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Y0020100M250T0L (Vishay Siliconix) : Total 4 Pages

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VSR Series
Vishay Foil Resistors
Bulk Metal® Foil Technology Industrial Precision Resistors
with TCR of ± 4 ppm/°C and Tolerance of ± 0.01 %
Any value at any tolerance available with resistance range
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 inches 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.
FIGURE 1 - POWER DERATING CURVE
- 55 °C
200 %
175 %
+ 70 °C
Double Rated Power
150 %
125 %
100 %
Rated Power
75 %
50 %
25 %
Safe operation
for < 150 ppm
R after 2000
hours load-life.
0
- 75 - 50 - 25
0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200
Ambient Temperature (°C)
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.)
Pb-free
Available
Resistance Range: 0.5 Ω to 1 MΩ (higher or RoHS*
lower values of resistance are available)
COMPLIANT
Resistance Tolerance: to ± 0.01 %
Load Life Stability: to ± 0.005 % at 70 °C, 2000 hours at
rated power
Electrostatic Discharge above 25 000 V
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
Inductance: 0.08 µH
Matched Sets Available
Terminal Finishes Available: Lead (Pb)-free
Tin/Lead Alloy
Any value available within resistance range (e.g. 1K234)
Prototype samples available from 48 hours. For more
information, please contact foil@vishay.com
For better performances please review the S Series
datasheet
Note
1. For values below 50 Ω please contact Application Engineering
APPLICATIONS
Industrial
Medical
Audio (high end stereo equipment)
Test and Measurement equipment
Precision Amplifiers
FIGURE 2 - TRIMMING TO VALUES
(Conceptual Illustration)
Interloop Capacitance
Reduction in Series
Mutual Inductance
Reduction due
to Change in
Current Direction
Current Path
Before Trimming
Current Path
After Trimming
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing
Resistance
Note: Foil shown in black, etched spaces in white
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63009
Revision: 16-Jul-07
For any questions, contact: foil@vishay.com
www.vishay.com
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VSR Series
Vishay Foil Resistors Bulk Metal® Foil Technology Industrial Precision Resistors
with TCR of ± 4 ppm/°C and Tolerance of ± 0.01 %
FIGURE 3 - IMPRINTING AND DIMENSIONS
Front View
L
Date Code
VISHAY 07 10
H XXXX Year Week
VSR4
W
ST
Model Number
LS
Lead Material #22AWG
Round Solder Coated Copper
Rear View
100R01
0.01 %
Resistance
Value Code
Tolerance
SW LL
TABLE 1 - MODEL SELECTION
MODEL
NUMBER
RESISTANCE
(Ω)
POWER
at
+ 70 °C
POWER
at
+ 125 °C
MAXIMUM
WORKING
VOLTAGE
DIMENSIONS
INCHES
mm
VSR
VSRJ1).
1 to 150K
0.3 W 0.2 W
up to 100K
0.25 W 0.15 W
over 100K
300 W: 0.105 ± 0.010 2.67 ± 0.25
L: 0.300 ± 0.010 7.62 ± 0.25
H: 0.326 ± 0.010 8.28 ± 0.25
ST: 0.010 Minimum 0.254 Minimum
SW: 0.040 ± 0.005 1.02 ± 0.13
LL: 1.000 ± 0.125 25.4 ± 3.18
LS: 0.150 ± 0.0051) 3.81 ± 0.13
LOAD LIFE
STABILITY
(MAXIMUM
ΔR)
MAXIMUM
TEMPERATURE
COEFFICIENT
OF RESISTANCE
(+ 25 °C REF.)
0.05 %
2000 hours
at + 125 °C
0 °C to + 60 °C
± 4 ppm/°C
- 55 °C to + 125 °C
± 8 ppm/°C
TIGHTEST
TOLERANCE %
VS. LOWEST
RESISTANCE
VALUE (Ω)
± 0.01/25
± 0.02/12
± 0.05/5
± 0.1/2
± 0.25/2
± 0.5/1
± 1/1
VSR4
VSR5
VSR6
1 to 500K
0.5 W 0.4 W
up to 200K
0.25 W 0.2 W
over 200K
1 to 750K
0.75 W 0.6 W
up to 300K
0.4 W 0.3 W
over 300K
0.5 to 1M
1.0 W 0.8 W
up to 400K
0.5 W 0.4 W
over 400K
350 W: 0.160 Maximum 4.06 Maximum
L: 0.575 Maximum 14.61 Maximum
H: 0.413 Maximum 10.49 Maximum
ST: 0.035 ± 0.005 0.89 ± 0.13
SW: 0.050 ± 0.005 1.27 ± 0.13
LL: 1.000 ± 0.125 25.4 ± 3.18
LS: 0.400 ± 0.020 10.16 ± 0.51
350 W: 0.160 Maximum 4.06 Maximum
L: 0.820 Maximum 20.83 Maximum
H: 0.413 Maximum 10.49 Maximum
ST: 0.035 ± 0.005 0.89 ± 0.13
SW: 0.050 ± 0.005 1.27 ± 0.13
LL: 1.000 ± 0.125 25.4 ± 3.18
LS: 0.650 ± 0.020 16.51 ± 0.51
500 W: 0.260 Maximum 6.60 Maximum
L: 1.200 Maximum 30.48 Maximum
H: 0.413 Maximum 10.49 Maximum
ST: 0.035 ± 0.005 0.89 ± 0.13
SW: 0.050 ± 0.005 1.27 ± 0.13
LL: 1.000 ± 0.125 25.4 ± 3.18
LS: 0.900 ± 0.020 22.86 ± 0.51
± 0.005/30
± 0.01/20
± 0.02/10
± 0.05/5
± 0.1/1
± 0.25/1
± 0.5/1
± 1/1
Note
1. 0.200 inches (5.08 mm) lead spacing available - specify VSRJ.
FIGURE 4 - TEMPERATURE COEFFICIENT OF RESISTANCE
+ 400
+ 200
ΔR + 100
R0
(ppm) - 100
- 200
+ 4 ppm/°C
+ 140
- 4 ppm/°C
- 140
- 400
0
+ 25
Temperature, °C
+ 60
www.vishay.com
2
For any questions, contact: foil@vishay.com
Document Number: 63009
Revision: 16-Jul-07



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VSR Series
Bulk Metal® Foil Technology Industrial Precision Resistors Vishay Foil Resistors
with TCR of ± 4 ppm/°C and Tolerance of ± 0.01 %
TABLE 2 - GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBER: Y0075100K250A9L (preferred part number format)
DENOTES PRECISION
Y
VALUE
R=Ω
K = kΩ
M = MΩ
AER*
0 = Standard
9 = Lead (Pb)-free
1 - 999 = Custom
Y0 0 7 5 1 0 0K2 5 0A9 L
PRODUCT CODE
0075 = VSR
0789 = VSRJ
0020 = VSR4
0021 = VSR5
0022 = VSR6
RESISTANCE TOLERANCE
T = ± 0.01 %
Q = ± 0.02 %
A = ± 0.05 %
B = ± 0.1 %
C = ± 0.25 %
D = ± 0.5 %
F = ± 1.0 %
FOR EXAMPLE: ABOVE GLOBAL ORDER Y0075 100K250 A 9 L:
TYPE: VSR
VALUE: 100.25 kΩ
ABSOLUTE TOLERANCE: ± 0.05 %
TERMINATION: Lead (Pb)-free
PACKAGING: Bulk Pack
HISTORICAL PART NUMBER EXAMPLE: VSRT 100K25 A B (will continue to be used)
VSR
T 100K25 A
MODEL
VSR
VSRJ
VSR4
VSR5
VSR6
TERMINATION
T = Lead (Pb)-free
None = Tin/Lead alloy
OHMIC VALUE
100.25 kΩ
RESISTANCE
TOLERANCE
T = ± 0.01 %
Q = ± 0.02 %
A = ± 0.05 %
B = ± 0.1 %
C = ± 0.25 %
D = ± 0.5 %
F = ± 1.0 %
Note
* For non-standard requests, please contact Application Engineering.
PACKAGING
L = Bulk Pack
B
PACKAGING
B = Bulk Pack
Document Number: 63009
Revision: 16-Jul-07
For any questions, contact: foil@vishay.com
www.vishay.com
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Disclaimer
Legal Disclaimer Notice
Vishay
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
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