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BLM03AX121SN1D Murata BLM03AX121SN1D is a chip ferrite bead with 120Ω impedance at 100MHz, rated current 450mA, and DC resistance 230mOhm. Housed in an 0201 (0603 metric) surface-mount package.
Mfr Part #:

BLM03AX121SN1D

Available from 3 distributors
Mfr Name: Murata
Murata
Murata BLM03AX121SN1D is a chip ferrite bead with 120Ω impedance at 100MHz, rated current 450mA, and DC resistance 230mOhm. Housed in an 0201 (0603 metric) surface-mount package.
✓ Total Stock: 48,917 pcs
$ Price Range: $0.01 - $0.10

BLM03AX121SN1D Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
31,207 pcs
On Request
31207 pcs On Request 1 On Request On Request 16+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
2,710 pcs
On Request
2710 pcs On Request 1 On Request On Request 12+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BLM03AX121SN1D 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
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BLM03AX121SN1D Description

Short technical summary and product information.

The Murata BLM03AX121SN1D is a chip ferrite bead designed for general electronic equipment. It offers a nominal impedance of 120Ω at 100MHz with a tolerance of ±25%. The component is rated for a maximum current of 450mA at an ambient temperature of 85°C and has a maximum DC resistance of 230mOhm initially, increasing to 280mOhm after testing.

 

This ferrite bead operates over a temperature range of -55°C to +125°C, making it suitable for a wide variety of environments. It is a single-line device packaged in a compact 0201 (0603 metric) surface-mount package with dimensions of 0.60mm x 0.30mm and a maximum height of 0.33mm.

 

The BLM03AX121SN1D is part of Murata's BLM03_SN series and is intended for general-purpose noise suppression in signal lines and power lines where moderate current handling is required.

BLM03AX121SN1D Quick Information

Product Type: Chip Ferrite Bead
Series: BLM03AX
Canonical Name: Murata BLM03AX121SN1D Chip Ferrite Bead, 120Ω at 100MHz, 0201 Package
Subcategory: Chip Ferrite Bead

BLM03AX121SN1D Compliance

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

BLM03AX121SN1D Estimated Pricing

Qty Low High
1+ $0.10 $0.10
10+ $0.02 $0.02
25+ $0.02 $0.02
100+ $0.02 $0.02
250+ $0.01 $0.01
500+ $0.01 $0.01
1,000+ $0.01 $0.01
5,000+ $0.01 $0.01
10,000+ $0.01 $0.01
15,000+ $0.01 $0.01

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

BLM03AX121SN1D Features

  • 120Ω impedance at 100MHz with ±25% tolerance.
  • Rated current 450mA at 85°C ambient temperature.
  • Low DC resistance of 230mOhm maximum initial.
  • Compact 0201 surface-mount package (0603 metric).
  • Operating temperature range -55°C to +125°C.

BLM03AX121SN1D Applications

  • Noise suppression in general electronic equipment.
  • Filtering on signal and low-power lines.
  • EMI attenuation in compact circuit designs.
  • Used in portable and space-constrained devices.

BLM03AX121SN1D FAQs

5 frequently asked questions generated from this part’s specifications.
What is the impedance of the BLM03AX121SN1D at 100 MHz?

The nominal impedance is 120Ω at 100 MHz, with a tolerance of ±25%.

What is the rated current of this ferrite bead?

The maximum rated current is 450 mA at an ambient temperature of 85°C.

What is the operating temperature range?

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

What package does the BLM03AX121SN1D come in?

It is housed in an 0201 (0603 metric) surface-mount package.

What is the DC resistance of this part?

The maximum DC resistance is 230 mOhm initially and 280 mOhm after testing.

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