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Content tagged with Passive
posted in March 2005
Pulse introduces SMT Flat Coil Inductors for PC notebook applications
Product News  
3/31/2005   Post a comment
Pulse introduces the PG0255NL series of low profile, surface mount (SMT) flat coil inductors. With a saturation current rating up to 30 A and a heating current rating up to 38 A, these inductors are designed for the multiphase voltage regulator modules (VRMs) supporting the increasing current needs of Vcore power in PC notebooks and other DC/DC applications.
Steward offers Surface Mount Chokes that operate up to 10A continuous
Product News  
3/31/2005   Post a comment
Steward's new CM1812x330R monolithic surface mount common mode chokes are designed for power and data line EMI filtering where high current, small size or high frequency performance are required.
Vishay's Thin Film Chip Inductors provide typical Q values up to 49
Product News  
3/31/2005   Post a comment
Vishay Intertechnology has announced two thin film chip inductors in compact 0402 and 0603 case sizes that provide high Q values up to 49 at specified frequencies from 100 MHz to 1700 MHz.
Wide-angle sensor beefs up measuring angle, distance and detection ranges
Product News  
3/30/2005   Post a comment
Sharp Microelectronics of the Americas claims to offer the industry's first 5-beam wide angle sensors, featuring a wide-area triangulation sensing capability. These new lead-free sensors feature a 25° wide measuring angle and are available in three detection ranges from 4 cm to 300 cm.
Wirewound chip inductor claims industry first 1-amp rating in 1210 case size
Product News  
3/30/2005   Post a comment
Addressing the need for smaller power inductors in DC/DC converter choke coil applications, Taiyo Yuden (U.S.A.), Inc. claims its new CBC3225-4R7MR device is the industry's first wirewound chip inductor with a 1,000 mA (1A) current rating in an EIA standard 1210 case size.
Dual-stage power line filter delivers up to 30 amps
Product News  
3/29/2005   Post a comment
Tyco Electronics, a business segment of Tyco International Ltd., has introduced its most compact dual-stage CORCOM EMC series power line filter. Delivering maximum current ratings ranging from 3 to 30 amps, the company claims these specifications are higher than similar catalog products available in the industry.
CMOS image sensors target auto apps
Product News  
3/29/2005   Post a comment
OmniVision Technologies Inc. has launched its first CMOS image sensor, in both color and black-and-white versions, specifically for the automotive market. The OV7940 is a new high-performance, highly-integrated analog CMOS image sensor based on OmniVision's proprietary OmniPixel technology, and meets the stringent specifications of the AEC-Q100. The company claims the optimized single-chip design will enable a module cost of less than $30.
Varistors tout rugged specs for auto apps
Product News  
3/29/2005   Post a comment
Raleigh, N.C. — Stackpole Electronics Inc. has developed a broad line of leaded and surface-mount, single and multi-layer varistors for the automotive industry. Designated the AV series, these devices are designed for 12-volt, 24-volt and 42-volt automotive systems.
Rotary sensors use charge transfer sensing chip to cut cost by over 60%
Product News  
3/29/2005   Post a comment
Compared to existing rotary capacitive sensors, this new touch wheel circuit, which can be thought of as a 'capacitive potentiometer', is expected to slash costs while delivering a more reliable technology.
Force sensors take on tough applications
Product News  
3/29/2005   Post a comment
SR series force sensors from CUI Inc., are designed to operate in adverse environments where dust and other contaminants are present.
Electronic Concepts offers Polycarbonate Film Capacitors in a wide selection of styles and sizes
Product News  
3/29/2005   Post a comment
Electronic Concepts offers a complete line of Polycarbonate Film Capacitors in a wide selection of styles, sizes and performance characteristics.
Euroquartz Programmable Oscillators are available on short delivery times
Product News  
3/29/2005   Post a comment
Euroquartz now offers a wider range of programmable oscillators available on short delivery times. The range includes LVDS and LVPECL oscillators that can be delivered with specified frequency band and custom specifications within 15 working days as standard with options of 10, 7, 5 and 3 working days when production loading permits.
Line terminators deliver near-ideal performance at high frequencies
Product News  
3/28/2005   Post a comment
TT Electronics IRC Advanced Film Division has developed a series of high-speed line terminators capable of operating at frequencies up to 40 GHz, and provide near-ideal termination performance at 50 and 75-ohms for high-frequency digital transmission lines.
High-wattage resistor assembly delivers in-line circuit protection
Product News  
3/28/2005   Post a comment
Adapting a proven automotive technology for industrial and commercial applications, such as motion control, a new rugged, high-wattage power resistor assembly from TT electronics IRC Wire & Film Technologies Division delivers a space savings package for voltage dropping, surge, or over voltage protection. The series also features an optional in-line circuit protection device designed to prevent motor damage from overheating in a stall condition.
Lead-free crystal oscillator targets mobile communications
Product News  
3/28/2005   Post a comment
AVX Corp. offers a new lead-free, ultra-small crystal oscillator for mobile communications. Designated the CX-2520SB, the surface-mount crystal oscillator, housed in a ceramic package, offers high reliability with repeatable performance in a compact 2.5 x 2.0 x .45-mm footprint.
Chip inductors provide tight tolerances at high frequencies
Product News  
3/28/2005   Post a comment
Designed to provide extremely tight inductance tolerance at high frequencies, the new J.W. Miller PM0402T and PM0603T chip inductors are suitable for space constrained Bluetooth, cell phone, and LAN/WAN wireless applications that call for high-frequency, high-density circuitry.
Tecan Metal-Polymer Microstructures produce precision components at low cost
Product News  
3/25/2005   Post a comment
Tecan offers a process for manufacturing hybrid microstructures from various material elements to produce cost-effective integrated devices for new generation applications.
C-MAC's PB-Free SMD TCVCXOs offer frequencies between 10 and 40 MHz
Product News  
3/25/2005   Post a comment
A miniature, low-cost, lead-free TCVCXO (temperature compensated, voltage controlled crystal oscillator) range offering frequency stability of ±0.5 parts per million over the "40° to +85°C temperature range has been introduced by C-MAC MicroTechnology . Packaged as a standard 7 x 5 mm SMD, the CFPT-126 is available in a range of frequencies between 10 and 40 MHz for use in GPS, communications, networking and instrumentation applications.
Choosing the right circuit protection reduces battery failures in cell phones
Design How-To  
3/24/2005   Post a comment
Ron Demcko, AVX's application engineering manager explains how to choose the right circuit protection devices for cell phone designs to eliminate potentially hazardous conditions.
Integrated varistor reduces component count
Product News  
3/22/2005   Post a comment
Stackpole Electronics, Inc. has introduced a dual-function device that protects electronic equipment operating at a low voltage against voltage surges and high frequency noise. This new device replaces a low voltage varistor and a by-pass capacitor for applications such as electrostatic surge absorption, relay surge-suppression effect, relay-reset time, and piezoelectric buzzer shock noise absorption.
Kemet names Per-Olof Loof new CEO
News & Analysis  
3/21/2005   Post a comment
Capacitor supplier Kemet Corp. has named Per-Olof Loof its new chief executive effective April 4, 2005.
MEMtronics receives defense contract for MEMS tuners
News & Analysis  
3/21/2005   Post a comment
MEMtronics has received a Small Business Innovation Research (SBIR) project sponsored by the Dept. of Defense to develop microelectromechanical systems (MEMS) devices and circuits to support the requirements for tunable filters in transmit applications.
High voltage capacitors in smaller packages ease design constraints
Product News  
3/21/2005   Post a comment
A new range of 4kV rated capacitors feature smaller package sizes of 1808, 1812, 2220 and 2225 to offer designers significant savings in board space.
Maxwell seeks 10-K filing extension, lowers Q4 guidance
News & Analysis  
3/18/2005   Post a comment
Maxwell Technologies Inc. has asked the Securities and Exchange Commission for a 15-day extension of the March 16, 2005 deadline for filing its annual Form 10-K, to allow restatement of the company's consolidated financial statements for fiscal year 2002.
Electronic controllers provide enhanced sensing and control features
Product News  
3/17/2005   Post a comment
Selco/ECC's new 2698 and 2699 cold/hot controllers offer enhanced functions for sensing and control of heating, cooling and humidity in a variety of products such as spas, cooking equipment, freezers, refrigerators and dehumidifiers. These cost-competitive devices can replace traditional bulb and capillary thermostats for designs that require high precision temperature and time control, and/or temperature reading display capabilities.
LED indicator is designed for rugged apps
Product News  
3/17/2005   Post a comment
L-3 Communications, Electrodynamics Inc. has developed a new rugged panel mount LED status indicator for applications in severe environments. Designed with a solid-front design for a watertight seal, the new ML2030E series can be used as a status indicator in applications such as aircraft avionics systems, communications systems, test equipment, medical electronics systems, and other electronics systems.
SMT filter targets RF/microwave apps
Product News  
3/17/2005   Post a comment
IMS has introduced a new S-band, 2.4 GHz low-pass, surface-mount filter for RF and microwave applications including wireless local area networks, microwave communication links, radar systems, and wireless sensors and controls.
SEI expands short lead time service
Product News  
3/17/2005   Post a comment
Stackpole Electronics Inc. has expanded its FAST delivery program to include its RNC thin-film precision resistors and CSR series of current sensing resistors. The FAST delivery service was previously only available for the company's wirewound products.
Gas tube arrestors feature small size
Product News  
3/16/2005   Post a comment
Available in surface-mount packaging, Lumex says it's new family of gas tube arrestors are among the smallest available in the industry. The new GT-SMD1812 series, which measures 4.50 x 3.20 mm (0.177 in. x 0.126 in.), provides the same high-performance surge and spike protection as conventional gas tube arrestors, but in a small surface-mount package.
OSD unveils new 1.8-inch color OLED
Product News  
3/16/2005   Post a comment
One Stop Displays has launched a new series of 1.8-inch color OLED displays. The new OSDC180-2I color OLED display supports typical brightness levels from 25 to 100 nits, and offers 262 k color depth for photo quality images and video.
Power isolation transformer optimized for medical equipment
Product News  
3/16/2005   Post a comment
Signal Transformer, a subsidiary of Bel Fuse Inc., has expanded its M4L series of international power isolation transformers to include the 450 VA rated M4L-1-4, M4L-2-4, and M4L-3-4 devices that meet medical safety standards and low radio frequency interference (RFI) and electromagnetic interference (EMI) requirements.
Passive components address thermal and reliability issues for auto apps
Product News  
3/15/2005   Post a comment
As the electronics content in the automotive industry continues on its steady upward climb, passive component manufacturers are responding to the industry's need for higher performing capacitors, inductors and resistors with the roll out of several new product developments over the past year.
Pulse plans price hikes
Product News  
3/15/2005   Post a comment
Pulse, a Technitrol Company, has announced plans to increase prices of its magnetic components for local area network, telecommunications, and power conversion applications due to rising costs of sub-components, consumables, energy, and labor. Unless set by contract, prices for certain catalog and custom products will increase between 3% and 10%, depending on product type and quantities, on orders placed after March 31, 2005.
Self-protected tantalum chip integrates fuse
Product News  
3/15/2005   Post a comment
JARO Components, Inc. offers a new TCF series of fusible, surface-mount tantalum chip capacitors with an unique, built-in-fuse protection element. This integrated protection guards against circuit damage that can arise in high current conditions, and also protects against damage incurred during reversed installations.
Current sense resistors can take 70 amps
Product News  
3/14/2005   Post a comment
Stackpole Electronics, Inc. has introduced a new flameproof, open air current sense resistor technology for high current motor control and power regulation applications. The BR series devices can be used in current sense, feedback and surge protection circuitry.
Nanotubes ermöglichen hochdichte Superkondensatoren
Product News  
3/12/2005   Post a comment
Wissenschaftler der University of California-Davis haben einen Superkondensator mit einer Leistungsdichte von 30 Kilowatt pro Kilogramm hergestellt. Solche Konensatoren könnten möglicherweise in manchen Anwendungen Akkumulatoren ersetzen.
EMI filter targets medical app
Product News  
3/11/2005   Post a comment
Designed for magnetic resonance imaging equipment, the next-generation CORCOM MRI 2030R facility electromagnetic interference (EMI) filter from Tyco Electronics provides significant size and leakage current performance over the previous generation.
Fingerprint sensor touts security, navigation, and personalization for cell phones
Product News  
3/11/2005   Post a comment
A new tinier biometric fingerprint sensor from AuthenTec combines security, navigation and personalization functionality in the industry's smallest package for cell phones. Touting a 33% smaller footprint than comparable sensors, the new low-cost EntrePad 1510 features the company's TruePrint technology and its newest approach to biometrics called "The Power of Touch". Plus, it's low cost, easy-to-use and provides speedy fingerprint imaging and motion.
Flexible termination system protects ceramic capacitors
Product News  
3/8/2005   Post a comment
In response to demand from the automotive industry for more robust components, AVX has developed a soft termination system, called FlexiTerm, for its line of multilayer ceramic chip capacitors (MLCCs) that allows nearly three times the amount of board flexure when compared to standard termination systems. This means that capacitors won't crack even under severe environmental stress.
CMOS challenges CCD for image-sensing lead
Teardown  
3/7/2005   Post a comment
Charged-coupled devices were the first solid-state image sensors. CCDs offer superior picture resolution, but because they require more power, they are generally more expensive to create than CMOS image sensors.
High brightness LED platform targets all types of auto apps
Product News  
3/1/2005   Post a comment
Touting the industry's highest light output among competitive offerings, Agilent Technologies Inc. and Lumileds Lighting (San Jose, Calif.) have rolled out the first three products in their new Envisium mid-power family of light-emitting diodes (LEDs) for exterior and interior automotive applications. In the future, new designs will target consumer mobile devices, illuminated signs and signals, and home/building lighting applications.
RFID IC finds the cows
Product News  
3/1/2005   Post a comment
Featuring bumped enlarged pads for direct antenna connection, the EM4569 EM Microelectronic features to save space and mounting costs for animal ID applications.
Micro speakers tout ruggedness, performance
Product News  
3/1/2005   Post a comment
Transducers USA has introduced a complete line of micro speakers that use rare earth magnets for improved ruggedness and output performance. These devices are suitable for computers, portable instruments, toys and vending machines.
High voltage flyback transformers drive loads up to 2,000 Vdc
Product News  
3/1/2005   Post a comment
Datatronics says its new series of high-voltage flyback transformers provides a cost-effective means of driving high impedance loads that require up to 2,000 Vdc. The new Model 4283-1200 transformers are application-specific devices that can be custom configured to meet a wide variety of medical, military or commercial applications.


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