You have entered a value in the highlighted fields below that contain invalid characters. Please revise your selection using valid characters only.

Product may not be an exact match for your search

You previously purchased this product. View in Order History


OAR3 - R020FI

Current Sense Resistor, 0.02 ohm, OAR, 3 W, Metal Strip, Radial Leaded, ± 1%

Date/Lot Code

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
OAR3 - R020FI
Order Code:
Product Range
Technical Datasheet:
OAR3 - R020FI   Datasheet
See all Technical Docs

Product Range Selector (OAR)

See all from this product range

Product Information

Want to see similar products? Simply select your required attributes below and hit the button ×




Radial Leaded

Metal Strip

± 1%

± 20ppm/°C







Find similar products Choose and modify the attributes above to find similar products.

Technical Documents (3)

Product Overview

The WELWYN OAR-3 series are through hole, metal element current sensing resistors with 3W power rating. These OAR (Open Air resistor) series have low Resistance ranges from 2mohm to 100mohm.
  • ±1%, ±2% and ±5% tolerance
  • Temperature coefficient is resistance (TCR) is ±20ppm/°C
  • Superior surge performance
  • Hot spot isolated from PCB material
  • Endurance is 1000h at 25°C
  • Operating temperature range -40°C to +125°C


Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

3,348 In stock Need more?

More stock available week commencing 22/01/24
Standard lead time for this product is 32 weeks.

Order before 6pm

With you next business day

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

£0.287 ( ex VAT  ) £0.3444 ( inc VAT )

Pricing is unavailable. Please contact customer services.

Price for:
Multiple: 5 Minimum: 5
  • 5+
Quantity Price (ex VAT) (inc VAT) Your Price (ex VAT)
5+ £0.287 £0.3444
Promotional price
Contract Price
Web only price
Web only contract price
Quantity Price (ex VAT) (inc VAT) Your Price (ex VAT)

Pricing is unavailable. Please contact customer services.

No longer stocked:: No Longer Manufactured::
Add to Basket Add to Basket Pre-Order
Restricted Item
Enter Your Part No/Line Note
Total Price: ( ex VAT  )
Total Price: ( inc VAT )
Total Price: --