LM321MFX/NOPB

LM321MFX/NOPB is the tape-and-reel SOT-23-5 ordering code for the Texas Instruments LM321 single operational amplifier in the lead-free /NOPB variant, listed by TI as ACTIVE for this exact variant in the current Package Option Addendum (Rev. C). The variant distinction is decisive: the same base code without the /NOPB suffix, LM321MFX, is listed NRND by TI, so the suffix is part of the orderable identity and must be quoted in full - an offer of the non-/NOPB code is not the same lifecycle proposition. Electrically it runs from a 3 V to 32 V supply, with input offset voltage of 2 mV typical and 7 mV maximum, supply current of 430 µA typical, gain-bandwidth of 1 MHz typical, and a slew rate of 0.4 V/µs typical - the figure the SNOS935C electrical table gives at a 15 V supply, 2 kΩ load, 100 pF load capacitance and unity gain at 25 °C, with no minimum or maximum specified, so it is a typical value and not a guaranteed one. The selection point is a general-purpose single amplifier that still works at industrial supply voltages: signal conditioning, comparators-with-gain duties and control loops in 24 V systems where low-voltage RRIO parts cannot run. Selection advice: check the suffix on every quotation line - if a board was qualified on the /NOPB variant for material-declaration reasons, a non-/NOPB substitution changes both lifecycle status and compliance paperwork. Parameters verified against the TI LM321 datasheet and the current Package Option Addendum for the /NOPB variant.