New DealsOffersContact UsHelpTrack Ordersen français
Home
Login
Register
My Account
0
0 Items$0.00
  • All Products
    • Manufacturers
    • Popular Manufacturers
      ANALOG DEVICES
      STMICROELECTRONICS
      KEMET
      PANASONIC
      AMPHENOL
      ALPHAWIRE
      OMEGA
      NI
      TEKTRONIX
      TE CONNECTIVITY
      LITTELFUSE
      RASPBERRY PI
      View all manufacturers
      MULTICOMP PRO

      The Engineer's Choice

      From prototype to production

      Learn More

      ACCESS ASSEMBLE ASPIRE

      The right components for tomorrow's success

      Learn more
      • Resources
      • Services
        • Custom Components
        • Purchase & Procurement Support
        • Stock management
        • Design
        • Education
        • Packaging Solutions
        • Custom Orders
        View All Services
        Technical Resources
        • Healthcare
        • Robotics
        • Industrial Automation
        • OEM Solutions
        • EV Charging
        • Transportation
        • Internet of Things
        • Artificial Intelligence
        • Maintenance & Safety
        • Wireless Technology
        • Sensor Technology
        • Power Management
        • Embedded Hub
        • 3D Printing Solutions
        • Engineering Glossary
        • Calculators & Charts
        • Selector Tools & Catalogues
        • eTechJournal
        View All Tech Resources
        Help
        • Contact Us
        • New To Newark
        • Technical Support
        • Delivery Information
        • Legislation and Environmental
        • FAQ's
        • Feedback
        View All Help
        • Back to Resources
        • Services
          • Back to Services
          • Custom Components
            • Purchase & Procurement Support
              • Stock management
                • Design
                  • Education
                    • Packaging Solutions
                      • Custom Orders
                        • View All Services
                        • Technical Resources
                          • Back to Technical Resources
                          • Healthcare
                            • Robotics
                              • Industrial Automation
                                • OEM Solutions
                                  • EV Charging
                                    • Transportation
                                      • Internet of Things
                                        • Artificial Intelligence
                                          • Maintenance & Safety
                                            • Wireless Technology
                                              • Sensor Technology
                                                • Power Management
                                                  • Embedded Hub
                                                    • 3D Printing Solutions
                                                      • Engineering Glossary
                                                        • Calculators & Charts
                                                          • Selector Tools & Catalogues
                                                            • eTechJournal
                                                              • View All Tech Resources
                                                              • Help
                                                                • Back to Help
                                                                • Contact Us
                                                                  • New To Newark
                                                                    • Technical Support
                                                                      • Delivery Information
                                                                        • Legislation and Environmental
                                                                          • FAQ's
                                                                            • Feedback
                                                                              • View All Help
                                                                            • Communities
                                                                            • element14
                                                                              Visit the element14 Community for technical discussions, learning content, and opportunities to test new products.
                                                                              hacksterio
                                                                              Hackster is a community dedicated to learning hardware.
                                                                              • Back to Communities
                                                                              • element14
                                                                                • Hackster.io
                                                                                • Bill of Materials (BOM) Upload
                                                                                  • Tools
                                                                                  • Quick Buy
                                                                                    BOM Upload
                                                                                    Request a Quote
                                                                                    All Buying Tools
                                                                                    • Back to Tools
                                                                                    • Quick Buy
                                                                                      • BOM Upload
                                                                                        • Request a Quote
                                                                                          • All Buying Tools
                                                                                          • Offers
                                                                                            • Contact Us
                                                                                              • Help
                                                                                                • New Deals
                                                                                                  1. Home
                                                                                                  2. Passive Components
                                                                                                  3. Resistors - Fixed Value
                                                                                                  4. Through Hole Resistors
                                                                                                  Print Page

                                                                                                  ULW3-27RJA1

                                                                                                  Through Hole Resistor, ULW Series, 27 ohm, ULW Series, 3 W, ± 5%, Axial Leaded, 350 V

                                                                                                  TT ELECTRONICS / WELWYN ULW3-27RJA1
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerTT ELECTRONICS / WELWYN
                                                                                                  Manufacturer Part NoULW3-27RJA1
                                                                                                  Newark Part No.78R5322
                                                                                                  Product RangeULW Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  Available to Order
                                                                                                  Manufacturer Standard Lead Time: 15 week(s)

                                                                                                  Product Information

                                                                                                  ManufacturerTT ELECTRONICS / WELWYN
                                                                                                  Manufacturer Part NoULW3-27RJA1
                                                                                                  Newark Part No.78R5322
                                                                                                  Product RangeULW Series
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Resistance27ohm
                                                                                                  Product RangeULW Series
                                                                                                  Power Rating3W
                                                                                                  Resistance Tolerance± 5%
                                                                                                  Resistor Case / PackageAxial Leaded
                                                                                                  Voltage Rating350V
                                                                                                  Resistor TechnologyWirewound
                                                                                                  Temperature Coefficient± 200ppm/°C
                                                                                                  Resistor TypeFlame Proof
                                                                                                  Product Diameter5.8mm
                                                                                                  Product Length14.5mm
                                                                                                  Product Width-
                                                                                                  Operating Temperature Min-55°C
                                                                                                  Operating Temperature Max200°C
                                                                                                  Qualification-
                                                                                                  SVHCNo SVHC (27-Jun-2024)

                                                                                                  Product Overview

                                                                                                  The Welwyn ULW3 series are axial leaded UL recognised wirewound resistors. Resistance range includes E24 decade values from 4.7ohm to 100 ohm.

                                                                                                  • Isolation voltage of 350V
                                                                                                  • Power rating at 25°C is 3W
                                                                                                  • Available in 5% tolerance
                                                                                                  • Temperature coefficient of resistance ±200ppm/°C
                                                                                                  • Operating temperature range from -55°C to +155°C
                                                                                                  • UL1412 recognised fusible resistor
                                                                                                  • Failsafe mains fusing at 120 / 240Vrms
                                                                                                  • Inrush and surge withstanding

                                                                                                  Technical Specifications

                                                                                                  Resistance

                                                                                                  27ohm

                                                                                                  Power Rating

                                                                                                  3W

                                                                                                  Resistor Case / Package

                                                                                                  Axial Leaded

                                                                                                  Resistor Technology

                                                                                                  Wirewound

                                                                                                  Resistor Type

                                                                                                  Flame Proof

                                                                                                  Product Length

                                                                                                  14.5mm

                                                                                                  Operating Temperature Min

                                                                                                  -55°C

                                                                                                  Qualification

                                                                                                  -

                                                                                                  Product Range

                                                                                                  ULW Series

                                                                                                  Resistance Tolerance

                                                                                                  ± 5%

                                                                                                  Voltage Rating

                                                                                                  350V

                                                                                                  Temperature Coefficient

                                                                                                  ± 200ppm/°C

                                                                                                  Product Diameter

                                                                                                  5.8mm

                                                                                                  Product Width

                                                                                                  -

                                                                                                  Operating Temperature Max

                                                                                                  200°C

                                                                                                  SVHC

                                                                                                  No SVHC (27-Jun-2024)

                                                                                                  Technical Docs (1)

                                                                                                  Technical Data Sheet EN

                                                                                                  Alternatives for ULW3-27RJA1

                                                                                                  3 Products Found

                                                                                                  Associated Products

                                                                                                  1 Product Found

                                                                                                  Legislation and Environmental

                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:Unknown
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (27-Jun-2024)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Customer Service
                                                                                                  I Need Help
                                                                                                  Sales 1 800 463 9275
                                                                                                  Technical 1 877 736 4835
                                                                                                  Submit Feedback
                                                                                                  Live Agent
                                                                                                  Quick Links
                                                                                                  Track my order
                                                                                                  FAQs
                                                                                                  Delivery Information
                                                                                                  Our Company
                                                                                                  About us
                                                                                                  Quality Policy
                                                                                                  Careers
                                                                                                  ESG
                                                                                                  Social Media +

                                                                                                  Become a Newark Insider!

                                                                                                  LinkedIn
                                                                                                  Twitter
                                                                                                  Facebook
                                                                                                  Norton Secured
                                                                                                  BSI 9001
                                                                                                  AMEX
                                                                                                  Mastercard
                                                                                                  Visa
                                                                                                  Trade Account
                                                                                                  Discover
                                                                                                  Terms of Use / Privacy Policy
                                                                                                  Terms of Use for API
                                                                                                  Legal and Copyright Notices
                                                                                                  Terms & Conditions
                                                                                                  Privacy Statement
                                                                                                  Sitemap
                                                                                                  An Avnet Company© 2025 Premier Farnell Limited. All Rights Reserved.