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744231091 The 744231091 is a common mode choke from Würth Elektronik, offering 90Ω impedance at 100MHz, 370mA rated current, and AEC-Q200 qualification. It comes in an 0805 surface mount package.
Mfr Part #:

744231091

Available from 5 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The 744231091 is a common mode choke from Würth Elektronik, offering 90Ω impedance at 100MHz, 370mA rated current, and AEC-Q200 qualification. It comes in an 0805 surface mount package.
✓ Total Stock: 4,072 pcs
$ Price Range: $0.75 - $1.13

744231091 Available from 5 distributors

✓ Authorised
✓ Non-Authorised
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.

744231091 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current Rating (Max)
DC Resistance (DCR)
DC Resistance (DCR) (Max)
Filter Type
Height (Max)
Impedance @ Frequency
Mounting Type
Number of Lines
Operating Temperature
Ratings
Voltage Rating
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744231091 Description

Short technical summary and product information.

The 744231091 is a common mode choke from Würth Elektronik's WE-CNSW series. It is designed for signal line filtering in automotive and general electronics applications. The component is qualified to AEC-Q200 Grade 1, suitable for harsh environments.

 

Electrical specifications include an inductance of 0.131 µH, impedance of 90 Ω ±25% at 100 MHz, and a rated current of 370 mA (max) with a temperature rise of 40 K. DC resistance is 0.3 Ω max. Insulation test voltage is 125 V AC, and rated voltage is 50 V.

 

The component is housed in a 0805 (2012 metric) surface mount package with horizontal 4-pin pads. Operating temperature range is -40°C to 125°C, with ambient temperature for rated current from -40°C to 85°C. Storage conditions are below 40°C and 75% RH.

744231091 Quick Information

Product Type: Common Mode Choke
Series: WE-CNSW
Canonical Name: Common Mode Choke, 90Ω @ 100MHz, 370mA, 2-Line, AEC-Q200, Surface Mount
Subcategory: Common Mode Choke

744231091 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 75
REACH Status: REACH Unaffected

744231091 Estimated Pricing

Qty Low High
1+ $1.13 $1.13
10+ $1.07 $1.07
50+ $1.00 $1.00
100+ $0.95 $0.95
500+ $0.91 $0.91
1,000+ $0.75 $0.75
2,000+ $0.75 $0.75

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

744231091 Features

  • 90Ω impedance at 100 MHz for signal line filtering.
  • Rated current of 370 mA with low DCR of 0.3 Ω.
  • AEC-Q200 Grade 1 qualified for automotive use.
  • Surface mount 0805 package with 4-pad configuration.
  • Operating temperature range from -40°C to 125°C.

744231091 Applications

  • Ideal for EMI suppression in automotive electronics.
  • Used in engine control units and sensor interfaces.
  • Suitable for CAN bus and other differential signal lines.
  • Applicable in industrial control systems requiring robust filtering.

744231091 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the 744231091?

50 V nominal.

What is the package/case of the 744231091?

0805 (2012 Metric).

What is the operating temperature range?

-40°C to 125°C.

Is the 744231091 RoHS compliant?

Yes, compliant with 2011/65/EU and 2015/863.

What is the impedance of this common mode choke at 100 MHz?

90 Ω ±25%.

Is the 744231091 AEC-Q200 qualified?

Yes, AEC-Q200 Grade 1.

What is the rated current?

370 mA max (ΔT=40 K).

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