1812GC471MAT3A\SB Equivalent & Substitute Parts

Part Overview

The 1812GC471MAT3A\SB is a 470 pF ceramic capacitor rated for 2000V (2kV) 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 currently active in production with 650 pieces in stock. Equivalent and substitute parts are identified when electrical parameters (capacitance, voltage rating, tolerance, temperature coefficient) and mechanical specifications (package size, mounting type) align within acceptable engineering tolerances.

Substiute Parts

1812GC471MAT3A\SB

KYOCERA AVXIn Stock: 7281812GC471MAT3A\SB Datasheet

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1812GA471JAT1A

KYOCERA AVXIn Stock: 33631812GA471JAT1A Datasheet

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1812GC471KAT1A

KYOCERA AVXIn Stock: 24051812GC471KAT1A Datasheet

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1812HC471KAT1A

KYOCERA AVXIn Stock: 86941812HC471KAT1A Datasheet

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KGM43ER73U471KV

KYOCERA AVXIn Stock: 1150KGM43ER73U471KV Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1812GC471MAT3A\SB is determined by the following critical parameters:

• Capacitance Value: Must remain 470 pF
• Package / Case: Must be 1812 (4532 Metric) for mechanical compatibility
• Mounting Type: Must be Surface Mount, MLCC
• Voltage Rating: Equal to or greater than 2000V
• Temperature Coefficient: X7R or C0G/NP0 (both acceptable for general-purpose applications)
• Operating Temperature Range: Must support -55°C to 125°C
• Compliance: RoHS3 and REACH status must be maintained

Substitute parts are grouped into two categories:

Category 1 - Direct Equivalents (Same Voltage Rating): Parts maintaining 2000V rating with improved tolerance specifications.

Category 2 - Upgraded Equivalents (Higher Voltage Rating): Parts with 3000V rating, providing enhanced voltage margin while maintaining all other mechanical and electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

1812GA471JAT1A is a direct equivalent with improved tolerance (±5% versus ±20%) and identical 2000V voltage rating. The temperature coefficient differs (C0G/NP0 versus X7R), providing superior capacitance stability across temperature extremes. Thickness increases to 0.087" (2.20mm), requiring PCB layout verification for height-constrained applications. All compliance certifications (ROHS3, REACH Unaffected) are maintained. Inventory availability is high at 3300 pieces.

1812GC471KAT1A maintains identical electrical and mechanical specifications to the original part with improved tolerance (±10% versus ±20%) and matching X7R temperature coefficient. Voltage rating remains 2000V. Thickness is unchanged at 0.071" (1.80mm). This part provides a direct drop-in replacement with tighter tolerance control. Inventory availability is 2300 pieces.

1812HC471KAT1A and KGM43ER73U471KV both provide upgraded voltage rating of 3000V (3kV) while maintaining all other mechanical and electrical compatibility. Both feature ±10% tolerance and X7R temperature coefficient. Thickness remains 0.071" (1.80mm). The 3000V rating provides enhanced voltage margin for applications operating near the 2000V limit. 1812HC471KAT1A inventory is 8662 pieces; KGM43ER73U471KV (KGM - HV series) inventory is 1135 pieces. Both maintain full compliance certifications.

All substitute parts are active products with ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can 1812GA471JAT1A replace 1812GC471MAT3A\SB in all applications?

A: 1812GA471JAT1A is electrically compatible with identical 470 pF capacitance and 2000V voltage rating. The primary differences are improved tolerance (±5% versus ±20%) and C0G/NP0 temperature coefficient (versus X7R). The increased thickness of 0.087" (2.20mm) versus 0.071" (1.80mm) requires verification that PCB layout accommodates the additional height. Applications requiring X7R temperature stability should confirm C0G/NP0 performance is acceptable.

Q: What is the advantage of selecting 1812HC471KAT1A or KGM43ER73U471KV?

A: Both parts provide 3000V voltage rating compared to the original 2000V rating. This 50% voltage margin increase is beneficial for applications operating near maximum voltage limits or requiring enhanced reliability margins. All other parameters (470 pF capacitance, ±10% tolerance, X7R temperature coefficient, 1812 package) remain compatible. Thickness is unchanged at 0.071" (1.80mm).

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

A: 1812GA471JAT1A is supplied in Cut Tape (CT) & Digi-Reel® packaging. 1812GC471KAT1A, 1812HC471KAT1A, and KGM43ER73U471KV are supplied in Tape & Reel (TR) packaging. Packaging selection depends on production volume and assembly equipment compatibility.

Q: Do all substitute parts maintain RoHS3 and REACH compliance?

A: All substitute parts are ROHS3 Compliant. 1812GA471JAT1A, 1812GC471KAT1A, and 1812HC471KAT1A are REACH Unaffected. KGM43ER73U471KV is also REACH Unaffected. Moisture Sensitivity Level is 1 (Unlimited) for all parts, indicating no special moisture handling requirements.

Q: Which substitute part offers the best tolerance specification?

A: 1812GA471JAT1A provides the tightest tolerance at ±5%, compared to ±10% for 1812GC471KAT1A, 1812HC471KAT1A, and KGM43ER73U471KV, and ±20% for the original 1812GC471MAT3A\SB. Tighter tolerance is beneficial for precision circuit applications where capacitance variation must be minimized.

Q: Can I use 1812HC471KAT1A or KGM43ER73U471KV in a circuit designed for 2000V operation?

A: Yes. Both parts are rated for 3000V, which exceeds the 2000V requirement. Higher voltage rating does not degrade performance in lower-voltage applications. The 3000V rating provides additional safety margin and may extend component lifetime in high-stress environments.