The Constant Current provided by Semitec

Published:2011/8/18 3:07:00 Author:Li xiao na From:SeekIC

The Semitec is the leading supplier of thermal components all over the world. The thermal components can work with some of the main suppliers in the thermistor and thermostat industry. This manufacturer has the history of more than twenty five years.

The high accuracy temperature sensing and control for electronic and programmable thermostats. PEPI bimetal thermostats and thermal cut-outs offer cost-effective control and over-temperature protection are provided by the ATC Semitec NTC thermistors and temperature sensors.

NEC Sefuse thermal fuses, TKS PTC thermistors and Semifuse PTC fuses offer reliable circuit protection. Constant current is supplied by Semitec CRD current limiting diodes and current surges controlled by SCK inrush current limiters. Voltage spikes and surges are suppressed by TVR series varistors and GDT series gas discharge tubes. Campini adjustable thermostats offer accurate room temperature control and TKS humidity sensors can help provide a comfortable environment.

The constant output, which is over a wide voltage input range, can be delivered by the CRD of Semitec. This constant current can reach 100V. With a single CRD, the user is able to change several components in a conventional constant current network, therefore, the user can design multiple input voltage circuits and decrease the component count in space critical applications.

The current provided by this company ranges from 0.01mA to 15mA. The new CRD devices offer protection, stability and improved performance to circuit driving LEDs, thus the waveforms and biasing amplifiers can be produced. Both the axial DO-35 package and a mini-MELF format can use the CRD. The glass encapsulation of these two packages ensures long-term stability and operating use up to 150 "C. We can gain the higher voltage and higher current ratings by utilizing these two packages.

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