Passive Components


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Integration of balun functions in RF LDMOS technology
1 November 2006
Ref: z2920154m Baluns (balanced to unbalanced) are used in push-pull amplifiers to provide signal splitting and/or combining and 180° phase shifting. Although their usage and design is well known, mainly ...

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Low profile wire-wound inductors offer highest current rating for component size
1 November 2006
Taiyo Yuden's NR6012 series of low-profile (1,2 mm height) 6 x 6 mm power inductors for DC-DC converter choke coil applications are in the LCD panels of notebook PCs. The 11 models in the NR6012 series ...

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Trimmer capacitors improved
1 November 2006
Murata says that its latest trimmer design has greater protection against flux invasion. The TZY2 series also offers better post-adjustment stability, superior resistance to soldering heat, accommodation ...

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Flat-coil surface mount inductors have low DCR
1 November 2006
Pulse has introduced a series of flat-coil, power inductors with low direct current resistance (DCR) and high saturation current in a low-profile, self-leaded, surface mount package. The PG0426NL series ...

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Surface-mount electrolytic capacitors suited for high temperature reflow-soldering
1 November 2006, CST Electronics
Panasonic Electronic Devices has released to market new aluminium electrolytic surface-mount capacitors and new speciality polymer aluminium electrolytic surface-mount capacitors that are suited for lead-free ...

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Highly stable thin-film flat chip resistors
1 November 2006, Altron Arrow
Vishay's new TNPW e3 series of high-stability thin-film flat chip resistors comes in seven industry-standard sizes. These thin-film flat chip resistors are optimised for modern electronics applications ...

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MEMS microphones improve voice quality for mobile electronic devices
1 November 2006
Anyone who has tried to make a cellphone call at a train station or airport knows the problem: announcements over the PA system and the sound of incoming trains or planes make it nearly impossible for ...

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High Q 1 GHz wound chip inductors are extremely small
1 November 2006
Miniature alumina cores, using a combination of unique materials and horizontal winding methods, are at the heart of Murata's LQW04A series of inductors. Inductance values range from 1,1 nH to 22 nH in ...

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Miniature chip coils reduce DC power-circuit noise
1 November 2006
Murata’s tiny wire-wound chip coils, the LQH32C range, with low DC resistance and high current capacity make cleaning up EMI noise from power supply circuits easier. This extensive family of ferrite ...

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Metal film chip resistors for harsh environments
1 November 2006, CST Electronics
Panasonic offers metal film chip resistors, rectangular types with high-reliability, and array types suitable for automotive electronic applications under tough environmental conditions. Chip resistors ...

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Piezo buzzer for critical alarming
1 November 2006, Wiltron Agencies
Piezo-acoustic components are more and more used in small portable equipment and as a critical alerting device. Reliability must also be very high under the most difficult environmental circumstances. ...

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Chip-type RC network in 2012 size
1 November 2006, CST Electronics
Panasonic is commercialising new chip-type RC networks in 2012 size. Claimed to be the smallest in the industry (2,0 x 1,2 mm), the EZACT series has superior high-frequency noise reduction and ringing-noise ...

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Ceramic capacitors: new design tools online
1 November 2006
The S-parameters for simulating Epcos' current portfolio of ceramic capacitors are now available. The data was created in the CITI-file and Touchstone formats. The new S-parameters are for series and ...

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Termination chips handle higher powers
18 October 2006, Hiconnex
Radiall's new 100 W termination chip is made from aluminium nitride (AlN) and can handle up to 100 W over the DC-6 GHz frequency range without any compromise on the VSWR, according to the company. With ...

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Monolithic crystal filters are compact but hardy
18 October 2006, Altron Arrow
KDK's monolithic crystal filters (MCF) are available in a wide frequency range for receiving and transmitting applications. Some applications include: cellular radios, miniature pagers, synchronised multiplexers ...

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Series of impedance adapters
18 October 2006, Electronic Industry Supplies
Compel Electronics, a designer and manufacturer of interconnection systems and cable assemblies, has developed a new series of impedance adapters: baluns, which allow systems with different impedance ...

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2 mm square SMT trimmer potentiometer has lowest profile
18 October 2006, CST Electronics
Panasonic Electronic Devices has commercialised a 2 mm square low-profile SMT trimmer potentiometer, claimed to have the lowest profile in the industry. Sutable for adjusting circuits in electronic devices, ...

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Snap-in aluminium capacitors have high ripple ratings
4 October 2006, CST Electronics
Panasonic has developed what it claims is the highest ripple-current rated snap-in aluminium capacitors. The company's TS-EE series is suitable for the switching power supplies of white goods, industrial ...

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Compact long-life potentiometer
4 October 2006, CST Electronics
As today's equipment is becoming more and more compact, with improved integration and with more functions, the panel-mount type potentiometer as used for adjusting voltages, has been required to become ...

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Polymer aluminium capacitors with low ESL/ESR
4 October 2006, CST Electronics
Noise is a new issue in the recent digitalisation of audio-visual products. Panasonic has developed a new polymer aluminium capacitor that deals both with the noise problem and the stabilisation of power ...

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