HIGH-PRECISION BULK
METAL ® FOIL RESISTORS
RESISTIVE PRODUCTS
V I S H AY I N T E R T E C H N O L O G Y, I N C .
Fo r Milita r y a nd Ae ros pace A pplic ations
MARKET SOLUTIONS
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SEMICONDUCTORS
RECTIFIERS
Schottky (single, dual)
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(single, dual)
Bridge
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PIN
PRODUCT LISTINGS
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and IR Receiver Modules
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RESISTIVE PRODUCTS
Foil Resistors
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Inductors
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TRANSDUCERS
Load Cells
Force Transducers
Instruments
Weighing Systems
STRAIN GAGES AND
STRAIN GAGE INSTRUMENTS
PHOTOSTRESS® INSTRUMENTS
High-Precision Bulk Metal®
Foil Resistors for Military and
Aerospace Applications
Vishay Intertechnology, Inc.
63 Lincoln Highway
Malvern, PA 19355
United States
Phone: +1 610 644 1300
Fax: +1 610 296 0657
www.vishay.com
NOTICE
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology,
Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied,
by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in
Vishay’s terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims
any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties
relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other
intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Contents
High-Precision Bulk Metal® Foil Resistors
Introduction
4
Surface-Mount Resistors
6
Surface-Mount Networks
7
Through-Hole Resistors
8
Through-Hole Networks
9
CONTENTS
VISHAY INTERTECHNOLOGY
3
Introduction
More than four decades after its invention by physicist Dr. Felix Zandman in 1962, Bulk Metal® Foil
technology still outperforms all other resistor technologies available for applications that require high
precision, stability, and reliability. Foil resistors are considered by many to be the ideal resistor.
A typical foil resistor application is in a satellite that requires stable positioning circuitry to function
properly while withstanding temperatures at both ends of the spectrum. The only feasible solution for
such extreme applications is the use of a foil resistor with an exceptionally low temperature coefficient
of resistance and low total error budget.
INTRODUCTION
The combination of Bulk Metal® Foil and ceramic substrate results in a resistor element with
characteristics that are unavailable in other technologies. A variety of resistor configurations and chip
packages from 0805 and larger are used to provide variations in power, size, and other operating
specifications to meet the needs of various applications.
4
The worldwide market for military and aerospace equipment is extremely demanding, and it is
expected to expand in the next few years. It is estimated that more than 500 platforms will be launched
into space in the near future, with at least half of those providing commercial telephone, satellite, TV,
and data services.
Vishay is a worldwide manufacturer with a long-term commitment to military and aerospace customers.
We have extensive experience in high-precision resistor technology, a broad range of components,
43 years of company existence, and very strong financial backing being part of Vishay Intertechnology,
a $2.5 billion annual sales company.
Bulk Metal Foil technology enables us to produce resistors that satisfy challenging technical
requirements. Our Application Engineering Department is available to advise customers and make
recommendations for non-standard technical requirements and special applications
(email: foilsupport1@vishay.com).
VISHAY INTERTECHNOLOGY
Key features of Vishay Bulk Metal® Foil resistors include:
“ZERO TCR”: ± 0.2 ppm/ºC (MIL range) with Z Foil – Technology BREAKTHROUGH
•
TCR tracking: to 0.4 ppm/ºC
•
WCR (power coefficient): 5 ppm at rated power for Z-Foil resistors
•
Load-life stability under applied power:
- As low as 0.005% at 70 °C, 2000 hours for SMT chips
- As low as 0.005% at 125 °C, 2000 hours for leaded resistors
•
A broad resistance range: 2 mΩ to 3.3 MΩ
•
Tolerance: absolute and match for voltage dividers and networks: to ±0.001%
•
4-terminal connections
•
Low current noise: - 40 dB
•
Thermal EMF: 0.05 µV/°C
•
Voltage coefficient: <0.1 ppm/V
•
Non-inductive: <0.08 µH
•
High speed and response time: 1 ns
Only Vishay’s Bulk Metal Foil (BMF) Technology provides all these features in the same resistor.
Summary of our latest range of products:
•
Surface-Mount Chips, Molded Resistors and Networks
•
Hermetically Sealed and Molded Networks
•
Through-Hole (Leaded) Resistors and Networks
•
Hybrid Chips
•
Power Current-Sensing Resistors
•
Voltage Dividers
•
Military-Established-Reliability Resistors
•
Trimmers
VISHAY INTERTECHNOLOGY
INTRODUCTION
•
5
Surface-Mount Resistors
Surface-Mount Resistors
Product
Type
SURFACE-MOUNT RESISTORS
Wraparound:
VSM Series
VSMP Series
(Z Foil)
Tested Per
MIL
55342
Sizes:
0805, 1206,1506,
2010, 2512
Chips
Power Current
Sense:
VCS2516Z (Z-Foil)
VCS2516
CSM 2512
CSM 3637
SMR1D; SMR3D
49465
55182
Performance
•
Small size/weight
•
TCR – “Z Foil”: ± 0.2 ppm/°C (MIL range) typical
•
Load-life stability under applied power:
(70 ºC for 2000 hours) ± 0.005% (50 ppm)
•
Power: 750mW at + 70 ºC
•
WCR (power coefficient) = 5 ppm typical at
rated power
•
Resistance range: 10 Ω to 150 KΩ
•
Tolerance: ± 0.01%
•
Current noise: - 40 dB
•
TCR: ± 0.2 ppm/°C (MIL range) typical
•
WCR (power coefficient) = 5 ppm typical at
rated power
•
Load-life stability: 0.05% at 70 °C, 2,000 hrs,
1 Watt
•
Resistance range: 0.01 Ω to 2 Ω
•
Absolute tolerance: down to ± 0.1%
•
Heat rise: 2.5 °C/0.1 Watt
•
4-terminal connections
•
Resistance range: 2 mΩ to 200 mΩ
•
TCR: 0 ± 15 ppm/ºC
•
Tolerance: ± 0.1%
•
Rated power: up to 3 Watts
•
4-terminal connections
•
Resistance range: 5 Ω to 80 KΩ
•
Shift after thermal shock: 0.005% typical
•
Load-life stability: 0.005% at 70 °C, 2,000 hrs,
0.1 Watt
•
Shelf life: 25 ppm
•
Moisture resistance: 0.01%
•
Resistance to soldering heat: ±0.01% typical
Molded
6
VISHAY INTERTECHNOLOGY
Surface-Mount Networks
Surface-Mount Networks
Product
Molded
Type
Voltage Dividers
and Networks:
DSM
SMN
Hermetic
914
83401
Performance
•
Range of ohmic value ratio tolerance:
100 Ω to 20 KΩ
•
TCR: ± 2 ppm/°C (MIL range) typical
•
TCR tracking: 0.5 ppm/°C
•
Ratio tolerance: 0.01%
•
Integrated construction – real estate saving
•
Flexibility in use
•
TCR tracking: 0.5 ppm/°C
•
Ratio tolerance: 0.005%
•
Stability over 1000 hrs: ∆R=0.01%,
∆Ratio = 0.005%
•
Real estate saving
•
Shelf-life stability: 2 ppm typical
•
Moisture resistance: ∆R = 0.003%,
∆Ratio = 0.003%
•
No set-up charges
VISHAY INTERTECHNOLOGY
SURFACE-MOUNT NET WORKS
VSM40, 42, 45, 46
VSM85-89 (PRND)
Tested Per
MIL
7
Through-Hole Resistors
Through-Hole Resistors
Product
Type
THROUGH-HOLE RESISTORS
RNC90Y/Z
S102 IPT
(Improved
performance
testing)
Z201 (Z-Foil)
8
Tested Per
MIL
55182
Performance
•
TCR: ± 0.2 ppm/°C (MIL range) typical
•
WCR (power coefficient) = 5 ppm typical at
rated power
•
Established reliability MIL qualified
•
0.005% after 2,000 hrs at + 125 °C
Molded
0.015% after 10,000 hrs at + 125 °C
Power Current
Sensors:
VFP4Z
VCS332Z
(Z-Foil)
39009
VHZ555
VH102Z
(Z-Foil)
55182
•
TCR: ± 0.2 ppm/°C (MIL range) typical
•
WCR (power coefficient) = 4 ppm/Watt (typical)
•
4-terminal connections
•
TCR: ± 0.2 ppm/°C (MIL range) typical
•
WCR (power coefficient) = 5 ppm typical at
rated power
•
Moisture resistance: 0.005%
•
Shelf-life stability: 2 ppm typical
•
Load-life stability: 0.0025% at 80 °C, 2,000 hrs,
0.1 Watt
•
TCR: ± 0.2 ppm/°C (MIL range) typical
•
WCR (power coefficient) = 4 ppm/Watt (typical)
•
Shelf life: 2 ppm typical
•
Moisture resistance: 0.02%
•
Rated power: 10 watts on heat sink
•
4-terminal connections
Hermetic
Power Current
Sensors:
VPR247Z
VHP4Z
(Z-Foil)
VISHAY INTERTECHNOLOGY
39009
Through-Hole Networks
Through-Hole Networks
Product
Type
Voltage Divider:
300144
300145
Tested Per
MIL
55182
Molded
Performance
•
Range of ohmic value ratio tolerances: 100 Ω to
20 KΩ
•
TCR tracking: 0.5 ppm/°C
•
Ratio tolerance: 0.005%
•
Load-life stability: 0.05 Watt at + 25 ºC over
2000 hours
Voltage Divider:
VHD200
VHD144
Hermetic
1442
1445
1446
1457
55182
83401
•
Shelf-life stability ratio: 2 ppm
•
Load-life stability ratio over 2,000 hrs:
0.001% at 80 °C, 0.1 Watt
•
Ratio match: 0.001%
•
TCR tracking: 0.1 ppm/°C typical
•
Stability over 1,000 hrs: ∆R = 0.01%,
∆Ratio = 0.005%
•
TCR tracking: 0.5 ppm/°C
•
Ratio tolerance: 0.005%
•
Flexibility in schematic design
•
Shelf-life stability: 2 ppm typical
•
Moisture resistance: ∆R = 0.003%,
∆Ratio = 0.003%
VISHAY INTERTECHNOLOGY
THROUGH-HOLE NETWORKS
∆R = 0.002%, ∆Ratio = 0.001%
9
NOTES
Notes
10
VISHAY INTERTECHNOLOGY
NOTES
VISHAY INTERTECHNOLOGY
11
SEMICONDUCTORS:
Rectifiers • Small-Signal Diodes • Zener and Suppressor Diodes • MOSFETs
• RF Transistors • Optoelectronics • ICs
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• PhotoStress® Instruments • Transducers
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