1812HA221MAT1A\SB Equivalent & Substitute Parts

Part Overview

The 1812HA221MAT1A\SB is a 220 pF high-voltage ceramic capacitor manufactured by KYOCERA AVX, rated for 3000V (3kV) operation with C0G/NP0 temperature coefficient characteristics. This surface-mount multilayer ceramic capacitor (MLCC) in 1812 (4532 Metric) package format is designed for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part maintains Active product status with 811 pieces currently in stock. Equivalent and substitute parts are identified to support procurement flexibility, design redundancy, and supply chain continuity.

Substiute Parts

1812HA221MAT1A\SB

KYOCERA AVXIn Stock: 8841812HA221MAT1A\SB Datasheet

Current PartRFQ

C4532C0G3F221K200KA

TDK CorporationIn Stock: 40033C4532C0G3F221K200KA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1812HA221MAT1A\SB is determined by the following critical parameters:

• Capacitance value: 220 pF (exact match required)
• Voltage rating: 3000V minimum (equal or higher acceptable)
• Temperature coefficient: C0G/NP0 (required for stability)
• Package format: 1812 (4532 Metric) (physical and electrical compatibility)
• Mounting type: Surface Mount, MLCC (assembly compatibility)
• Compliance certifications: ROHS3 Compliant, REACH Unaffected (regulatory alignment)

The substitute part C4532C0G3F221K200KA from TDK Corporation meets all substitution criteria. While tolerance differs (±10% versus ±20%), the substitute maintains identical capacitance, voltage rating, temperature coefficient, package dimensions, and regulatory compliance status.

Parameter Comparison

Engineering Selection Recommendations

Both the 1812HA221MAT1A\SB and C4532C0G3F221K200KA are Active product status components with full regulatory compliance (ROHS3 Compliant, REACH Unaffected). The TDK substitute offers improved tolerance specification (±10% versus ±20%), which may provide tighter capacitance control in applications requiring enhanced precision. Physical dimensions are compatible within standard PCB assembly tolerances, with length variation of 0.1mm (0.004") between parts. Both components maintain identical voltage rating, temperature coefficient stability, and moisture sensitivity classification. Selection between these parts should be based on procurement availability, cost considerations, and application-specific tolerance requirements.

Frequently Asked Questions (FAQ)

Q: Can the C4532C0G3F221K200KA substitute for the 1812HA221MAT1A\SB in existing designs?

A: Yes. Both parts share identical capacitance (220 pF), voltage rating (3kV), temperature coefficient (C0G/NP0), package format (1812/4532 Metric), and regulatory compliance status. The substitute is physically and electrically compatible for direct replacement.

Q: What is the significance of the tolerance difference (±20% versus ±10%)?

A: Tolerance defines the acceptable deviation from the nominal 220 pF capacitance value. The ±20% specification allows 176–264 pF, while ±10% allows 198–242 pF. Applications requiring tighter capacitance control should specify the ±10% tolerance part.

Q: Are there physical dimension differences between these parts?

A: Minor length variation exists: 1812HA221MAT1A\SB measures 4.60mm length, while C4532C0G3F221K200KA measures 4.50mm. Both maintain 3.20mm width and 2.20mm maximum thickness. This 0.1mm difference is within standard PCB assembly tolerances and does not affect footprint compatibility.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both components are ROHS3 Compliant and REACH Unaffected, ensuring compliance with current environmental and hazardous substance regulations.

Q: What is the Moisture Sensitivity Level (MSL) rating, and why does it matter?

A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. These components can be stored and handled without special moisture control measures, simplifying logistics and inventory management.