1812HA151MAT1A\SB Equivalent & Substitute Parts

Part Overview

The 1812HA151MAT1A\SB is a high-voltage ceramic capacitor manufactured by KYOCERA AVX with a capacitance of 150 pF, rated for 3000V (3kV), and featuring C0G/NP0 temperature coefficient characteristics. This surface-mount multilayer ceramic capacitor (MLCC) in 1812 (4532 Metric) package is designed for general-purpose applications requiring stable capacitance across temperature ranges from -55°C to 125°C. The part is currently in active production status with 1158 pieces available in new original inventory. Equivalent and substitute parts are identified to provide design flexibility, ensure supply chain continuity, and accommodate specific packaging or tolerance requirements.

Substiute Parts

1812HA151MAT1A\SB

KYOCERA AVXIn Stock: 11811812HA151MAT1A\SB Datasheet

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C4532C0G3F151K160KA

TDK CorporationIn Stock: 24980C4532C0G3F151K160KA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1812HA151MAT1A\SB is determined by strict equivalence in the following critical parameters:

• Capacitance Value: 150 pF (exact match required)
• Voltage Rating: 3000V (3kV) minimum (equal or higher acceptable)
• Temperature Coefficient: C0G/NP0 (mandatory for stability requirements)
• Package / Case: 1812 (4532 Metric) (physical and electrical compatibility)
• Mounting Type: Surface Mount, MLCC (assembly compatibility)
• Operating Temperature Range: -55°C to 125°C (functional equivalence)
• Compliance: ROHS3 Compliant, REACH Unaffected (regulatory alignment)

The substitute part C4532C0G3F151K160KA from TDK Corporation meets all critical substitution criteria. Tolerance differences (±20% vs. ±10%) and minor dimensional variations are within acceptable engineering parameters for this application category.

Parameter Comparison

Engineering Selection Recommendations

Both the 1812HA151MAT1A\SB and C4532C0G3F151K160KA are active production components with full regulatory compliance (ROHS3 Compliant, REACH Unaffected). The TDK substitute offers improved tolerance specification (±10% vs. ±20%), which may provide enhanced circuit performance in applications requiring tighter capacitance control. Both parts maintain identical voltage rating, temperature coefficient, and operating temperature range, ensuring functional equivalence in high-voltage applications. The minor dimensional differences (length 4.60mm vs. 4.50mm, thickness 1.45mm vs. 1.80mm) are within standard PCB layout tolerances for 1812 package footprints. Selection between these parts should be based on availability, packaging format requirements (Tape & Reel for TDK substitute), and tolerance specifications appropriate to the circuit design.

Frequently Asked Questions (FAQ)

Q: Can the C4532C0G3F151K160KA replace the 1812HA151MAT1A\SB in existing designs?

A: Yes. Both parts share identical capacitance (150 pF), voltage rating (3kV), temperature coefficient (C0G/NP0), and package footprint (1812/4532 Metric). The TDK substitute features tighter tolerance (±10% vs. ±20%), which is a functional improvement. Minor dimensional variations are within standard PCB layout tolerances.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution is determined by exact match in capacitance value (150 pF), voltage rating (3kV minimum), temperature coefficient (C0G/NP0), package type (1812/4532 Metric), and mounting method (Surface Mount, MLCC). Operating temperature range (-55°C to 125°C) and compliance certifications (ROHS3, REACH) must also align.

Q: Are there packaging differences between these parts?

A: The KYOCERA AVX part (1812HA151MAT1A\SB) is available in standard packaging, while the TDK substitute (C4532C0G3F151K160KA) is supplied in Tape & Reel (TR) format. Both are compatible with automated assembly processes. Verify packaging requirements with your procurement or assembly team.

Q: Does the tolerance difference (±20% vs. ±10%) affect circuit performance?

A: The TDK substitute with ±10% tolerance provides tighter capacitance control compared to the KYOCERA AVX part with ±20% tolerance. For applications where precise capacitance is critical, the TDK part offers improved performance. For general-purpose applications, both tolerances are typically acceptable.

Q: Are both parts compliant with current regulatory standards?

A: Yes. Both the 1812HA151MAT1A\SB and C4532C0G3F151K160KA are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic components.