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KYOCERA AVX TAJC685K050SNJ — Specialty Capacitors

TAJC685K050SNJ 6.8 µF 50 V Molded Tantalum Capacitor

MPNTAJC685K050SNJ
Active

KYOCERA AVX TAJ series, molded tantalum capacitor, 6.8 µF ±10%, 50 V rated, 1 Ohm ESR at 100 kHz, -55°C to +125°C, 2312 (6032 Metric) case, size code C.

$0.4969Ref. price · indicative, final on quote
KYOCERA AVX TAJC685K050SNJ datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

TAJC685K050SNJ specifications
ParameterValue
TypeMolded
SeriesTAJ
MountingSurface Mount
ESR1Ohm @ 100kHz
Voltage - rated50 V
Operating temperature-55°C ~ 125°C
Size (Dimension)0.236\" L x 0.126\" W (6.00mm x 3.20mm)
Height - seated0.110\" (2.80mm)
PackageTape & Reel (TR)
FeaturesGeneral Purpose
Tolerance±10%
Capacitance6.8 µF
Case2312 (6032 Metric)
Manufacturer size codeC

Product details

6.8 µF at 50 V — the BOM-fit anchor

The TAJC685K050SNJ: This is a 6.8 µF tantalum capacitor rated for 50 V continuous, in the standard ±10% tolerance. For a bulk decoupling role on a switching regulator output, this ESR is moderate — expect a few hundred mA of ripple current before the temperature rise becomes a concern.

The molded case and tantalum construction hold capacitance stability across that range — suitable for avionics, downhole instrumentation, or outdoor telecom enclosures where the board cycles between freezing and hot-soak conditions.

Housed in the 2312 (6032 Metric) molded case, size code C. The footprint is 6.00 mm x 3.20 mm with a seated height of 2.80 mm max. The surface-mount package is supplied on tape and reel, compatible with standard pick-and-place and reflow profiles for tantalum capacitors.

Frequently asked questions

Can I replace TAJC685K050SNJ with a ceramic capacitor?

A ceramic capacitor of the same capacitance and voltage rating would have much lower ESR and no polarity constraint, but the DC bias characteristic of Class 2 ceramics (X5R/X7R) means the effective capacitance drops sharply as the applied voltage approaches the rating. For a 50 V rail, a 6.8 µF ceramic in a 1206 or 1210 package may lose 50-70 % of its capacitance at 25 V bias. The tantalum holds its full value across the voltage range. Evaluate the in-circuit voltage derating before substituting.

Is TAJC685K050SNJ obsolete or end-of-life?

No. The lifecycle status is Active — no EOL notice or last-time-buy is in effect. The part remains in KYOCERA AVX's active portfolio.