1812SC472MAT1A Ceramic Capacitor - Equivalent & Substitute Parts

Part Overview

The 1812SC472MAT1A is a 4700 pF high-voltage ceramic capacitor manufactured by KYOCERA AVX with an X7R temperature coefficient and 1500V rated voltage. This surface-mount multilayer ceramic capacitor (MLCC) in 1812 (4532 metric) package is designed for general-purpose applications requiring stable capacitance across operating temperatures from -55°C to 125°C. The part is active and ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, or upgrade voltage ratings while maintaining core electrical and mechanical compatibility.

Substiute Parts

1812SC472MAT1A\SB

KYOCERA AVXIn Stock: 7951812SC472MAT1A\SB Datasheet

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1812GC472KAT1A

KYOCERA AVXIn Stock: 77511812GC472KAT1A Datasheet

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1812GC472MAT1A

KYOCERA AVXIn Stock: 41431812GC472MAT1A Datasheet

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KGM43FR73D472KV

KYOCERA AVXIn Stock: 3679KGM43FR73D472KV Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1812SC472MAT1A is determined by strict equivalence in the following parameters:

• Capacitance Value: 4700 pF (exact match required)
• Temperature Coefficient: X7R (ensures stable performance across -55°C to 125°C)
• Package / Case: 1812 (4532 Metric) (ensures mechanical and PCB footprint compatibility)
• Mounting Type: Surface Mount, MLCC (maintains assembly process compatibility)
• Physical Dimensions: 4.60mm L × 3.20mm W (ensures placement compatibility)

Substitute parts may differ in:

• Voltage Rating: Upgrades from 1500V to 2000V are acceptable as they provide higher voltage margin while maintaining all other electrical characteristics
• Tolerance: Variations between ±10% and ±20% are acceptable depending on circuit requirements
• Packaging Format: Cut Tape (CT), Digi-Reel, or Tape & Reel (TR) formats are interchangeable for procurement purposes

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and active product status.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed are active products with ROHS3 compliance and MSL 1 rating, ensuring regulatory compliance and manufacturing compatibility with the original 1812SC472MAT1A.

1812GC472KAT1A provides a voltage upgrade to 2000V with tighter tolerance (±10%), suitable for applications requiring higher voltage margin and improved capacitance stability.

1812GC472MAT1A offers a voltage upgrade to 2000V while maintaining the ±20% tolerance of the original part, providing direct functional upgrade with identical tolerance characteristics.

KGM43FR73D472KV from the KGM HV series delivers 2000V rating with ±10% tolerance and represents an alternative manufacturer series option within KYOCERA AVX portfolio, with maximum thickness of 2.21mm (0.01mm variance from original).

Selection between substitute parts depends on circuit voltage requirements, tolerance specifications, and packaging format availability. All parts maintain identical capacitance value, temperature coefficient, operating temperature range, and PCB footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Can 1812GC472KAT1A replace 1812SC472MAT1A directly?

A: Yes. Both parts share identical capacitance (4700 pF), temperature coefficient (X7R), package (1812/4532 metric), and physical footprint (4.60mm × 3.20mm). The 1812GC472KAT1A provides higher voltage rating (2000V vs 1500V) and tighter tolerance (±10% vs ±20%), making it a direct upgrade-compatible substitute.

Q: What is the difference between ±10% and ±20% tolerance?

A: Tolerance specifies the allowable deviation of actual capacitance from the nominal 4700 pF value. ±10% tolerance allows deviation between 4230 pF and 5170 pF, while ±20% allows 3760 pF to 5640 pF. Applications requiring tighter capacitance control should use ±10% parts.

Q: Are the physical dimensions identical across all substitute parts?

A: Dimensions are functionally identical. Length and width are 4.60mm × 3.20mm for all parts. Maximum thickness is 2.20mm for 1812SC472MAT1A, 1812GC472KAT1A, and 1812GC472MAT1A, with KGM43FR73D472KV at 2.21mm maximum (0.01mm variance). This minimal variance does not affect PCB placement or assembly compatibility.

Q: Why would I choose a higher voltage rating substitute?

A: Higher voltage rating (2000V vs 1500V) provides increased safety margin and reliability in circuits operating near the original voltage specification. This is particularly beneficial in high-voltage applications or where voltage transients may occur.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity), matching the environmental and regulatory compliance of the original 1812SC472MAT1A.

Q: Does packaging format (Cut Tape, Digi-Reel, Tape & Reel) affect electrical performance?

A: No. Packaging format affects only procurement and assembly logistics, not electrical characteristics or performance. Selection depends on manufacturing equipment compatibility and supply chain requirements.