2P4M SCR PDF

2P4M is a solid state semiconductor device called Thyristor or SCR (Silicon Contr . Manufacturer: NEC Manufacturer Part No: 2P4M Package / Case: TO RoHS: Yes Datasheet: Click Here Specifications Current Rating: 2A SCR Type: Single. FEATURES: 2A (4 Ar.m.s) Thyristor Easy installation by TOAA package Less holding current distribution provides free application design.

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2P4M 2A Plastic Molded Thyristor

Submitted by admin on 24 November This is due to the characteristics of the device as a SCR. Since svr power supply is DC the SCR which was triggered ON will stay in conduction mode even after the gate voltage is removed after the device starts conducting. After button B2 is released the device will again block the forward DC voltage and will wait for the gate pulse.

At initial state button B1 will be not pressed and in gate voltage dcr SCR will be in non-conductive state.

2P4M – 2A 400V THYRISTOR

First understanding the working scrr us consider a simple application circuit for the device as shown in the circuit diagram below. How to use 2P4M SCR First understanding the working let us consider a simple application circuit for the device as shown in the circuit diagram below.

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Also in circuit, device Anode is connected to load and cathode is connected to second end of power source. So until the button B1 is pressed again the load voltage will be zero. This state continuous until a zcr pulse is give to the gate of the device and this is possible when button B1 is pressed.

TL — Programmable Reference Voltage. This way we have used the SCR as a switching device and in a similar way src can use in other applications.

2P4M NEC V 2A mA SCR

As show in graph once the button B2 is sce the voltage across the load will become sct due to the loop break and the device will start recovering.

As shown in graph the voltage appears across load after second trigger and this cycle of triggering and breaking continuous. So under no trigger to the gate of the SCR i. So when B1 is pressed at a time T1 as shown in graph, SCR starts conducting and a voltage appears across the load as shown in the graph.

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Now for recovering the SCR to its high resistance state the current flow though the device must be brought to zero for fraction of second. Once this button is pressed the circuit loop will break and current flow though the device will become zero. In addition Button 2 will be close by default and will break the circuit once it is pressed.

The device is designed to have highly sensitive trigger levels and is suitable for applications where available gate currents are limited.

Here V1 is the DC voltage source, dcr resistor type load is connected in series with SCR and Vg is the trigger voltage at the gate of the device.

And to drop the current through the loop to zero we will press button B2. Once the current is cutoff the charge stored in the device will dissipate and it will recover to its xcr forward blocking state.