Y4485V0076BT9R datasheet, PDF - EEWORLD Datasheet

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Y4485V0076BT9R: DescriptionUltra High Precision Bulk MetalÂ® Z-Foil Surface Mount Voltage Divider; File Size160KB，5 Pages; ManufacturerVishay; Websitehttp://www.vishay.com

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Y4485V0076BT9R Overview

Ultra High Precision Bulk MetalÂ® Z-Foil Surface Mount Voltage Divider

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DSMZ (Z-Foil)

Vishay Foil Resistors

Ultra High Precision Bulk Metal

Z-Foil Surface Mount Voltage

Divider, TCR Tracking of < 0.1 ppm/°C, PCR of ± 5 ppm

at Rated Power and Stability of ± 0.005 % (50 ppm)

FEATURES

•

Temperature Coefficient of Resistance (TCR):

Any value at any ratio available within resistance range

•

INTRODUCTION

Bulk Metal

Z-Foil Technology out-performs all other resistor

technologies available today for applications that require

ultra-high precision and ultra-high stabilitly.

The Z-Foil technology provides a significant reduction of the

resistive element’s sensitivity to ambient temperature

variations (TCR) and to self heating when power is applied

(power coefficient).

The DSMZ offers low TCR (both absolute and tracking), low

PCR, excellent load life stability, tight tolerance match,

excellent ratio stability, low thermal EMF, and low current

noise - all in one package.

The

DSMZ

surface mount divider provides a matched pair of

Bulk Metal

Z-Foil Resistors in a small epoxy molded

package. The electrical specification of this integrated

construction offers improved performance and better real

estate utilization over discrete resistors and matched pairs.

Our Application Engineering Department is available to advise

and make recommendations. For non-standard technical

requirements and special applications, please contact us.

•

Absolute: ± 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*

COMPLIANT

Tracking: 0.1 ppm/°C typical

Power Coefficient Tracking

“ΔR due to self heating”: ± 5 ppm at Rated Power

Power Rating at 70 °C: Entire Package: 0.1 W

Each Resistor: 0.05 W

Tolerance: Absolute: ± 0.02 %; Match: 0.01 %

Ratio Stability: 0.005 % (0.05 W at 70 °C, 2000 hours)

Resistance Range: 100

to 10 kΩ per resistor

Large Variety of Resistance Ratios: 1:100

Electrostatic Discharge (ESD) above 25 000 V

Short Time Overload

≤

0.005 %

Non Inductive, Non Capacitive Design

Rise Time: 1.0 ns without ringing

Current Noise: < - 40 dB

Thermal EMF: 0.05 µV/°C typical

Voltage Coefficient: < 0.1 ppm/V

Non Inductive: < 0.08 µH

Non Hot Spot Design

Terminals: silver coated copper alloy

For better performances, please contact Application

Engineering

TABLE 1 - RESISTANCE VALUES AND TOLERANCES

RESISTANCE VALUES

100

- 10 kΩ per resistor

ABSOLUTE TOLERANCE

EACH RESISTOR

RESISTANCE

TOLERANCE MATCH

TCR

± 0.02 %, ± 0.05 %, ± 0.1 %

0.01 %, 0.02 %, 0.05 %

Absolute: (typical and maximum

spread): ± 0.2 ± 2.0 ppm/°C

Tracking: (maximum)

For R1/R2 = 1

For 1 < R1/R2

≤

- 55 °C to + 125 °C

(+ 25 °C reference)

0.5 ppm/°C

1.0 ppm/°C

Notes

1. Tighter performances are available

2. 100

to 20 kΩ per resistor available in DSM

FIGURE 1 - SCHEMATIC

Percent of Rated Wattage

For 10 < R1/R2

≤

100 2.0 ppm/°C

OPTION 1

SAME OHMIC VALUE,

SAME ABSOLUTE TOLERANCE

OPTION 2

RESISTOR PAIR

- DIFFERENT VALUES

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

Document Number: 63121

Revision: 06-Aug-07

For any questions, contact: foil@vishay.com

www.vishay.com

APPLICATIONS

•

Instrumentation amplifiers

•

Bridge networks

Differential amplifiers

Ratio arms in bridge circuits

Medical and test equipment

Military

•

Airborne etc.

Vin

Vout

DSMZ

FIGURE 2 - POWER DERATING CURVE

110

100

- 60 - 40

- 55

- 20

100

120 140

125

Ambient Temperature (°C)

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