1.5SMC18A TR13

Voltage - Clamping (Max) @ Ipp:	25.2V
Supplier Device Package:	SMC
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	59.5A
Series:	--
Voltage - Breakdown (Min):	17.1V
Voltage - Reverse Standoff (Typ):	15.3V
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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1.5SMC18A TR13 Application Field and Working Principle1.5SMC18A TR13 is a part of the Transient Voltage Suppressor (TVS) diodes family. It is widely used in the fields of industrial automation, ITE, aerospace, automotive electronics, and many other high-reliability applications relying on high-quality TVS diodes protection. The 1.5SMC18A TR13 diode is constructed in a surface-mount flat package, making it easier to install and integrate into printed circuit boards (PCBs).This diode has a unidirectional power securing configuration, which provides protection against electrostatic discharge (ESD) up to an industry standard of ±8 kV. Typical operating and break over voltages range from 11 to 15 V and 15 to 25V, respectively. The maximum peak pulse current value is 10 A, and it delivers a protect-level of up to 600 W of peak pulse power, making it reliable and efficient in power consumed. TVS diodes act as a clamping device, and are designed to help guard circuitry from voltage transients. They can take multiple forms, such as zener diodes, gas discharge tubes, and unidirectional (spikes) and bi-directional (surges) devices. The 1.5SMC18A TR13 is a bi-directional TVS diode, meaning it will protect bidirectionally, and it does not need to be Direction Sensitive. It also features surge clamping, which helps minimize the voltage ripple due to the overvoltage of transistors on a PCB. In their off-state, TVS diodes do not dissipate any power, and they do not act as a current source in order to limit the voltage. However, once the voltage on the terminals reaches the breakdown or clamping voltage of the diode, the diode will enter its “on” state, or conducting state. This is known as the breakover voltage. The maximum clamping voltage for the 1.5SMC18A TR13 is 11 V to 25 V. Once the voltage breaks over, the diode will start to limit or clamp the voltage. In its breakdown or clamping state, the TVS diode will act as a current sink and draw current from the circuit, thus limiting the voltage. This prevents the circuit from suffering a harmful voltage surge or spike, providing circuit protection from electrostatic discharge, transients, and electrical overstress. The 1.5SMC18A TR13 will discharge the current until the voltage decreases back to levels within the specified operating range. The 1.5SMC18A TR13 diode is a cost-effective and efficient solution for many power protection applications. Its cost, ease of installation, and high protection levels mean that it is widely used in the industrial automation, ITE, aerospace, and automotive electronics fields. With its wide ranging operating and breakover voltage and its high peak pulse power protection level, the 1.5SMC18A TR13 diode is a reliable and effective choice for many power protection applications.

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