PL9120T

DC Resistance (DCR):	230 mOhm Max
Height - Seated (Max):	0.248" (6.30mm)
Size / Dimension:	0.413" L x 0.413" W (10.50mm x 10.50mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Features:	--
Operating Temperature:	-55°C ~ 130°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	PL91XX
Shielding:	Shielded
Current - Saturation:	1.4A
Current Rating:	1.4A
Tolerance:	±20%
Inductance:	100µH
Material - Core:	--
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The PL9120T is one of the most commonly used types of fixed inductors, an essential component in a wide variety of electronic systems. In order to understand its application fields and working principles, this article will discuss its features and applications in detail.
Fixed inductors, also called coils, are passive electronic components that store energy in the form of a magnetic field when an electrical current is passed through them. The current passes through a wire which is usually wrapped around a core material like a metal or ferrite. This induces a magnetic field which is then stored in the inductor. The components come in many forms and are designed to meet a variety of needs for a variety of electrical circuit applications, such as computers, communications, instrumentation, and consumer products.
The PL9120T is a type of surface mount fixed inductor that is characterized by its small size, low power loss, low noise, and high thermal resilience. It is also RoHS Compliant and AEC-Q200 compliant, which makes it suited for automotive and high reliability applications. This particular model has a inductance of 100uH and can take currents up to 1.5 A, with an approximate operational temperature range of -55°C~ 125°C. The operating frequency range for this device is 0 Hz to 200 kHz and its DC resistance value is 0.47 Ohms.
The PL9120T is most commonly used in switching power supplies, adaptors (for laptop and desktop computers), laptop, tablet and mobile phone chargers, solar inverter systems, and energy harvesting systems. It is also used in LED lighting systems, digital audio amplifiers, DC-DC converters, and automotive powertrain systems.
When an electrical current passes through the inductor, a magnetic field is generated by the current flowing through the coil. This magnetic field creates a force that opposes the change in current. This phenomenon, known as inductance, is the basic working principle of a fixed inductor. This property helps to reduce noise, stabilize the power supply, and provide protection from over-current or over-voltage.
The PL9120T is just one of many types of fixed inductors available. It is an excellent choice for a variety of applications across a wide range of fields due to its small size, low power loss, and high performance. It is RoHS Compliant and AEC-Q200 compliant, making it well-suited for automotive applications, energy harvesting systems, and other high reliability applications. Its working principle is based on the property of inductance which reduces noise, stabilizes the power supply, and provides protection from over-current and over-voltage.

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