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18121C394KAT2A Kyocera AVX 18121C394KAT2A is a surface-mount MLCC capacitor with 0.39 µF capacitance, 100V rating, X7R dielectric, and ±10% tolerance in an 1812 package.
Mfr Part #:

18121C394KAT2A

Available from 1 distributors
Mfr Name: Kyocera AVX
Kyocera AVX
Kyocera AVX 18121C394KAT2A is a surface-mount MLCC capacitor with 0.39 µF capacitance, 100V rating, X7R dielectric, and ±10% tolerance in an 1812 package.
✓ Total Stock: 320,644 pcs
$ Price Range: $0.59 - $1.60

18121C394KAT2A Available from 1 distributor

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320,644 pcs
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320644 pcs On Request 1 On Request On Request 25+ On Request On Request
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18121C394KAT2A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Capacitance
Length
Mounting Type
Operating Temperature
Tape & Reel
Temperature Coefficient
Thickness (Max)
Tolerance
Voltage
Width
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18121C394KAT2A Description

Short technical summary and product information.

The Kyocera AVX 18121C394KAT2A is a multilayer ceramic capacitor (MLCC) designed for general-purpose applications. It offers a capacitance of 0.39 µF with a voltage rating of 100V DC. The X7R temperature coefficient ensures stable capacitance over a wide operating temperature range of -55°C to 125°C, with a tolerance of ±10%.

 

This capacitor is housed in an 1812 (4532 Metric) surface-mount package, measuring 4.57 mm in length, 3.20 mm in width, and a maximum thickness of 1.02 mm. It is suitable for automated assembly and is commonly used in power supply decoupling, filtering, and bypass applications where moderate capacitance and voltage are required.

18121C394KAT2A Quick Information

Product Type: MLCC Capacitor
Canonical Name: Kyocera AVX 18121C394KAT2A MLCC Capacitor, 0.39 µF, 100V, X7R, ±10%, 1812
Subcategory: Multilayer Ceramic Capacitor (MLCC)

18121C394KAT2A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

18121C394KAT2A Estimated Pricing

Qty Low High
1+ $1.60 $1.60
10+ $0.84 $0.84
100+ $0.78 $0.78
500+ $0.67 $0.67
1,000+ $0.63 $0.63
2,000+ $0.59 $0.59

Estimated market price range - modelled values for guidance only, not live distributor offers.

18121C394KAT2A Features

  • 0.39 µF capacitance with 100V DC rating.
  • X7R temperature coefficient for stable performance.
  • Surface-mount 1812 package for automated assembly.
  • Operating temperature range from -55°C to 125°C.
  • ±10% capacitance tolerance for reliable circuit design.

18121C394KAT2A Applications

  • General-purpose decoupling and bypass capacitors.
  • Power supply filtering in low-voltage circuits.
  • Signal coupling and noise suppression applications.
  • Use in automotive and industrial control modules.
  • Suitable for high-density PCB layouts.

18121C394KAT2A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the capacitance of the 18121C394KAT2A?

The capacitance is 0.39 µF.

What is the voltage rating of this capacitor?

The voltage rating is 100V DC.

What is the temperature coefficient of the 18121C394KAT2A?

The temperature coefficient is X7R.

What is the tolerance of this capacitor?

The tolerance is ±10%.

What is the package size of the 18121C394KAT2A?

The package is 1812 (4532 Metric), with dimensions 4.57 mm length, 3.20 mm width, and 1.02 mm maximum thickness.

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

What mounting type does this capacitor use?

It uses surface mount (MLCC).

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