Y1453180R000F9L - Vishay Presicion Group

Ultra High Precision Z-Foil Resistor with TCR of ± 0.05 ppm/°C,

PCR of 5 ppm at Rated Power, Tolerance of ± 0.005 %

and Load Life Stability of ± 0.005 %

Z201 (Z-Foil)

Vishay Foil Resistors

Document Number: 63113 For any questions, contact: foil@vishaypg.com www.foilresistors.com

Revision: 25-Mar-10 1

IMPROVED PRODUCT

INDUSTRY BREAKTHROUGH

Any value at any tolerance available within resistance rage

INTRODUCTION

The Z201 (0.150" lead spacing) and Z201L (0.200" lead

spacing) Bulk Metal® Z-Foil resistors represent an industry

breakthrough. This is the 3rd in a series of ultra-precision

resistors since the first Bulk Metal® Foil resistor was

introduced by in 1962. Each represents an improvement on

the earlier model. The TCR slope of the Z201 is 0.2 ppm/C

(- 55 °C to + 125 °C, + 25 °C ref.) and is an order of

magnitude better than the original S102C. The Bulk Metal®

Z-Foil resistor is the ultimate choice in the most demanding

analog applications.

The Z-Foil technology provides a significant reduction of the

resistive component’s sensitivity to ambient temperature

variations (TCR) and applied power changes (PCR).

Designers can now guarantee a high degree of stability and

accuracy in fixed-resistor applications using solutions based

on Vishay’s revolutionary Z-Foil technology.

Our application engineering department is available to

advise and to make recommendations. For non-standard

technical requirements and special applications, please

FEATURES

Temperature coefficient of resistance (TCR):

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

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

+ 25 °C ref.)

Power coefficient of resistance “R 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 %

Load life stability: to ± 0.005 % at 70 °C, 2000 h at rated

power

Resistance range: 10  to 100 k (higher or lower values

of resistance available)

Electrostatic discharge (ESD) up to 25 000 V

Non inductive, non capacitive design

Rise time: 1.0 ns without ringing

Current noise: 0.01: - 40 dB

Thermal EMF: 0.1 µV/°C max.

0.05 µV/°C typical

Voltage coefficient: < 0.1 ppm/V

Non inductive: 0.08 µH

Terminal finishes available: lead (Pb)-free

tin/lead alloy

Maximum working voltage: 300 V

Drop in replacement for S102C/K

Matched sets are available per request

For better performances please contact us

APPLICATIONS

Precision amplifiers, high precision instrumentation,

medical and automatic test equipment

Laboratory, audio (high end stereo equipment)

EB applications, military, airborne and space

Down-hole (high temperature)

* Pb containing terminations are RoHS compliant, exemptions may apply

TABLE 1 - TOLERANCE AND TCR VERSUS

VALUE STANDARD

TOLERANCE

TYPICAL TCR AND

MAXIMUM SPREAD

- 55 °C TO + 125 °C

(+ 25 °C REF.)

100  to 100 k± 0.005 % ± 0.2 ± 0.6 ppm/°C

80  to < 100 ± 0.005 % ± 0.2 ± 0.8 ppm/°C

50  to < 80 ± 0.01 % ± 0.2 ± 1.0 ppm/°C

25  to < 50 ± 0.01 % ± 0.2 ± 1.3 ppm/°C

10  to < 25 ± 0.02 % ± 0.2 ± 1.6 ppm/°C

FIGURE 1 - POWER DERATING CURVE

200 %

175 %

150 %

125 %

100 %

75 %

50 %

25 %

0- 75 - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200

Ambient Temperature (°C)

Percent of Rated Power at + 125 °C

- 55 °C + 70 °C

Double Rated Power

Rated Power

Safe operation

for < 150 ppm

ΔR after

2000 hours

load life

Z201 (Z-Foil)

Vishay Foil Resistors

www.foilresistors.com For any questions, contact: foil@vishaypg.com Document Number: 63113

2Revision: 25-Mar-10

IMPROVED PRODUCT

FIGURE 2 - TRIMMING TO VALUES

(conceptual illustration)

Mutual Inductance

Reduction due

to Change in

Current Direction

Current Path

Before Trimming

Note: Foil shown in black, etched spaces in white

Interloop Capacitance

Reduction in Series

Trimming Process

Removes this Material

from Shorting Strip Area

Changing Current Path

and Increasing

Resistance

Current Path

After Trimming

FIGURE 3 - TYPICAL TCR CURVE Z-FOIL

+ 500

+ 200

+ 100

- 100

- 200

- 300

- 500

- 55 - 25 + 25 + 60 + 75 + 100 + 125

Ambient Temperature (°C)

ΔR

(ppm)

0.05 ppm/°C

- 0.1 ppm/°C 0.1 ppm/°C

0.14 ppm/°C

0.2 ppm/°C

- 0.16 ppm/°C

- 400

+ 300

+ 400

FIGURE 4 - STANDARD IMPRINTING AND DIMENSIONS

* 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.

LS W L H ST SW LL

Z 201 Inches 0.150 ± 0.005

0.105 ± 0.010

2.67 ± 0.25

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

mm 3.81 ± 0.13

Z 201 L Inches 0.200 ± 0.005

mm 5.08 ± 0.13

TABLE 2 - Z201 SPECIFICATIONS

Stability

Load Life at 2000 h

± 0.005 % max. R at 0.1 W/+ 70 °C

± 0.015 % max. R at 0.3 W/+ 125 °C

Load Life at 10 000 h

± 0.01 % max. R at 0.05 W/+ 125 °C

± 0.05 % max. R at 0.3 W/+ 125 °C

Model Name

VISHAY

XXXX

Z201

ST*

Date Code

Front View Rear View

Lead Material #22 AWG

Round Solder Coated Copper

Optional Customer Part Number

Print specification, etc. if required

Resistance

Value Code

Tolerance

XXXXXX

100R01

0.01%

Week

Year

Z201 (Z-Foil)

Vishay Foil Resistors

Document Number: 63113 For any questions, contact: foil@vishaypg.com www.foilresistors.com

Revision: 25-Mar-10 3

IMPROVED PRODUCT

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

IMPROVED PERFORMANCE TESTING

The preceding information is based on product directly off the production line. Improved performance (meaning increased time

stability with load and other stresses) is available through factory conducted "Improved Performance Testing". The test routine

is usually tailored to the user’s stability objectives. A screened product can be brought down to a potential load life drift of less

than 50 ppm.

For example, the datasheet “7 Technical Reasons to Specify BMF Resistive Components” shows the drift characteristics of a

standard product.

Various screen test routines are available and all anticipated stresses must be taken into account before settling on one specific

test routine. Our applications engineering department is available to discuss and recommend appropriate routines given the full

spectrum of anticipated stresses and stability requirements.

TABLE 3 - ENVIRONMENTAL PERFORMANCE COMPARISON

MIL-PRF-55182

CHAR J

Z201

MAXIMUM R TYPICAL R

Test Group I

Thermal Shock

Short Time Overload

± 0.2 %

± 0.01 % (100 ppm)

± 0.002 % (20 ppm)

± 0.003 % (30 ppm)

Test Group II

Resistance Temperature

Characteristic

Low Temperature Storage

Low Temperature Operation

Terminal Strength

± 25 ppm/°C

± 0.15 %

± 0.2 %

see Table 1

± 0.01 % (100 ppm)

± 0.05 ppm/°C

(0 °C to + 60 °C)

± 0.002 % (20 ppm)

Test Group III

DWV

Resistance to Solder Heat

Moisture Resistance

± 0.15 %

± 0.1 %

± 0.4 %

± 0.01 % (100 ppm)

± 0.05 % (500 ppm)

± 0.002 % (20 ppm)

± 0.005 % (50 ppm)

± 0.01 % (100 ppm)

Test Group IV

Shock

Vibration

± 0.2 %

± 0.01 % (100 ppm)

± 0.002 % (20 ppm)

Test Group V

Life Test at 0.3 W/+ 125 °C

2000 hours

10 000 hours

± 0.5 %

± 2.0 %

± 0.015 % (150 ppm)

± 0.05 % (500 ppm)

± 0.01 % (100 ppm)

± 0.03 % (300 ppm)

Test Group Va

Life Test at 0.6 W (2 x Rated Power)/+ 70 °C, 2000 hours ± 0.5 % ± 0.015 % (150 ppm) ± 0.01 % (100 ppm)

Test Group VI

High Temperature Exposure ± 2.0 % ± 0.1 % (1000 ppm) ± 0.05 % (500 ppm)

Test Group VII

Voltage Coefficient 0.005 %/V < 0.00001 %/V < 0.00001 %/V

Z201 (Z-Foil)

Vishay Foil Resistors

www.foilresistors.com For any questions, contact: foil@vishaypg.com Document Number: 63113

4Revision: 25-Mar-10

IMPROVED PRODUCT

Note

(1) For non-standard requests, please contact application engineering.

TABLE 4 - GLOBAL PART NUMBER INFORMATION

NEW GLOBAL PART NUMBER: Y1453250R000V9L (preferred part number format)

DENOTES PRECISION VALUE CHARACTERISTICS (1)

YR = 

K = k

0 = standard

9 = lead (Pb)-free

1 to 999 = custom

PRODUCT CODE RESISTANCE TOLERANCE PACKAGING

1453 = Z201

1454 = Z201L

V= ± 0.005 %

T= ± 0.01 %

Q= ± 0.02 %

A= ± 0.05 %

B= ± 0.1 %

C= ± 0.25 %

D= ± 0.5 %

F= ± 1.0 %

L = bulk

FOR EXAMPLE: ABOVE GLOBAL ORDER Y1453 250R000 V 9 L:

TYPE: Z201

VALUE: 250.0 

ABSOLUTE TOLERANCE: ± 0.005 %

TERMINATION: lead (Pb)-free

PACKAGING: bulk

HISTORICAL PART NUMBER: Z201T 250R00 V B (will continue to be used)

Z201 T 250R00 V B

MODEL TERMINATION OHMIC VALUE ABS. TOLERANCE PACKAGING

Z201

Z201L

T = lead (Pb)-free

None = tin/lead

250.0 V= ± 0.005 %

T= ± 0.01 %

Q= ± 0.02 %

A= ± 0.05 %

B= ± 0.1 %

C= ± 0.25 %

D= ± 0.5 %

F= ± 1.0 %

B = bulk

4532 0R05Y1 V90 L0

Vishay Precision Group

Document No.: 63999

Revision: 27-Apr-11

www.vishaypg.com

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Document No.: 63999

Revision: 27-Apr-11