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VCS332Z298R000.25%

Description
RES,4 TERMINALS,METAL FOIL,298 OHMS,.25% +/-TOL,-2,2PPM TC
CategoryPassive components    The resistor   
File Size200KB,5 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
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VCS332Z298R000.25% Overview

RES,4 TERMINALS,METAL FOIL,298 OHMS,.25% +/-TOL,-2,2PPM TC

VCS332Z298R000.25% Parametric

Parameter NameAttribute value
Objectid1175701826
package instruction,
Reach Compliance Codeunknown
Country Of OriginIsrael
ECCN codeEAR99
YTEOL10
Manufacturer's serial numberVCS332Z(ZFOIL)
Number of terminals2
Resistor typeFIXED RESISTOR
Power Current Sense Resistors
Vishay Foil Resistors
Z-Based Bulk Metal
®
Foil Technology
Rapid
ΔR
Stabilization - Low WCR - Low TCR
VHP4Z
VFP4Z
VCS331Z
VPR247Z
VCS332Z
Product may not be to scale
Rapid
ΔR
stabilization under transient loads, low wattage
coefficient (WCR), and low temperature coefficient (TCR)
are features of this new Z Based Bulk Metal
®
Foil series of
Current Sense Resistors.
The series should be selected where rapid .R stabilization
and resistance stability under transient power conditions is
required. These products achieve optimum performance
when mounted on a chassis or cooled heat sink. The Z
Based Technology provides extremely low WCR under
defined conditions (see Figure 1 and Figure 2). The low
absolute TCR provided by the Z Based Technology is
measured over the temperature range of - 55 °C to + 125 °C,
+ 25 °C reference (see Figure 3).
All of these devices utilizing the Z Based Technology are
provided with a true 4 terminal Kelvin connection. This is a
must for current sensing when the R-value is less than
100
Ω.
The VHP4Z and VPR247Z types add the additional
benefit of hermeticity. The welded construction and nitrogen
backfill provide maximum protection against environmental
stresses and insures long term stability. Typical applications
for this new series includes electron beam circuitry, electron
microscopes, fire control radar display systems, high speed
video display, deflection amplifier circuits, constant current
power supplies and forced balance electronic scales.
Custom high power designs can be developed for your
specific applications.
SALES
FEATURES
Rapid
ΔR
Stabilization under transient loads (see Figure 1)
Tenfold improvement of Wattage Coefficient of Resistance
(WCR): 4 ppm/W (see Figure 2)
Low Temperature Coefficient of Resistance:
(see Figure 3 and Table 2)
Thermal Resistance: 6 °C/W
Power Rating: 10 watts on heat sink
1)
at + 25 °C
(see Table 2)
3 watts in free air at + 25 °C (see Table 2)
Load Life Stability:
± 0.05 % Max
ΔR,
10 W on heat sink at + 25 °C, 2000 hours
± 0.01 % Max
ΔR,
3 W on heat sink at + 25 °C, 2000 hours
± 0.05 % Max
ΔR,
3 W in free air at + 25 °C, 2000 hours
Current Noise: < 0.01 µV(RMS)/volt of applied voltage
Thermal EMF: 0.1 µV/°C maximum, 0.05 µV/°C typical
Non-Inductive design
NOTE:
1.Heatsink - Aluminum (6" L x 4" W x 2" H x 0.04" THK)
• ASIA/JAPAN: foilsales.asia@vishay.com
• UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com
• AMERICAS: foilsales.usa@vishay.com
• GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com • FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com • ISRAEL: foilsales.israel@vishay.com
www.vishay.com
1
For technical questions, contact: foil@vishay.com
Document Number: 63086
Revision: 02-Mar-05
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