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KEMET T491B Series

1285 variants · KEMET

About the KEMET T491B Series

The KEMET T491B Series series groups 1285 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common case of 1411 (3528 Metric), failure rate of - and height - seated of 0.083\" (2.10mm). Variants differ by capacitance, ESR and features, so you can match the exact capacitance your application requires using the selection guide below.

Select a variant by

Capacitance
1 µF · 2.2 µF · 10 µF · 15 µF
ESR
2.5Ohm · 3Ohm · 3.5Ohm · 4Ohm · 4.5Ohm · 5Ohm
Features
Automotive · General Purpose
Operating temperature
-55°C ~ 125°C · -55°C~125°C
Package
Tape & Reel (TR) · Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Tolerance
±10% · ±20%
Voltage - rated
16 V · 20 V · 25 V · 35 V
Ratings
- · AEC-Q200

Shared specifications

Case
1411 (3528 Metric)
Failure rate
-
Height - seated
0.083\" (2.10mm)
Lead spacing
-
Lifetime
2000 Hrs @ 125°C
Manufacturer size code
B
Mounting
Surface Mount
Size (Dimension)
0.138\" L x 0.110\" W (3.50mm x 2.80mm)
Type
Molded

Variant comparison

ParameterT491B105K035AHT491B106M025ATT491B156K016ATT491B225K035AH7790T491B225K035ATT491B225K035AT4860
Capacitance1 µF10 µF15 µF2.2 µF2.2 µF2.2 µF
ESR5Ohm3Ohm2.5Ohm4Ohm4Ohm4Ohm
FeaturesGeneral PurposeGeneral PurposeGeneral PurposeGeneral PurposeGeneral PurposeGeneral Purpose
Operating temperature-55°C ~ 125°C-55°C ~ 125°C-55°C ~ 125°C-55°C~125°C-55°C~125°C-55°C~125°C
PackageTape & Reel (TR) Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)Tape & Reel (TR)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR)
Tolerance±10%±20%±10%±10%±10%±10%
Voltage - rated35 V25 V16 V35 V35 V35 V
Ratings--

Request a quote on any KEMET T491B Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants