BLM18KG121TH1D Murata BLM18KG121TH1D is a 120 Ohm ferrite bead in a 0603 package, rated for 3A at 85°C. It is AEC-Q200 qualified for automotive applications.
Mfr Part #:

BLM18KG121TH1D

Available from 3 distributors
Mfr Name: Murata
Murata
Murata BLM18KG121TH1D is a 120 Ohm ferrite bead in a 0603 package, rated for 3A at 85°C. It is AEC-Q200 qualified for automotive applications.
✓ Total Stock: 5,711 pcs
$ Price Range: $0.02 - $0.10

BLM18KG121TH1D Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,873 pcs
3873 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,740 pcs
1740 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
98 pcs
98 pcs On Request 1 On Request On Request 2223 On Request On Request

BLM18KG121TH1D Specifications Quick View

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

BLM18KG121TH1D Description

Short technical summary and product information.

The Murata BLM18KG121TH1D is a chip ferrite bead designed for power line filtering in automotive electronics. It provides 120 Ohm impedance at 100 MHz with a tolerance of ±25%, effectively suppressing high-frequency noise.

 

This component is rated for a maximum DC current of 3A at 85°C ambient and 1.9A at 125°C, with a low DC resistance of 30 mOhm. It operates over a temperature range of -55°C to +125°C, making it suitable for demanding environments.

 

The ferrite bead comes in a compact 0603 (1608 metric) surface-mount package, measuring 1.60mm x 0.80mm with a maximum height of 0.75mm. It is AEC-Q200 qualified, ensuring reliability for automotive applications.

 

With a single line configuration, this ferrite bead is ideal for filtering power supply lines in engine control units, infotainment systems, and other automotive electronics.

BLM18KG121TH1D Quick Information

Product Type: Ferrite Bead
Series: BLM18KG
Canonical Name: Ferrite Bead, 120 Ohm at 100 MHz, 0603, 1 Line, AEC-Q200
Subcategory: Chip Ferrite Bead

BLM18KG121TH1D Compliance

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

BLM18KG121TH1D Estimated Pricing

Qty Low High
1+ $0.10 $0.10
10+ $0.07 $0.07
25+ $0.05 $0.05
100+ $0.05 $0.05
250+ $0.04 $0.04
500+ $0.04 $0.04
1,000+ $0.03 $0.03
4,000+ $0.02 $0.02
8,000+ $0.02 $0.02

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

BLM18KG121TH1D Features

  • 120 Ohm impedance at 100 MHz.
  • Rated for 3A at 85°C.
  • Low 30 mOhm DC resistance.
  • AEC-Q200 qualified for automotive.
  • Compact 0603 surface-mount package.

BLM18KG121TH1D Applications

  • Power line noise filtering in automotive.
  • Used in engine control modules.
  • Suitable for infotainment systems.
  • Ideal for DC power supply lines.

BLM18KG121TH1D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the impedance of the BLM18KG121TH1D?

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

What is the operating temperature range?

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

Is the BLM18KG121TH1D RoHS compliant?

The part is marked as RoHS3 compliant, but this is unverified.

What is the package size?

The package is 0603 (1608 metric), measuring 1.60mm x 0.80mm with a maximum height of 0.75mm.

What is the maximum DC resistance?

The maximum DC resistance is 30 mOhm.

What is the current rating at 85°C?

The maximum current rating is 3A at 85°C ambient temperature.

Is this component AEC-Q200 qualified?

Yes, the BLM18KG121TH1D is rated AEC-Q200 for automotive applications.

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