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Devices, components, assemblies and hardware associated with the design and development of electronic equipment. Includes active and passive components, enclosures, interconnection, optolectronics, power and subassemblies.

Data sheet: SXUV300C 331mm² photodiode from AP Technologies download

AP Technologies LtdWed, 25 Feb 2015

This data sheet presents the features and specifications of the Opto Diode Corp SXUV300C 331mm² photodiode, which is available from AP Technologies.

Software-based measuring and testing using the CPC 100 and PTM

Magazine article: an expert guide — Primary Test Manager saves time and money downloadweblink

OMICRON electronicsTue, 24 Feb 2015

Used in conjunction with OMICRON’s CPC 100, Primary Test Manager is claimed to be the perfect tool for performing tests in a way that is time saving and cost effective.

K series

Data sheet: K series of DC/DC and AC/DC converters from Relec Electronics download

Relec Electronics Tue, 24 Feb 2015

The K series of DC/DC and AC/DC converters from Relec Electronics is suitable for use in advanced electronic systems.


Selection guide: modular terminals, markers and tools from Weidmüller download

WeidmullerTue, 24 Feb 2015

Weidmu¨ller offers a range of modular terminals designed to provide users with added value at all stages — from planning through to installation and operation.

Data sheet: SuperFlux series light-emitting diode from AP Technologies download

AP Technologies LtdMon, 23 Feb 2015

This data sheet presents the specifications of the SuperFlux series high-power light-emitting diode (part number SML-LX111OUSBC-BTR) from AP Technologies.

HDD60 series DC/DC converter

Data sheet: HDD60 series of DC/DC converters from Relec Electronics download

Relec Electronics Fri, 20 Feb 2015

This data sheet presents the HDD60 series of 50–60W single-, double- and triple-output DC/DC converters from Relec Electronics.

DSUB series

Data sheet: DSUB series of DIN-rail-mounted interface modules from Omega Engineering download

Omega EngineeringFri, 20 Feb 2015

The DSUB series of DIN-rail-mounted interface modules is designed to provide a reliable ‘plug-and-play’ interface for any industrial control system.

Data sheet: QLF1335-AE quantum dot laser device from AP Technologies download

AP Technologies LtdFri, 20 Feb 2015

The QLF1335-AE from AP Technologies is 1,310nm quantum dot laser diode device for use in extremely high-temperature environments.

DRSP-I series

Data sheet: DRSP-I series DC current signal splitters from Omega Engineering download

Omega EngineeringWed, 18 Feb 2015

The DRSP-I series DC current signal splitters accept one 4–20mA current input and provide two optically isolated 4–20mA current outputs that are linearly related to the 4–20mA current input.

H_RN-2W and H_LT-2W series

Data sheet: H_RN-2W and H_LT-2W series of DC/DC converters from Relec Electronics download

Relec Electronics Wed, 18 Feb 2015

The H_RN-2W and H_LT-2W series are designed for applications where a group of polar power supplies are isolated from the input power supply in a distributed power supply system on a circuit board.

More product downloads

Cover image

Magazine article: new energy concepts — new testing concepts downloadweblink

OMICRON electronicsThu, 19 Feb 2015

The effects of the changes in Germany’s energy policy are already being felt. Together with the photovoltaic systems installed in southern Germany and various biogas facilities, the countless wind turbines along the north German coast should cover at least 35 per cent of Germany’s total energy requirements by 2020. As this OMICRON Magazine article explains, REpower tested a new generation of high-performance offshore wind turbines at selected locations, although they were initially ...

Application note: accurate temperature sensing with an external P-N junction downloadweblink

Linear TechnologyWed, 18 Feb 2015

Many Linear Technology devices use an external PNP transistor to sense temperature. Common examples are the LTC3880, the LTC3883 and the LTC2974. Accurate temperature sensing depends on proper PNP selection, layout and device configuration. This application note reviews the theory of temperature sensing and gives practical advice on implementation.

White paper: how to isolate your 4–20mA signals without affecting loop integrity downloadweblink

OmniflexTue, 10 Feb 2015

A ubiquitous problem with every industrial plant is the interface of plant measurement signals to the monitoring and control systems. Unfortunately for many plants, this is the single biggest area of weakness — and with the success of the organisation depending on these measurements, more attention should be afforded to the integrity of signal conditioning systems. This paper from Omniflex provides practical guidelines on when and how to introduce signal isolation into 4–20mA loops ...


White paper: a new approach for on-site calibration of voltage transformers downloadweblink

OMICRON electronicsTue, 10 Feb 2015

Voltage transformers (VTs) are used in electrical grids for metering and/or protection purposes. The high requirements regarding their precision demand a calibration of the objects before installation. The accuracy classes of VTs are different for protection and metering transformers and are classified depending on the maximum ratio and phase-angle error between the vectors of the primary voltage and the secondary voltage related to the primary side.

Application note: fast-charge circuits for NiCad batteries downloadweblink

Linear TechnologyMon, 9 Feb 2015

The safe, fast charging of NiCad batteries is attractive in many applications. Short charge time requires high current. A potential difficulty with high-current charging is battery heating. Excessive internal heating degrades the battery and can cause venting to the outside atmosphere. As Linear Technology explains here, fast-charge schemes based on monitoring cell voltage during charge suffer because cell voltage is not necessarily indicative of the battery’s charge state. Additionally, ...

Application note: Linear Technology explores power supply layout and EMI downloadweblink

Linear TechnologyTue, 20 Jan 2015

PC-board layout determines the success or failure of every power supply project. It sets functional, electromagnetic interference (EMI) and thermal behaviour. Switching power supply layout is not black magic, but is often overlooked until it is too late in the design process. Fortunately, physics is on your side.