Le Leivre.com

Chip Resistor De-rating calculator

Choose the Package size, Max Operating temperature and desired resistance value.
The calculator will return the maximum current allowable with its corresponding available volt drop.

R(Ω)


Temperature(DegC)


Current

Volt Drop


Notes:
*An example use for this calculator is when designing small signal amplifier bias circuits and choosing resistors for setting collector/drain current.

*Guide Calculations only, amalgamated from various chip resistor manufacturer specifications: Rohm, Yageo-Phycomp, Bourns
-Roughly 100% rating until +70DegC then linear de-rating to 0% at +155DegC.