Press Releases

RS Components announces availability of new signal transformers for battery monitoring applications

Dual- and single-channel isolation transformer modules from Bourns meet automotive standard

London, UK, 11 December 2018:

RS Components (RS), the trading brand of Electrocomponents plc (LSE: ECM), a global multi-channel distributor, has announced availability of a pair of BMS (battery monitoring system) signal transformers from Bourns.

The new SM91501AL and SM91502AL are dual- and single-channel isolation transformer modules, respectively, with both devices offering common-mode chokes for noise rejection in BMS applications. Offering compliance with the AEC-Q200 standard for automotive applications, the modules are also implemented in reference designs with Analog Device’s LTC6804-1/6811 and NXP’s MC33771/33772 battery monitoring devices.

Further electrical characteristics include working voltages of 1600Vdc and 1000Vdc for the SM91501AL and SM91502AL, respectively, and a 4300V DC high-potential isolation voltage. Other features of the models include an extended temperature range from –40 to +125°C; support for serial daisy-chain isoSPI communication; and compliance with the RoHS directive.

The Bourns SM91501AL and SM91502AL are shipping from RS in the EMEA and Asia Pacific regions.


About RS Components

RS Components, Allied Electronics & Automation and IESA Ltd are the trading brands of Electrocomponents plc, a global multi-channel distributor. We offer more than 500,000 industrial and electronics products, sourced from over 2,500 leading suppliers, and provide a wide range of value-added services to over one million customers. With operations in 32 countries, we ship more than 50,000 parcels a day.

Electrocomponents is listed on the London Stock Exchange and in the last financial year ended 31 March 2018 had revenues of £1.71bn.

For more information, please visit the website at

Editorial Contacts
Aakriti Kaushik
PR Manager - Northern Europe
RS Components

PR Agency Contact
Janice Fenton
Account Director
Publitek Technology PR
+44 (0)1225 470000

Further information is available via these links:

Twitter: @RSComponents; @designsparkRS


RS Components


Electrocomponents plc