0.005 % (50 ppm) at 70 °C,

10 000 h at 0.15 W

•

Resistance range: 10

to 100 kΩ

•

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

•

Current noise: 0.010 µV

RMS

/V of applied voltage (< - 40 dB)

•

Thermal EMF: 0.1 µV/°C max.

•

Thermal stabilization time < 1 s (nominal value achieved

within 10 ppm of steady state value)

•

Voltage coefficient: < 0.1 ppm/V

•

Non-inductive: 0.08 µH

•

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

•

Maximum working voltage: 300 V

•

Drop in replacement for S102C/K

•

Matched sets are available per request

•

Prototype quantities available in just 5 working days

or sooner. For more information, please contact

foil@vishay.com

•

For better performances please contact us

•

Compliant to RoHS directive 2002/95/EC

Z203 resistors are not restricted to standard values or

minimum order quantity, and can be supplied from 1 unit

with as-required values (e.g. 9.997 kΩ vs. 10 kΩ) at no

extra cost or delivery time.

Our application engineering department is available to

advise and to make recommendations. For non-standard

technical requirements and special applications, please

FIGURE 1 - Z203 ON A PC BOARD

Connection

Distant

from

Solder

Point

(1)

PCB

A-A

Note

(1)

The leads on the Z203 connect to the Bulk Metal

Foil resistive

element at the top of the package using solder-free, all welded

construction. This high-reliability enhancement protects the

terminations from initial board-assembly and subsequent board

flexation stresses. The welded construction completely eliminates

the possibility of latent failures due to solder reflow and

solder-starved internal connections.

FIGURE 2 - POWER DERATING CURVE

200

- 55 °C

+ 70 °C

TABLE 1 - TOLERANCE AND TCR VS.

RESISTANCE

STANDARD

TOLERANCE

(%)

TYP. TCR

AND MAX.

SPREAD

(ppm/°C)

(+ 25 °C to

+ 125 °C)

± 0.2 ± 0.3

± 0.2 ± 0.4

± 0.2 ± 0.6

± 0.2 ± 0.8

± 0.2 ± 1.0

TYP. TCR

AND MAX.

SPREAD

(ppm/°C)

(- 55 °C to

+ 25 °C)

± 0.2 ± 1.8

± 0.2 ± 2.0

± 0.2 ± 2.3

± 0.2 ± 2.6

± 0.2 ± 2.8

Percent of Rated Power at + 125 °C

Double Rated Power

175

150

125

100

- 75 - 50 - 25

VALUE

Rated Power

Recommended

operation for

< 150 ppm

ΔR

after 2000 h

load life

100

to 100 kΩ

to < 100

to < 80

to < 50

± 0.005

± 0.01

± 0.02

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

Ambient Temperature (°C)

to < 25

* Pb containing terminations are RoHS compliant, exemptions may apply

Document Number: 63186

Revision: 19-Nov-09

For any questions, contact:

foil@vishay.com

www.vishay.com

Z203 (Z1-Foil)

Vishay Foil Resistors

ABOUT Z203

Vishay’s new generation of metrology ultra-high precision

Z-Foil resistor features new orders of accuracy, stability and

fast thermal stabilization in sizes small enough for

permanent assembly in operational equipment. This is,

place metrology-grade resistors right into the equipment as

on-board reference standards. Vishay’s Z203 unit offers an

immediate answer to many resistor applications currently

believed unsolvable, and opens entirely new areas of design

where the use of resistors had not been considered.

Applications include:

•

Secondary standards

•

Feedback devices for operational amplifiers

•

Precision voltage dividers

•

Meter multipliers

•

Precision bridge resistors

•

Decade voltage dividers

The performance of Vishay’s Z203 resistor cannot be

equaled by any conventional resistor technologies, or by

bulky units now used as standards. As shown by the

specifications on table 2 and 3, there is no compromise

between precision and speed (as in wirewound units) or

between speed and the combination of excellent precision,

stability and TCR (as with conventional deposited films).

The Z203 is the result of a unique concept in resistor

manufacturing. A proprietary new generation of the Bulk

Metal

Z-Foil element with known and controllable

properties is applied to a special ceramic substrate. A

resistive pattern is then photoetched by an ultra-fine

technique developed by Vishay. The device’s etched planar

construction results in the extremely low and reproducible

reactance needed for high-frequency and pulse

applications.

Z203 is uniquely enhanced by post manufacturing

operations (PMO) exercised after the manufacturing cycle

has been completed. Some of these exercises are a

standard part of the manufacturing cycle and are only

repeated during the PMO cycle to gain added stability or

confidence in the product. The foil resistor load-life curve

shows an increase in resistance from the first load

application, but flattens out to no further change after the

first few hundred hours of loading. This knee in the load-life

curve is reduced significantly by a special accelerated

load-life operation performed by Vishay, resulting in a flat

response immediately after installation. Other resistive

devices show a continuous change when subjected to these

same stresses and are driven out of tolerance.

The optional PMO for this product includes the combination

of thermal shock, power shot and special burn-in.

FIGURE 3 - TRIMMING TO VALUES

(conceptual illustration)

FIGURE 4 - TYPICAL RESISTANCE/

TEMPERATURE CURVE Z-FOIL

+ 500

Interloop

Capacitance

Reduction

in Series

Mutual

Inductance

Reduction due

to Opposing

Current in

Adjacent Lines

+ 400

Current Path

Before Trimming

Current Path

After Trimming

Trimming Process

Removes this Material

from Shorting Strip Area

Changing Current Path

and Increasing Resistance

+ 300

+ 200

+ 100

ΔR

(ppm)

- 100

- 200

- 300

- 400

- 500

0.05 ppm/°C

0.1 ppm/°C

0.14 ppm/°C

0.2 ppm/°C

+ 25

+ 60

+ 75

+ 100

+ 125

Note:

Foil shown in

black,

etched spaces in

white

Ambient Temperature (°C)

www.vishay.com

For any questions, contact:

foil@vishay.com

Document Number: 63186

Revision: 19-Nov-09

Z203 (Z1-Foil)

Vishay Foil Resistors

FIGURE 5 - STANDARD IMPRINTING AND DIMENSIONS

Front View

Optional Customer Part Number

Print Specification, etc. if Required

XXXXXX

100R01

0.01%

Resistance

Value Code

Tolerance

VISHAY

XXXX

Z203

Date Code

Year Week

(1)

Model Name

Lead Material #22 AWG

Round Solder Coated Copper

inches

Z203

inches

Z203L

Note

(1)

0.150 ± 0.005

3.81 ± 0.13

0.105 ± 0.010

2.67 ± 0.25

0.200 ± 0.005

5.08 ± 0.13

0.300 ± 0.010

7.62 ± 0.25

0.326 ± 0.010

8.28 ± 0.25

0.010 min.

0.254 min.

0.035 ± 0.01

1.02 ± 0.13

1.000 ± 0.125

25.4 ± 3.18

The standoffs shall be so located as to give a lead clearance of 0.010" minimum between the resistor body and the printed circuit board when

the standoffs are seated on the printed circuit board. This is to allow for proper cleaning of flux and other contaminants from the unit after all

soldering processes

TABLE 2 - Z203 SPECIFICATIONS

Load Life Stability

0.3 W at + 125 °C/0.6 W at + 70 °C

2000 h

10 000 h

0.15 W at + 70 °C

2000 h

10 000 h

± 0.002 % (20 ppm)

± 0.005 % (50 ppm)

± 0.01 % (100 ppm)

± 0.015 % (150 ppm)

± 0.005 % (50 ppm)

± 0.015 % (150 ppm)

± 0.05 % (500 ppm)

TYPICAL

MAXIMUM

Document Number: 63186

Revision: 19-Nov-09

For any questions, contact:

foil@vishay.com

www.vishay.com

Z203 (Z1-Foil)

Vishay Foil Resistors

TABLE 3 - ENVIRONMENTAL PERFORMANCE COMPARISON

VISHAY Z203

TYPICAL

ΔR

Test Group I

Thermal Shock, 5 x (- 65 °C to + 150 °C)

Short Time Overload, 5 s (6.25 x rated power)

Test Group II

Resistance Temperature Characteristic

Low Temperature Storage (25 h at - 65 °C)

Low Temperature Operation (45 min, rated power at - 65 °C)

Terminal Strength

Test Group III

DWV

Resistance to Solder Heat, 20 s at + 260 °C

Moisture Resistance

Test Group IV

Shock

Vibration

Test Group V

Life Test at 0.3 W/+ 125 °C

2000 h

10 000 h

Test Group Va

Life Test at 0.6 W (2 x Rated Power)/+ 70 °C, 2000 h

Test Group VI

High Temperature Exposure, 2000 h at + 150 °C

Test Group VII

Voltage Coefficient

< 0.00001 %/V

± 0.05 % (500 ppm)

± 0.1 % (1000 ppm)

± 0.005 % (50 ppm)

± 0.015 % (150 ppm)

± 0.005 % (50 ppm)

± 0.015 % (150 ppm)

± 0.05 % (500 ppm)

± 0.002 % (20 ppm)

± 0.01 % (100 ppm)

± 0.002 % (20 ppm)

± 0.005 % (50 ppm)

± 0.01 % (100 ppm)

± 0.05 % (500 ppm)

see table 1

± 0.002 % (20 ppm)

see table 1

± 0.01 % (100 ppm)

± 0.002 % (20 ppm)

± 0.003 % (30 ppm)

± 0.01 % (100 ppm)

MAXIMUM

ΔR

STANDARD MEASUREMENT

(at room temperature)

Standard Test Conditions:

•

Temperature: + 23 °C ± 2 °C

•

Relative humidity: 35 % to 65 % RH

•

Lead test point: 0.5" (12.7 mm) from resistor body

POST MANUFACTURING OPERATIONS (PMO) FOR IMPROVED END OF LIFE

Many analog applications can include requirements for performance under conditions of stress beyond the norm and over

extended periods of time. This calls for more than just selecting a standard device and applying it to a circuit. The standard device

may turn out to be all that is needed but an analysis of the projected service conditions should be made and it may well dictate

a routine of stabilization known as post manufacturing operations or PMO. The PMO operations that will be discussed are only

applicable to Bulk Metal Foil resistors. They stabilize Bulk Metal Foil resistors while they may be harmful to other types. Short

time overload, accelerated load life, and temperature cycling are the three PMO methods that do the most to remove the

anomalies down the road. Vishay Bulk Metal Foil resistors are inherently stable as manufactured. These PMO methods are only

of value on Bulk Metal Foil resistors and they improve the performance by amounts that are small but significant when compared

to the very tight tolerances. Users are encouraged to contact Vishay Foil applications engineering for assistance in choosing the

PMO operations that are right for their application.

www.vishay.com

For any questions, contact:

foil@vishay.com

Document Number: 63186

Revision: 19-Nov-09

Z203 (Z1-Foil)

Vishay Foil Resistors

(1)

TABLE 4 - GLOBAL PART NUMBER INFORMATION

DENOTES PRECISION

VALUE

= kΩ

NEW GLOBAL PART NUMBER: Y1445250R000V9L (preferred part number format)

CHARACTERISTICS

= standard

= lead (Pb)-free

1 to 999

= custom

PRODUCT CODE

1445

= Z203

1446

= Z203L

(2)

RESISTANCE TOLERANCE

= ± 0.005 %

= ± 0.01 %

= ± 0.02 %

= ± 0.05 %

= ± 0.1 %

= ± 0.25 %

= ± 0.5 %

= ± 1.0 %

PACKAGING

= bulk

FOR EXAMPLE: ABOVE GLOBAL ORDER Y1445 250R000 V 9 L:

TYPE: Z203

VALUE: 250.0

ABSOLUTE TOLERANCE: ± 0.005 %

TERMINATION: lead (Pb)-free

PACKAGING: bulk

HISTORICAL PART NUMBER: Z203T 250R00 V B (will continue to be used)

Z203

MODEL

Z203

Z203L

(2)

TERMINATION

= lead (Pb)-free

None = tin/lead

250R00

OHMIC VALUE

250.0

ABS. TOLERANCE

= ± 0.005 %

= ± 0.01 %

= ± 0.02 %

= ± 0.05 %

= ± 0.1 %

= ± 0.25 %

= ± 0.5 %

= ± 1.0 %

PACKAGING

= bulk

Notes

(1)

(2)

For non-standard requests, please contact application engineering

See figure 5

Document Number: 63186

Revision: 19-Nov-09

For any questions, contact:

foil@vishay.com

www.vishay.com

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