EC103B1

Current - On State (It (RMS)) (Max):	800mA
Supplier Device Package:	TO-92
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 110°C
SCR Type:	Sensitive Gate
Current - Non Rep. Surge 50, 60Hz (Itsm):	16A, 20A
Current - Off State (Max):	1µA
Current - Hold (Ih) (Max):	5mA
Series:	--
Current - On State (It (AV)) (Max):	510mA
Voltage - On State (Vtm) (Max):	1.7V
Current - Gate Trigger (Igt) (Max):	12µA
Voltage - Gate Trigger (Vgt) (Max):	800mV
Voltage - Off State:	200V
Part Status:	Obsolete
Packaging:	Bulk

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Thyristors - SCRs

EC103B1 Application Field and Working Principle

The EC103B1 is a type of thyristor, more specifically, a silicon-controlled rectifier (SCR). The special feature of SCRs is that they conduct in only one direction when the gate of the SCR is left open by applying a positive voltage to it. This makes SCRs well suited for use as power controllers for a variety of purposes including controlling AC and DC power, as well as for use as voltage and current regulators, allowing for precise and reliable control of power flow.In terms of application fields, SCRs such as the EC103B1 are used extensively in the automotive and aerospace industries, in the latter due to the fact that they are highly reliable, need little environmental protection, and are immune to radio transmission interference. The EC103B1 is often used in circuit protection settings and in lighting applications, as it is capable of controlling higher wattage lamps than traditional lamp dimmers. Moreover, the EC103B1 can also be used in various high voltage systems as well as in electric heating and welding systems.The working principle of the EC103B1 is based on a “triggering signal” that is applied to the gate of the SCR. Therefore, the EC103B1 is essentially a switch that is controlled by a signal rather than by the conventional method of manual switching. This triggering signal allows for precise control of the current or voltage that is passed through the SCR, allowing it to be used for fine-tuned regulation and control of both AC and DC signals.When the gate of the SCR receives a positive signal, the SCR conducts, allowing current to flow from anode to cathode. The gate must remain in this state for the SCR to continue to conduct; if the gate voltage drops below positive threshold, the SCR will turn off and electricity will not pass. One advantage of this behavior is that an applied signalcan be used to precisely control the SCR, allowing it to be used as a power controller.In addition to the gate, the SCR contains an anode and a cathode, which are connected to an external power source. The current flowing from the anode to the cathode is determined by the resistance of the circuit that the SCR is connected to. When the gate becomes positive, it triggers the SCR and current is allowed to flow from the anode to the cathode. This can be used to precisely control the power that is flowing through the SCR and allow it to be used as a switch in a number of applications. The EC103B1 is a surprisingly versatile SCR that is capable of regulating current and voltage in a wide range of applications. It has a wide range of uses in the automotive and aerospace industries, as well as in electric heating and welding systems, lighting applications, and a host of other applications. The EC103B1 generally contains a three terminal structure that is utilized to precisely regulate current and voltage flows, with the variable being the applied signal to the gate. With this variable in play, the EC103B1 can be adjusted to fit the specific needs of the application, providing reliable and precise control.

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