SMF48A-M3-08

Voltage - Clamping (Max) @ Ipp:	77.4V
Supplier Device Package:	SMF (DO-219AB)
Package / Case:	DO-219AB
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 175°C (TJ)
Capacitance @ Frequency:	161pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	200W
Current - Peak Pulse (10/1000µs):	2.6A
Series:	--
Voltage - Breakdown (Min):	53.3V
Voltage - Reverse Standoff (Typ):	48V
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, including SMF48A-M3-08, are essential components in various electrical and electronic systems. They are widely used to protect such systems against different types of overvoltage transients, such as electrostatic discharge (ESD) pulses or fast transient over-voltage pulses generated by the surrounding environment.SMF48A-M3-08 is Surface Mount Unidirectional Transient Voltage Suppressor diode. It is specifically designed to protect against voltage spikes resulting from lightning, inductive switching and semi-conductor switching. It also provides device protection against voltage transients generated by inductive or resistive loads. SMF series is specially designed for power supplies and features excellent surge capacity, very low leakage current, low capacitance and very high speed. SMF48A-M3-08 is a low capacitance TVS diode which is designed specifically for ESD protection. It is available in the SOD-123 package and has an instantaneous peak pulse current rating of 48A.SMF48A-M3-08 has a wide range of applications and is widely used in a variety of areas such as industrial, military and aerospace, IT and telecommunications, and consumer electronics. In addition to protecting against ESD, SMF48A-M3-08 can also be used for protecting circuits and equipment against transients resulting from inductive load switching or lightning. It is also used to protect automotive devices, video cameras, audio amplifiers, PCs and other related electronic components from voltage overshoots or undershoots caused by the power source.The working principle of the SMF48A-M3-08 is based on the Zener diode voltage-current characteristics. When a voltage transient is applied, it causes a current to flow through the SMF48A-M3-08 diode. The current then dissipates the energy of the transient as heat, thus protecting the circuit from the high voltage damage. The current required to dissipate the energy of the transient and the voltage at which the diode begins to conduct are both dependent on the breakdown voltage of the diode. The SMF48A-M3-08 has a low clamping voltage compared to most other TVS diodes, making it ideal for low voltage applications.When the TVS diode is exposed to a transient voltage, it turns on and begins to rapidly dissipate the energy of the transient which helps protect the circuit from the high voltage damage. The protective action of the SMF48A-M3-08 is enabled by its low on-state resistance and its high peak surge current capability. The ability to reduce the transient to a level that doesn\'t damage the circuit is typically accomplished in nanoseconds, and the breakdown voltage of the diode is determined by its junction capacitance and the capacitance of the circuit.In summary, SMF48A-M3-08 is a surface mount unidirectional transient voltage suppressor diode which is designed for ESD protection. It has an instantaneous peak pulse current rating of 48A and a low capacitance. It has a wide range of applications and is used to protect against voltage spikes resulting from lightning, inductive or resistive load switching, or semi-conductor switching. The working principle of the diode is based on the Zener diode voltage-current characteristics and the protective action of the diode is enabled by its low on-state resistance and its high peak surge current capability.

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