KYOCERA AVX 1825SC103MAT3A Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The KYOCERA AVX 1825SC103MAT3A is a high-voltage ceramic capacitor rated at 10000 pF with 1500V (1.5kV) operating voltage and X7R temperature coefficient. This surface-mount multilayer ceramic capacitor (MLCC) in 1825 (4564 Metric) package is designed for general-purpose applications requiring stable capacitance across the -55°C to 125°C operating temperature range. With 742 pieces currently in stock and active product status, equivalent and substitute parts are identified to support design flexibility, inventory optimization, and supply chain continuity.

Substiute Parts

1825SC103MAT3A

KYOCERA AVXIn Stock: 8381825SC103MAT3A Datasheet

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1825GC103KAT1A

KYOCERA AVXIn Stock: 24491825GC103KAT1A Datasheet

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1825HC103KAT1A

KYOCERA AVXIn Stock: 252491825HC103KAT1A Datasheet

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1825SC103KAT1A

KYOCERA AVXIn Stock: 14361825SC103KAT1A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1825SC103MAT3A are identified based on the following substitution criteria:

Fixed Parameters (Must Match):

• Capacitance: 10000 pF
• Temperature Coefficient: X7R
• Mounting Type: Surface Mount, MLCC
• Package / Case: 1825 (4564 Metric)
• Physical Dimensions: 0.177" L x 0.252" W (4.50mm x 6.40mm)
• Operating Temperature Range: -55°C ~ 125°C
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Variable Parameters (Allowed to Differ):

• Tolerance: ±20% (main part) vs. ±10% (substitute parts) — tighter tolerance in substitutes represents improved performance
• Voltage - Rated: 1500V (main part) vs. 2000V or 3000V (substitute parts) — higher voltage rating in substitutes provides enhanced voltage margin and design flexibility

All substitute parts maintain identical physical footprint, thermal characteristics, and regulatory compliance, ensuring direct compatibility in PCB layouts and assembly processes.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain active product status and full regulatory compliance (ROHS3 Compliant, REACH Unaffected). Selection between the main part and substitutes depends on circuit voltage requirements and tolerance specifications:

1825SC103MAT3A (Main Part): Select when ±20% tolerance is acceptable and 1500V rating meets circuit design margins.

1825GC103KAT1A: Select when 2000V voltage rating is required and ±10% tolerance improves circuit performance. Higher inventory availability (2400 pcs) supports production scheduling.

1825HC103KAT1A: Select when 3000V voltage rating provides additional design margin for high-voltage applications. Largest inventory (25145 pcs) ensures supply continuity.

1825SC103KAT1A: Select when 1500V rating is required with improved ±10% tolerance specification. Maintains same voltage rating as main part with tighter tolerance control.

All parts share identical physical footprint, thermal performance, and assembly compatibility, enabling direct substitution without PCB redesign.

Frequently Asked Questions (FAQ)

Q: Can 1825GC103KAT1A, 1825HC103KAT1A, or 1825SC103KAT1A be used as direct replacements for 1825SC103MAT3A?

A: Yes. All substitute parts maintain identical capacitance (10000 pF), temperature coefficient (X7R), package dimensions (1825 / 4564 Metric), and operating temperature range (-55°C ~ 125°C). Physical footprint and PCB layout compatibility are preserved. Differences in voltage rating and tolerance do not affect mechanical or thermal interchangeability.

Q: What is the difference between ±20% and ±10% tolerance?

A: Tolerance specifies the allowable deviation from the nominal 10000 pF capacitance value. The main part (1825SC103MAT3A) allows ±20% deviation (8000 pF to 12000 pF), while substitute parts allow ±10% deviation (9000 pF to 11000 pF). Tighter tolerance in substitutes provides more precise capacitance control for circuits requiring stricter value specifications.

Q: Why do substitute parts have higher voltage ratings (2000V or 3000V) than the main part (1500V)?

A: Higher voltage ratings provide additional design margin and safety factor in high-voltage applications. Circuits designed for 1500V operation can use 2000V or 3000V rated capacitors without performance degradation. The higher voltage rating does not increase component cost proportionally and supports broader application compatibility.

Q: Are all parts packaged identically?

A: The main part (1825SC103MAT3A) is supplied in standard packaging. Substitute parts (1825GC103KAT1A, 1825HC103KAT1A, 1825SC103KAT1A) are supplied in Tape & Reel (TR) packaging. Both packaging formats are compatible with automated assembly equipment. Tape & Reel packaging is standard for high-volume production and supports efficient component handling.

Q: Do all parts meet the same regulatory and compliance standards?

A: Yes. All parts are ROHS3 Compliant, REACH Unaffected, and classified as Moisture Sensitivity Level 1 (Unlimited). Regulatory compliance is identical across all parts, supporting use in regulated industries and applications requiring environmental certification.

Q: Which substitute part should be selected for maximum inventory availability?

A: The 1825HC103KAT1A offers the largest inventory (25145 pcs) and provides the highest voltage rating (3000V), making it suitable for applications requiring extended supply assurance and maximum voltage margin.