WA87

OBSOLETE General purpose cement coated wirewound resistor

Lifecycle:

Obsolete

Brand:

Welwyn

Series:

WA80

Alternative Part Number:

W22, WHS7

Distributor Inventory
Data Sheet

Specifications

Series WA80
Application High power
Mounting Through hole
Package Axial
Technology Wirewound
Approval None
Example MPN WA87-470RJI
Termination Options -
Power 7W
Rated Ambient Temperature 25°C
De-rate to 0W Ambient Temperature 280°C
Max Ambient Temperature 155°C
LEV 150V
Resistance min 0.15Ω
Resistance max 10kΩ
Critical Resistance (where applying LEV dissipates Pr) 3.214kΩ
Tolerance 1%
TCR 200ppm/°C
Isolation Voltage of Insulation 500V
RoHS Compliant (if Pb-free) -
RoHS Exemption -
China RoHS (if Pb-free) -
REACH Status (if Pb-free) -
CMRT Conflict Mineral Status -
EMRT Extended Mineral Status -
Termination Finish (if Pb-free) e3 - Sn hot dipped
Termination Finish (if Pb-bearing) 95/5
How to Specify Pb-Free Part number suffix is I and not PB
ECCN -
Packing -
Quantity -
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
Launch Date Pre-2000
Lifecycle Obsolete
EOL Date / YTEOL Estimate EOL in 2008
Latest PCN Date No PCNs
Alternative Part Number
  • W22
  • WHS7

Resources & Technical Documents

  • All (5)
  • End Of Life (0)
  • Product Change Notification (0)
  • Case Study (0)
  • Technical Bulletin (0)
  • Video (0)
  • Policy & Regulations (0)
  • Terms & Conditions (0)
  • White Paper (0)
  • 3D Model (0)
  • Brochure (0)
  • Compliance (0)
  • Datasheet (1)
  • Application Note (4)
Datasheet WA87
Application Note TN001 Advice on Storage Conditions for Fixed Resistors
Application Note TN003 Methods for Coding Resistor Values in Part Numbers
Application Note TN005 EIA Standard Values for Resistors
Application Note TN007 Instant Access to Life Cycle and Obsolete Product Data Online