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Datasheet> All Categories > Passive components> The resistor> Z2028K2500AB
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Z2028K2500AB

Description
Fixed Resistor, Metal Foil, 0.25W, 8250ohm, 250V, 0.05% +/-Tol, -.2,.2ppm/Cel, 2512,
CategoryPassive components    The resistor   
File Size82KB，4 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Download Datasheet Parametric View All

Z2028K2500AB Overview

Fixed Resistor, Metal Foil, 0.25W, 8250ohm, 250V, 0.05% +/-Tol, -.2,.2ppm/Cel, 2512,

Z2028K2500AB Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Objectid944144441
Reach Compliance Codeunknown
ECCN codeEAR99
structureRectangular
Lead diameter0.635 mm
Lead length19.05 mm
lead spacing3.18 mm
Number of terminals2
Maximum operating temperature175 °C
Minimum operating temperature-55 °C
Package height6.35 mm
Package length6.35 mm
Package shapeRECTANGULAR PACKAGE
Package formRadial
Package width3.18 mm
method of packingBulk
Rated power dissipation(P)0.25 W
resistance8250 Ω
Resistor typeFIXED RESISTOR
seriesZ202 (Z-FOIL)
size code2512
technologyMETAL FOIL
Temperature Coefficient0.2 ppm/°C
Tolerance0.05%
Operating Voltage250 V

Z2028K2500AB Preview

Z202
Vishay Foil Resistors
Ultra High Precision Z-Foil Miniature Resistor with
TCR of ± 0.05 ppm/°C, PCR of 5 ppm at Rated Power
and Tolerance to ± 0.01 %
FEATURES
100R01
0.01
%
0745 -
V
Z202
Any value at any tolerance available with resistance range
The Z202 is a miniaturized version of the now famous Z201. It is
made with a Bulk Metal
®
Z-Foil element so it retains all of the
inherent performance of Z-Foil resistors.
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.
Our Application Engineering Department is available to
advise and to make recommendations. For non-standard
technical requirements and special applications, please
contact us.
FIGURE 1 - IMPRINTING AND DIMENSIONS
Front View
Date Code
45
07
Year Week
For Lead (Pb)-free Option
L
W
Resistance
Value Code
•
Temperature coefficient of resistance (TCR):
± 0.05 ppm/°C typical (0 °C to + 60 °C);
Pb-free
Available
± 0.2 ppm/°C typical (- 55 °C to + 125 °C,
+ 25 °C ref.)
RoHS*
•
Tolerance: to ± 0.01 %
COMPLIANT
•
Power coefficient of resistance (PCR) “ΔR due
to self heating”: ± 5 ppm at rated rower
•
Electrostatic discharge (ESD) above 25 000 V
•
Resistance range: 5
Ω
to 30 kΩ
(for higher or lower values, please contact us)
•
Power rating: 0.25 W at + 70 °C; 0.125 W at + 125 °C
•
Load life stability: ± 0.01 % maximum
ΔR
at + 70 °C at
Rated power for 2000 h
•
Non inductive, non capacitive design
•
Current noise: - 40 dB
•
Thermal EMF: < 0.1 µV/°C
•
Voltage coefficient: < 0.1 ppm/V
•
Non inductive: < 0.08 µH
•
Non hot spot design
•
Maximum working voltage: 250 V
•
Terminal finishes available: lead (Pb)-free
tin/lead alloy
•
Any value available within resistance range (e.g. 1K234)
•
Prototype samples available from 48 h. For more
information, please contact foil@vishay.com
•
For better performances, please see Z201 datasheet
FIGURE 2 - POWER DERATING CURVE
Rear View
200
%
- 55 °C
+ 70 °C
Percent of Rated Power at + 125 °C
Double Rated Power
175
%
150
%
125
%
100
%
75
%
50
%
25
%
0
- 75 - 50 - 25
0745 -
H
V
Z202
100R01
0.01
%
Tolerance
Rated Power
ST
LL
LS
Lead Material
#22 AWG (0.025 Dia.)
Solder Coated Copper
0
+ 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200
DIMENSIONS
L:
H:
W:
ST:
LL:
LS:
INCHES
0.250 ± 0.010
0.250 ± 0.010
0.125 ± 0.010
0.020 ± 0.010
0.750 minimum
0.125 ± 0.005
mm
6.35 ± 0.25
6.35 ± 0.25
3.18 ± 0.25
0.51 ± 0.25
19.05 minimum
3.18 ± 0.13
50
Ω
to 30 kΩ
20
Ω
to < 50
Ω
10
Ω
to < 20
Ω
5
Ω
to < 10
Ω
Ambient Temperature (°C)
TABLE 1 - TOLERANCE AND TCR VERSUS
VALUE
TYPICAL TCR AND
STANDARD
MAXIMUM SPREAD
TOLERANCE - 55 °C to + 125 °C (+ 25 °C Ref.)
± 0.01 %
± 0.02 %
± 0.05 %
± 0.1 %
± 0.2 ± 1.8
± 0.2 ± 2.8
± 0.2 ± 4.8
± 0.2 ± 6.8
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63131
Revision: 13-Nov-07
For any questions, contact: foil@vishay.com
www.vishay.com
1
Z202
Vishay Foil Resistors
Ultra High Precision Z-Foil Miniature Resistor with
TCR of ± 0.05 ppm/°C, PCR of 5 ppm at Rated Power
and Tolerance to ± 0.01 %
FIGURE 4 - TRIMMING TO VALUES
(Conceptual Illustration)
FIGURE 3 - TYPICAL TCR CURVE Z-FOIL
+ 500
+ 400
+ 300
+ 200
+ 100
ΔR
0
R
(ppm)
- 100
- 200
- 300
- 400
- 500
- 55
- 25
0
+ 25
+ 60 + 75
+ 100 + 125
- 0.16 ppm/°C
Interloop Capacitance
Reduction in Series
Current Path
Before Trimming
Current Path
After Trimming
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing
Resistance
0.05 ppm/°C
- 0.1 ppm/°C
0.1 ppm/°C
0.14 ppm/°C
0.2 ppm/°C
Mutual Inductance
Reduction due
to Change in
Current Direction
Ambient Temperature (°C)
Note:
Foil shown in
black,
etched spaces in
white
TABLE 2 - ENVIRONMENTAL PERFORMANCE COMPARISON
MIL-PRF-55182
CHAR J
Test Group I
Thermal shock (5 x - 65 °C to + 150 °C)
Short time overload (6.25 x P
nom
x 5 s)
Test Group II
Resistance temperature characteristic
Low temperature storage
Low temperature operation
Terminal strength
Test Group III
DWV
Resistance to soldering heat
Moisture resistance
Test Group IV
Shock
Vibration
Test Group V
Life test at 0.125 W, 125 °C for 2000 h
Test Group Va
Life test at 0.25 W (2 x rated power), 70 °C for 2000 h
Test Group VI
High temperature exposure
± 2.0 %
± 0.1 % (1000 ppm)
± 0.05 % (500 ppm)
± 0.5 %
± 0.02 % (200 ppm)
± 0.01 % (100 ppm)
± 0.5 %
± 0.025 % (250 ppm)
± 0.01 % (100 ppm)
± 0.2 %
± 0.2 %
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
± 0.15 %
± 0.1 %
± 0.4 %
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.05 % (500 ppm)
± 0.002 % (20 ppm)
± 0.005 % (50 ppm)
± 0.01 % (100 ppm)
± 25 ppm/°C
± 0.15 %
± 0.15 %
± 0.2 %
See table 1
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.05 ppm/°C
(0 °C to + 60 °C)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
± 0.2 %
± 0.2 %
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.005 % (50 ppm)
± 0.005 % (50 ppm)
VISHAY Z202
MAXIMUM
ΔR
TYPICAL
ΔR
www.vishay.com
2
For any questions, contact: foil@vishay.com
Document Number: 63131
Revision: 13-Nov-07
Z202
Ultra High Precision Z-Foil Miniature Resistor with
Vishay Foil Resistors
TCR of ± 0.05 ppm/°C, PCR of 5 ppm at Rated Power
and Tolerance to ± 0.01 %
TABLE 3 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y107325K4540Q9L (preferred part number format)
DENOTES PRECISION
Y
VALUE
R
=
Ω
K
= kΩ
AER*
0
= standard
9
= lead (Pb)-free
1 - 999
= custom
Y
1
0
7
3
2
5
K
4
5
4
0
Q
9
L
PRODUCT CODE
1073
= Z202
RESISTANCE TOLERANCE
V
= ± 0.005 %
T
= ± 0.01 %
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.1 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
PACKAGING
L
= bulk pack
FOR EXAMPLE: ABOVE GLOBAL ORDER Y1073 25K4540 Q 9 L:
TYPE: Z202
VALUE: 25.454 kΩ
ABSOLUTE TOLERANCE: ± 0.02 %
TERMINATION: lead (Pb)-free
PACKAGING: bulk pack
HISTORICAL PART NUMBER EXAMPLE: Z202T 25K454 Q B (will continue to be used)
Z202
MODEL
Z202
T
TERMINATION
T
= lead (Pb)-free
None = tin/lead alloy
25K454
OHMIC VALUE
25.454 kΩ
Q
RESISTANCE
TOLERANCE
V
= ± 0.005 %
T
= ± 0.01 %
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.1 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
B
PACKAGING
B
= bulk pack
Note
* For non-standard requests, please contact Application Engineering.
Document Number: 63131
Revision: 13-Nov-07
For any questions, contact: foil@vishay.com
www.vishay.com
3
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1
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