Rohm’s PFC + flyback control reference design for consumer and industrial power supply applications only requires a single ...

PULS L.P. recently announced the North American release of its latest PISA-M Series 4-channel electronic circuit breakers (ECBs), providing a powerful ...

This protection can happen instantaneously or on a predetermined timeframe, depending on the nature of the overcurrent. What’s being protected? The circuit itself, for one thing.

An OCPD must be capable of opening a circuit when an overcurrent situation occurs, and its interrupting rating must be sufficient to avoid damage in fault conditions [110.9]. The general rule for ...

A typical solarstring might output 4.2A in normal operation, and its forward ISC willbe around 4.5A. When combined with other strings in a small 450VDC 10kWsystem, the short circuit current that the ...

To demonstrate the effectiveness of fast overcurrent protection and the impact of response time on power dissipation, a test circuit was built. A simplified schematic for this circuit is shown in ...

Mike Holt is the owner of Mike Holt Enterprises (www.MikeHolt.com), one of the largest electrical publishers in the United States. He earned a master's degree in the Business Administration Program ...

The widespread adaptation of VoIP gateways in homes and enterprise environments has resulted in increasingly stringent safety requirements for Customer Premise Equipment. The 2Pro device helps ...

Many equipment manufacturers prefer protection circuits combining resettable overcurrent protection devices with upstream fail-safe protection. In this example, R1 represents a ballast resistor used ...