New parts bring low power use to industrial equipment
Toshiba Electronic Devices & Storage Corporation expanded its DCL34xx0B series of quad-channel standard digital isolators with four new products for industrial equipment.
The new parts are DCL340L0B, DCL340H0B, DCL342L0B and DCL342H0B. Each device draws 0.2mA per channel, typical, uses an SSOP16 package and supports data rates up to 25Mbps.
All four products have a minimum isolation rating of 3,000Vrms. They also support supply voltages from 2.25V to 5.5V and temperatures from -40 to 125C.
DCL34xx0B series expansion
DCL340L0B and DCL340H0B use four forward channels and zero reverse channels. Toshiba positions that pair for unidirectional digital signal transmission.
By contrast, DCL342L0B and DCL342H0B use two forward channels and two reverse channels. That configuration supports bidirectional digital signal transmission.
Toshiba uses its proprietary magnetic coupling isolation transmission technology in all four devices. The company also added a new circuit technology in the isolation signal transmission section to keep power low while maintaining stable data transfer at up to 25Mbps.
The parts target industrial equipment such as programmable logic controllers, actuators and inverters. In those systems, isolation helps prevent failures, limit the spread of abnormalities and reduce noise-related malfunctions.
According to Toshiba, electrical noise rises as devices operate at higher speed. As a result, designers need isolation components that pass signals between high-voltage and low-voltage circuits and keep operating in noisy environments.
Toshiba also tied the launch to demand for smaller equipment and longer service life. The company used an industry-standard SSOP16 package to meet compact design requirements.
Lower system power use is also linked to carbon neutrality targets in electronics. Toshiba framed low-power operation as an increasingly important requirement for isolation devices and other industrial components.
The wider DCL34xx0B family already included DCL341L0B and DCL341H0B in mass production before the 13th July 2026 expansion. Those earlier parts use a three-forward, one-reverse channel configuration and support interfaces including SPI communications.
