LQH32NH4R7J23L

Q @ Freq:	20 @ 1MHz
Height - Seated (Max):	0.087" (2.20mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Supplier Device Package:	1210
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Features:	--
Inductance Frequency - Test:	1MHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	AEC-Q200
Frequency - Self Resonant:	55MHz
Series:	LQH32
DC Resistance (DCR):	210 mOhm
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	420mA
Tolerance:	±5%
Inductance:	4.7µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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<p>Fixed Inductors are one of the most commonly used components in electronic circuits. LQH32NH4R7J23L is a specific type of fixed inductor. Its application field and working principle will be discussed in this article.</p><p>LQH32NH4R7J23L is a surface-mount fixed inductor produced by ROHM Semiconductor. It is a low-power, low-temperature drift external component. This specific type of inductor is designed for use on low-speed power supply circuits, especially in high-efficiency switching power supplies where tight coupling is desired. It features a coil form that is a large core plastic bobbin type, which provides superior insulation and high performance in applications such as switching power supplies.</p><p>Working principle of LQH32NH4R7J23L is based on Faraday’s law of induction. This basic principle states that when a conductor is placed in a varying magnetic field, a voltage will be induced across the conductor. This voltage can be used for either generating direct current (DC) or a sinusoidal current. The magnitude of the induced voltage is proportional to the rate of change of the magnetic field. When a core made of ferromagnetic material is placed in a varying magnetic field, an opposing field is created, resulting in an increase in inductance.</p><p>In terms of application fields, LQH32NH4R7J23L is used in low-speed power supply circuits, such as high-efficiency switching power supplies, DC-DC converters, and low-frequency converters where high performance is required. It is also suitable for use in voltage regulation circuits, uninterruptible power supplies, switching power supplies, and systems requiring high-dynamic response. Additionally, this type of inductor is also known for its operation at ambient temperatures up to 105°C and humidity up to 85%. This makes it ideal for use in outdoor applications as well.</p><p>In summary, LQH32NH4R7J23L is a specific type of fixed inductor that is designed for use on low-speed power supply circuits. Its working principle is based on Faraday’s law of induction, in which an induced voltage is generated when a conductor is placed in a varying magnetic field. It is suitable for use in high-efficiency switching power supplies, DC-DC converters, and low-frequency converters, and can endure operation in outdoor conditions.</p>

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