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OAR3 - R050FI
Current Sense Resistor, 0.05 ohm, OAR Series, 3 W, Metal Strip, Radial Leaded, ± 1%
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ManufacturerTT ELECTRONICS / WELWYN
Manufacturer Part NoOAR3 - R050FI
Order Code1200372
Product RangeOAR Series
Your Part Number
Available to Order
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| Quantity | Price (inc GST) |
|---|---|
| 5+ | CNY30.390 (CNY34.3407) |
| 50+ | CNY15.750 (CNY17.7975) |
| 250+ | CNY11.370 (CNY12.8481) |
| 500+ | CNY11.270 (CNY12.7351) |
| 1000+ | CNY10.450 (CNY11.8085) |
| 2500+ | CNY10.260 (CNY11.5938) |
Price for:Each
Minimum: 5
Multiple: 5
CNY151.95 (CNY171.70 inc GST)
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Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
Product Information
ManufacturerTT ELECTRONICS / WELWYN
Manufacturer Part NoOAR3 - R050FI
Order Code1200372
Product RangeOAR Series
Technical Datasheet
Resistance0.05ohm
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 (04-Feb-2026)
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
0.05ohm
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 (04-Feb-2026)
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:85332100
US ECCN:EAR99
EU ECCN:NLR
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (04-Feb-2026)
Download Product Compliance Certificate
Product Compliance Certificate
Weight (kg):.043