LRMAP3920B-R001FT

SMD Current Sense Resistor, 1000 µohm, LRMAP3920 Series, 3921 [1052 Metric], 4 W, ± 1%

Image is for illustrative purposes only. Please refer to product description.
TT ELECTRONICS / WELWYN LRMAP3920B-R001FT SMD Current Sense Resistor, 1000 µohm, LRMAP3920 Series, 3921 [1052 Metric], 4 W, ± 1%
TT ELECTRONICS / WELWYN LRMAP3920B-R001FT
TT ELECTRONICS / WELWYN LRMAP3920B-R001FT
Manufacturer Part NoLRMAP3920B-R001FTCopy
Manufacturer Standard Lead Time41 weeks
Order Code
Re-Reel2501325RL
Cut Tape2501325
Product RangeLRMAP3920 Series
Your Part Number
3,574 In Stock

Need more?

3,574 Delivery in 5-6 Business Days(UK stock)
Packaging Options
Packaging TypeQuantityUnit Price:Total
Cut Tape5CNY13.640CNY68.20
Total Price (inc GST) CNY68.20 (CNY77.07)
Cut Tape & Re-Reel
QuantityPrice (inc GST)
5+CNY13.640 (CNY15.4132)
50+CNY6.410 (CNY7.2433)
250+CNY4.230 (CNY4.7799)
500+CNY3.760 (CNY4.2488)
1500+CNY3.490 (CNY3.9437)
3000+CNY3.210 (CNY3.6273)
Line Note
Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

Product Information

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

Technical Specifications

  • Resistance

    1000µohm

    Resistor Case / Package

    3921 [1052 Metric]

    Resistance Tolerance

    ± 1%

    Temperature Coefficient

    ± 50ppm/°C

    Product Width

    5.2mm

    Operating Temperature Min

    -55°C

    Qualification

    AEC-Q200

    Product Range

    LRMAP3920 Series

    Power Rating

    4W

    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

  • Country of Origin:
    Country in which last significant manufacturing process was carried outCountry of Origin:
    Mexico
    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):.0003