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VPR221ZT1R2900TCR0.2BB

Description
Fixed Resistor, Metal Foil, 8W, 1.29ohm, 300V, 0.1% +/-Tol, -.2,.2ppm/Cel, 4015,
CategoryPassive components    The resistor   
File Size378KB,4 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Environmental Compliance
Download Datasheet Parametric View All

VPR221ZT1R2900TCR0.2BB Overview

Fixed Resistor, Metal Foil, 8W, 1.29ohm, 300V, 0.1% +/-Tol, -.2,.2ppm/Cel, 4015,

VPR221ZT1R2900TCR0.2BB Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid859861382
Reach Compliance Codecompliant
Country Of OriginIsrael
ECCN codeEAR99
YTEOL10
structureRectangular
Lead length13.72 mm
lead spacing2.54 mm
Number of terminals2
Maximum operating temperature150 °C
Minimum operating temperature-55 °C
Package height15.62 mm
Package length10.16 mm
Package shapeRECTANGULAR PACKAGE
Package formChassis Mount
Package width3.81 mm
method of packingBulk
Rated power dissipation(P)8 W
GuidelineMIL-PRF-39009
resistance1.29 Ω
Resistor typeFIXED RESISTOR
seriesVPR221Z
size code4015
technologyMETAL FOIL
Temperature Coefficient0.2 ppm/°C
Tolerance0.1%
Operating Voltage300 V
VPR221Z (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Z-Foil Power Resistor in
TO-220 Configuration with TCR of ± 0.05 ppm/°C,
PCR of 4 ppm/W and Load Life Stability of ± 0.005 % (50 ppm)
FEATURES
Any value at any tolerance available within resistance range
INTRODUCTION
The Z-Foil Technology provides a significant reduction of the
resistive component’s sensitivity to ambient temperature
variations (TCR) and applied power changes (PCR).
VPR221Z provides high rated power, excellent load life
stability , low Temperature Coefficient (TCR) and low Power
Coefficient (PCR) - all in one resistor. ± 0.05 ppm/°C
Absolute TCR removes error due to temperature gradients.
By taking advantage of the overall stability and reliability of
Bulk Metal
®
Z-Foil resistors, designers can significantly
reduce circuit errors and greatly improve overall circuit
performances.
Model VPR221Z is a 4 lead kelvin connected device.
IM
PR
O
VE
D
Our Application Engineering Department is available to
advise and make recommendations. For non-standard
technical requirements and special applications, please
contact us.
TABLE 1 - TCR AND TOLERANCE
TIGHTEST
RESISTANCE
TOLERANCE
± 0.05 %
RESISTANCE
RANGE ()
0.5 to < 1
1 to < 10
TYPICAL TCR AND
MAX. SPREAD
1)
± 0.2 ppm/°C ± 2.8 ppm/°C
Percent of Rated Power
± 0.02 %
± 0.2 ppm/°C ± 2.3 ppm/°C
10 to 500
± 0.01 %
± 0.2 ppm/°C ± 1.8 ppm/°C
Notes
1. MIL-Range (- 55 °C to + 125 °C, + 25 °C Ref.)
Contact Applications Engineering for other available values
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63116
Revision: 25-Mar-10
For any questions, contact:
foil@vishaypg.com
www.foilresistors.com
1
PR
O
DU
CT
± 0.05 ppm/°C typical (0 °C to + 60 °C)
± 0.2 ppm/°C typical (- 55 °C to + 125 °C,
+ 25 °C ref.) (see table 1)
Tolerance: to ± 0.01 %
Power coefficient “R due to self heating”
4 ppm/W typical
Rated power: 8 W chassis mounted (MIL-PRF-39009)
Load life stability: to ± 0.005 % at 25 °C for 2000 hours,
at 1.5 W
Resistance range: 0.5
to 500
Electrostatic discharge (ESD) above 25 000 V
Short time overload
0.001 % (10 ppm)
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
Non hot spot design
Terminal finishes available: lead (Pb)-free
tin/lead alloy
Any value available within resistance range (e.g. 1K234)
For better performances please contact us
Temperature coefficient of resistance (TCR):
APPLICATIONS
Automatic test equipment (ATE)
High precision instrumentation
Electron beam application
Current sensing applications
I
Pulse applications
Military
I
1
Power amplifier
Power supplies
R
I
E
1
V
E
2
I
2
FIGURE 1- POWER DERATING CURVE
- 55 °C
100
75
50
25
0
- 75
- 50
- 25
0
25
50
75
100
125
150
Ambient Temperature (°C)
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