Equivalent & Substitute Parts for 1808AC330MAT1A

Part Overview

The 1808AC330MAT1A is a high-voltage ceramic capacitor manufactured by KYOCERA AVX with a capacitance of 33 pF, rated for 1000V (1kV), and featuring X7R temperature coefficient characteristics. This component is classified as Active and is currently in stock with 688 units available. The part is designed for general-purpose applications requiring high-voltage performance in a compact 1808 (4520 Metric) surface-mount package.

Substitute parts are identified when equivalent electrical performance can be achieved within the allowed parameter tolerances for this product category, maintaining compatibility with the original design specifications.

Substiute Parts

1808AC330MAT1A

KYOCERA AVXIn Stock: 7791808AC330MAT1A Datasheet

Current PartRFQ

C4520C0G3F330K160KA

TDK CorporationIn Stock: 7121C4520C0G3F330K160KA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1808AC330MAT1A is determined by the following criteria:

• Capacitance value must be 33 pF
• Package / Case must be 1808 (4520 Metric) to ensure mechanical and electrical compatibility
• Mounting type must be Surface Mount, MLCC
• Operating temperature range must encompass or match -55°C ~ 125°C
• Voltage rating must be equal to or greater than 1000V (1kV)
• RoHS and REACH compliance status must be maintained
• Moisture Sensitivity Level must be 1 (Unlimited) or equivalent

The substitute part C4520C0G3F330K160KA meets these criteria with a higher voltage rating (3000V) and tighter tolerance (±10% versus ±20%), making it functionally compatible for applications designed around the original 1808AC330MAT1A specifications.

Parameter Comparison

Engineering Selection Recommendations

The C4520C0G3F330K160KA from TDK Corporation is a qualified substitute for the 1808AC330MAT1A. Both components maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment. The substitute part provides a higher voltage rating (3000V versus 1000V) and improved capacitance tolerance (±10% versus ±20%), which represents an enhancement over the original specification. Physical dimensions remain compatible within the 1808 (4520 Metric) package footprint, with negligible variation in length (4.50mm versus 4.60mm) and identical thickness. Both parts operate across the same temperature range (-55°C ~ 125°C) and maintain unlimited moisture sensitivity classification.

Frequently Asked Questions (FAQ)

Q: Can the C4520C0G3F330K160KA be used as a direct replacement for the 1808AC330MAT1A?

A: Yes. Both parts share the same 33 pF capacitance value, identical 1808 (4520 Metric) package, and compatible operating temperature range. The substitute part meets or exceeds all electrical and mechanical requirements of the original component.

Q: What is the difference between X7R and C0G temperature coefficients?

A: X7R and C0G (NP0) are both temperature coefficient classifications for ceramic capacitors. C0G provides superior temperature stability with minimal capacitance variation across the operating range, while X7R offers acceptable stability for general-purpose applications. Both are suitable for the -55°C ~ 125°C operating range specified.

Q: Does the higher voltage rating of the substitute part affect circuit performance?

A: No. A higher voltage rating does not negatively impact circuit performance. The 3000V rating of the substitute part provides additional design margin and reliability headroom compared to the 1000V rating of the original part, while maintaining the same 33 pF capacitance value.

Q: Are there any physical compatibility concerns with the substitute part?

A: No. Both parts conform to the 1808 (4520 Metric) package standard with compatible dimensions and thickness. The 0.4mm difference in length (4.50mm versus 4.60mm) is within standard manufacturing tolerances and does not affect PCB layout compatibility.

Q: What is the significance of the tighter tolerance in the substitute part?

A: The C4520C0G3F330K160KA features ±10% tolerance compared to ±20% for the original part. This tighter tolerance provides improved capacitance accuracy and consistency, which may benefit applications requiring precise capacitive values.

Q: Are both parts compliant with current regulatory standards?

A: Yes. Both the 1808AC330MAT1A and C4520C0G3F330K160KA are ROHS3 compliant, REACH Unaffected, and classified under ECCN EAR99, meeting current regulatory requirements for electronic component distribution and use.