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SMR1DZ556R00TCR0.2TBT

Description
Fixed Resistor, Metal Foil, 0.25W, 556ohm, 73V, 0.01% +/-Tol, -.2,.2ppm/Cel, 2412,
CategoryPassive components    The resistor   
File Size117KB,5 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Download Datasheet Parametric View All

SMR1DZ556R00TCR0.2TBT Overview

Fixed Resistor, Metal Foil, 0.25W, 556ohm, 73V, 0.01% +/-Tol, -.2,.2ppm/Cel, 2412,

SMR1DZ556R00TCR0.2TBT Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Objectid942907803
Reach Compliance Codeunknown
ECCN codeEAR99
structureMolded
JESD-609 codee0
Number of terminals2
Maximum operating temperature175 °C
Minimum operating temperature-55 °C
Package height2.49 mm
Package length5.99 mm
Package formSMT
Package width3.2 mm
method of packingTR
Rated power dissipation(P)0.25 W
resistance556 Ω
Resistor typeFIXED RESISTOR
seriesSMR1DZ (Z-FOIL)
size code2412
technologyMETAL FOIL
Temperature Coefficient0.2 ppm/°C
Terminal surfaceTin/Lead (Sn/Pb)
Tolerance0.01%
Operating Voltage73 V
SMR1DZ/SMR3DZ (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Z-Foil Molded Surface Mount Resistor with
TCR down to ± 0.05 ppm/°C, PCR of ± 5 ppm at Rated Power,
Flexible Terminations, and Load Life Stability of ± 0.005 % (50 ppm)
FEATURES
Temperature Coefficient of Resistance (TCR):
± 0.05 ppm/°C typical (0 °C to + 60 °C)
Pb-free
± 0.2 ppm°C typical (- 55 °C to + 125 °C,
Available
+ 25 °C Ref.)
RoHS*
Tolerance: to ± 0.01 %
COMPLIANT
Power Coefficient of Resistance (PCR)
“ΔR due to self heating”: 5 ppm at Rated Power
Flexible terminations ensure minimal stress transference
from the PCB due to a difference in Thermal Coefficient of
Expansions (TCE)
Electrostatic Discharge (ESD) above 25 000 Volts
Load Life Stability: ± 0.005 % (70 °C, 2000 hours at Rated
Power)
Resistance Range: 5
Ω
to 80 kΩ (for higher and lower
values, please contact us)
Power Rating: to 600 mW at 70 °C
Non Inductive, Non Capacitive Design
Current Noise: - 40 dB
Voltage Coefficient: < 0.1 ppm/V
Non Inductive: < 0.08
Non Hot Spot Design
Terminal Finishes available: Lead (Pb)-free
Tin/Lead Alloy
Matched sets with TCR tracking are available upon request
For higher performances please contact us
Any value available within resistance range (e.g. 1K234)
Prototype samples available from 48 hours. For more
information, please contact foil@vishay.com
Any value at any tolerance available within resistance range
INTRODUCTION
The SMRxDZ is an ultra high precision molded surface
mountable resistor offering all the elements of precision;
including low TCR, tight tolerance, long term stability, low
noise, low thermal EMF, and non-measurable voltage
coefficient. One of the important parameters influencing
stability is the Temperature Coefficient of Resistance (TCR).
Although the TCR of foil resistors is considered extremely
low, this characteristic has been further refined over the
years. The SMRxDZ utilizes ultra high precision Bulk Metal
®
Z-Foil.
The Z-Foil technology provides a significant reduction of
the resistive element’s sensitivity to ambient temperature
variations (TCR) and to self heating when power is applied
(power coefficient).
IM
PR
O
VE
D
Voltage division with tight tracking < 2 ppm/°C can be
achieved with 2
randomly
selected units even with a large
ratio between the two values.
Our Application Engineering Department is available to
advise and make recommendations. For non-standard
technical requirements and special applications, please
contact us.
TABLE 1 - TOLERANCE AND TCR VERSUS
RESISTANCE VALUE
(- 55 °C to + 125 °C, + 25 °C Ref.)
VALUE
STANDARD
TOLERANCE
1)
± 0.01 %
TYPICAL TCR AND
MAX. SPREAD
1)
(ppm/°C)
± 0.2 ± 1.8
± 0.2 ± 2.8
± 0.2 ± 4.8
Percent of Rated Power (%)
50
Ω
to 80 kΩ
20
Ω
to < 50
Ω
10
Ω
to < 20
Ω
5
Ω
to < 10
Ω
± 0.02 %
± 0.05 %
± 0.1 %
± 0.2 ± 6.8
Note
1. Tighter performances are available
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63118
Revision: 30-Jul-07
For any questions, contact: foil@vishay.com
www.vishay.com
1
PR
O
DU
CT
APPLICATIONS
Precision amplifiers
High precision instrumentation
Medical
Automatic test equipment (ATE)
Industrial
Audio (High end stereo
equipment)
EB application
Military, airborne and space
Pulse application
Measurement instrumentation
R
2
R
1
Vin
-
Vout
+
SMRXDZ
FIGURE 1 - POWER DERATING CURVE
200
175
150
125
100
75
50
25
0
- 75
- 25
+ 25
+ 75
+ 125
Ambient Temperature (°C)
+ 175
- 55 °C
+ 70 °C
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