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TDK 27 mH Ferrite Power Line Choke Max SRF 10 kHz 700 mA IDC 1 Ω RDC 250V AC B82731H2701A030

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TDK 27 mH Ferrite Power Line Choke Max SRF 10 kHz 700 mA IDC 1 Ω RDC 250V AC B82731H2701A030

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Category Inductors Brand TDK Condition New

Specifications

Country of Origin	Hungary
Brand	TDK
Height	15.5mm
Length	21mm
Model	B82731H2701A030
Depth	20mm
Packaging	Box
Mount Type	Radial
Series	B82731H
Maximum Operating Temperature	125°C
Minimum Operating Temperature	-40°C
Test Frequency	10kHz
Core Material	Ferrite
Maximum Voltage	250V ac
Inductance	27mH
Standards/Approvals	EN, ENEC, UL, IEC, VDE, RoHS
Maximum DC Current	700mA
Maximum DC Resistance	1Ω
Inductance Tolerance	-30 to 50 %
Termination Style	PC Pin
Maximum Self Resonant Frequency	10kHz
Lead Pitch	12.5mm
Lead Diameter	0.6mm

Key Features

Maximum DC current rating is 700 mA, suitable for low current filtering.
Radial mount type with PC pin termination ensures reliable PCB mounting.
Constructed with ferrite core for high resonance frequency and low leakage.
Maximum DC resistance is 1 Ω, supporting voltage up to 250 V AC.
Operating temperature ranges from -40°C to 125°C for industrial environments.
Lead diameter is 0.6 mm and lead pitch 12.5 mm for compact design.
Compliance with EN, ENEC, UL, IEC, VDE, and RoHS standards ensures quality and safety.
Ideal for suppression of common-mode interferences in switch-mode power supplies and electronic ballasts.

Product Description

TDK B82731H2701A030 is a 27 mH ferrite power line choke designed for effective suppression of common-mode interferences in compact switch-mode power applications and electronic ballasts. This leaded inductor features a closed rectangular ferrite core with a two-section winding to achieve high resonance frequency and low leakage inductance, resulting in approximately 1% stray inductance for symmetrical interference suppression.

Its radial mount configuration with PC pin termination style facilitates easy and reliable PCB mounting, while the closed polycarbonate coil former (UL 94 V-0) is designed without encapsulation maintaining clearance and creepage distances of at least 3 mm to meet electrical safety standards.

The choke operates at a maximum DC current of 700 mA and withstands a maximum DC resistance of 1 Ω. It supports an AC voltage up to 250 V with a max self-resonant frequency of 10 kHz. The device is built to operate within a temperature range of -40°C to 125°C, suitable for various industrial environments.

Physical dimensions are compact with 21 mm length, 20 mm depth, and 15.5 mm height, with leads of 0.6 mm diameter and 12.5 mm pitch to accommodate denser PCB layouts.

This product complies with international standards including EN, ENEC, UL, IEC, VDE, and RoHS, ensuring high reliability and safety for industrial and commercial electronics use cases.

Maximum DC current rating of 700 mA for reliable current handling. Closed ferrite core structure reduces electromagnetic interference effectively. Low leakage inductance and high pulse strength for stable performance. Compliance with RoHS and multiple international safety standards.

Suitable for wave soldering processes ensuring manufacturing versatility. Designed for suppression of common-mode interferences in switch-mode power supplies. Compact form factor ideal for electronic ballast applications in lamps.

High resonance frequency and low whirring noise enhance operational quality.

This TDK ferrite power line choke is commonly used in industrial electronics, manufacturing, commercial power supplies, and HVAC systems requiring effective EMI filtering and interference control. Browse related Inductors and passive components on EnvMart for complementary parts and accessories.