Datasheet > 电阻器 > 固定电阻器> 303143U-88R7VBL

303143U-88R7VBL

更新时间： 2024-11-07 08:10:59

品牌	Logo	应用领域
威世 - VISHAY		固定电阻器
页数	文件大小	规格书
7页	407K
描述
Fixed Resistor, Metal Foil, 0.6W, 88.7ohm, 245V, 0.005% +/-Tol, -.2,.2ppm/Cel, 3011

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303143U-88R7VBL 数据手册

303143, 303143L (Z-Foil)

Vishay Foil Resistors

Models 303143 and 303143L (Ultra High Precision Fixed

Resistor Z-Foil Z201), Screen/Test Flow as modified

from S-311-P813 Proposed by NASA

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

INTRODUCTION

 Resistance range: 10  to 100 k

The 303143 (0.150" lead spacing) and 303143L (0.200"

lead spacing) Bulk Metal^®Z-Foil resistors represent the 3^rd

in a series of ultra-precision resistors since the first Bulk

Metal Foil resistor was introduced by Vishay in 1962. Each

represents an improvement on the earlier model. The TCR

slope of the 303143 and 303143L 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.

 Electrostatic discharge (ESD) up to 25 000 V

 Non-inductive, non-capacitive design

 Rise time: 1.0 ns effectively no ringing

 Current noise: 0.010 µV_RMS/V of applied voltage (< - 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 finish: tin/lead alloy

 Maximum working voltage: 245 V

 Drop in replacement for S102C/K

 Matched sets are available per request

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.

 For prototype units, append a “U” to the model number

(example: 303143U). These units include only the 100 %

screening requirements (table 4, page 4). For more

information, please contact foil@vishaypg.com

Our application engineering department is available to

advise and to make recommendations.

FIGURE 1 - POWER DERATING CURVE

- 55 °C

+ 70 °C

200 %

175 %

150 %

125 %

100 %

75 %

50 %

25 %

Double Rated Power

TABLE 1 - TOLERANCE AND TCR VS.

RESISTANCE

TYPICAL TCR AND

TIGHTEST

MAXIMUM SPREAD

VALUE

ABSOLUTE

- 55 °C TO + 125 °C

(+ 25 °C ref.)

Rated Power

TOLERANCES

Safe Operation

for < 150 ppm

ΔR after

100  to 100 k

80  to < 100 

50  to < 80 

25  to < 50 

10  to < 25 

0.005 %

0.01 %

0.2 0.6 ppm/°C

0.2 0.8 ppm/°C

0.2 1.0 ppm/°C

0.2 1.3 ppm/°C

0.2 1.6 ppm/°C

2000 h

Load Life

- 75 - 50 - 25

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

Ambient Temperature (°C)

0.05 %

Document Number: 63174

Revision: 29-Mar-10

For any questions, contact: foil@vishaypg.com

www.foilresistors.com

12 3 4 5 6 7

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与303143U-88R7VBL相关器件

型号	品牌	获取价格	描述	数据表
303143U-898RABL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 898ohm, 245V, 0.05% +/-Tol, -.2,.2ppm/Cel, 3011
303143U-898RDBL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 898ohm, 245V, 0.5% +/-Tol, -.2,.2ppm/Cel, 3011
303143U-898RTBL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 898ohm, 245V, 0.01% +/-Tol, -.2,.2ppm/Cel, 3011
303143U-898RVBL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 898ohm, 245V, 0.005% +/-Tol, -.2,.2ppm/Cel, 3011
303143U-89K8QBL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 89800ohm, 245V, 0.02% +/-Tol, -.2,.2ppm/Cel, 3011
303143U-89K8VBL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 89800ohm, 245V, 0.005% +/-Tol, -.2,.2ppm/Cel, 3011
303143U-89R8BBL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 89.8ohm, 245V, 0.1% +/-Tol, -.2,.2ppm/Cel, 3011
303143U-89R8TBL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 89.8ohm, 245V, 0.01% +/-Tol, -.2,.2ppm/Cel, 3011
303143U-8K023ABL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 8023ohm, 245V, 0.05% +/-Tol, -.2,.2ppm/Cel, 3011
303143U-8K023VBL	VISHAY	获取价格	Fixed Resistor, Metal Foil, 0.6W, 8023ohm, 245V, 0.005% +/-Tol, -.2,.2ppm/Cel, 3011

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