1812WC102MATME Equivalent & Substitute Parts

Part Overview

The 1812WC102MATME is a 1000 pF ceramic capacitor rated at 2500V (2.5kV) with X7R temperature coefficient, manufactured by KYOCERA AVX in 1812 (4532 Metric) surface mount package. This high-voltage MLCC is designed for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is ROHS3 compliant with MSL 1 rating, indicating unlimited moisture sensitivity protection. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances.

Substiute Parts

1812WC102MATME

KYOCERA AVXIn Stock: 11581812WC102MATME Datasheet

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1812HC102KAT1A

KYOCERA AVXIn Stock: 25031812HC102KAT1A Datasheet

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1812WC102KAT1A

KYOCERA AVXIn Stock: 28691812WC102KAT1A Datasheet

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KGM43FR73U102KV

KYOCERA AVXIn Stock: 3187KGM43FR73U102KV Datasheet

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KGM43FR73U102MV

KYOCERA AVXIn Stock: 1494KGM43FR73U102MV Datasheet

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C1812C102KHRAC7800

KEMETIn Stock: 1416C1812C102KHRAC7800 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1812WC102MATME is determined by the following criteria:

Primary Compatibility Requirements:

• Capacitance value: 1000 pF (exact match required)
• Package / Case: 1812 (4532 Metric) (exact match required)
• Temperature Coefficient: X7R (exact match required)
• Mounting Type: Surface Mount, MLCC (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)

Allowable Parameter Variations:

• Voltage Rating: Equal to or greater than 2500V
• Tolerance: ±10% or ±20% (both acceptable for general-purpose applications)
• Manufacturer: KYOCERA AVX or equivalent qualified manufacturer
• RoHS / REACH Compliance: ROHS3 Compliant and REACH Unaffected (maintained across all substitutes)

Identified substitute parts meet all primary compatibility requirements and maintain or exceed voltage rating specifications. Physical dimensions remain within acceptable tolerances for the 1812 package classification.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain ROHS3 compliance and REACH Unaffected status, consistent with the original 1812WC102MATME specification. Selection between substitutes should be based on the following engineering considerations:

Direct Replacement (Same Voltage Rating): The 1812WC102KAT1A provides direct electrical substitution with improved tolerance specification (±10% versus ±20%), maintaining identical voltage rating of 2500V. This part is suitable for applications where tighter capacitance tolerance is beneficial without requiring voltage derating.

Upgraded Voltage Rating Substitutes: The 1812HC102KAT1A, KGM43FR73U102KV, KGM43FR73U102MV, and C1812C102KHRAC7800 all provide 3000V rating, exceeding the original 2500V specification. These parts are electrically compatible and mechanically interchangeable within the 1812 package envelope. The KGM series represents KYOCERA AVX's dedicated high-voltage line. The KEMET C1812C102KHRAC7800 offers the lowest profile thickness at 0.071" (1.80mm), which may be advantageous in space-constrained applications.

Tolerance Considerations: Parts with ±10% tolerance (1812WC102KAT1A, 1812HC102KAT1A, KGM43FR73U102KV, C1812C102KHRAC7800) provide superior capacitance stability compared to the original ±20% specification. The KGM43FR73U102MV maintains ±20% tolerance matching the original part.

All substitute parts are active products with confirmed inventory availability and maintain the same operating temperature range of -55°C to 125°C.

Frequently Asked Questions (FAQ)

Q: Can 1812WC102KAT1A be used as a direct replacement for 1812WC102MATME?

A: Yes. Both parts share identical capacitance (1000 pF), voltage rating (2500V), temperature coefficient (X7R), and package (1812). The 1812WC102KAT1A offers improved tolerance specification (±10% versus ±20%) with no electrical or mechanical incompatibility.

Q: What is the advantage of using 1812HC102KAT1A or KGM43FR73U102KV over the original part?

A: These substitutes provide a higher voltage rating of 3000V compared to the original 2500V specification. This allows operation with greater voltage margin in the same physical package. Both maintain X7R temperature coefficient and ±10% tolerance. The KGM series is KYOCERA AVX's dedicated high-voltage ceramic capacitor line.

Q: Are there physical dimension differences between substitute parts?

A: Yes. While all parts conform to the 1812 (4532 Metric) package classification, thickness varies. The original 1812WC102MATME has a maximum thickness of 0.110" (2.80mm). The 1812HC102KAT1A and KGM series parts are thinner at 0.087" (2.20-2.21mm). The KEMET C1812C102KHRAC7800 is the thinnest at 0.071" (1.80mm). These dimensional differences must be verified against PCB layout constraints and component clearance requirements.

Q: Can KEMET C1812C102KHRAC7800 replace KYOCERA AVX parts?

A: Yes. The C1812C102KHRAC7800 meets all primary compatibility criteria: 1000 pF capacitance, 3000V rating, X7R temperature coefficient, 1812 package, and identical operating temperature range. It is ROHS3 compliant with MSL 1 rating. The primary difference is manufacturer and the lower profile thickness (0.071" versus 0.087-0.110").

Q: Which substitute part should be selected for maximum design margin?

A: Selection depends on specific application requirements. For voltage margin, any 3000V-rated substitute (1812HC102KAT1A, KGM43FR73U102KV, KGM43FR73U102MV, or C1812C102KHRAC7800) provides 20% additional voltage headroom. For capacitance tolerance, parts with ±10% specification provide tighter control. For space-constrained designs, the C1812C102KHRAC7800 offers minimum thickness.

Q: Are all substitute parts available in the same packaging format?

A: The original 1812WC102MATME is specified with bulk packaging. Substitute parts are available in Tape & Reel (TR) format (1812WC102KAT1A, 1812HC102KAT1A, KGM43FR73U102KV, KGM43FR73U102MV) or Cut Tape (CT) & Digi-Reel format (C1812C102KHRAC7800). Packaging format should be verified against procurement and assembly requirements.