OARS1-R003FI The Welwyn Components OARS1-R003FI is a surface mount current sense resistor with a resistance of 0.003 ohm and a 1% tolerance. It is AEC-Q200 qualified.
Mfr Part #:

OARS1-R003FI

Available from 1 distributors
Mfr Name: Welwyn Components
Welwyn Components
The Welwyn Components OARS1-R003FI is a surface mount current sense resistor with a resistance of 0.003 ohm and a 1% tolerance. It is AEC-Q200 qualified.
✓ Total Stock: 28 pcs
$ Price Range: $0.05

OARS1-R003FI Available from 1 distributor

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✓ Non-Authorised
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OARS1-R003FI Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Q200 Qualified
Height
Length
Mounting Type
Power Rating
Resistance
SVHC Present
Tape & Reel
Technology
Termination Style
Tolerance
Width

OARS1-R003FI Description

Short technical summary and product information.

The OARS1-R003FI from Welwyn Components is a surface mount current sense resistor designed for accurate current monitoring applications. It features a low resistance value of 0.003 ohms with a tight tolerance of 1%, ensuring precise measurements.

 

This resistor has a power rating of 2W and a temperature coefficient of ±20 ppm/°C, providing stable performance across a range of operating temperatures from -55°C to +160°C. The open air design helps reduce PCB heating, and flexible leads accommodate thermal expansion.

 

Constructed with a metal element technology and a 2-terminal SMD/SMT termination style, the OARS1-R003FI is suitable for various electronic circuits. It is also AEC-Q200 qualified, making it a reliable choice for automotive and other demanding applications.

 

The physical dimensions are 11.18mm in length, 3.18mm in width, and 3.51mm in height. The component is supplied on a tape and reel for automated assembly processes.

OARS1-R003FI Quick Information

Product Type: Current Sense Resistor
Series: OARS
Canonical Name: Welwyn Components OARS1-R003FI Surface Mount Current Sense Resistor
Subcategory: Current Sense Resistors - SMD

OARS1-R003FI Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-free

OARS1-R003FI Estimated Pricing

Qty Low High
1+ $0.05 $0.05

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

OARS1-R003FI Features

  • 0.003 ohm resistance value.
  • 1% tight tolerance for accuracy.
  • 2W power rating capability.
  • Low temperature coefficient of ±20 ppm/°C.
  • AEC-Q200 qualified for reliability.

OARS1-R003FI Applications

  • Ideal for current sensing circuits.
  • Suitable for power management systems.
  • Used in automotive applications.
  • Effective in thermal management designs.

OARS1-R003FI FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resistance value of the OARS1-R003FI?

The resistance is 0.003 Ω (3 mOhms).

What is the tolerance of this resistor?

The tolerance is ±1%.

What is the power rating of the OARS1-R003FI?

The power rating is 2 W.

What is the temperature coefficient of this resistor?

The temperature coefficient is ±20 ppm/°C.

What package does the OARS1-R003FI use?

It uses the OARS surface mount package.

Is the OARS1-R003FI AEC-Q200 qualified?

Yes, it is AEC-Q200 qualified.

Is the OARS1-R003FI lead-free?

Yes, it is lead-free (Pb-free).

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