BCR3FM-12LB#BH0

Series:	--
Part Status:	Active
Triac Type:	Standard
Voltage - Off State:	600V
Current - On State (It (RMS)) (Max):	3A
Voltage - Gate Trigger (Vgt) (Max):	1.5V
Current - Non Rep. Surge 50, 60Hz (Itsm):	30A @ 60Hz
Current - Gate Trigger (Igt) (Max):	20mA
Configuration:	Single
Operating Temperature:	-40°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3 Full Pack
Supplier Device Package:	TO-220FPA

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A TRIAC is a three-terminal ac switch that can be used for controlling current or voltage. It acts like a pair of SCRs connected in inverse parallel, and can switch both halves of an AC waveform. They are widely used to control power in AC circuits, particularly in residential and commercial lighting systems. The BCR3FM-12LB#BH0 is a widely used TRIAC that is employed in several industrial settings. This article will discuss the application field and working principle of the BCR3FM-12LB#BH0.The BCR3FM-12LB#BH0 is a gate controlled TRIAC with no zero potential crossing feature. It is used in applications requiring ac switching, phase control, and lighting control. It is designed to control low level signals up to 115VAC. The BCR3FM-12LB#BH0 features a high surge current capable of switching a load up to 8 Amps at 600V. It is a robust and reliable device that is used in both home and industrial applications.The BCR3FM-12LB#BH0 includes two diodes and a bidirectional voltage trigger thyristor. The input current is used to energize the gate to turn on the TRIAC and controlled TRIAC current is thus obtained. When a sufficient amount of gate current is applied, the TRIAC starts to conduct in both directions, enabling it to switch both halves of the input waveform. It can be used to selectively turn on and off either polarity of the AC waveform, allowing for precise control of the load current.The device offers versatility due to the fact that it bridges the gap between analog and digital signals. It can be used in systems that require pulse-width modulation, pulse-width-modulated dimming, and analog signal on/off switching. Its small package size makes it an ideal choice for many applications, including a wide range of industrial motor speed control devices.The BCR3FM-12LB#BH0 also offers precise control over the switching time and the current mode. With its built-in back-EMF protection, it is capable of handling high-surge current and inductive loads without any damage. The device can be triggered with both a DC or AC signal, allowing the user to trigger the device with a low voltage signal and eliminating the need for a high-voltage drive circuit.Additionally, since it is bidirectional, the BCR3FM-12LB#BH0 can be used to switch both halves of the AC waveform. This allows for more precise control, as the user can select which portion of the waveform to switch and can vary the on/off ratio of both the negative and positive portions of the waveform. This enables the device to be used for applications involving alternating current control and conversion, including motor control and thyristor dimming.In summary, the BCR3FM-12LB#BH0 is a versatile fuse-controlled TRIAC that is used in a variety of industrial settings. It is ideal for applications involving ac switching, phase control, and lighting control, and can be triggered with either a DC or AC signal. The device also features a robust and reliable design, enabling it to handle high-surge current, inductive loads and back-EMF. With its built-in bidirectional current, the BCR3FM-12LB#BH0 can be used to switch both halves of an AC waveform, allowing for precise control and efficient dimming.

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