Equivalent & Substitute Parts for 08053U101JAT2A

Part Overview

The 08053U101JAT2A is a 100 pF ceramic capacitor manufactured by KYOCERA AVX in the U series, rated for 25V with C0G/NP0 temperature coefficient characteristics. This surface mount MLCC (multilayer ceramic capacitor) is designed for RF, microwave, and high-frequency applications requiring ultra-low ESR performance. The part is active in production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when design requirements permit higher voltage ratings, improved tolerance specifications, or alternative series options while maintaining core electrical and mechanical compatibility.

Substiute Parts

08053U101JAT2A

KYOCERA AVXIn Stock: 121908053U101JAT2A Datasheet

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08055U101FAT2A

KYOCERA AVXIn Stock: 888108055U101FAT2A Datasheet

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08055U101JAT2A

KYOCERA AVXIn Stock: 659208055U101JAT2A Datasheet

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KGQ21HCG2A101FT

KYOCERA AVXIn Stock: 4994KGQ21HCG2A101FT Datasheet

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KGQ21HCG2A101JT

KYOCERA AVXIn Stock: 3528KGQ21HCG2A101JT Datasheet

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KGQ21HCG2D101GT

KYOCERA AVXIn Stock: 18291KGQ21HCG2D101GT Datasheet

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KGQ21HCG2D101JT

KYOCERA AVXIn Stock: 39890KGQ21HCG2D101JT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 08053U101JAT2A are qualified based on the following criteria:

Electrical Compatibility: All substitute parts maintain the same 100 pF capacitance value and C0G/NP0 temperature coefficient, ensuring frequency stability and thermal performance equivalent to the original specification.

Mechanical Compatibility: All substitutes use the identical 0805 (2012 Metric) package with matching physical dimensions (0.079" L x 0.049" W, 2.01mm x 1.25mm) and thickness (0.045" / 1.15mm maximum), enabling direct PCB footprint compatibility without layout modifications.

Environmental & Compliance: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and the same operating temperature range (-55°C ~ 125°C), ensuring equivalent reliability and regulatory acceptance.

Voltage Rating Variations: Substitutes are grouped by voltage rating (50V, 100V, 200V). Higher voltage ratings provide design margin and are electrically compatible with 25V applications. Lower voltage ratings are not included as substitutes.

Tolerance Variations: Substitutes include both ±5% and ±1% tolerance options. Tighter tolerance (±1%) parts provide improved precision for critical RF and high-frequency circuits while maintaining full electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (Same Voltage Rating): The 08053U101JAT2A can be directly replaced with 08055U101JAT2A (50V, ±5%) or 08055U101FAT2A (50V, ±1%) when higher voltage margin is acceptable. Both parts maintain identical capacitance, temperature coefficient, and package specifications with full ROHS3 compliance and MSL 1 rating.

Higher Voltage Substitution: KGQ series parts (100V and 200V ratings) provide increased design margin for applications subject to voltage transients or future specification changes. The KGQ21HCG2A101JT (100V, ±5%) and KGQ21HCG2A101FT (100V, ±1%) maintain U series tolerance characteristics in an upgraded voltage class. The KGQ21HCG2D101JT (200V, ±5%) and KGQ21HCG2D101GT (200V, ±2%) offer maximum voltage headroom with improved tolerance options.

Tolerance Upgrade Path: When circuit performance requires tighter capacitance tolerance, ±1% variants (08055U101FAT2A, KGQ21HCG2A101FT, KGQ21HCG2D101GT) are electrically and mechanically compatible substitutes. The ±2% option (KGQ21HCG2D101GT) provides intermediate tolerance specification at 200V rating.

Series Compatibility: U series and KGQ series parts are both manufactured by KYOCERA AVX with identical package geometry, thermal characteristics, and compliance certifications. Series designation does not affect substitution eligibility when electrical and mechanical parameters match.

Frequently Asked Questions (FAQ)

Q: Can I use a 50V-rated capacitor in a 25V circuit? A: Yes. Higher voltage-rated capacitors are electrically compatible with lower voltage applications. The 08055U101JAT2A (50V) and 08055U101FAT2A (50V) are direct substitutes for the 08053U101JAT2A (25V) with no circuit modifications required.

Q: What is the difference between ±5% and ±1% tolerance parts? A: Tolerance specifies the allowable deviation from the nominal 100 pF capacitance value. ±5% permits 95–105 pF; ±1% permits 99–101 pF. Tighter tolerance (±1%) is required for precision RF tuning circuits and high-frequency applications with strict impedance matching requirements. Both are electrically compatible with identical voltage and temperature characteristics.

Q: Are U series and KGQ series parts interchangeable? A: Yes, when electrical and mechanical specifications match. Both series use identical 0805 package geometry, C0G/NP0 temperature coefficient, and ROHS3 compliance. Series designation reflects internal design architecture but does not affect PCB compatibility or electrical performance for this capacitance value.

Q: Can I substitute a 200V part for a 25V part? A: Yes. The KGQ21HCG2D101JT (200V, ±5%) and KGQ21HCG2D101GT (200V, ±2%) are electrically and mechanically compatible with the 08053U101JAT2A. Higher voltage ratings provide additional design margin and are suitable for all 25V applications.

Q: Does package size change between substitute parts? A: No. All substitute parts use the 0805 (2012 Metric) package with identical dimensions (0.079" L x 0.049" W, 2.01mm x 1.25mm) and maximum thickness (0.045" / 1.15mm). PCB footprints and assembly processes require no modification.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity) rating, ensuring equivalent regulatory acceptance and reliability performance.