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Avlis-co
T491D226M025AT Capacitor Tant Solid 22uF 25V D CASE
Avlis-co

T491D226M025AT Capacitor Tant Solid 22uF 25V D CASE

Best price now

$5.99at WalmartChecked 6 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $5.99 at Walmart (checked Nov 15, 2026).
  • Checked at 2 stores.

Our take on the T491D226M025AT Capacitor Tant Solid 22uF 25V D CASE

This is a surface-mount solid tantalum capacitor from KEMET's T491 series: 22 µF, 25 V, D case (7343-31, about 7.3 x 4.3 x 2.8 mm), 20% tolerance, 0.8 ohm ESR, rated to 125°C. It is a molded-chip part with an inward L-lead terminator, supplied on cut tape and RoHS compliant. It suits board-level bulk decoupling and filtering where a stable, low-leakage capacitor is needed in a compact footprint. Against ceramic rivals it offers much higher capacitance per volume and steadier capacitance over voltage, but it is polarized, less robust to inrush surges, and costs more than an equivalent MLCC.

Best forBulk decoupling on dense SMD boardsFiltering in industrial and automotive electronicsRepair and rework of boards specifying the T491 D caseDesigns needing stable capacitance over temperature
Pros
  • High 22 µF capacitance in a small D-case footprint
  • Stable capacitance across voltage and temperature
  • Solid tantalum construction with low leakage
  • Rated to 125°C for hot environments
  • RoHS compliant and supplied on cut tape for assembly
Cons
  • Polarized: reversed voltage can destroy it
  • Sensitive to inrush current and voltage derating is advised
  • Higher ESR (0.8 ohm) than many ceramic alternatives
  • Costs more than comparable MLCCs
  • Not suited to high-ripple or high-frequency roles

T491D226M025AT Capacitor Tant Solid 22uF 25V D CASE prices at every store

  • WalmartNew

    In stockSold by AVLIS-COReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $5.99+ $9.21 shippingChecked 6 h ago
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $5.99+ $9.21 shippingChecked 6 h ago
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T491D226M025AT Capacitor Tant Solid 22uF 25V D CASE price history

Lowest price we've seen: $5.99 on Nov 15 at Amazon. Tracked across 1 store since Nov 15.

About the T491D226M025AT Capacitor Tant Solid 22uF 25V D CASE

This is a pack of 10 solid tantalum capacitors, part number T491D226M025AT. Each is rated 22uF at 25V with a 20% tolerance.

The capacitors are surface-mount parts in a D case, SMD 7343-31, with inward L terminals. Each measures 7.3 x 4.3 x 2.8mm. They have an ESR of 0.8 ohm and a 125°C temperature rating. They are supplied on cut tape and are RoHS compliant.

Part number
T491D226M025AT
Type
Solid tantalum capacitor
Capacitance
22uF
Voltage
25V
Tolerance
20%
Case
D case, SMD 7343-31
Dimensions
7.3 x 4.3 x 2.8mm
Terminals
Inward L, SMD
ESR
0.8 ohm
Max temperature
125°C
Packaging
Cut tape
Compliance
RoHS
Quantity
Pack of 10

Questions and answers

What does the T491D226M025AT rating mean?
22 µF capacitance, 25 V DC rating, M for ±20% tolerance, and D for the 7343-31 case size. The suffix marks the cut-tape packaging.
Can I replace it with a ceramic capacitor?
Often yes for decoupling, but check ESR and capacitance stability. A 22 µF MLCC is smaller and cheaper but loses capacitance under DC bias, while the tantalum holds its value.
Does it need voltage derating?
Yes. Solid tantalum parts are commonly run at about half their rated voltage or less, especially on low-impedance rails, to reduce surge failure risk.
Is it polarized?
Yes. The anode and cathode terminals must be oriented correctly; reversing the voltage can short and damage the part.
What is the operating temperature range?
The part is rated to 125°C. Capacitance and ESR shift with temperature, so derate the working voltage at the top of the range.
What is in the pack?
Ten capacitors on cut tape, each a D-case 7343-31 SMD tantalum. Cut tape is intended for hand placement or feeder loading, not full reels.
Where is the T491D226M025AT Capacitor Tant Solid 22uF 25V D CASE cheapest?
At Walmart, for $5.99, as of our latest check.
Where can I buy the T491D226M025AT Capacitor Tant Solid 22uF 25V D CASE?
2 stores we checked sell it, including Walmart, Amazon.