The BCR420U and BCR421U Constant Current Regulators (CCR) provide a simple means of driving low power LED strings. Target applications are those that benefit from the improved efficiency, flexibility and longer life offered by LEDs as an emerging lighting source. These include LED strips for:

  • Architectural and mood lighting • Emergency lighting • Advertising signage • Retail refrigeration and vending machines

These CCRs support adjustable currents from 10mA to 350mA allowing for platform designs based on a single device to be used across multiple LED strip applications, considerably easing a manufacturer’s overall qualification process. These LED drivers also enhance system reliability as the monolithic integration of a transistor, diodes and resistors both simplifies system design and reduces component count.

With a minimum 1.4V supply voltage the BCR420/1 maintain regulation under low voltage operation, whilst the 40V maximum input rating ensures sufficient headroom for transient supply voltages and allows for LED short failures on long strings. Along with a negative temperature coefficient, which reduces the output current as the temperature increases, allowing current sharing between two or more BCR420/1 devices. This enables them to be connected in parallel to create a higher current output without risk of thermal runaway. With its low-side driver configuration, the BCR421U has the added feature of an enable function that can adjust the light output level using a PWM input signal. Both devices are supplied in SOT26 (SC-74) packages, providing pin-compatibility with other sources.

Zierick announces that it has redesigned its website and added new features.

The new website is designed to allow customers a more efficient format to obtain information from Zierick.

Test Reports, Application Prints, CAD Downloads, links to UL Listings have all been added



Today Ixys announced the the release of of a highly-efficient  IXOLAR™ solar panel: the SLPN005H10L. This product is a lightweight, 5 watts, mobile photovoltaic panel with an integrated sun-angle adjuster for maximum solar exposure. The rated efficiency is as high as 22 percent. These panels are ideal for powering portable electrical equipment, PCs, tablets, smart phones and charging batteries via an integrated USB port. 

 Here is the direct link to the datasheet for easy access.


The T Series Connector offers a new innovative design for the defense/security, test & measurement, medical and any other market/application that requires a watertight connection.  The T Series Connector is a small sized watertight connector using the same original LEMO Push-Pull technology. Based on the LEMO B Series, the T Series Connector includes a special construction with an inner-sleeve and extra sealing to enable IP68 water protection.  The T Series is available in 2- to 32- contact configurations. Contacts can be terminated by soldering to the wire, crimping onto the wire, or directly to a PCB. A keying system ensures correct connector alignment and the connector outershell offers full EMI shielding.

Call Hanna Lind for more information or samples