Equivalent & Substitute Parts for 1812GC331MAT1A

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 and package specifications are maintained while allowing for improved electrical performance characteristics such as higher voltage ratings or tighter tolerance specifications.

Substiute Parts

1812GC331MAT1A

KYOCERA AVXIn Stock: 7941812GC331MAT1A 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 for the 1812GC331MAT1A is based on the following criteria:

Primary Matching Parameters:

• Capacitance value: 330 pF (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)
• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Allowable Variations:

• Voltage Rating: May be equal to or higher than 2000V
• Tolerance: May be equal to or tighter than ±20%
• Temperature Coefficient: May differ (X7R, C0G/NP0) based on application requirements
• Manufacturer: Different manufacturers permitted

The substitute parts listed maintain all primary matching parameters while offering enhanced electrical characteristics through higher voltage ratings and improved tolerance specifications.

Parameter Comparison

Engineering Selection Recommendations

Both substitute parts maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance.

1812HA331KAT1A (KYOCERA AVX): This upgrade substitute provides 3000V (3kV) voltage rating with ±10% tolerance and C0G/NP0 temperature coefficient. Physical dimensions remain identical to the main part (0.181" L x 0.126" W), with increased thickness of 0.087" (2.20mm). This option maintains manufacturer continuity while offering improved electrical performance.

C4532C0G3F331K250KA (TDK Corporation): This manufacturer-recommended substitute provides 3000V (3kV) voltage rating with ±10% tolerance and C0G/NP0 temperature coefficient. Physical dimensions are 0.177" L x 0.126" W with maximum thickness of 0.110" (2.80mm). This option introduces a different manufacturer with higher inventory availability (17,695 pcs in stock).

Selection between substitutes depends on design constraints related to available board space (thickness and length dimensions) and manufacturer preference for supply chain management.

Frequently Asked Questions (FAQ)

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

A: Yes, provided the application tolerates the temperature coefficient change from X7R to C0G/NP0 and the increased thickness of 0.087" (2.20mm). The higher 3000V rating and tighter ±10% tolerance are compatible with all circuits designed for the original 2000V, 330 pF specification.

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

A: X7R provides ±15% capacitance change over the -55°C to 125°C temperature range. C0G/NP0 provides ±30 ppm/°C, resulting in minimal capacitance variation across temperature. Selection depends on circuit sensitivity to capacitance drift.

Q: Can C4532C0G3F331K250KA be used if board space is limited?

A: The C4532C0G3F331K250KA has a maximum thickness of 0.110" (2.80mm), compared to 0.071" (1.80mm) for the original part. Length is 0.177" versus 0.181". Verify available board clearance before selection.

Q: Are all three parts pin-compatible?

A: Yes. All three parts use 1812 (4532 Metric) surface mount package with identical pin spacing and mounting requirements.

Q: What inventory considerations apply to these substitutes?

A: 1812GC331MAT1A: 753 pcs in stock. 1812HA331KAT1A: 7,109 pcs in stock. C4532C0G3F331K250KA: 17,695 pcs in stock. Higher inventory availability exists for the TDK substitute.