Tantalum Capacitors Potentials and Trends

by Tomas Zednicek Ph.D. European Passive Components Institute, EPCI Jan 19. www.passive-components.eu
Tantalum capacitors are offering excellent stability in high energy, harsh conditions, and power volumetric efficiency and low...Read More

Added passives capacity will help stabilise lead times, limit price increases

By James Carbone
However, it will remain a seller’s market in 2019 for many parts including MLCCs and resistors
Buyers of multilayer ceramic capacitors (MLCC), chip resistors and other passive components can expect supply to remain tight in 2019, although...Read More

Moderating outlook won’t slow industry momentum

By Victoria Kickham
Advancing technology and the digital economy will keep the electronics sector humming in 2019 and beyond, industry insiders say

Electronics industry leaders are maintaining a bright outlook despite predictions of moderating economic...Read More

Expect higher average prices for embedded processors

By James Carbone
Prices will rise because more higher-cost 64-bit embedded microprocessors will be designed into electronics equipment.

The global market for embedded microprocessors (MPUs) will grow about 5 per cent to $77.7 billion in 2018 because...Read More

Industry embraces strong outlook, laments tight labor market

By Victoria Kickham
Demand for labor heats up as 2018 comes to a close and the economy continues its solid pace.

Electronics industry companies will continue to reap the rewards of a strong US economy in 2019, but they will face accompanying challenges...Read More

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APEM QH Series Halo LED indicators – now at TTI

Highlights specific functions; single, dual and RGB colours; 12 LEDs per bezel; sealed to IP67


The APEM QH Series Halo LED illuminated indicator is now available at TTI, Inc., a world leading specialist distributor of electronic components, Fitted with an APEM switch, the QH indicator gives focused interaction between human touch and machine, and is panel sealed to IP67 as standard.  The QH Series is available in a choice of colours, using high-quality, hyper-bright LEDs, making it suitable for a wide variety of applications where specific functions need to be clearly visible, such as those required in professional electrical appliances, automotive and off-road vehicles, and process controls.


The QH Series of illuminated halo indicators are available in single, dual and RGB colours, with frosted white or tinted lenses. Bezels are either black or yellow. Designed to integrate with 16mm, 19mm and 22mm panel cutout switches and other APEM indicators, ensuring bright, highly-visible illumination, the 22mm oversized version integrates with APEM’s range of emergency stop switches,. The viewing angle of these halo indicators is 120 degrees enhancing visibility when seen other than from straight on.


Specifications for the QH Series include a long product life of 50,000 hours, and an operating temperature range of -30degC to +70degC. They feature an anti-rotation pin as standard and have zero behind panel depth. Technical specifications include 200mm 26AWG UL1061 wire terminations. Supply voltage is 12VDC- 24VDC @10mA – 20mA and maximum reverse voltage is 5VDC.  The devices are EMC and ESD tested.  They have EMC immunity to EN61000-4-3, extended to radiated field in the frequency range of 80MHz -2.7GHz, 1kHx.