1.5SMC20A

Voltage - Clamping (Max) @ Ipp:	27.7V
Supplier Device Package:	DO-214AB (SMCJ)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	54.9A
Series:	1.5SMC
Voltage - Breakdown (Min):	19V
Voltage - Reverse Standoff (Typ):	17.1V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

The 1.5SMC20A devices are a type of transient voltage suppression (TVS) diodes used in various applications, such as protecting integrated circuits, opto-couplers, power conversion stages, or wire harnesses from damage due to high voltage transients caused by electrostatic discharges or conductive and inductive switch over-voltages. A TVS is an electronic valve which, when a certain voltage level is exceeded, quickly changes from a high-resistance to low-resistance state and thus offers effective protection of a circuit against transient voltages. A TVS diode is basically a special type of Zener Diode, with the difference that the clamping angle - the ratio between the breakdown voltage and the maximum current - is much smaller. The 1.5SMC20A is designed for surge and ESD protection in the low voltage domain, and provides a transient clamping voltage in the range of 20 - 25 V in a bidirectional configuration. It is capable of safely dissipating a maximum of 9 A without sustaining any permanent damage and it features fast and soft turn-on characteristics, low leakage current and a high peak surge (8/20 us) capability up to 1.5A, making it an ideal choice for ESD sensitive applications. The working principle of the 1.5SMC20A involves the switching of the diode\'s internal junction by effectively dissipating up to 9 A in each direction. When the peak voltage exceeds the specified breakdown voltage of the diode, its junction switches from a high-resistance to a low-resistance state, which creates a path for the current. This path prevents further increase in voltage and effectively clamps the voltage at a specified level. The 1.5SMC20A does not require any external components for protection and is, therefore, a cost-effective solution for various applications. It is particularly suited for protecting electronic circuits from damage that may be caused by high voltage transients caused by ESD or short-duration phenomena. In addition, it can be incorporated in various applications, such as automotive, industrial, consumer electronics, mobile devices, medical equipment, etc., where fast turn-on and fast response times are required. In terms of safety and reliability, the 1.5SMC20A has a wide operating temperature range of -55C to 125C. It is compliant with UL 1449 4th edition and IEC 612321-3. Its hermetically sealed package also helps in meeting environmental and reliability standards. Through its design and performance characteristics, the 1.5SMC20A provides effective protection against transient voltages caused by ESD or short-duration events. It is a reliable, cost-effective, and readily available solution for a wide range of applications. With its features, the 1.5SMC20A is an ideal choice for protecting vulnerable electronic circuits from high voltage transients.

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