VSH, VSC
Bulk Metal
®
Foil Technology Low Profile Conformally Coated High
Precision Resistor with Tight Tolerance from ± 0.01 % and Load Life
Stability of ± 0.01 % and Instantaneous Thermal Stabilization
FEATURES
Temperature coefficient of resistance (TCR):
± 2.0 ppm/°C typical (- 55 °C to + 125 °C,
+ 25 °C ref.) (see table 1)
Tolerance: to ± 0.01 %
Power rating: to 300 mW at + 70 °C
Load life stability: to ± 0.01 % at 70 °C, 2000 h at rated
power
Resistance range: 5
to 120 k (for higher and lower
values, please contact us)
Vishay 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)
Thermal stabilization time < 1 s
Electrostatic discharge (ESD) up to 25 000 V
Short time overload:
0.01 %
Maximum working voltage: 300 V
Non inductive, non capacitive design
Rise time: 1 ns effectively no ringing
Current noise: < - 42 dB
Voltage coefficient < 0.1 ppm/V
Non inductive: < 0.08 µH
Non hot spot design
Terminal finish: lead (Pb)-free or tin/lead alloy
Matched sets are available per request
Compliant to RoHS directive 2002/95/EC
Prototype quantities available in just 5 working days
or sooner. For more information, please contact
foil@vpgsensors.com
For better performances please review
Z201
and
S102C
Series datasheets
INTRODUCTION
Bulk Metal
®
Foil (BMF) technology out-performs all other
resistor technologies available today for applications that
require high precision and high stability, and allows
production of customer oriented products designed to satisfy
challenging and specific technical requirements.
The BMF provides an inherently low and predictable
Temperature Coefficient of Resistance (TCR) and excellent
load life stability for high precision analog applications.
Model VSH offers low TCR, excellent load life stability, tight
tolerance, excellent shelf life stability, low current noise and
low voltage coefficient, all in the same resistor.
Our application engineering department is available to
advise and make recommendations. For non-standard
technical requirements and special applications, please
contact us using the e-mail address in the footer below.
FIGURE 1 - STANDARD IMPRINTING AND
DIMENSIONS
in millimeters
L
T
Resistance value code
Tolerance
symbol
DATE CODE
92
20
YEAR WEEK
VSH1
9220
H
10K0
T TCR
25.4
(1.0 min.)
LS
Lead material #22 AWG (0.025 diameter)
solder coated copper
APPLICATIONS
Automatic test equipment (ATE)
High precision instrumentation
Laboratory, industrial and medical
Audio
EB applications (electron beam scanning and recording
equipment, electron microscopes)
Commercial aviation
Airborne
Down hole instrumentation
Communication
L
VSH1
VSC1
VSH2
VSC2
H
T
LS
5.08 ± 0.25
(0.200 ± 0.01)
3.81 ± 0.25
(0.150 ± 0.01)
5.08 ± 0.25
(0.200 ± 0.01)
3.81 ± 0.25
(0.150 ± 0.01)
5.8 ± 0.5
5.5 ± 1
2.2 ± 0.5
(0.228 ± 0.02) (0.216 ± 0.04) (0.086 ± 0.02)
6.7 ± 0.5
8±1
2.78 ± 0.5
(0.263 ± 0.02) (0.315 ± 0.04) (0.110 ± 0.02)
Note
• Letters H and C indicate a difference in lead spacing and -2 is an
extension range
Document Number: 63087
Revision: 3-Mar-15
For any questions, contact
foil@vpgsensors.com
www.vishayfoilresistors.com
1
VSH, VSC
TABLE 1 - TOLERANCE AND TCR VS. RESISTANCE VALUE
(- 55 °C to + 125 °C, + 25 °C Ref.)
RESISTOR
VSH2
VSC2
VSH1
VSC1
VSH1
VSC1
VSH1
VSC1
RESISTANCE VALUE
()
60K to 120K
80 to < 60K
50 to < 80
5 to < 50
TYPICAL TCR AND MAX. SPREAD
(ppm/°C)
± 2 ± 4.5
± 2 ± 4.5
± 2 ± 5.5
± 2 ± 6.5
TOLERANCE
(%)
± 0.01 %
± 0.01 %
± 0.02 %
± 0.05 %
TABLE 2 - PERFORMANCE SPECIFICATIONS
TEST
Moisture Resistance
Pressure Cooker Test
Short Time Overload
Resistance to Solder Heat
Terminal Strength
Insulation Resistance
Dielectric Withstanding Voltage
Thermal Shock
Shock
Vibration
Load Life Stability
Thermal EMF
Current Noise
Low Temperature Storage
Low Temperature Operation
High Temperature Exposure
CONDITIONS
MIL-STD-202, method 106
2 atmospheres absolute pressure,
121 °C, 100 % R.H. for 100 h
6.25 x P
nom
, 5 s
+ 260 °C, 20 s
2 lbs, 10 s
DC 100 V, 2 min
AC 300 V, 1 min
- 65 °C to + 150 °C, 5 cycles
MIL-STD-202, method 213, condition I
MIL-STD-202, method 204, condition D
0.3 W, + 70 °C, 2000 h
-
Quan-Tech
24 h at - 65 °C
45 min at - 65 °C
+ 150 °C
R
(%) - TYPICAL
± 0.005
± 0.2
± 0.005
± 0.01
± 0.0025
> 10 000M
± 0.0025
± 0.01
± 0.005
± 0.01
± 0.01
0.07 µV/°C
- 42 dB
± 0.005
± 0.005
± 0.01
R
(%) - MAXIMUM
± 0.03
± 0.4
± 0.05
± 0.03
± 0.03
> 10 000M
± 0.03
± 0.02
± 0.03
± 0.03
± 0.015
0.1 µV/°C
- 32 dB
± 0.01
± 0.01
± 0.03
FIGURE 2 - TRIMMING TO VALUES
(Conceptual Illustration)
FIGURE 3 - POWER DERATING CURVE
+ 70 °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
Percent of Rated Power
100
75
50
Mutual Inductance
Reduction due
to Change in
Current Direction
25
0
- 75
- 50
- 25
0
+ 25
+ 50
+ 75 + 100 + 125 + 150 + 175
Ambient Temperature (°C)
Note:
Foil shown in black, etched spaces in white
www.vishayfoilresistors.com
2
For any questions, contact
foil@vpgsensors.com
Document Number: 63087
Revision: 3-Mar-15
VSH, VSC
TABLE 3 - GLOBAL PART NUMBER INFORMATION
(1)
NEW GLOBAL PART NUMBER: Y090212K7560T9L (preferred part number format)
DENOTES PRECISION
Y
VALUE
R
=
K
= k
CHARACTERISTICS
0
= standard
9
= lead (Pb)-free
1 to 999
= custom
Y
0
9
0
2
1
2
K
7
5
6
0
T
9
L
PRODUCT CODE
0875
= VSH1
0902
= VSC1
0934
= VSH2
0903
= VSC2
RESISTANCE TOLERANCE
T
= ± 0.01 %
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.10 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
PACKAGING
L
= bulk
FOR EXAMPLE: ABOVE GLOBAL ORDER Y0902 12K7560 T 9 L:
TYPE: VSC1
VALUES: 12.7560 k
ABSOLUTE TOLERANCE: 0.01 %
TERMINATION: lead (Pb)-free
PACKAGING: bulk
HISTORICAL PART NUMBER: VSC1 T 12K756 T B (will continue to be used)
VSC1
MODEL
VSH1
VSC1
VSH2
VSC2
T
TERMINATION
T
= lead (Pb)-free
None = tin/lead alloy
12K756
RESISTANCE
VALUE
12.756 k
T
TOLERANCE
T
= ± 0.01 %
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.10 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
B
PACKAGING
B
= bulk
Note
(1)
For non-standard requests, please contact application engineering.
Document Number: 63087
Revision: 3-Mar-15
For any questions, contact
foil@vpgsensors.com
www.vishayfoilresistors.com
3
Legal Disclaimer Notice
Vishay Precision Group, Inc.
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, “VPG”), 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 VPG’s terms and conditions of purchase, including but
not limited to, the warranty expressed therein.
VPG 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, VPG 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 VPG’s knowledge of typical requirements that are often placed on VPG 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. You should ensure you have the current version of the relevant information by contacting
VPG prior to performing installation or use of the product, such as on our website at vpgsensors.com.
No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or by any
conduct of VPG.
The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise
expressly indicated. Customers using or selling VPG products not expressly indicated for use in such applications do
so entirely at their own risk and agree to fully indemnify VPG for any damages arising or resulting from such use or sale.
Please contact authorized VPG 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.
Copyright Vishay Precision Group, Inc., 2014. All rights reserved.
Document No.: 63999
Revision: 15-Jul-2014
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