BLM21AG121SN1D Surface-mount ferrite bead with 120 Ω impedance at 100 MHz. Rated for 800 mA with 100 mΩ max DCR in an 0805 package.
Mfr Part #:

BLM21AG121SN1D

Available from 9 distributors
Mfr Name: Murata
Murata
Surface-mount ferrite bead with 120 Ω impedance at 100 MHz. Rated for 800 mA with 100 mΩ max DCR in an 0805 package.
Total Stock: 242,390 pcs
$ Price Range: $0.04 - $0.16

BLM21AG121SN1D Available from 9 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
140,000 pcs
140000 pcs On Request 1 On Request On Request 21+ On Request On Request
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90,000 pcs
90000 pcs On Request 1 805 On Request 12+ On Request On Request
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4,000 pcs
4000 pcs On Request 1 On Request On Request On Request On Request 2026-04-21 08:15:12
Non-Authorised Inventory information
4,000 pcs
4000 pcs On Request 1 On Request On Request 722 On Request On Request
Non-Authorised Inventory information
2,179 pcs
2179 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,359 pcs
1359 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
567 pcs
567 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
269 pcs
269 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
16 pcs
16 pcs On Request 1 On Request On Request On Request On Request On Request

BLM21AG121SN1D Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current Rating (Max)
DC Resistance (DCR) (Max)
Height (Max)
Impedance @ Frequency
Length
Mounting Type
Number of Lines
Operating Temperature
SVHC Present
Storage Temperature
Tape & Reel
Width

BLM21AG121SN1D Description

Short technical summary and product information.

BLM21AG121SN1D is a chip ferrite bead manufactured by Murata, part of the BLM21 series. It has a nominal impedance of 120 Ω at 100 MHz and is designed for single-line filtering applications. The device is supplied in an 0805 (2012 Metric) surface-mount package.

 

Electrical specifications include a maximum DC resistance of 100 mΩ and a maximum current rating of 800 mA. The operating temperature range spans from -55°C to 125°C. This ferrite bead is suitable for use in consumer equipment and industrial equipment as outlined in the reference specification.

 

The component is RoHS3 compliant and has an MSL rating of 1. The compact 0805 size and surface mount design are suitable for PCB assembly.

BLM21AG121SN1D Quick Information

Product Type: Ferrite Bead
Series: BLM21_N series
Canonical Name: Chip Ferrite Bead, 120 Ω, 1 Line, 0805
Subcategory: Chip Ferrite Bead

BLM21AG121SN1D Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BLM21AG121SN1D Estimated Pricing

Qty Low High
1+ $0.16 $0.16
10+ $0.11 $0.11
25+ $0.10 $0.10
50+ $0.09 $0.09
100+ $0.08 $0.08
250+ $0.07 $0.07
500+ $0.06 $0.06
1,000+ $0.05 $0.05
4,000+ $0.04 $0.04

Estimated market price range - modelled values for guidance only, not live distributor offers.

BLM21AG121SN1D Features

  • 120 Ω impedance at 100 MHz.
  • 800 mA maximum current rating.
  • 100 mΩ maximum DC resistance.
  • 0805 surface-mount package.
  • Operating range -55 to 125°C.

BLM21AG121SN1D Applications

  • For consumer equipment noise suppression.
  • For industrial equipment noise suppression.
  • For power equipment filtering applications.

BLM21AG121SN1D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range?

The operating temperature range is from -55°C to 125°C.

What is the package size of this ferrite bead?

The package is 0805 (2012 Metric).

Is the BLM21AG121SN1D RoHS compliant?

It is listed as RoHS3 compliant.

What is the impedance of this ferrite bead?

The nominal impedance is 120 Ω at 100 MHz.

What is the maximum DC resistance?

The maximum DC resistance is 100 mΩ.

What is the maximum current rating?

The maximum current rating is 800 mA.

What is the mounting type?

The mounting type is surface mount.

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