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BLM31KN121SH1L AEC-Q200 qualified chip ferrite bead from Murata, offering 120 Ω impedance at 100 MHz, 6 A current rating, and 9 mΩ DCR in a 1206 package.
Mfr Part #:

BLM31KN121SH1L

Available from 1 distributors
Mfr Name: Murata
Murata
AEC-Q200 qualified chip ferrite bead from Murata, offering 120 Ω impedance at 100 MHz, 6 A current rating, and 9 mΩ DCR in a 1206 package.
✓ Total Stock: 5,892 pcs
$ Price Range: $0.12 - $0.45

BLM31KN121SH1L Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Braun Electronic Components ✓
Non-Authorised Inventory information
5,892 pcs
On Request
5892 pcs On Request 1 On Request On Request On Request 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.

BLM31KN121SH1L Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current Rating (Max)
DC Resistance (DCR) (Max)
Filter Type
Height (Max)
Impedance @ Frequency
Industrial Grade
Length
Medical Grade
Military Grade
Mounting Type
Number of Lines
Operating Temperature
Ratings
SVHC Present
Storage Temperature
Tape & Reel
Width
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BLM31KN121SH1L Description

Short technical summary and product information.

The Murata BLM31KN121SH1L is a chip ferrite bead designed for automotive applications, qualified to AEC-Q200. It provides a nominal impedance of 120 Ω at 100 MHz with a tolerance of ±25%. This ferrite bead is rated for a continuous current of 6 A at 85°C and 4 A at 125°C, with derating applied at higher temperatures. The DC resistance is 9 mΩ maximum initially and 11 mΩ maximum after AEC-Q200 testing.

 

This component is housed in a standard 1206 (3216 Metric) surface-mount package with dimensions of 3.2 mm x 1.6 mm and a maximum height of 1.8 mm. It operates over a temperature range of -55°C to +125°C and is suitable for power line filtering in automotive electronics. The ferrite bead is supplied in tape and reel packaging for automated assembly. It has an ESD rating of 6 (25 kV) per AEC-Q200.

BLM31KN121SH1L Quick Information

Product Type: Ferrite Bead
Series: BLM31KN_SH
Canonical Name: Murata BLM31KN121SH1L Ferrite Bead, 120 Ω, 6 A, 1206 (3216 Metric), AEC-Q200
Subcategory: Power Line Ferrite Bead

BLM31KN121SH1L Compliance

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

BLM31KN121SH1L Estimated Pricing

Qty Low High
1+ $0.45 $0.45
10+ $0.32 $0.32
25+ $0.27 $0.27
50+ $0.25 $0.25
100+ $0.21 $0.21
250+ $0.18 $0.18
500+ $0.16 $0.16
1,000+ $0.12 $0.12
2,500+ $0.12 $0.12
5,000+ $0.12 $0.12

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

BLM31KN121SH1L Features

  • AEC-Q200 qualified for automotive use.
  • 120 Ω impedance at 100 MHz.
  • 6 A rated current at 85°C.
  • Low 9 mΩ DC resistance.
  • 1206 SMD package, tape and reel.

BLM31KN121SH1L Applications

  • Ideal for automotive power line filtering.
  • Used in engine control modules and sensors.
  • Suppresses high-frequency noise in DC lines.
  • Suitable for high-current applications.

BLM31KN121SH1L FAQs

7 frequently asked questions generated from this part’s specifications.
What is the impedance of BLM31KN121SH1L?

120 Ω ±25% at 100 MHz.

What is the current rating?

6 A at 85°C and 4 A at 125°C.

What is the package size?

1206 (3216 Metric) surface-mount package.

What is the operating temperature range?

-55°C to +125°C.

Is this component AEC-Q200 qualified?

Yes, it is AEC-Q200 qualified for automotive electronics.

What is the DC resistance?

9 mΩ max initial, 11 mΩ max after AEC-Q200 testing.

Is it RoHS compliant?

Listed as RoHS3 compliant, but this is unverified and should be confirmed from the manufacturer.

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