OBSOLETE Vitreous enamelled wirewound resistor








Series W20
Application High power
Mounting Through hole
Package Axial
Technology Wirewound
Approval IECQ-CECC40201
Example MPN W215-3K3JI
Termination Options
  • Pb-free
  • Pb-bearing
Product Brand Welwyn
Power 5W
Rated Ambient Temperature 70°C
De-rate to 0W Ambient Temperature 315°C
Max Ambient Temperature 200°C
LEV 160V
Resistance min 0.1Ω
Resistance max 15kΩ
Critical Resistance (where applying LEV dissipates Pr) 5.12kΩ
Tolerance 1%
TCR 75ppm/°C
Isolation Voltage of Insulation See datasheet: ? V
RoHS Compliant (if Pb-free) Yes (see below)
RoHS Exemption None
China RoHS (if Pb-free) Compliant
REACH Status (if Pb-free) Reviewed to 224 SVHCs (see below)
CMRT Conflict Mineral Status Rev 6.1 Next update May 2022 (see below)
EMRT Extended Mineral Status First issue due Nov 2021
Termination Finish (if Pb-free) e1 - SnAgCu
Termination Finish (if Pb-bearing) 60/40
How to Specify Pb-Free Part number suffix is I and not PB
Packing Tape & ammo pack
Quantity 1000
Nett Weight Each -
Reflow Process Not applicable
MSL Not applicable
Wave Process Compatible, 260+-5 deg. C, 1 or 2 x 5+-1 seconds contact time
Shelf-life None defined, but solderability test prior to use is recommended after two years from date of manufacture
Lifecycle Obsolete
EOL Date / YTEOL Estimate EOL in Sep 2020
Latest PCN Date 01 Jun 20
Alternative Product W22

Resources & Technical Documents

  • All (20)
  • Brochure (0)
  • 3D Model (0)
  • Case Study (0)
  • Technical Bulletin (0)
  • Video (0)
  • Policy & Regulations (0)
  • Terms & Conditions (0)
  • End Of Life (0)
  • Datasheet (1)
  • Application Note (6)
  • Compliance (12)
  • Product Change Notification (1)