SMF15A-T13 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	24.4V
Supplier Device Package:	SOD-123FL
Package / Case:	SOD-123F
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	200W
Current - Peak Pulse (10/1000µs):	8.2A
Series:	SMF
Voltage - Breakdown (Min):	16.7V
Voltage - Reverse Standoff (Typ):	15V
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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SMF15A-T13 Application Field and Working Principle

SMF15A-T13 is a type of Transient Voltage Suppression (TVS) diode that is used mainly to protect electrical circuits against high-energy pulses. The device operates by diverting destructive transients away from the sensitive components, thus preventing any permanent damage or destruction. It is typically used in systems such as automotive, telecommunication, computers, consumer electronics, and medical systems. This article provides an overview of the SMF15A-T13, including its application fields, working principle, etc.

Application Fields of SMF15A-T13

The SMF15A-T13 is designed to protect sensitive components from overvoltage and short-circuit situations. It can be used to protect against both direct and indirect transients. Common applications of the SMF15A-T13 include automotive electronics, telecommunication systems, computer systems, consumer electronics, industrial controls, and medical devices. In automotive applications, the SMF15A-T13 is used to protect the ECU against high-energy transients created by power surges in the vehicle\'s electrical system. It is also used in electronic control units (ECU) for controlling automotive functions such as airbags, air suspension, and antilock brakes.In telecommunication systems, the device is used to protect sensitive circuit components from high-frequency, high-energy transients. It is also used in consumer electronic products such as televisions, DVD players, and digital video recorders. Additionally, the SMF15A-T13 is used in industrial controls to safeguard against faulty wiring and in medical equipment to protect against power surges that may cause damage or destruction to the device.

Working Principle of SMF15A-T13

The SMF15A-T13 is a unidirectional device that is designed to protect sensitive components from overvoltage and short-circuit situations. It operates by diverting destructive transients away from sensitive components to a shunt path which is then safely dissipated as heat. In essence, it acts as a "check valve", allowing electricity to flow in one direction in normal operation, while blocking any high-voltage transients that may be generated.The device is placed in series with the circuits being protected and are designed to turn on when the voltage exceeds its breakdown voltage, or the voltage at which a current starts to flow. Once the threshold voltage is reached, the device "clamps" the voltage at the protected point, diverting the energy from the protected circuit and absorbing it into the non-active environment. This process dissipates the energy, and prevents any permanent damage to the protected components.

Conclusion

The SMF15A-T13 is a type of Transient Voltage Suppression (TVS) diode that is used to protect sensitive components from overvoltage and short-circuit situations. It is typically used in automotive, telecommunication, computer, consumer electronics, industrial controls, and medical systems. The device operates by diverting destructive transients away from the sensitive components, thus preventing any permanent damage or destruction. The device is placed in series with the circuits being protected, and when the threshold voltage is exceeded, it "clamps" the voltage and absorbs the energy into the non-active environment. This process, along with proper installation and maintenance, can ensure the continued protection of sensitive components.

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