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LRMAP3920B-R0003FT
SMD Current Sense Resistor, 300 µohm, LRMAP3920 Series, 3921 [1052 Metric], 5 W, ± 1%
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ManufacturerTT ELECTRONICS / WELWYN
Manufacturer Part NoLRMAP3920B-R0003FTCopy
Manufacturer Standard Lead Time28 weeks
Newark Part No.
Re-Reel68Y7713RL
Cut Tape68Y7713
Product RangeLRMAP3920 Series
Your Part Number
2,242 In Stock
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Delivery in 4-6 Business Days(UK stock)
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Packaging Options
| Packaging Type | Quantity | Unit Price: | Total |
|---|---|---|---|
| Cut Tape | 1 | $0.659 | $0.66 |
| Total Price | $0.66 | ||
Cut Tape & Re-Reel
| Quantity | Price |
|---|---|
| 1+ | $0.659 |
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Product Information
ManufacturerTT ELECTRONICS / WELWYN
Manufacturer Part NoLRMAP3920B-R0003FTCopy
Manufacturer Standard Lead Time28 weeks
Newark Part No.
Re-Reel68Y7713RL
Cut Tape68Y7713
Product RangeLRMAP3920 Series
Technical Datasheet
Resistance300µohm
Product RangeLRMAP3920 Series
Resistor Case / Package3921 [1052 Metric]
Power Rating5W
Resistance Tolerance± 1%
Resistor TechnologyMetal Alloy
Temperature Coefficient± 150ppm/°C
Product Length10mm
Product Width5.2mm
Product Height-
Operating Temperature Min-55°C
Operating Temperature Max170°C
QualificationAEC-Q200
SVHCNo SVHC (04-Feb-2026)
Product Overview
The LRMAP3920 series from Welwyn are automotive grade, surface mount low resistance metal alloy power resistors. The resistance range includes values from 0.2mohm to 2mohm.
- Excellent long term stability
- Standard power rating up to 5W
- Thermal substrate power rating up to 10W
- Current sensing for power electronics
- Available with A, B, C alloys options
- Automotive grade AEC-Q200 qualified
- Ambient temperature range from -55°C to 170°C
- Resistive tolerance of 1%
- Available TCR values are ±50ppm/°C, ±60ppm/°C, ±70ppm/°C, ±150ppm/°C and ±200ppm/°C
- Inductance of <lt/>3nH
- High Power Resistor
Technical Specifications
Resistance
300µohm
Resistor Case / Package
3921 [1052 Metric]
Resistance Tolerance
± 1%
Temperature Coefficient
± 150ppm/°C
Product Width
5.2mm
Operating Temperature Min
-55°C
Qualification
AEC-Q200
Product Range
LRMAP3920 Series
Power Rating
5W
Resistor Technology
Metal Alloy
Product Length
10mm
Product Height
-
Operating Temperature Max
170°C
SVHC
No SVHC (04-Feb-2026)
Technical Docs (1)
Legislation and Environmental
US ECCN:EAR99
EU ECCN:Unknown
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (04-Feb-2026)
Download Product Compliance Certificate
Product Compliance Certificate