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Y007528K0000F0L

Description
res 28k ohm 1/5W 1% radial
CategoryPassive components   
File Size323KB,4 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Download Datasheet View All

Y007528K0000F0L Overview

res 28k ohm 1/5W 1% radial

VSR Series
Vishay Foil Resistors
Bulk Metal
®
Foil Technology Industrial Precision Resistors
with TCR of ± 4 ppm/°C and Tolerance of ± 0.01 %
FEATURES
Temperature coefficient of resistance (TCR)
(1)
:
± 4 ppm/°C (0 °C to + 60 °C)
± 8 ppm/°C (- 55 °C to + 125 °C, + 25 °C ref.)
Resistance range: 0.5
Ω
to 1 MΩ (higher or lower
values of resistance are available)
Vishay Foil resistors are not restricted to standard values,
we can supply specific “as required” values at no extra cost
or delivery (e.g. 1K2345 vs. 1K)
Tolerance: to ± 0.01 % (100 ppm)
Load life stability: to ± 0.005 % at 70 °C, 2000 h at rated
power
Electrostatic discharge up to 25 000 V
Non inductive, non capacitive design
Rise time: 1 ns effectively no ringing
Current noise: - 40 dB
Thermal EMF: 0.05 µV/°C typical
Voltage coefficient: < 0.1 ppm/V
Inductance: 0.08 µH
Matched sets available
Terminal finish: lead (Pb)-free
tin/lead alloy
Prototype samples available from 72 h. For more
information, please contact foil@vishay.com
For better performances please review the
S Series
datasheet
Note
(1)
INTRODUCTION
Bulk Metal
®
Foil technology out performs all other resistor
technologies available today for applications that require
high precision and high stability.
This technology has been pioneered and developed by
VISHAY, and products based on this technology are the
most suitable for a wide range of applications.
Generally Bulk Metal Foil technology allows us to produce
customer orientated products designed to satisfy challenging
and specific technical requirements.
The VSR series of resistors is a low cost version of the well
established S series of resistors. These resistors are made
of foil elements so all of the inherent performance of foil is
retained. They do not however, have the same TCR or
tolerance ranges (see table 1 for details). These products
find a wide range of usage in high end stereo equipment and
some grades of test and measurement equipment.
Standoffs are dimensioned to provide a minimum lead
clearance of 0.010" between the resistor body and the
printed circuit board, when the standoffs are seated on the
board. This allows for proper cleaning after the soldering
process.
Our applications engineering department is available to
advise and to make recommendations for non standard
technical requirements and special applications, please
contact us.
For values below 50
Ω
please contact application engineering
APPLICATIONS
Industrial
Medical
Audio (high end stereo equipment)
Test and measurement equipment
Precision amplifiers
FIGURE 1 - POWER DERATING CURVE
Percent of Rated Power at + 125 °C
200
%
175
%
150
%
125
%
100
%
75
%
50
%
25
%
0
- 75
FIGURE 2 - TRIMMING TO VALUES
(Conceptual Illustration)
- 55 °C
+ 70 °C
Double Rated Power
Interloop Capacitance
Reduction in Series
Rated Power
Current Path
Before Trimming
Current Path
After Trimming
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing
Resistance
Safe operation
for < 150 ppm
Δ
R after 2000
hours load-life.
Mutual Inductance
Reduction due
to Change in
Current Direction
- 50
- 25
0
+ 25
+ 50
+ 75
+ 100 + 125 + 150 + 175 + 200
Ambient Temperature (°C)
Note:
Foil shown in
black,
etched spaces in
white
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63009
Revision: 23-Mar-10
For any questions, contact:
foil@vishaypg.com
www.foilresistors.com
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