Passives


Wurth – High-performance surface-mount air coils for high-frequency applications

High-frequency applications, especially in the area of radio technology, require air coils with a particularly high Q-factor. Specifically adapted to the current market requirements for this area, Würth Elektronik eiSos has expanded its por

Wurth | 24-02-2015

Lead-containing dielectric glass removed from thin-film resistors

Stackpole's RNCP thin-film chip resistor series offers both high power ratings and anti-sulphur capability. Unlike thick-film resistors, the RNCP Series does not require a lead containing dielectric glass, providing users with a RoHS-com

Stackpole | 24-02-2015

Gold flash termination introduced to eliminate tin whiskering

Knowles Novacap has expanded its termination offerings to now include gold-plated terminations. Conventional termination is normally tin/lead, but lead has been banned by the RoHS directive. However, pure tin-plated terminations can al

Knowles | 23-02-2015

Performance-enhancing COTS current-sensing LED resistors

Designed to improve LED brightness and efficiency in portable battery-powered applications, Vishay Precision Group (VPG) ultra high-precision Bulk Metal Z-Foil current-sensing resistors are now available through Farnell element14. The LE

Farnell element14 | 19-02-2015

Ultra-precise crystal oscillators focus on noise-reduction

IDT's XO ultra-precision crystal oscillators with 300fs typical phase jitter over 12kHz to 20MHz bandwidth are now available from Mouser stock. They are available in wide frequency ranges and utilize a family of proprietary ASICs, with a k

Mouser Electronics | 19-02-2015

Thick-film power resistor saves space and lowers costs in auto and industrial applications

Vishay has introduced a new AEC-Q200-qualified, 25W thick-film power resistor in a compact surface-mount TO-252 style (DPAK) package. For automotive, industrial and defence applications, the DTO25 saves space compared with previous-generati

Vishay | 18-02-2015

Hermetically-sealed tantalum polymer chip capacitors offer 10,000 hour lifespan

Aimed at aerospace and other high-reliability applications, AVX has announced that its TCH Series hermetically-sealed tantalum polymer chip capacitors are now rated for extended lifespans of up to 10,000 hours. Developed with the Europea

AVX | 17-02-2015

Low ESR tantalums improve capacitance retention at high frequencies and low temperatures

Featuring a Ta anode and Ta2O5 dielectric, Kemet's T551 Series PHS (polymer hermetic seal) tantalum capacitors are now available from Mouser. A conductive organic polymer replaces the traditionally used MnO2 or wet electrolyte as the ca

Mouser Electronics | 17-02-2015

Low-profile high-performance wound ferrite inductors

TDK's VLF series wound ferrite inductors feature a high magnetic shield construction and are compatible with high-density mountings. Available now from Farnell element14, the low-profile devices have maximum heights of 1mm, 1.2mm and 1

Farnell element14 | 16-02-2015

Compact low-ESR automotive crystal timing devices are 40% smaller

Additions to Murata's XRC family of crystal timing devices are now available in Europe through TTI. Specifically designed for automotive applications, the new products are approximately 40% smaller than the industry norm and measure ju

TTI Europe | 13-02-2015

Tunable inductors offer highest Q in the industry

Offering the highest Q in the industry (Q=100 for the 5SQ-08), Frontier Electronics' 5SQ series tunable inductors are now available from RFMW. Low insertion loss minimizes roll-off near the cut-off frequency in low-pass, high-pass and ba

RFMW | 13-02-2015

Automotive-grade high-current power inductors in compact surface-mount packages

Coiltronics / Eaton HCMA0703 series automotive grade high-current power inductors are now stocked by Mouser. The compact footprint (7.4m x 7mm) magnetically-sealed devices feature low EMI and a frequency range up to 5MHz. The inductor

Mouser Electronics | 12-02-2015

Expanded resistor range now includes 2512 sizes with resistance values down to 1mohm

Stackpole's popular CSRF Series now offers resistance values down to 1 milliohm in the 2512 size. The CSRF Series bridges the gap between thick film technologies with their low cost but inability to achieve low resistance values at low T

Stackpole | 12-02-2015

High-current high-temperature through-hole inductors for demanding applications

Farnell element14 now stocks the Vishay range of IHTH high-current, high-temperature, through-hole inductors including the AEC-Q200-qualified IHTH-0750IZ-5A and IHTH-1125KZ-5A. The devices feature an operating temperature range from -55C

Farnell element14 | 11-02-2015

Articles