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V i s h ay I n t e r t e c h n o l o g y, I n c .
Power capacitors
V ishay ESTA
market solutions
w w w. v i s h a y. c o m
Schottky (single, dual)
Standard, Fast and Ultra-Fast Recovery
(single, dual)
Sinterglass Avalanche Diodes
High-Power Diodes and Thyristors
High-Power Fast-Recovery Diodes
Phase-Control Thyristors
Fast Thyristors
P r o d uc t L i s t i n g s
Small-Signal Diodes
Low-Voltage TrenchFET® Power MOSFETs
High-Voltage TrenchFET® Power MOSFETs
High-Voltage Planar MOSFETs
IR Emitters and Detectors, and IR Receiver Modules
Optocouplers and Solid-State Relays
Optical Sensors
LEDs and 7-Segment Displays
Infrared Data Transceiver Modules
Custom Products
Schottky and Switching (single, dual)
Tuner/Capacitance (single, dual)
Zener and Suppressor Diodes
Power Modules (contain power diodes,
thyristors, MOSFETs, IGBTs)
Zener (single, dual)
TVS (TRANSZORB®, Automotive,
ESD, Arrays)
Power ICs
Analog Switches
Passive Components
Resistive Products
Film Resistors
Metal Film Resistors
Thin Film Resistors
Thick Film Resistors
Metal Oxide Film Resistors
Carbon Film Resistors
Wirewound Resistors
Power Metal Strip® Resistors
Chip Fuses
Variable Resistors
Cermet Variable Resistors
Wirewound Variable Resistors
Conductive Plastic Variable Resistors
Non-Linear Resistors
NTC Thermistors
PTC Thermistors
Tantalum Capacitors
Molded Chip Tantalum Capacitors
Coated Chip Tantalum Capacitors
Solid Through-Hole Tantalum Capacitors
Wet Tantalum Capacitors
Ceramic Capacitors
Multilayer Chip Capacitors
Disc Capacitors
Film Capacitors
Power Capacitors
Heavy-Current Capacitors
Aluminum Capacitors
Power Capacitors
Vishay Europe Sales GmbH
ESTA Capacitors Division
Hofmark-Aich-Strasse 36
D-84030 Landshut, Germany
Phone: 49-871-86-0
Fax: 49-871-86-25-06
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 in any datasheet or in any other disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing
production of any product. To the maximum extent permitted by applicable law, Vishay 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.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that
are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products
for a particular application. 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. Parameters provided in datasheets and/or specifications may vary in different
applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer
application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of
purchase, including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or
for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay
products not expressly indicated for use in such applications do so at their own risk and agree to fully indemnify and hold Vishay and its
distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or
sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the
part. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
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. Product names and markings noted herein may be trademarks of their respective owners.
Furnace Capacitors
Power Electronic Capacitors
Low-Voltage Power Capacitors
Power Factor Controllers
High-Voltage Power Capacitors
Unbalance Protection Relays
High-Voltage Power Supplies
Ta b l e o f C O n t e n t s
Vishay Intertechnology
About Vishay Intertechnology and Vishay ESTA
Vishay was founded in 1962 to manufacture and market foil resistors, an invention of physicist Dr. Felix Zandman,
Chairman of the Board and founder. The Company began operations with foil resistors and strain gages as its initial
product offerings. In 1985, having grown from a start-up into the world’s leading manufacturer of these original
products, Vishay began an ongoing series of strategic acquisitions to broaden its product portfolio.
Broad-Line Manufacturer, Global Presence
Today, Vishay is a broad-line manufacturer with a global presence. It is one of the world’s largest manufacturers of
discrete semiconductors and passive electronic components. Vishay’s acquisitions include the infrared component
business of Infineon and such top names as Siliconix, Dale, Draloric, Sprague, Vitramon, and BCcomponents (the
former passive components business of Philips Electronics and Beyschlag).
Innovations in Technology
I n t r o d uc t i o n
Over the years, Vishay’s R&D efforts have led to a steady stream of technological breakthroughs and innovative
products. These include packageless power MOSFETs, the industry’s first silicon-based RF capacitors, dc-to-dc
converter modules with all the active and passive components required for a complete power conversion solution,
high-current IHLP inductors, Power Metal Strip® resistors, and many more.
Leading Industry Rankings
Vishay’s global footprint includes manufacturing facilities in China and other Asian countries, Israel, Europe, and
the Americas, as well as sales offices around the world. Vishay has market shares ranging from substantial to
number-one for each of its products.
Passive Components
Wirewound and other power resistors
Leaded film resistors
Thin film SMD resistors
Wet and conformal-coated tantalum capacitors
Capacitors for power electronics
Power rectifiers
Low-voltage power MOSFETs
Infrared components
“One-Stop Shop” Service
With Vishay’s “one-stop shop” service, customers can send their bills of materials (BOMs) to Vishay and ask
the Company to cross-reference Vishay products in all categories. This enables customers to order multiple
components from one source—Vishay. In addition, Vishay’s product sample service for design engineers provides
free product samples worldwide. Quick turnaround time and a complete range of Vishay samples enable customers
to rely on Vishay for discrete electronic component solutions. For more information about Vishay samples, please
visit us on the Web at or contact a local Vishay sales representative or office.
Vishay ESTA
Vishay ESTA is the world’s only manufacturer to offer a complete range of power capacitors. These cost-effective
devices for harmonic control, energy savings, and voltage stabilization are highly reliable and environmentally safe,
and can be used under the most rugged conditions. Vishay ESTA power capacitors address a wide range of energygeneration applications. Their “green” applications include energy generation in on- and off-shore wind turbines and
solar power plants.
Vishay ESTA power capacitors are used in energy transmission and distribution in high, medium, and low-voltage
networks to improve network quality. Their efficient operation helps promote CO2 reduction as well as reducing
losses in long-distance HVDC transmissions. The power capacitors are also used for RFI filters and voltage and
frequency converters in traction and industrial drives.
Vishay ESTA capacitors are manufactured with the highest quality standards and come complete and ready to use
for all applications.
Vishay Intertechnology
FURNACE Capacitors
• S
tatic power capacitors for inductive heating plant
• EN 60110/1 and 2
• IEC 60110/1
• Mains frequency: 230 V to 3000 V, 50/60 Hz up to
800 kvar per unit
• Medium frequency: 250 V to 4000 V, 150 Hz to
100 000 Hz, up to 10 000 kvar per unit
fu r n a c e c a p a c i t o r s
• Compact construction
• Each product designed to customer specifications
• Can operate in extreme environmental conditions
• Easy to integrate into overall system concepts
• Low inductivity
Types of Cooling
• Natural cooling
• Forced cooling
• Water cooling
Vishay Intertechnology
Power Electronic Capacitors
• Static converters for:
−− Heavy-haul locomotives
−− Light local trains
−− Trolley busses
−− Trams/streetcars
−− Industrial converters
• DC supply equipment
power electronic capacitors
• High-voltage testing systems
• Impulse discharge energy
• IEC 61071
• IEC 61881
• Customer specifications
• AC up to 24 kV per unit
• DC up to 125 kV and 15 kJ per unit
• Rectangular and tubular designs for casings
• All appropriate capacitor technologies available to ensure optimum suitability to specific applications
• Highest flexibility in mechanical designs, including designs for low quantities
Vishay Intertechnology
low-voltage power capacitors
• Individual and group fixed compensation
• Controlled central compensation
• Filter circiuits for mains systems with harmonics
• EN 60831/1 and 2
• IEC 60831/1 and 2
• 230 V to 1000 V, 50/60 Hz
• 2.5 kvar to 56.2 kvar in cylindrical/triangular aluminum
casing; up to 500 kvar in welded rectangular steel casing
• Low loss, self-healing MKP technology
• Compact design
• Excellent heat dissipation
• Biodegradable, vegetable-based, non-PCB, non-toxic filling agent, or dry version available
• Burst-proof as confirmed by independent international inspection centers such as UL/ULc
• Highest overcurrent and inrush current capabilities
• Life expectancy of > 150 000 operating hours with highly consistent capacitance values
• Custom designs available
Vishay Intertechnology
lo w -vo ltag e p o w e r c a pac i to r s
Power factor controllers
• Manual and automatic control of central
power factor correction equipment in
low-voltage plants and special types for
medium-voltage applications
• IEC 60664-1
• IEC/EN 61010-1
• IEC/EN 61326
Power Factor Controllers
• CE-Certification
• 6- or 12-step versions
• Operating voltage: 230 or 120 V;
50 or 60 Hz
• Maximum measuring voltage range:
90 to 690 V, stepless
• High contrast backlit display for good reading even in poor lighting conditions
• Over-temperature switch-off (model ESTAmat PFC-N)
• Easy mounting with small flat springs
• Automatic self-setting (model ESTAmat PFC-N)
• 4-quadrant operation means trouble-free service in generator mode
• Optimized switching performance
• Constant display of actual power factor and energized steps
• Display of cos φ, active, reactive, and apparent power
• Additional step data (model ESTAmat PFC-N)
• Alarm functions
Vishay Intertechnology
high-voltage Power capacitors
• Shunt capacitors
• Harmonic filters
• Series capacitors
• Capacitors for SVC (Static Var Compensator)
• AC-capacitors for HVDC transmission
• DC-capacitors for HVDC transmission
• Surge suppressors and RC circuits
h i g h -vo ltag e p o w e r c a pac i to r s
• EN 60871
• IEC 60871
• IEC 60143
• Other standards upon request
• Individual capacitors from 660 V to 24 kV, up to 900 kvar
• Capacitor banks up to 800 kV, any output
• Voltage and output rating can be matched precisely to customer specifications
• Element fuses or fuseless technologies for high operating reliability
• Flexible plant design with specially designed racks
• Vishay ESTA unbalance protection
Vishay Intertechnology
unbalance protection relays
The microprocessor-based ESTAsym MD and CPR capacitor
protection relays use a versatile integrated current measuring
multifunction relay design to enable the protection of
medium and high voltage capacitor banks. Using FFT
techniques, the ESTAsym MD calculates the fundamental
and harmonic currents from measured line and unbalance
currents, and uses these values to implement individual
protection functions.
u n b a l a n c e p r ot e c t i o n r e l ays
• EN 50178, Class II
• EN 61010-1
• EN 50081-1
• EN 50082-2
• CE-Certification
• 100 to 240 VAC, 50/60 Hz or 100 to 375 VDC
• 1 A to 5 A
The ESTAsym capacitor protection relays are particularly appropriate for capacitor banks connected in double star
and bridge circuit configurations.
The following protective functions are provided:
• Capacitor unbalance protection
In addition for ESTAsym MD:
• Line current unbalance protection
• Overvoltage protection
• Overheating protection
• Ground fault protection
• Overcurrent protection
• Undercurrent protection
• Capacitor bank discharge timer
The ESTAsym MD stores all data, including date and time information, in a report file. The included PC software
provides you with convenient access to this data.
Vishay Intertechnology
high-voltage power supplies
• Image intensifiers (medical)
• CRT monitors
• Electrostatic surface coating (automotive)
• Electrostatic filters (industrial)
• EN 50176
• EN 50177
• EN 50348
• DC 1 kV up to 100 kV
• H
igh-voltage power supplies for a multiple range of
applications and industries
• Flexibility in designs
• Highest reliability
• Compact design
• Individual designs according to customer specification
• The new integrated electronically controlled high voltage
system used in electrostatic surface painting.
Technical Data
This high voltage system is conformed according to the guidelines directive 94/9/EC (ATEX95), patent pending. The
used standards are: EN 60079-15:2004, EN60079-11:2007, EN 50176:2005, EN 50177:2007, EN 50223:2001 and
• Supply voltage VIN: 28 V
• Dimensions in mm: 400 x (D) 60
• Maximum input current IIN: 1.7 A to 3.2 A
• Weight: 1.5 kg
h i g h - v o l t a g e p o w e r supp l i e s
• EN 50223
• Maximum output voltage VOUT: - 100 kV
• Maximum output current IOUT: - 100 µA to - 500 µA
EN 50348:2008.
Vishay Intertechnology
Rectifiers • High-Power Diodes and Thyristors • Small-Signal Diodes • Zener and Suppressor Diodes
• FETs • Optoelectronics • ICs • Modules
Passive Components:
Resistive Products • Magnetics • Capacitors
One of the World’s Largest Manufacturers of
Discrete Semiconductors and Passive Components
Worldwide Sales Contacts
The Americas
United states
Vishay Americas
P.O. Box 3700
mooresville, nc 28117
United States
Ph: +1-704-663-1870
Fax: +1-704-663-1870
Vishay Electronic GmbH
ESTA Capacitors Division
hofmark-aich-strasse 36
84030 landshut
Ph: +49-871-86-0
Fax: +49-871-86-25-06
Vishay intertechnology Asia Pte Ltd.
37A Tampines Street 92 #07-00
Singapore 528886
Ph: +65-6788-6668
Fax: +65-6788-0988
p.r. China
Vishay China Co., Ltd.
15D, Sun Tong Infoport Plaza
55 Huai Hai West Road
Shanghai 200030
P.R. China
PH: +86-21-5258 5000
FAX: +86-21-5258 7979
Vishay S.A.
199, blvd de la madelEine
06003 nice, cedex 1
Ph: +33-4-9337-2727
Fax: +33-4-9337-2726
united kingdom
Vishay Ltd.
Suite 6C, Tower House
St. Catherine’s Court
Sunderland Enterprise Park
Sunderland SR5 3XJ
Ph: +44-191-516-8584
Fax: +44-191-549-9556
Shibuya Prestige Bldg. 4F
3-12-22, Shibuya
Tokyo 150-0002
Ph: +81-3-5466-7150
fax: +81-3-5466-7160
Build Vishay
into your Design
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