12TTS08STRL

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Thyristors - SCRs

A silicon controlled rectifier (SCR) or thyristor is a four layered semi-conductor device, the main purpose of which is to control the flow of current. It is a semiconductor device with three terminals, such as anode, cathode, and gate. SCRs are mainly used as on-off switches in power control circuits and can provide a high degree of reliability. The SCR offers excellent performance in controlling high voltages and currents in a wide range of applications.

12TTS08STRL application field and working principle

The 12TTS08STRL is a four-layer sensitive gate silicon controlled rectifier. It is widely used in applications like motor control, dynamic braking, power control, telecommunications, high-speed solid-state relays and converters. The 12TTS08STRL has a high current-carrying capacity and on/off ratios. The device also provides excellent surge and dynamic performance, which makes it suitable for high frequency applications.

The 12TTS08STRL is a current-sensing controlled rectifier with an integrated reverse static conductor that allows the device to sense the current in the anode. It is designed to change state rapidly in response to a small trigger current and has a voltage gain of up to 1000, making it suitable for high-speed applications. It also offers an inherent current limit, which increases the non-destructive behavior of the device and ensures higher operating reliability.

The 12TTS08STRL is triggered when a small amount of gate current flows through the gate and is conducted through the reverse static conductor. This gate current is proportional to the current that is flowing in the anode. As the gate current increases, the SCR is turned on. When the current reaches a certain level, the device will turn off again and the gate current will be shut off.

The 12TTS08STRL has several built-in protection features, including current reversal and reverse static voltage protection. The current reversal feature prevents the device from turning on when the anode current is higher than the gate current, which will reduce the chance of false triggering and improve the safety of the device. The reverse static voltage protection feature helps preve

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