Electronic Design

InRush Current Limiting NTC Thermistors

API Technologies Corp. announced its latest development in NTC thermistors, Surge-Gard inrush current limiting devices. API Technologies Corp. announced its latest development in NTC thermistors, ...
EDN

Current limit switch protects portable devices

Milpitas, Calif. — Sipex Corp. has released the SP619, an 800 mA current limit switch in a SOT-23 package. The SP619 provides fault protection in a wide range of applications such as protecting ...
T&D

AREVA T&D Successfully Tests 13 MVA Shielded, Inductive Superconducting Fault Current Limiter

AREVA’s Transmission and Distribution division and Bruker Energy & Supercon Technologies have successfully designed, built and tested a single module of a 13 MVA (2000 A, 6.4 kV) single-phase, ...
Electronic Design

Limitations of Traditional Circuit Protection for High Energy Surge Threats

There are limitations to older circuit protection solutions that use Transient Voltage Suppressor (TVS) diodes. Responding to this situation, completely new transient current suppressors utilize ...
EDN

Reduce relay coil current with a reset controller IC

This Design Idea shows how to use a 63¢ (Q=1) microprocessor reset voltage detector IC in a relay coil drive circuit to greatly reduce the coil’s hold-in current. When asked to estimate the coil ...