TISP61089ASDR-S

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	64V
Voltage - Off State:	120V
Current - Peak Pulse (10/1000µs):	30A
Current - Hold (Ih):	150mA
Number of Elements:	2
Capacitance:	100pF
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)

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TVS - Thyristors – TISP61089ASDR-S Application Field and Working Principle

Thyristors, more commonly known as TRIACs (Triode Alternating Current Switches), are solid-state semi-conductors which are widely used in many applications of automation such as switching, regulating, motor speed control, modulation, and circuit protection. A wide range of thyristors are available on the market, fromto small surface mount devices to large chassis-mount types for motor control. The TISP61089ASDR-S is a type of thyristor with unique features such as a high voltage rating (45V at the PD circuit) and a low turn-on voltage (0.1V typical). The device also offers a low profile package, making it suitable for both through-hole and SMT designs.The TISP61089ASDR-S is mainly used in high-power applications where a reliable and fast switching is required, such as AC motor control, lamp ballast, and starter systems. It is also used in power over ethernet (PoE) systems applications as an electronic switch and in medical equipment for motor control, LED dimming, and robotic control. The device is designed to safely dissipate high current transients of up to 10A with low thermal resistance of 0.6°C/W and low forward voltage drop of 0.6V max.The TISP61089ASDR-S is a four-quadrant device, meaning it can switch both positive and negative current, enabling unipolar AC motor control. The device is constructed of two parts: a thyristor element and a diac trigger. The thyristor element is a unidirectional thyristor (a pair of PN junctions) with a pair of anode and cathode terminals. The diac trigger is connected in parallel with the thyristor and is responsible for controlling the opening and closing of the thyristor.The thyristor element is active when a positive voltage is applied to its anode and a negative voltage is applied to its cathode. When the diac trigger is activated (i.e. when the voltage at the diac trigger exceeds its firing threshold voltage), it causes the thyristor to switch on and pass current. This is known as turn-on. The reverse is true for turn-off; when the voltage drop across the thyristor exceeds its reverse breakdown voltage, the diac trigger deactivates and the thyristor turns off.The TISP61089ASDR-S has a forward conducting current of 5A and a reverse blocking voltage of 45V. It also features a maximum capacitance of 100pF which provides fast switching times and high noise immunity. The device also offers an integrated temperature sensing capability which provides temperature feedback. This feedback can be used for controlling the output current or to protect the thyristor from excessive temperatures.In conclusion, the TISP61089ASDR-S is a highly-reliable thyristor device which is suitable for a wide variety of applications. It offers a high voltage rating, low turn-on voltage, low profile package, and integrated temperature sensing functions which make it an ideal choice for AC motor control, PoE systems, lamp ballast, and medical equipment.

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