1812SC221MAT1A\SB Equivalent & Substitute Parts

Part Overview

The 1812SC221MAT1A\SB is a 220 pF ceramic capacitor manufactured by KYOCERA AVX, rated for 1500V (1.5kV) operation with X7R temperature coefficient characteristics. This component is classified as an Active product with full inventory availability (913 Pcs in stock). The part is designed for general-purpose high-voltage applications requiring surface-mount multilayer ceramic capacitor (MLCC) technology in the 1812 (4532 Metric) package format.

Equivalent and substitute parts are identified when they maintain the same capacitance value, package footprint, and mounting technology while meeting or exceeding the electrical performance requirements of the original specification.

Substiute Parts

1812SC221MAT1A\SB

KYOCERA AVXIn Stock: 9831812SC221MAT1A\SB Datasheet

Current PartRFQ

C4532C0G3F221K200KA

TDK CorporationIn Stock: 40033C4532C0G3F221K200KA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1812SC221MAT1A\SB is determined by the following criteria:

Critical Parameters (Must Match or Exceed):

• Capacitance: 220 pF (exact match required)
• Package / Case: 1812 (4532 Metric) (physical footprint compatibility)
• Mounting Type: Surface Mount, MLCC (assembly compatibility)
• Operating Temperature Range: -55°C ~ 125°C (minimum requirement)
• RoHS Status: ROHS3 Compliant (regulatory compliance)

Allowable Variations:

• Voltage Rating: Substitute parts may exceed the 1500V requirement
• Temperature Coefficient: C0G/NP0 is acceptable as an alternative to X7R (both provide stable performance across the operating temperature range)
• Tolerance: ±10% is acceptable as a tighter tolerance than ±20%
• Moisture Sensitivity Level: MSL 1 is maintained

The identified substitute part C4532C0G3F221K200KA meets all critical parameters while providing enhanced voltage rating (3000V) and improved tolerance specification (±10%).

Parameter Comparison

Engineering Selection Recommendations

Both the 1812SC221MAT1A\SB and C4532C0G3F221K200KA are Active products with full regulatory compliance (ROHS3 and REACH). The substitute part C4532C0G3F221K200KA provides enhanced electrical performance through doubled voltage rating (3000V versus 1500V) and improved capacitance tolerance (±10% versus ±20%), while maintaining identical package footprint compatibility and operating temperature specifications.

Selection between these parts should be based on circuit voltage requirements and tolerance specifications. The TDK C4532C0G3F221K200KA is suitable for applications requiring higher voltage margin or tighter capacitance tolerance. Both parts are qualified for general-purpose high-voltage applications and are available in production quantities.

Frequently Asked Questions (FAQ)

Q: Can the C4532C0G3F221K200KA replace the 1812SC221MAT1A\SB in existing designs?

A: Yes. Both parts share identical capacitance (220 pF), package footprint (1812 / 4532 Metric), and mounting technology (Surface Mount MLCC). The substitute part meets or exceeds all electrical specifications of the original part.

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

A: Both X7R and C0G are temperature-stable dielectric materials suitable for the -55°C ~ 125°C operating range. C0G (also designated NP0) provides superior temperature stability and lower capacitance drift. Both are acceptable for general-purpose applications within the specified temperature range.

Q: Are there physical compatibility concerns between these parts?

A: Both parts use the 1812 (4532 Metric) package with compatible footprints. The substitute part has slightly different length (4.50mm vs 4.60mm) and thickness (2.20mm vs 1.80mm) dimensions. Verify PCB layout clearances for the increased thickness before implementation.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the 1812SC221MAT1A\SB and C4532C0G3F221K200KA are ROHS3 Compliant, REACH Unaffected, and classified under ECCN EAR99 with identical HTSUS coding (8532.24.0020).

Q: What is the tolerance difference impact?

A: The substitute part provides ±10% tolerance versus ±20% for the original part. This represents tighter capacitance control and may improve circuit performance in applications sensitive to capacitance variation.