Z20225K454FB datasheet, PDF - EEWORLD Datasheet

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Z20225K454FB: DescriptionUltra High Precision Z-Foil Miniature Resistor with TCR of Â± 0.05 ppm/Â°C, PCR of 5 ppm at Rated Power and Tolerance to Â± 0.01 %; File Size113KB，5 Pages; ManufacturerVishay; Websitehttp://www.vishay.com

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Z20225K454FB Overview

Ultra High Precision Z-Foil Miniature Resistor with TCR of Â± 0.05 ppm/Â°C, PCR of 5 ppm at Rated Power and Tolerance to Â± 0.01 %

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Z202

Vishay Foil Resistors

Ultra High Precision Z-Foil Miniature Resistor with

TCR of ± 0.05 ppm/°C, PCR of 5 ppm at Rated Power

and Tolerance to ± 0.01 %

FEATURES

100R01

0.01

0745 -

Z202

Any value at any tolerance available with resistance range

The Z202 is a miniaturized version of the now famous Z201. It is

made with a Bulk Metal

Z-Foil element so it retains all of the

inherent performance of Z-Foil resistors.

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

FIGURE 1 - IMPRINTING AND DIMENSIONS

Front View

Date Code

Year Week

For Lead (Pb)-free Option

Resistance

Value Code

•

Temperature coefficient of resistance (TCR):

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

Pb-free

Available

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

+ 25 °C ref.)

RoHS*

•

Tolerance: to ± 0.01 %

COMPLIANT

•

Power coefficient of resistance (PCR) “ΔR due

to self heating”: ± 5 ppm at rated rower

•

Electrostatic discharge (ESD) above 25 000 V

•

Resistance range: 5

to 30 kΩ

(for higher or lower values, please contact us)

•

Power rating: 0.25 W at + 70 °C; 0.125 W at + 125 °C

•

Load life stability: ± 0.01 % maximum

ΔR

at + 70 °C at

Rated power for 2000 h

•

Non inductive, non capacitive design

•

Current noise: - 40 dB

•

Thermal EMF: < 0.1 µV/°C

•

Voltage coefficient: < 0.1 ppm/V

•

Non inductive: < 0.08 µH

•

Non hot spot design

•

Maximum working voltage: 250 V

•

Terminal finishes available: lead (Pb)-free

tin/lead alloy

•

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

•

Prototype samples available from 48 h. For more

information, please contact foil@vishay.com

•

For better performances, please see Z201 datasheet

FIGURE 2 - POWER DERATING CURVE

Rear View

200

- 55 °C

+ 70 °C

Percent of Rated Power at + 125 °C

Double Rated Power

175

150

125

100

- 75 - 50 - 25

0745 -

Z202

100R01

0.01

Tolerance

Rated Power

Lead Material

#22 AWG (0.025 Dia.)

Solder Coated Copper

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

DIMENSIONS

ST:

LL:

LS:

INCHES

0.250 ± 0.010

0.125 ± 0.010

0.020 ± 0.010

0.750 minimum

0.125 ± 0.005

6.35 ± 0.25

3.18 ± 0.25

0.51 ± 0.25

19.05 minimum

3.18 ± 0.13

to 30 kΩ

to < 50

to < 20

to < 10

Ambient Temperature (°C)

TABLE 1 - TOLERANCE AND TCR VERSUS

VALUE

TYPICAL TCR AND

STANDARD

MAXIMUM SPREAD

TOLERANCE - 55 °C to + 125 °C (+ 25 °C Ref.)

± 0.01 %

± 0.02 %

± 0.05 %

± 0.1 %

± 0.2 ± 1.8

± 0.2 ± 2.8

± 0.2 ± 4.8

± 0.2 ± 6.8

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

Document Number: 63131

Revision: 13-Nov-07

For any questions, contact: foil@vishay.com

www.vishay.com

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