VSHZ, VSCZ (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Z-Bulk Metal
®
Foil Technology Low Profile Conformally
Coated High Precision Resistor with TCR down to ± 0.05 ppm/°C,
Tight Tolerance from ± 0.01 % and Load Life Stability of ± 0.01 %
FEATURES
Temperature coefficient of resistance (TCR):
± 0.2 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
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.
Resistance range: 5 to 120 k
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@vishaypg.com
For better performances please review
VHP203
Series
datasheet
FIGURE 1 - STANDARD IMPRINTING AND
DIMENSIONS
in millimeters (inches)
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
VSH1Z
VSC1Z
VSH2Z
VSC2Z
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: 63149
Revision: 29-Mar-10
For any questions, contact:
foil@vishaypg.com
www.foilresistors.com
1
VSHZ, VSCZ (Z-Foil)
Vishay Foil Resistors
TABLE 1 - TOLERANCE AND TCR VS. RESISTANCE VALUE
(- 55 °C to + 125 °C, + 25 °C ref.)
RESISTOR
VSH2Z
VSC2Z
VSH1Z
VSC1Z
VSH1Z
VSC1Z
VSH1Z
VSC1Z
VSH1Z
VSC1Z
RESISTANCE VALUE
()
60K to 120K
50 to < 60K
20 to < 50
10 to < 20
5 to < 10
TYPICAL TCR AND MAX. SPREAD
(ppm/°C)
± 0.2 ± 1.8
± 0.2 ± 1.8
± 0.2 ± 2.8
± 0.2 ± 4.8
± 0.2 ± 6.8
TOLERANCE
(%)
± 0.01 %
± 0.01 %
± 0.02 %
± 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
Percent of Rated Power
100
Interloop
Capacitance
Reduction
in Series
Mutual
Inductance
Reduction due
to Opposing
Current in
Adjacent Lines
Current Path
Before Trimming
Current Path
After Trimming
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing Resistance
75
50
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.foilresistors.com
2
For any questions, contact:
foil@vishaypg.com
Document Number: 63149
Revision: 29-Mar-10
VSHZ, VSCZ (Z-Foil)
Vishay Foil Resistors
TABLE 3 - GLOBAL PART NUMBER INFORMATION
(1)
NEW GLOBAL PART NUMBER: Y090412K7560T9R (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
4
1
2
K
7
5
6
0
T
9
B
PRODUCT CODE
0876
= VSH1Z
0904
= VSC1Z
0937
= VSH2Z
0905
= VSC2Z
RESISTANCE TOLERANCE
T
= ± 0.01 %
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.10 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
PACKAGING
B
= bulk
FOR EXAMPLE: ABOVE GLOBAL ORDER Y0904 12K7560 T 9 B:
TYPE: VSC1Z
VALUES: 12.7560 k
ABSOLUTE TOLERANCE: 0.01 %
TERMINATION: lead (Pb)-free
PACKAGING: bulk
HISTORICAL PART NUMBER: VSC1Z T 12K756 T B (will continue to be used)
VSC1Z
MODEL
VSH1Z
VSC1Z
VSH2Z
VSC2Z
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: 63149
Revision: 29-Mar-10
For any questions, contact:
foil@vishaypg.com
www.foilresistors.com
3
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
www.vishaypg.com
1
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