SMF15A RQG

Current - Peak Pulse (10/1000µs):	8.2A
Supplier Device Package:	SOD-123W
Package / Case:	SOD-123W
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	200W
Series:	SMF
Voltage - Clamping (Max) @ Ipp:	24.4V
Voltage - Breakdown (Min):	16.7V
Voltage - Reverse Standoff (Typ):	15V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active

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Introduction to TVS-Diodes

TVS-Diodes (Transient Voltage Suppressors, or TVSs) are specialized electrical components used to protect electronic systems from damage due to electrical transients and voltage spikes. TVSs offer superior protection compared to other voltage-limiting technologies because they feature faster turn-on times and higher clamp voltages.

SMF15A RQG Application Field and Working Principle

The SMF15A RQG from Diodes Incorporated is a Transient Voltage Supressor (TVS) Diode with a robust reverse-biased protection structure. It offers enhanced surge withstand capability of up to 15A at 10/1000 μs waveforms. ThisTVS diode can be used in a wide range of applications, including equipment exposed to hazardous environments, automotive applications, industrial power control units, and more. The working principle of the SMF15A RQG is fairly straightforward. When a voltage spike occurs on the input signal line, the TVS diode rapidly switches on and begins to conduct current, thus limiting the peak voltage across the protected circuit. Once the voltage spike is over, the TVS diode quickly switches off and the circuit returns to its normal operating voltage. The device can withstand a wide range of input voltage transients, from very low-amplitude to extremely high-amplitude transients. The SMF15A RQG features wide standoff and clamping voltage ratings of 4.7V to 160V and a nominal breakdown voltage of 8.2V (NBR). This device was specifically designed to offer enhanced ESD protection in automotive applications and robust protection against the high surge current immunity requirements of high-energy voltage transients. It also features very low capacitive coupling, high blocking voltage, and low leakage current properties.

Conclusion

The SMF15A RQG from Diodes Incorporated is a powerful and reliable Transient Voltage Supressor (TVS) designed specifically to provide superior protection against transient and voltage spikes in a wide range of applications. This device features low capacitive coupling, wide standoff and clamping voltage ratings, and a nominal breakdown voltage. Coupling with its low leakage current and robust reverse-biased protection structure, the SMF15A RQG makes an ideal choice for automotive applications exposed to hazardous and demanding environments. In conclusion, the SMF15A RQG is an outstanding TVS that offers enhanced ESD protection as well as robust protection against high-energy voltage transients. It is able to rapidly switch on and off and limit peak voltage across protected circuits, making it an ideal choice for a wide range of applications.

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