1812SC271MATME Equivalent & Substitute Parts

Part Overview

The 1812SC271MATME is a 270 pF ceramic capacitor rated at 1500V (1.5kV) with X7R temperature coefficient, manufactured by KYOCERA AVX in 1812 (4532 Metric) surface mount package. This component is designed for general-purpose high-voltage applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent parts are identified when they maintain the same capacitance value, package footprint, and voltage rating specifications, or when they provide superior electrical performance within compatible mechanical constraints.

Substiute Parts

1812SC271MATME

KYOCERA AVXIn Stock: 8041812SC271MATME Datasheet

Current PartRFQ

C4532C0G3F271K230KA

TDK CorporationIn Stock: 2834C4532C0G3F271K230KA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1812SC271MATME is determined by the following critical parameters:

• Capacitance Value: Must be 270 pF to maintain circuit function
• Package Footprint: Must be 1812 (4532 Metric) for mechanical compatibility with PCB layout
• Voltage Rating: Must be equal to or greater than 1500V to ensure safe operation under rated conditions
• Temperature Coefficient: X7R or C0G/NP0 are acceptable, as both provide stable performance across -55°C to 125°C
• Mounting Type: Surface Mount, MLCC only
• Compliance: ROHS3 compliance required for regulatory alignment

The substitute part C4532C0G3F271K230KA meets all substitution criteria with enhanced specifications: it maintains the 270 pF capacitance and 1812 package, exceeds the voltage requirement at 3000V (3kV), and uses C0G/NP0 temperature coefficient which provides tighter tolerance (±10% vs ±20%) and superior stability.

Parameter Comparison

Engineering Selection Recommendations

The C4532C0G3F271K230KA substitute is electrically and mechanically compatible with the 1812SC271MATME. Both components are ROHS3 compliant and REACH unaffected, meeting regulatory requirements for industrial and commercial applications.

The substitute provides superior electrical performance: the 3000V rating provides 100% voltage margin above the 1500V requirement, and the C0G/NP0 temperature coefficient with ±10% tolerance offers improved capacitance stability compared to the X7R ±20% specification of the main part.

Physical dimensions are compatible within PCB layout tolerances. The substitute is 0.7mm shorter in length (4.50mm vs 4.60mm) and 0.7mm thicker (2.50mm vs 1.80mm), which may require verification in space-constrained applications.

The main part (1812SC271MATME) is currently in active production status with 695 units in stock. The substitute (C4532C0G3F271K230KA) is designated Last Time Buy status with 2731 units available, indicating reduced future availability.

Frequently Asked Questions (FAQ)

Q: Can C4532C0G3F271K230KA be used as a direct replacement for 1812SC271MATME?

A: Yes. Both components have identical capacitance (270 pF), package footprint (1812/4532 Metric), and operating temperature range (-55°C to 125°C). The substitute exceeds the voltage requirement (3000V vs 1500V) and provides tighter tolerance (±10% vs ±20%).

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

A: Both temperature coefficients maintain stable capacitance across -55°C to 125°C. C0G/NP0 provides superior stability with minimal capacitance drift, while X7R allows slightly greater capacitance variation. For this application, both are functionally equivalent.

Q: Are there physical dimension concerns with the substitute?

A: The substitute is 0.7mm shorter in length and 0.7mm thicker than the main part. Verify clearance in your PCB layout, particularly in height-constrained applications or near adjacent components.

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

A: No. Higher voltage rating does not degrade performance in circuits operating at lower voltages. The 3000V rating of the substitute provides additional safety margin and reliability headroom.

Q: What is the significance of "Last Time Buy" status for the substitute?

A: Last Time Buy indicates the manufacturer is discontinuing production. Existing inventory (2731 units) is available, but future procurement may not be possible. Plan long-term sourcing accordingly.

Q: Are both parts RoHS compliant?

A: Yes. Both 1812SC271MATME and C4532C0G3F271K230KA are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements.