KYOCERA AVX 1812GC332MAT1A Ceramic Capacitor - Equivalent & Substitute Parts

Part Overview

The KYOCERA AVX 1812GC332MAT1A is a high-voltage ceramic capacitor with a capacitance of 3300 pF, rated for 2000V (2kV) operation, and features an X7R temperature coefficient. This surface-mount multilayer ceramic capacitor (MLCC) in 1812 (4532 Metric) package is designed for general-purpose applications requiring stable performance across the -55°C to 125°C operating temperature range. The part is currently active in production with 845 units in stock. Equivalent and substitute parts are identified to provide design flexibility, inventory alternatives, and performance upgrades when required for specific application requirements.

Substiute Parts

1812GC332MAT1A\SB
KYOCERA AVXIn Stock: 8671812GC332MAT1A\SB Datasheet
1812GC332MAT1A\SB
Current Part
1812HC332KAT1A
KYOCERA AVXIn Stock: 70741812HC332KAT1A Datasheet
1812HC332KAT1A
Upgrade

Key Parameters

Parameter Value
Capacitance 3300 pF
Voltage Rating 2000V (2kV)
Tolerance ±20%
Temperature Coefficient X7R
Operating Temperature Range -55°C to 125°C
Package / Case 1812 (4532 Metric)
Mounting Type Surface Mount, MLCC
Physical Dimensions 0.181" L × 0.126" W (4.60mm × 3.20mm)
Thickness 0.087" (2.20mm)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 1812GC332MAT1A is determined by the following critical parameters:

Mandatory Matching Parameters:

  • Capacitance: 3300 pF (exact match required)
  • Temperature Coefficient: X7R (ensures stable capacitance across operating temperature range)
  • Package / Case: 1812 (4532 Metric) (ensures mechanical and electrical compatibility with PCB footprints)
  • Mounting Type: Surface Mount, MLCC (maintains assembly process compatibility)
  • Operating Temperature Range: -55°C to 125°C (minimum requirement)

Allowable Variation Parameters:

  • Voltage Rating: May be equal to or greater than 2000V (higher voltage ratings provide design margin and reliability enhancement)
  • Tolerance: May be equal to or tighter than ±20% (tighter tolerances improve circuit performance)
  • Physical Thickness: May vary within PCB assembly constraints

The substitute part 1812HC332KAT1A meets all mandatory matching criteria while providing enhanced voltage rating (3000V) and improved tolerance (±10%), making it a direct upgrade substitute for the 1812GC332MAT1A.

Parameter Comparison

Parameter 1812GC332MAT1A (Main Part) 1812HC332KAT1A (Substitute)
Manufacturer KYOCERA AVX KYOCERA AVX
Capacitance 3300 pF 3300 pF
Tolerance ±20% ±10%
Voltage Rating 2000V (2kV) 3000V (3kV)
Temperature Coefficient X7R X7R
Operating Temperature -55°C to 125°C -55°C to 125°C
Package / Case 1812 (4532 Metric) 1812 (4532 Metric)
Mounting Type Surface Mount, MLCC Surface Mount, MLCC
Physical Dimensions (L × W) 0.181" × 0.126" (4.60mm × 3.20mm) 0.181" × 0.126" (4.60mm × 3.20mm)
Thickness (Max) 0.087" (2.20mm) 0.110" (2.80mm)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
Product Status Active Active

Engineering Selection Recommendations

Both the 1812GC332MAT1A and 1812HC332KAT1A are active production parts from KYOCERA AVX with full ROHS3 compliance and unlimited moisture sensitivity rating. The 1812HC332KAT1A represents an upgrade substitute offering enhanced electrical performance through higher voltage rating (3000V vs. 2000V) and improved tolerance specification (±10% vs. ±20%). Both parts maintain identical capacitance, temperature coefficient, operating temperature range, and footprint compatibility. Selection between these parts depends on application voltage requirements and tolerance specifications. The substitute part is suitable for applications requiring higher voltage margin or tighter capacitance tolerance while maintaining identical PCB assembly compatibility.

Frequently Asked Questions (FAQ)

Q: Can the 1812HC332KAT1A replace the 1812GC332MAT1A in existing designs?

A: Yes. Both parts share identical capacitance (3300 pF), temperature coefficient (X7R), package footprint (1812/4532 Metric), and operating temperature range (-55°C to 125°C). The substitute part provides higher voltage rating and tighter tolerance, making it electrically and mechanically compatible with existing PCB layouts.

Q: What is the primary difference between these two parts?

A: The 1812HC332KAT1A provides enhanced voltage rating (3000V vs. 2000V) and improved tolerance (±10% vs. ±20%). Physical thickness increases from 0.087" to 0.110", which must be verified against PCB assembly clearance specifications.

Q: Are there any packaging differences?

A: The main part (1812GC332MAT1A) is specified with standard packaging, while the substitute (1812HC332KAT1A) is supplied in Tape & Reel (TR) format. Both maintain identical component dimensions and footprint specifications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes. Both carry unlimited moisture sensitivity rating (MSL 1).

Q: What applications are these capacitors suitable for?

A: Both parts are rated for general-purpose applications requiring high-voltage ceramic capacitance with stable performance across extended temperature ranges.

Request Quote (Ships tomorrow)