SMF4L20A

Voltage - Clamping (Max) @ Ipp:	32.4V
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:	400W
Current - Peak Pulse (10/1000µs):	12.3A
Series:	SMF4L
Voltage - Breakdown (Min):	22.2V
Voltage - Reverse Standoff (Typ):	20V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

SMF4L20A Application Field and Working Principle

SMF4L20A TVS-Diodes are a type of protection component designed to reduce voltage overshoots in the electrical systems. TVS-Diodes are commonly used in a variety of applications from communications to industrial and automotive. SMF4L20A TVS-Diodes provide an additional measure of surge protection, thereby reducing potential damage caused by transient voltage spikes.The SMF4L20A TVS-Diodes are designed to protect against both overvoltage and undervoltage conditions. Undervoltage conditions can occur when there is a sudden decrease in power, and can cause systems to shut down. Overvoltage conditions, on the other hand, can result in unexpected shutdowns or even damage due to too much power being delivered. The SMF4L20A provides protection against both of these conditions by quickly reducing the voltage level when a spike occurs.The SMF4L20A is a voltage-dependent diode, which means that it reacts to voltage changes and will activate when the applied voltage exceeds the predetermined threshold. This allows the TVS-Diode to provide surge and ESD protection. Additionally, it features a low dynamic resistance, which further reduces the risk of overcurrent and over temperature. Additionally, the SMF4L20A features a peak pulse power rating of 2000 Watts, making it suitable for use in a range of power systems.The working principle of the SMF4L20A can be broken down into a handful of steps. When the applied voltage is greater than the specified threshold, the TVS diode will begin conducting current. During this process a small part of the energy is absorbed by the diode, allowing it to reduce the overall voltage level. This reduces the stress on the system and helps to protect it from damage.The SMF4L20A is built with RoHS compliance, making it an environmentally friendly choice. Additionally, it is UL recognized for use in electrical hardware products and can handle pulses up to 8/20 microseconds in duration. This makes it an ideal choice for use in systems that are subject to high-speed transients.In conclusion, the SMF4L20A is a reliable and efficient protection component for systems exposed to voltage overshoots. Its low dynamic resistance, combined with its UL rating and RoHS compliance, make it suitable for a range of applications, from communications to industrial and automotive. Additionally, the SMF4L20A offers high-efficiency and effective surge and ESD protection, helping to protect against unexpected shutdowns or damage.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description