RS92N, RS92NA, AN
Vishay Foil Resistors
High Precision Foil Resistor with TCR of ± 2.0 ppm/°C,
Tolerance of ± 0.01 % and Load Life Stability
of ± 0.005 % CECC Qualified
FEATURES
Temperature coefficient of resistance (TCR):
± 2 ppm/°C typical (- 55 °C to + 155 °C, ref. + 20 °C)
Resistance range: 80.6
to
120 k
Foil resistors are not restricted to standard values; specific
“as required” values can be supplied at no extra cost or
delivery (e.g. 1K2345 vs. 1K)
Rated power: to 0.25 W at + 125 °C
Tolerance: ± 0.01 %
Load life stability: to ± 0.005 % at 70 °C, 2000 h at rated
power
Electrostatic discharge up to 25 000 V
Non inductive, non capacitive design
Rise time: 1 ns effectively no ringing
Current noise: < - 40 dB
Thermal EMF: 0.05 µV/°C typical
Voltage coefficient: < 0.1 ppm/V
Low inductance: < 0.08 µH typical
Non hot spot design
Terminal finish available: tin/lead alloy
Matched sets are available per request
(TCR Tracking: to 0.5 ppm/°C)
For better TCR and PCR performances please review the
RNC90Z
and
Z555
datasheets
INTRODUCTION
Bulk Metal
®
Foil (BMF) technology outperforms 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. BMF
technology allows us to produce customer orientated
products, designed to satisfy challenging and specific
technical requirements.
Models RS92N, RS92NA, and AN made from BMF offers low
TCR, excellent load life stability, tight tolerance, fast
response time, low current noise, low thermal EMF and low
voltage coefficient, all in one resistor.
The RS92N, RS92NA, and AN are virtually insensitive to
destabillizing factors. The resistor element is a solid alloy
that displays the desirable bulk properties of its parent
material, thus it is inherently stable and noise free.
Vishay’s Bulk Metal
®
RS92N, RS92NA, and AN resistors are
the modern generation of precision resistors. The standard
design of these resistors provides a unique combination of
characteristics found in no other single resistor.
Our Application Engineering Department is available to
advise and to make recommendations. For non-standard
technical requirements and special applications, please
contact us.
TABLE 1 - TOLERANCE AND TCR VS. RESISTANCE VALUE
(- 55 °C to + 155 °C, + 20 °C Ref.)
RESISTANCE VALUE
()
80.6 to 120K
TOLERANCE
(%)
± 0.01
TYPICAL TCR AND MAX. SPREAD
(ppm/°C)
±2±3
TABLE 2 - MECHANICAL AND ENVIRONMENTAL SPECIFICATIONS
Mechanical Protection
Resistive Element
Unit Weight
Temperature Limits
Climatic Category
Insulated case
Nickel-chromium
0.3 g
- 55 °C to + 155 °C
55/155/56
Document Number: 63138
Revision: 25-Mar-10
For any questions, contact:
foil@vishaypg.com
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1
RS92N, RS92NA, AN
Vishay Foil Resistors
TABLE 3 - ELECTRICAL SPECIFICATIONS
RS92N, RS92NA
Qualified Ohmic Range
Qualified Tolerances
Power Rating
Temperature Coefficient
Dielectric Strength
Insulation Resistance
Thermal EMF
Noise
Thermal Resistance
AN
80R6 to 120K
80R6 to 92K
0.01 % to 1 %
0.5 W at +70 °C
0.25 W at + 125 °C
see diagram
700 V
AC
> 10
4
M
< 0.5 µV for 1 °C of difference between leads
non measureable
0.14 °C/mW
TABLE 4 - PERFORMANCE
TESTS
CONDITIONS
2.5 U
n
/5 s
U
max.
< 2 U
n
- 55 °C to + 155 °C, 5 cycles
CEI 68-2-14 test Na
CEI 68-2-21
test Ua (pulling), Ub (bending),
Uc (twisting)
260 °C/10 s
CEI 68-2-20A test Tb (method 1A)
10 Hz to 500 Hz
0.75 mm or 10g for 6 h method B4
CEI 68-2-6 test Fc
- 55 °C to + 155 °C, 6 cycles,
95 % R.H., 85 mbar
CEI 68-1
56 days, 95 % R.H., 40 °C
CEI 68-2-3
1000 h Pr at + 70 °C
90’/30’ cycle
1000 h/155 °C
CEI 68-2-20A test B
REQUIREMENTS
C 83-220
CECC 40302-001
± 0.01 %
± 0.01 %
TYPICAL DRIFTS
Overload
Temperature Cycling
± 0.002 %
± 0.003 %
Terminals Strength
± 0.01 %
± 0.002 %
Resistance to Soldering Heat
± 0.01 %
± 0.002 %
Vibrations
± 0.01 %
± 0.002 %
Climatic Sequence
± 0.05 %
Insulation R > 10
2
M
± 0.05 %
Insulation R > 10
2
M
± 0.05 %
± 0.05 %
± 0.003 %
Insulation R > 10
4
M
± 0.003 %
Insulation R > 10
4
M
± 0.01 %
± 0.01 %
Humidity (Steady State)
Load Life
High Temperature Exposure
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Document Number: 63138
Revision: 25-Mar-10
RS92N, RS92NA, AN
Vishay Foil Resistors
FIGURE 1 - STANDARD IMPRINTING AND DIMENSIONS
Front View
L
VISHAY
XXXX
RS92
Date Code
01
10
Year
Week
ST
1)
W
Rear View
Optional Customer Part
Number
Print specification, etc. if required
XXXXXX
100R01
0.01
%
Resistance
Value
Code
Tolerance
H
Model
Number
LS
SW
Lead Material #22 AWG
Round Solder Coated Copper
LL
Note
1. The standoffs shall be so located as to give a lead clearance of 0.010" minimum between the resistor body and the printed circuit board
when the standoffs are seated on the printed circuit board. This is to allow for proper cleaning of flux and other contaminants from the unit
after all soldering processes.
MODEL
RS92NA
RS92N
AN
DIM.
mm
mm
mm
LS
3.81 ± 0.13
5.08 ± 0.076
5.08 ± 0.076
W
2.50 max.
2.50 max.
2.50 max.
L
7.50 max.
7.50 max.
7.50 max.
H
8.00 max.
8.00 max.
8.00 max.
ST
0.254 min.
0.254 min.
0.254 min.
LL
25.4 min.
25.4 min.
25.4 min.
WEIGHT
NOMINAL
0.6 g
0.6 g
0.6 g
FIGURE 2 - TRIMMING TO VALUES
(Conceptual Illustration)
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
Mutual Inductance
Reduction due
to Change in
Current Direction
Note:
Foil shown in
black,
etched spaces in
white
FIGURE 3 - POWER DERATING CURVE
+ 70 °C
1.00
+ 155 °C
FIGURE 4 - TYPICAL RESISTANCE/
TEMPERATURE CURVE
+ 150
+ 100
Rated Power (W)
0.75
Δ
R
0.50
+ 50
0
R
(ppm)
C Alloy
2 ppm/°C
- 50
- 100
2 ppm/
°
C
0.25
- 150
- 200
- 50
- 55
- 25
0
+ 25
+ 50
+ 75
+ 100
+ 125
0
0
25
50
75
100
125
150
175
Ambient Temperature (°C)
Ambient Temperature (°C) and TCR Chord Slopes
for Different Temperature Ranges
Document Number: 63138
Revision: 25-Mar-10
For any questions, contact:
foil@vishaypg.com
www.foilresistors.com
3
RS92N, RS92NA, AN
Vishay Foil Resistors
TABLE 5 - GLOBAL PART NUMBER INFORMATION
(1)
NEW GLOBAL PART NUMBER: Y144280K5000T0L (preferred part number format)
DENOTES PRECISION
Y
VALUE
R
=
K
= k
M
= M
CHARACTERISTICS
0
= standard
1 to 999
= custom
Y
1
4
4
2
8
0
K
5
0
0
0
T
0
L
PRODUCT CODE
1442
= RS92N
1687
= RS92NA
1688
= AN
RESISTANCE TOLERANCE
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 Y1442 80K5000 T 0 L:
TYPE: RS92N
VALUE: 80.5 k
ABSOLUTE TOLERANCE: ± 0.01 %
TERMINATION: standard
PACKAGING: bulk pack
HISTORICAL PART NUMBER: RS92N 250R00 T B (will continue to be used)
RS92N
MODEL
RS92N
RS92NA
AN
TERMINATION
None = tin/lead alloy
250R00
RESISTANCE VALUE
250R00
= 250.00
5K2310
= 5.231 k
1M000
= 1 M
T
TOLERANCE
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
(1)
For non-standard requests, please contact application engineering.
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For any questions, contact:
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Document Number: 63138
Revision: 25-Mar-10
Legal Disclaimer Notice
Vishay Precision Group
Disclaimer
ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.
Vishay Precision Group, Inc., its affiliates, agents, and employees, and all persons acting on its or their
behalf (collectively, “Vishay Precision Group”), disclaim any and all liability for any errors, inaccuracies or
incompleteness contained herein or in any other disclosure relating to any product.
The product specifications do not expand or otherwise modify Vishay Precision Group’s terms and conditions of
purchase, including but not limited to, the warranty expressed therein.
Vishay Precision Group makes no warranty, representation or guarantee other than as set forth in the terms
and conditions of purchase.
To the maximum extent permitted by applicable law, Vishay Precision Group
disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability,
including without limitation special, consequential or incidental damages, and (iii) any and all implied
warranties, including warranties of fitness for particular purpose, non-infringement and merchantability.
Information provided in datasheets and/or specifications may vary from actual results in different applications
and performance may vary over time. Statements regarding the suitability of products for certain types of
applications are based on Vishay Precision Group’s knowledge of typical requirements that are often placed on
Vishay Precision Group products. It is the customer’s responsibility to validate that a particular product with the
properties described in the product specification is suitable for use in a particular application.
No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or by
any conduct of Vishay Precision Group.
The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise
expressly indicated. Customers using or selling Vishay Precision Group products not expressly indicated for use
in such applications do so entirely at their own risk and agree to fully indemnify Vishay Precision Group for any
damages arising or resulting from such use or sale. Please contact authorized Vishay Precision Group 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 No.: 63999
Revision: 27-Apr-11
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