Ultra precision metal film resistor








Series CAR
Application Precision
Mounting Through hole
Package Axial
Technology Metal film
Approval -
Example MPN CAR5V-31K6PI or CAR5LFV3162PA
Termination Options
  • Pb-free
  • Pb-bearing
Product Brand Welwyn
Power 0.25W
Rated Ambient Temperature 70°C
De-rate to 0W Ambient Temperature 155°C
Max Ambient Temperature 155°C
LEV 250V
Resistance min 10Ω
Resistance max 3MΩ
Critical Resistance (where applying LEV dissipates Pr) 250kΩ
Tolerance 0.01%
TCR 5ppm/°C
Isolation Voltage of Insulation Unspecified: ?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) e3 - Sn hot dipped
Termination Finish (if Pb-bearing) 95/5
How to Specify Pb-Free European PN has no PB suffix, USA PN has LF after type
Packing Tape & ammo pack
Quantity 5000
Nett Weight Each 0.24g
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 Mature
EOL Date / YTEOL Estimate 5 years or more from May 2022
Latest PCN Date No PCNs
Alternative Product RC55

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