Used product. EPCOS (TDK) SIFI-H series mains interference filter, model B84113H0000B030, designed for EMI/EMC filtering applications on single-phase power supplies.
It is a two-line mains filter, developed to provide high attenuation of conducted electromagnetic interference. Its construction incorporates filtering inductors and capacitors inside a compact metal enclosure.

📋 Official Technical Data

• Manufacturer: EPCOS / TDK

• Series: B84113H – SIFI-H

• Model code: B84113H0000B030

• Type: Single-phase, two-line EMI/EMC filter

• Rated voltage: 250 V AC/DC

• Rated current: 3 A

• Frequency: 50/60 Hz

• Rated temperature indicated on the label: TR = 40 °C

• Climatic category: 25/100/21

• Inductors: 4 × 5.9 mH

• X2 capacitors: 2 × 1 µF

• Y2 capacitors: 2 × 4.7 nF

• Discharge resistor: 340 kΩ

🔧 Main Functions

• Attenuation of conducted electromagnetic interference on the power supply line.

• Filtering of EMI interference entering and leaving connected equipment.

• Improved electromagnetic compatibility (EMC) of connected devices.

• Two-stage filtering configuration.

🔌 Connections and Components

• Power input marked LINE.

• Output to equipment marked LOAD.

• Connections for live (L/L'), neutral (N/N') and protective earth (PE).

• Metal blade terminals.

• Internal circuit with X2 and Y2 class inductors and capacitors.

🧱 Materials and Construction Features

• Shielded metal enclosure.

• Compact design for chassis mounting.

• Internal polyurethane encapsulation, as specified in the series documentation.

• Designed for applications requiring high levels of interference attenuation.

🏭 Applications

According to official EPCOS/TDK documentation, this series is intended for:

• Switching power supplies.

• Industrial electronics.

• Telecommunications systems.

• Data processing systems.

• DC applications.

📦 Product Condition

Used component, with cosmetic marks and signs of wear on the metal enclosure. The rated specifications listed above are taken from the label and the manufacturer's technical documentation. Operation has not been declared as tested.

🛒 Sale Includes

• 1 × EPCOS SIFI-H B84113H0000B030 mains filter.

Summary

EPCOS SIFI-H B84113H0000B030 mains filter, single-phase, 250 V AC/DC, 3 A, 50/60 Hz, featuring two-stage EMI/EMC filtering, a metal enclosure and LINE/LOAD connections.