1812GC331MAT1A Equivalent & Substitute Parts

Part Overview

The 1812GC331MAT1A is a 330 pF ceramic capacitor rated at 2000V (2kV) with X7R temperature coefficient, manufactured by KYOCERA AVX in 1812 (4532 Metric) surface mount package. This component is Active status and ROHS3 compliant. Substitute parts are identified when equivalent capacitance, package form factor, and voltage rating requirements can be met by alternative manufacturers while maintaining electrical and mechanical compatibility within specified tolerance ranges.

Substiute Parts

1812GC331MAT1A\SB

KYOCERA AVXIn Stock: 9521812GC331MAT1A\SB Datasheet

Current PartRFQ

1812HA331KAT1A

KYOCERA AVXIn Stock: 71791812HA331KAT1A Datasheet

UpgradeRFQ

C4532C0G3F331K250KA

TDK CorporationIn Stock: 17788C4532C0G3F331K250KA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the 1812GC331MAT1A is based on the following allowed parameters:

• Capacitance value must equal 330 pF
• Package / Case must be 1812 (4532 Metric) surface mount
• Operating temperature range must span -55°C ~ 125°C
• Mounting type must be Surface Mount, MLCC
• RoHS3 compliance required
• Moisture Sensitivity Level must be 1 (Unlimited)

Voltage rating may exceed the original 2000V specification. Temperature coefficient may differ from X7R (C0G/NP0 acceptable). Tolerance may be tighter than ±20%.

Parameter Comparison

Engineering Selection Recommendations

Both substitute parts meet the core substitution criteria for the 1812GC331MAT1A. The 1812HA331KAT1A (KYOCERA AVX) provides a voltage upgrade to 3000V with improved tolerance (±10%) while maintaining identical length and width dimensions. The C4532C0G3F331K250KA (TDK Corporation) offers the same voltage upgrade and tolerance improvement with slightly reduced length (4.50mm vs 4.60mm) and increased thickness (2.80mm vs 1.80mm).

Selection between substitutes depends on physical space constraints and preferred manufacturer. Both parts are Active status and ROHS3 compliant. The KYOCERA AVX upgrade maintains closer dimensional compatibility with the original part. The TDK part provides an alternative source with higher inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the 1812HA331KAT1A replace the 1812GC331MAT1A in all applications?

A: Yes, within the specified operating parameters. The 1812HA331KAT1A maintains identical capacitance (330 pF), package dimensions (1812/4532 Metric), and operating temperature range (-55°C ~ 125°C). The higher voltage rating (3000V vs 2000V) and tighter tolerance (±10% vs ±20%) represent improvements. Verify that the increased thickness (2.20mm vs 1.80mm) does not conflict with PCB layout constraints.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients?

A: X7R and C0G/NP0 are both temperature coefficient classifications for ceramic capacitors. Both maintain stable capacitance across the -55°C ~ 125°C operating range. C0G/NP0 provides superior stability with tighter capacitance variation over temperature. Both are acceptable for general purpose applications within the specified temperature range.

Q: Are there dimensional compatibility concerns with the C4532C0G3F331K250KA?

A: The C4532C0G3F331K250KA has slightly reduced length (4.50mm vs 4.60mm) and significantly increased thickness (2.80mm vs 1.80mm). Verify PCB footprint and vertical clearance before substitution. The reduced length may provide layout benefits; the increased thickness requires clearance verification above the component.

Q: Do all substitute parts meet compliance requirements?

A: Yes. All parts listed are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control. Moisture Sensitivity Level is 1 (Unlimited) for all parts, indicating no special moisture handling requirements.

Q: What inventory considerations apply to these substitutes?

A: The 1812GC331MAT1A has 876 pcs in stock. The 1812HA331KAT1A has 7109 pcs available. The C4532C0G3F331K250KA has 17695 pcs available. Higher inventory availability exists for both substitute parts.