OBSOLETE Semi-precision power wirewound resistor








Series AS
Application High power
Mounting Through hole
Package Axial
Technology Wirewound
Approval -
Example MPN AS2-2K7FI or AS22701FLF
Termination Options
  • Pb-free
  • Pb-bearing
Product Brand IRC
Power 2W
Rated Ambient Temperature 125°C
De-rate to 0W Ambient Temperature 275°C
Max Ambient Temperature 150°C
Resistance min 0.1Ω
Resistance max 20kΩ
Critical Resistance (where applying LEV dissipates Pr) -
Tolerance 0.5%
TCR 20ppm/°C
Isolation Voltage of Insulation -
RoHS Compliant (if Pb-free) Yes (see below)
RoHS Exemption None
China RoHS (if Pb-free) Compliant
REACH Status (if Pb-free) Reviewed to 223 SVHCs (see below)
CMRT Conflict Mineral Status Rev 6.1 Next update May 2022 (see below)
EMRT Extended Mineral Status Rev 2.2 Next update May 2022 (see below)
Termination Finish (if Pb-free) e3 - Sn matt plated
Termination Finish (if Pb-bearing) 60/40
How to Specify Pb-Free Part number has LF suffix
Packing Bulk / box
Quantity 1000
Nett Weight Each 953g
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 NAS2, WP3S

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