KYOCERA AVX 1812AC332MAT3A\SB Equivalent & Substitute Parts

Part Overview

The KYOCERA AVX 1812AC332MAT3A\SB is a 3300 pF ceramic capacitor rated for 1000V (1kV) with X7R temperature coefficient, designed for surface mount applications in the 1812 (4532 Metric) package. This component is classified as Active and is ROHS3 compliant. Substitute parts are identified when equivalent capacitance and package dimensions are maintained while allowing for rated voltage upgrades and tolerance improvements, provided the physical constraints of the application permit such changes.

Substiute Parts

1812AC332MAT3A\SB

KYOCERA AVXIn Stock: 11461812AC332MAT3A\SB Datasheet

Current PartRFQ

1812HC332KAT1A

KYOCERA AVXIn Stock: 70741812HC332KAT1A Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 1812AC332MAT3A\SB is based on the following criteria:

Mandatory Matching Parameters:

• Capacitance: 3300 pF (exact match required)
• Temperature Coefficient: X7R (exact match required)
• Package / Case: 1812 (4532 Metric) (exact match required)
• Mounting Type: Surface Mount, MLCC (exact match required)
• Operating Temperature Range: -55°C ~ 125°C (exact match required)

Allowable Variation Parameters:

• Voltage - Rated: May be equal to or greater than 1000V
• Tolerance: May be equal to or tighter than ±20%
• Physical Thickness: May vary within application constraints

The substitute part 1812HC332KAT1A meets all mandatory matching parameters while providing an upgraded voltage rating (3000V vs. 1000V) and improved tolerance (±10% vs. ±20%).

Parameter Comparison

Engineering Selection Recommendations

The 1812HC332KAT1A serves as a direct substitute for the 1812AC332MAT3A\SB when higher voltage margin is required. Both components are Active products with ROHS3 compliance and REACH Unaffected status. The substitute part provides a 3x voltage rating increase (3000V vs. 1000V) and tighter tolerance (±10% vs. ±20%) while maintaining identical capacitance, temperature coefficient, and footprint dimensions. The increased thickness of the substitute (2.80mm vs. 1.80mm) must be accommodated within the application's vertical clearance constraints. Both components carry MSL 1 (Unlimited) moisture sensitivity classification and are suitable for general-purpose high-voltage applications.

Frequently Asked Questions (FAQ)

Q: Can the 1812HC332KAT1A replace the 1812AC332MAT3A\SB in all applications?

A: The 1812HC332KAT1A is electrically compatible as a substitute, provided the application's physical design accommodates the increased thickness (2.80mm vs. 1.80mm). The higher voltage rating and tighter tolerance present no functional limitations for circuits designed for the original 1kV specification.

Q: What is the significance of the X7R temperature coefficient?

A: X7R indicates a ceramic capacitor with a temperature coefficient of ±15% over the operating range of -55°C to 125°C. This specification is identical between the main part and substitute, ensuring consistent capacitance stability across temperature variations.

Q: Are there packaging differences between these parts?

A: The main part (1812AC332MAT3A\SB) is supplied in standard packaging, while the substitute (1812HC332KAT1A) is supplied in Tape & Reel (TR) format. Both use the same 1812 (4532 Metric) surface mount package footprint.

Q: How do tolerance differences affect circuit performance?

A: The substitute part's ±10% tolerance is tighter than the main part's ±20% tolerance, resulting in more precise capacitance values. This improvement does not create compatibility issues and may enhance circuit performance in applications sensitive to capacitance variation.

Q: What compliance certifications apply to both parts?

A: Both the 1812AC332MAT3A\SB and 1812HC332KAT1A are ROHS3 compliant, REACH Unaffected, and classified under ECCN EAR99 with HTSUS code 8532.24.0020.