SRR4818A-180M SRR4818A-180M is an 18 µH shielded drum core wirewound inductor from Bourns, rated for 1.4 A with 280 mOhm max DCR. AEC-Q200 qualified for automotive applications.
Mfr Part #:

SRR4818A-180M

Available from 1 distributors
Mfr Name: Bourns
Bourns
SRR4818A-180M is an 18 µH shielded drum core wirewound inductor from Bourns, rated for 1.4 A with 280 mOhm max DCR. AEC-Q200 qualified for automotive applications.
Total Stock: 787 pcs
$ Price Range: $0.18

SRR4818A-180M Available from 1 distributor

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SRR4818A-180M Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Current Rating (Amps)
DC Resistance (DCR)
DC Resistance (Maximum @ Maximum)
Frequency
Halogen Free
Height
Inductance
Length
Material
Mounting Type
Operating Temperature
Prop 65
Rated Current (Typical @ Temperature Rise 20 °C)
Ratings
Reel Size
SVHC Present
Shielding
Standard Package Quantity
Storage Temperature
Tape & Reel
Temperature Rise (Typical @ At rated Irms 1)
Temperature Rise (Typical @ At rated Irms 2)
Terminal Finish
Termination Style
Tolerance
Type
Width

SRR4818A-180M Description

Short technical summary and product information.

The SRR4818A-180M is a shielded power inductor from Bourns, part of the SRR4818A series. It features a drum core wirewound construction with ferrite core and tin-plated terminals. The inductor offers an inductance of 18 µH with ±20% tolerance, a typical self-resonant frequency of 28 MHz, and maximum DC resistance of 280 mOhm. It is rated for a continuous current of 1.4 A (temperature rise 40°C) and has a saturation current of 790 mA. The component is AEC-Q200 qualified, making it suitable for automotive electronics.

 

The inductor is surface-mountable in a nonstandard package measuring 4.80 mm x 4.80 mm x 2.00 mm. It is supplied tape and reel, 800 pieces per 7-inch reel. Operating temperature range is -40°C to +150°C. The component is RoHS compliant, halogen free, and has MSL Level 1 (unlimited). Designers can use it for DC-DC converters, power supply filtering, and electromagnetic interference suppression in harsh environments.

SRR4818A-180M Quick Information

Product Type: Shielded Power Inductor
Series: SRR4818A
Canonical Name: Fixed Inductor, Shielded Drum Core Wirewound, 18 µH, ±20%, 1.4 A, 280 mOhm DCR, AEC-Q200
Subcategory: Shielded Power Inductors

SRR4818A-180M Compliance

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

SRR4818A-180M Estimated Pricing

Qty Low High
1+ $0.18 $0.18

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

SRR4818A-180M Features

  • Shielded ferrite core wirewound inductor.
  • Inductance of 18 µH with ±20% tolerance.
  • AEC-Q200 qualified for automotive use.
  • Rated current up to 1.4 A at 40°C rise.
  • Low profile 4.80 mm x 4.80 mm package.

SRR4818A-180M Applications

  • Used in automotive power supply circuits
  • Ideal for DC-DC converter applications
  • Suitable for EMI noise suppression in electronics
  • Designed for high-temperature environments up to 150°C
  • Applied in surface-mount power inductor circuits

SRR4818A-180M FAQs

8 frequently asked questions generated from this part’s specifications.
What is the inductance and tolerance of SRR4818A-180M?

The inductance is 18 µH with ±20% tolerance.

What is the current rating of this inductor?

It has two current ratings: 1.10 A at 20°C temperature rise and 1.40 A at 40°C temperature rise. Saturation current is 790 mA.

What is the DC resistance?

Typical DC resistance is 214.8 mOhm, maximum is 280 mOhm.

What is the self-resonant frequency?

The self-resonant frequency is 28 MHz typical.

Is SRR4818A-180M AEC-Q200 qualified?

Yes, it is AEC-Q200 qualified, suitable for automotive applications.

What is the operating temperature range?

Operating temperature range is -40°C to +150°C (including temperature rise).

Is this component RoHS compliant?

Yes, it is RoHS3 compliant and halogen free.

What is the package size and mounting type?

The inductor is surface mount in a nonstandard package measuring 4.80 mm x 4.80 mm x 2.00 mm.

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