1.5SMC100A TR13

Voltage - Clamping (Max) @ Ipp:	137V
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):	11A
Series:	--
Voltage - Breakdown (Min):	95V
Voltage - Reverse Standoff (Typ):	85.5V
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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1.5SMC100A TR13 TVS - Diodes - Application Field and Working Principle

The 1.5SMC100A TR13 is a transient voltage surpressor (or TVS) diode, a semiconductor device used for protecting circuits against the effects of voltage transients. A TVS operates like a normal diode in reverse-biased condition, by diverting large voltage pulses to ground instead of passing them to the device being protected. The 1.5SMC100A TR13 has been designed for use in a variety of applications, including automotive, withstanding up to 15kV air gap discharge rating and having an operating voltage range of 5-570V.

Application Field

Due to its high peak pulse power and low leakage current abilities, the 1.5SMC100A TR13 is suitable for a range of automotive applications, such as those where a spark-gap protection is needed, as in the fields of connected cars or powertrain systems. It is also suitable for protecting electronic systems against voltage surges such as ESD (electrostatic discharge) and electrical transients due to EFT (electrical fast transients).The 1.5SMC100A TR13 diode is also suitable for use in medical applications, as it has the capability to withstand high surge currents while being compact enough for integration into medical equipment and implantable medical devices. Finally, the 1.5SMC100A TR13 diode is suited for use in industrial equipment and noise protection in power supplies, for which it provides both high ESD immunity and control of surges.

Working Principle

When the 1.5SMC100A TR13 is used to protect against voltage transients, it operates by diverting the transient surge away from the protected circuit. The diode is placed within the protected circuit, in parallel to the load, and the surge is diverted through the diode to ground. When the voltage of the surge reaches the diode’s breakdown voltage, the diode is forward-biased and the current flows through the diode, thus protecting the circuit’s components from damage.When the surge passes through the diode, the current flows in reverse, and the diode then acts as a rectifier, allowing only one-directional current flow and thus limiting the damage caused by the surge. The diode is designed to dissipate the power from the surge quickly, thus redirecting the energy to ground rather than passing it on to the rest of the circuit.

Conclusion

The 1.5SMC100A TR13 is a transient voltage surpressor diode used for protecting circuits against the effects of voltage transients. It is suitable for a range of automotive, medical, and industrial applications, due to its high peak pulse power and low leakage current abilities. When it is used to protect against voltage transients, it operates by diverting the surge away from the protected circuit, by acting as a rectifier and redirecting energy into the ground rather than passing it back into the circuit.

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