Datasheet > 300145TR1TCR2FQB

300145TR1TCR2FQB

更新时间： 2024-01-05 03:09:17

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
5页	122K
描述
High Precision Voltage Divider Resistors with TCR Tracking to 0.5 ppm/°C and Tolerance Match to 0.005 % (50 ppm)

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300145TR1TCR2FQB 数据手册

300144, 300145

Vishay Foil Resistors

High Precision Voltage Divider Resistors

with TCR Tracking to 0.5 ppm/°C and

Tolerance Match to 0.005 % (50 ppm)

FEATURES

• Temperature coefficient of resistance (TCR):

absolute:

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

+ 25 °C ref.)

tracking: 0.5 ppm/°C

Pb-free

Available

RoHS*

COMPLIANT

• Tolerance: absolute and matching to 0.005 %

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

element R1 and R2, divided proportionally between the

two elements

Any value at any ratio available within resistance range

• Ratio stability: < 0.001 % (10 ppm) 0.2 W at 70 °C for

2000 h

• Maximum working voltage: 200 V

• Electrostatic discharge (ESD) above 25 000 V

• Non inductive, non capacitive design

• Rise time: 1 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

INTRODUCTION

Vishay Bulk Metal^®foil technology outperforms all other

technologies available today for applications that require

high precision and high stability.

Models 300144 and 300145 offer low TCR (both absolute

and tracking), excellent load life stability, tight tolerance,

excellent ratio stability, low thermal EMF, low current noise

and non sensitivity to ESD - all in one package.

• Non hot spot design

• Terminal finishes available: lead (Pb)-free

Model 300145 is a pair-of 300144 elements back to back in

a single molded package.

tin/lead alloy

By taking advantage of the overall stability and reliability of

Vishay Bulk Metal foil resistors, designers can significantly

reduce circuit errors and greatly improve overall circuit

performances.

• Any value available within resistance range (e.g. 1K2345)

• Prototype samples available from 48 h. For more

information, please contact foil@vishay.com

• For better performances see 300144Z, 300145Z (Z-Foil)

datasheet

Our application engineering department is available to

advise and make recommendations. For non-standard

technical requirements and special applications. Please

APPLICATIONS

• Instrumentation amplifiers

• Bridge networks

• Differential amplifiers

• Military

out

300144

300145

• Space

• Medical

• Automatic test equipment

• Down-hole (high temperature)

TABLE 1 - MODELS 300144 AND 300145 SPECIFICATIONS

ABSOLUTE TCR

(- 55 °C to + 125 °C, + 25 °C Ref.)

TOLERANCE

RESISTANCE

MODEL

TCR TRACKING

RATIO

TYPICAL AND MAX. SPREAD

ABSOLUTE

MATCH

1:1

4:1

10:1

0.5 ppm/°C

1.0 ppm/°C

1.5 ppm/°C

0.005%

0.01%

0.005%

0.01%

300144

300145

2 ppm/°C 3 ppm/°C

> 10:1

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

Document Number: 63045

Revision: 21-Nov-07

For any questions, contact: foil@vishay.com

www.vishay.com

12 3 4 5

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