FN351-25-33

Series:	FN 351
Part Status:	Active
Filter Type:	Three Phase (Delta)
Configuration:	Single Stage
Voltage - Rated DC:	--
Voltage - Rated AC:	--
Voltage - Rated AC (Phase to Ground/Neutral):	250V
Voltage - Rated AC (Phase to Phase):	440V
Current:	25A
Frequency - Operating:	DC ~ 60Hz
Applications:	Inverters, Power Drive Systems
Approvals:	CSA, ENEC, UR
Operating Temperature:	-25°C ~ 85°C
Mounting Type:	Chassis Mount
Termination Style:	Terminal Block
Inductance:	--

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FN351-25-33 application field and working principle

Power Line Filter Modules are widely used in switching power supplies, LED drivers and AC/DC power adapters, as well as other AC powered systems. The FN351-25-33 is a cost-effective series of widely used Power Line Filter Modules, which is used for EMI/RFI reduction, earth/ground current protection, and noise prevention in AC powered systems.

FN351-25-33 application field

The FN351-25-33 Power Line Filter Modules are designed to be used in various AC applications such as home appliances, fans, lighting fixtures, and air conditioners. This module is capable of withstanding a wide range of operating temperatures from -40°C to 105°C and a maximum rated working voltage up to 250VAC. It can also be used in power supplies, power transformers, and motor drives as an effective and cost-efficient noise filter.

FN351-25-33 working principle

The FN351-25-33 Power Line Filter Modules follows the principle of EMI/RFI common-mode protection and noise suppression. The module is comprised of an inductive element and two capacitors that work in combination to block radio frequency interference (RF noise) from the power line. The inductor and capacitors are designed in such a way that the module will provide wide dynamic frequency transfer characteristics required across a wide range of harmonic frequencies ranging from 10kHz to 100MHz.The combined inductor-capacitor filter is effective in reducing the current ripple and improving the signal integrity so that it can be used for high power applications such as dc-dc and ac-dc power supplies, motor drives, and other loads. The FN351-25-33 Power Line Filter Modules are also designed with an effective bypass selection that can decrease the total harmonic distortion (THD) of the system even further.

Conclusion

The FN351-25-33 Power Line Filter Modules are cost-effective and widely used solutions for EMI/RFI reduction, earth/ground current protection, noise prevention in AC powered systems. This module is designed to handle high power applications and can provide wide dynamic frequency transfer characteristics across a range of harmonic frequencies. This makes it an ideal solution for home appliances, fans, lighting fixtures, air conditioners, power supplies, and power transformers.

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