SPD127-332M

DC Resistance (DCR):	18 mOhm Max
Height - Seated (Max):	0.315" (8.00mm)
Size / Dimension:	0.472" L x 0.472" W (12.00mm x 12.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SPD127
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	7.5A
Tolerance:	±20%
Inductance:	3.3µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors play an critical role in the field of electrical engineering and technology. The SPD127-332M fixed inductor is a commonly used component in a variety of applications. This article will discuss its application fields and working principle. The SPD127-332M is a type of vertical-mount, single-layer, unshielded wire wound inductor. It is designed to provide a specialized inductance for power supply applications, such as DC-DC converters, and other similar function modules. This inductor is rated for an inductance of 0.332uH with a current rating up to 2.6 Amps. It has an operating temperature range of -20 degrees Celsius to +85 degrees Celsius and a storage temperature range of -40 degrees Celsius to +105 degrees Celsius.The SPD127-332M fixed inductor is most commonly used in DC-DC converter and voltage regulator applications, such as computer motherboards, automotive electronics, LED backlighting, and industrial equipment. It is also used in RF circuits, RF filters, high-frequency circuits, and pulse transformer applications. The inductor is most often found in devices such as notebook computers, smartphones, PDAs, tablets, TVs, and automobiles.The working principle behind the SPD127-332M fixed inductor is based on the principle of electromagnetic induction. Electromagnetic induction is a phenomenon whereby a changing magnetic field induces a voltage in a nearby conductor. In the case of a fixed inductor, an alternating magnetic field is generated when an alternating current is applied to the winding of the inductor. This alternating magnetic field induces a counter emf, also known as a back emf, which opposes the applied voltage in the inductor. This creates a current-limiting property, as the back emf increases in proportion to the current in the inductor. The inductance of the inductor further limits the current by providing a desired loading to the system. The SPD127-332M fixed inductor offers a variety of advantages for users. It can provide a current-limiting effect, as well as reduced power losses due to the back emf effect. In addition, the high level of inductance produced by this type of inductor allows it to be used in high-frequency applications, allowing users to benefit from high-speed systems. The SPD127-332M also offers high temperature stability, allowing it to be used in high-temperature environments.Overall, the SPD127-332M fixed inductor is a highly versatile and reliable component for a variety of power supply applications. Its small size and high operating temperature range make it suitable for use in a wide range of applications, while its extremely high inductance values and current-limiting properties make it particularly useful for high-frequency applications. Additionally, its robust design ensures that it can withstand extreme temperatures and provide reliable performance in a variety of industrial and consumer applications.

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