EC103B1AP

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Thyristors - SCRs

An EC103B1AP is a type of Stand-off Thyristor (SCR). An SCR is a semiconductor device that blocks current in one direction and allows current to flow in the reverse direction when voltage is applied in the forward direction. The EC103B1AP is a bi-directional device with a gap of 0.8 inches (20.3 mm) between its terminals. The device may be activated by DC or AC voltage. Its output current range is 0.5 to 25A.

Applications

EC103B1AP SCRs are widely used in various industrial and commercial applications. These include: switching applications such as electric pumps, fans, and compressors, industrial motor speed controllers, load controls, and switching power supplies. They are also used in solar panel charging systems and in some automotive applications such as electric window defrosting and regulating temperature.

Working Principle

When a sufficient voltage is applied across the EC103B1AP SCR, current will start to flow in the forward direction. This causes the SCR to enter its blocking state, where further voltage applied causes the current to increase but does not reverse the flow. Once the current reaches the maximum limit, it will remain constant until the voltage is removed or reduced. Removing the voltage causes the SCR to return to its non-blocking state.

The EC103B1AP SCR also has a back-to-back diode connected in parallel with it. This diode can be used to provide protection against high voltage or current surges. In the back-to-back diode configuration, the diode prevents the SCR from entering its forward conduction state until the voltage is at least 0.5 volts higher than the forward breakover voltage of the SCR.

The EC103B1AP SCR also has a trigger pin, which can be used to control the switching of the SCR. The trigger pin is connected to the gate terminal and when voltage is applied to this terminal, the SCR will enter its conduction state more quickly. This allows the SCR to be switched on more quickly, with less voltage, making it ideal for use in high frequency operations.

Conclusion

EC103B1AP SCRs are useful devices for a wide range of industrial and commercial applications. Their back-to-back diode configuration provides surge protection and their trigger pin offers a convenient way of switching the device quickly and with a minimum of voltage. With their versatility and efficiency, EC103B1AP SCRs are an attractive option for many different applications.

The specific data is subject to PDF, and the above content is for reference