SPD127-334M

DC Resistance (DCR):	620 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:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SPD127
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	1A
Tolerance:	±20%
Inductance:	330µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are passive components which are typically wound on a form to create a coil whose opposition to a change in current is a function of inductance. They are used in a wide variety of applications, from power supplies and filters to electronic switching circuits and driving motors, and are typically found in most electrical and electronic equipment. One such specific type of fixed inductor is the SPD127-334M.

SPD127-334M Application Fields

The SPD127-334M is a high-power, robust inductor with a rated current of 30A, saturation current of 40A, and inductance of 0.33mH. Its parts list includes terminals, a spool, and an inductive element. Due to its high power capability, the SPD127-334M is well-suited for many current-sensitive applications, such as DC-DC step-up converters, desktop and notebook computers, and automotive electronics. It also provides reliable performance under high temperatures and is highly resistant to external environmental influences, such as humidity and shock. Other application fields of interest for the SPD127-334M include:

• Motors and electric drives
• DC-AC inverters
• Switched-mode power supplies (SMPS)
• Energy-saving lamps
• Telecommunication equipment

SPD127-334M Working Principle

The working principle behind the SPD127-334M can be understood in terms of an electric current. When an electric current is applied through an inductor (i.e., the SPD127-334M), an electromagnetic field is created by that current. This field is proportional to the current flowing through the inductor, and the strength of this field is a function of the inductance of the inductor. With the SPD127-334M, the inductance is 0.33mH.In electrical and electronic equipment, fixed inductors are typically positioned within a circuit. Depending on the application in question, these inductors have to resist certain types of electrical interference and disruption, such as noise and short circuit protection. Through the use of a core material such as ferrite, the SPD127-334M is capable of successfully completing such tasks.In terms of impedance, the inductance of a fixed inductor can be adjusted by controlling the internal geometry and/or magnetic field strength through the addition of an external magnetic material. With the SPD127-334M, the inductance is predetermined at 0.33mH, and is thus ‘fixed’.

Conclusion

Due to its high power capability, robustness, and resistance to external influences, the SPD127-334M is well-suited for use in a wide variety of current-sensitive applications, such as DC-DC converters, desktop and notebook computers, automobile electronics, motors and electric drives, DC-AC inverters, switched-mode power supplies, energy-saving lamps, and telecommunication equipment. Its internal inductive element works in accordance with the electric current applied, leading to the creation of an electromagnetic field. Through the use of a core material, such as ferrite, the SPD127-334M is able to resist electric interference and disruption. It is a highly reliable and efficient component that can be used in a wide variety of applications.

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