Skip to main content

We use cookies to understand how you use our site and improve your experience. See our Privacy Policy.

BLM18EG121SN1

Chip Ferrite Beads

The BLM18EG121SN1 is a chip ferrite beads from Murata. View the full BLM18EG121SN1 datasheet below including key specifications.

BLM18EG121SN1 shares its datasheet with BLM18EG221TN1, whose page lists every part number it covers.

Official BLM18EG121SN1 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Murata

Category

Chip Ferrite Beads

BLM18EG121SN1 Key Specifications

ParameterValue
BLM18EG101TN1Impedance 100Ω ± 25% (at 100MHz), 140Ω (Typ.) (at 1GHz), Rated Current 2000mA, DC Resistance 0.045Ω (max.)
BLM18EG121SN1Impedance 120Ω ± 25% (at 100MHz), 145Ω (Typ.) (at 1GHz), Rated Current 2000mA, DC Resistance 0.04Ω (max.)
BLM18EG221SN1Impedance 220Ω ± 25% (at 100MHz), 260Ω (Typ.) (at 1GHz), Rated Current 2000mA, DC Resistance 0.05Ω (max.)
BLM18EG221TN1Impedance 220Ω ± 25% (at 100MHz), 300Ω (Typ.) (at 1GHz), Rated Current 1000mA, DC Resistance 0.15Ω (max.)
BLM18EG331TN1Impedance 330Ω ± 25% (at 100MHz), 450Ω (Typ.) (at 1GHz), Rated Current 500mA, DC Resistance 0.21Ω (max.)
BLM18EG601SN1Impedance 600Ω ± 25% (at 100MHz), 700Ω (Typ.) (at 1GHz), Rated Current 500mA, DC Resistance 0.35Ω (max.)

BLM18EG121SN1 Overview

Part: BLM18E Series — Murata Manufacturing co., ltd.

Type: Chip Ferrite Beads

Description: Chip ferrite beads (0603 size) designed for GHz noise suppression, offering impedance values from 100Ω to 600Ω at 100MHz and rated currents up to 2000mA.

Operating Conditions:

  • Supply voltage: not applicable
  • Operating temperature: -55 °C to +125 °C
  • Impedance measured at 100MHz and 1GHz

Absolute Maximum Ratings:

  • Max supply voltage: not applicable
  • Max continuous current: 2000 mA
  • Max junction/storage temperature: 125 °C

Key Specs:

  • BLM18EG101TN1: Impedance 100Ω ± 25% (at 100MHz), 140Ω (Typ.) (at 1GHz), Rated Current 2000mA, DC Resistance 0.045Ω (max.)
  • BLM18EG121SN1: Impedance 120Ω ± 25% (at 100MHz), 145Ω (Typ.) (at 1GHz), Rated Current 2000mA, DC Resistance 0.04Ω (max.)
  • BLM18EG221SN1: Impedance 220Ω ± 25% (at 100MHz), 260Ω (Typ.) (at 1GHz), Rated Current 2000mA, DC Resistance 0.05Ω (max.)
  • BLM18EG221TN1: Impedance 220Ω ± 25% (at 100MHz), 300Ω (Typ.) (at 1GHz), Rated Current 1000mA, DC Resistance 0.15Ω (max.)
  • BLM18EG331TN1: Impedance 330Ω ± 25% (at 100MHz), 450Ω (Typ.) (at 1GHz), Rated Current 500mA, DC Resistance 0.21Ω (max.)
  • BLM18EG601SN1: Impedance 600Ω ± 25% (at 100MHz), 700Ω (Typ.) (at 1GHz), Rated Current 500mA, DC Resistance 0.35Ω (max.)

Features:

  • Designed for GHz noise suppression
  • 0603 size
  • Single circuit

Applications:

  • General Electronics equipment

Package:

  • 0603 Size
  • 180mm Paper Tape
  • 330mm Paper Tape
  • Bulk (Bag)

More datasheets

All Murata datasheets (131)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Ask your AI agent about the BLM18EG121SN1

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp

Then ask: "Can the BLM18EG121SN1 run from my 12 V rail? Check it against the datasheet limits."

Create a free account $2 of usage every month, no card needed.