Print Page
OAR3 - R040FI
Current Sense Resistor, 0.04 ohm, OAR Series, 3 W, Metal Strip, Radial Leaded, ± 1%
Image is for illustrative purposes only. Please refer to product description.
ManufacturerTT ELECTRONICS / WELWYN
Manufacturer Part NoOAR3 - R040FI
Order Code1200371
Product RangeOAR Series
Technical Datasheet
1,773 In Stock
Need more?
1773 Delivery in 5-6 Business Days(UK stock)
| Quantity | Price (inc GST) |
|---|---|
| 5+ | CNY21.900 (CNY24.747) |
| 50+ | CNY11.580 (CNY13.0854) |
| 250+ | CNY10.760 (CNY12.1588) |
| 500+ | CNY9.940 (CNY11.2322) |
| 1000+ | CNY9.120 (CNY10.3056) |
| 2500+ | CNY8.300 (CNY9.379) |
Price for:Each
Minimum: 5
Multiple: 5
CNY109.50 (CNY123.74 inc GST)
Line Note
Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
Product Information
ManufacturerTT ELECTRONICS / WELWYN
Manufacturer Part NoOAR3 - R040FI
Order Code1200371
Product RangeOAR Series
Technical Datasheet
Resistance0.04ohm
Product RangeOAR Series
Power Rating3W
Resistor TechnologyMetal Strip
Resistor Case / PackageRadial Leaded
Resistance Tolerance± 1%
Temperature Coefficient± 20ppm/°C
Product Length15.24mm
Product Width1.65mm
Product Height23.4mm
Operating Temperature Min-40°C
Operating Temperature Max125°C
Qualification-
SVHCNo SVHC (25-Jun-2025)
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
Technical Specifications
Resistance
0.04ohm
Power Rating
3W
Resistor Case / Package
Radial Leaded
Temperature Coefficient
± 20ppm/°C
Product Width
1.65mm
Operating Temperature Min
-40°C
Qualification
-
Product Range
OAR Series
Resistor Technology
Metal Strip
Resistance Tolerance
± 1%
Product Length
15.24mm
Product Height
23.4mm
Operating Temperature Max
125°C
SVHC
No SVHC (25-Jun-2025)
Technical Docs (2)
Legislation and Environmental
Country of Origin:
Country in which last significant manufacturing process was carried outCountry of Origin:United States
Country in which last significant manufacturing process was carried out
Country in which last significant manufacturing process was carried outCountry of Origin:United States
Country in which last significant manufacturing process was carried out
Tariff No:85369010
US ECCN:EAR99
EU ECCN:NLR
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (25-Jun-2025)
Download Product Compliance Certificate
Product Compliance Certificate
Weight (kg):.04