BLM18KG471SN1D

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BLM18KG471SN1D

FERRITE BEAD 470 OHM 0603 1LN

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規格

Series EMIFIL®, BLM18
Part Status Active
Base Product Number BLM18KG
Filter Type Power Line
Number of Lines 1
Impedance @ Frequency 470 Ohms @ 100 MHz
Current Rating (Max) 1.5A
DC Resistance (DCR) (Max) 130mOhm
Operating Temperature -55°C ~ 125°C
Package 0603 (1608 Metric)
Mounting Type Surface Mount
Height (Max) 0.037" (0.95mm)
Size / Dimension 0.063" L x 0.031" W (1.60mm x 0.80mm)
Packaging Cut Tape (CT), Tape & Reel (TR)

概述

Description

BLM18KG471SN1D is a Murata ferrite bead in the BLM18K series, used for EMI/RFI suppression. The “471” code means about 470 Ω impedance at 100 MHz (a high-frequency filter). The suffix “SN1D” relates to the manufacturing/finish and packaging details (lead-free Sn finish per Murata’s catalog). It is a surface-mount device with very low DC resistance, so it adds minimal voltage drop while attenuating high-frequency noise.
Typical use: place in series with power rails or signal lines to reduce high-frequency noise without significantly affecting low-frequency operation. Applications include consumer electronics, computers, mobile devices, and automotive electronics.
Notes: for exact dimensions, thermal characteristics, current rating, and detailed impedance vs frequency curves, refer to the Murata BLM18KG471SN1D datasheet.

Features

Key features of BLM18KG471SN1D (Murata):
- Ferrite bead EMI filter in the BLM18 series
- Package: 1812 (SMD) footprint
- Impedance: 470 Ω at 100 MHz (code 471)
- Very low DC resistance for minimal voltage drop
- Suitable for suppressing high-frequency noise on power and signal lines
- Temperature range: typically -55°C to +125°C
- RoHS compliant, lead-free, halogen-free; reflow solderable
- Tape-and-reel packaging for automated assembly

Package

An SMD ferrite bead in the 1812 package (Murata BLM18K series), about 4.5 × 3.2 mm.

Pinout

Pin count: 2 terminals (2-pin).
Function: SMD ferrite bead EMI filter for a single line (noise suppression), with about 470 Ω impedance at 100 MHz.

Manufacturer

Manufacturer: Murata Manufacturing Co., Ltd.
What kind of company: Japanese multinational electronics components company, a leading producer of passive components (ferrite beads, capacitors, inductors, filters) and sensors.

Application

BLM18KG471SN1D is a ferrite-bead EMI suppressor (impedance about 470 Ω at 100 MHz) in the BLM18 package. It filters high-frequency noise on power rails and data lines to improve EMC. Common applications include consumer electronics (smartphones, tablets, laptops, TVs), PCs and peripherals, USB/HDMI/data cables, networking gear, and automotive electronics.

Equivalent

BLM18KG471SN1D is a Murata ferrite bead (about 470 Ω at 100 MHz) in a 0603/1608 package. Equivalents from other vendors with the same footprint and impedance include: TDK ZCAT series (≈470 Ω @100 MHz), Wurth WE-FB/WE-CBF family (≈471 impedance), Coilcraft 0603 ferrite beads (471), and Taiyo Yuden BMB/BFB 471 series. For an exact cross, check each vendor’s cross-reference tool using the impedance and package.

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