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DLW21SN121SQ2L Surface mount common mode choke from Murata with 120 Ω impedance at 100 MHz, 370mA current rating, and 50V voltage rating.
Mfr Part #:

DLW21SN121SQ2L

Available from 2 distributors
Mfr Name: Murata
Murata
Surface mount common mode choke from Murata with 120 Ω impedance at 100 MHz, 370mA current rating, and 50V voltage rating.
✓ Total Stock: 22,000 pcs
$ Price Range: $0.21 - $0.43

DLW21SN121SQ2L Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
20,000 pcs
On Request
20000 pcs On Request 1 On Request On Request 20+ On Request On Request
Chanetech ✓
Non-Authorised Inventory information
2,000 pcs
On Request
2000 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.

DLW21SN121SQ2L Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current Rating
Current Rating (Max)
DC Resistance (DCR)
DC Resistance (DCR) (Max)
Filter Type
Height (Max)
Impedance @ Frequency
Mounting Type
Number of Lines
Operating Temperature
Voltage Rating
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DLW21SN121SQ2L Description

Short technical summary and product information.

The Murata DLW21SN121SQ2L is a surface mount common mode choke coil designed for signal line noise suppression. It offers a common mode impedance of 120 Ω at 100 MHz with a tolerance of ±25%. The component is rated for a maximum DC current of 370mA and has a maximum DC resistance of 300 mOhm, ensuring efficient filtering with minimal power loss.

 

The choke operates over a temperature range of -40°C to 85°C and is rated for a voltage of 50V DC. It comes in a compact horizontal package with 4 PC pads, measuring 2.00mm x 1.20mm x 1.40mm. The surface mount design makes it suitable for automated assembly in space-constrained applications.

 

Typical applications include common mode noise filtering in DC power lines, signal lines, and EMI suppression in consumer electronics, automotive systems, and industrial equipment. The component is supplied in tape and reel packaging for high-volume production.

DLW21SN121SQ2L Quick Information

Product Type: Common Mode Choke
Series: DLW21SN
Canonical Name: Murata DLW21SN121SQ2L Common Mode Choke Coil
Subcategory: Signal Line

DLW21SN121SQ2L Compliance

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

DLW21SN121SQ2L Estimated Pricing

Qty Low High
1+ $0.43 $0.43
10+ $0.35 $0.35
25+ $0.31 $0.31
100+ $0.29 $0.29
250+ $0.27 $0.27
500+ $0.25 $0.25
1,000+ $0.23 $0.23
2,000+ $0.21 $0.21
4,000+ $0.21 $0.21

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

DLW21SN121SQ2L Features

  • 120 Ω common mode impedance at 100 MHz.
  • Maximum DC resistance of 300 mOhm.
  • Rated for 370mA maximum current.
  • Surface mount package with 4 PC pads.
  • Operating temperature range -40°C to 85°C.

DLW21SN121SQ2L Applications

  • Common mode noise filtering in signal lines.
  • DC power line noise suppression.
  • EMI filtering in electronic devices.
  • Suitable for automotive electronics.

DLW21SN121SQ2L FAQs

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

50V DC.

What is the package type?

Horizontal, 4 PC Pad surface mount package.

What is the operating temperature range?

-40°C to 85°C.

Is this component RoHS compliant?

The RoHS status is listed as RoHS3 Compliant, but this is unverified.

What is the common mode impedance?

120 Ω at 100 MHz.

What is the rated current?

370mA maximum.

What is the DC resistance?

300 mOhm maximum.

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