1812AA102MATME Equivalent & Substitute Parts

Part Overview

The 1812AA102MATME is a 1000 pF ±20% 1000V (1kV) ceramic capacitor with C0G/NP0 temperature coefficient in 1812 (4532 Metric) surface mount package. This component is manufactured by KYOCERA AVX and maintains Active product status. Equivalent and substitute parts are identified based on matching or enhanced electrical and mechanical parameters within the same package family, accommodating design flexibility for voltage rating, tolerance, and dielectric material requirements.

Key Parameters

Parameter	Value
Capacitance	1000 pF
Tolerance	±20%
Voltage Rating	1000V (1kV)
Temperature Coefficient	C0G, NP0
Package / Case	1812 (4532 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Parametric Equivalents maintain identical capacitance (1000 pF), voltage rating (1000V), temperature coefficient (C0G/NP0), and package (1812). These parts are direct functional replacements with no circuit redesign required.

Manufacturer Recommended Upgrades increase voltage rating (2000V or higher) or improve tolerance (±10% or ±5%) while maintaining the same capacitance, package, and operating temperature range. These upgrades provide enhanced performance margins and are compatible with existing PCB layouts.

Alternative Dielectric Materials substitute X7R temperature coefficient for C0G/NP0 while preserving capacitance, voltage rating, and package specifications. X7R dielectrics offer different temperature stability characteristics suitable for applications with relaxed temperature coefficient requirements.

Cross-Manufacturer Equivalents from KEMET provide identical or superior electrical specifications in the same 1812 package, with verified RoHS3 compliance and MSL 1 rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Thickness (Max)	Inventory Status
1812AA102MATME	KYOCERA AVX	1000 pF	±20%	1000V	C0G, NP0	0.087" (2.20mm)	704 Pcs
1812AA102MAT1A	KYOCERA AVX	1000 pF	±20%	1000V	C0G, NP0	0.087" (2.20mm)	4242 Pcs
1812AC102KAT1A	KYOCERA AVX	1000 pF	±10%	1000V	X7R	0.071" (1.80mm)	1655 Pcs
KGM43FCG3D102JV	KYOCERA AVX	1000 pF	±5%	2000V	C0G, NP0	0.087" (2.21mm)	6987 Pcs
1812GC102KAT1A	KYOCERA AVX	1000 pF	±10%	2000V	X7R	0.071" (1.80mm)	2100 Pcs
1812GC102MAT1A	KYOCERA AVX	1000 pF	±20%	2000V	X7R	0.071" (1.80mm)	14533 Pcs
1812WC102KAT1A	KYOCERA AVX	1000 pF	±10%	2500V	X7R	0.110" (2.80mm)	2778 Pcs
C1812C102KDGAC7800	KEMET	1000 pF	±10%	1000V	C0G, NP0	0.061" (1.55mm)	26783 Pcs
C1812C102KDRAC7800	KEMET	1000 pF	±10%	1000V	X7R	0.061" (1.55mm)	3755 Pcs
C1812C102KGRAC7800	KEMET	1000 pF	±10%	2000V	X7R	0.061" (1.55mm)	60226 Pcs
C1812C102KHRAC7800	KEMET	1000 pF	±10%	3000V	X7R	0.071" (1.80mm)	1390 Pcs

Engineering Selection Recommendations

Direct Parametric Equivalent: 1812AA102MAT1A provides identical electrical and mechanical specifications to the primary part with higher inventory availability (4242 pcs vs. 704 pcs). Both maintain ROHS3 compliance, MSL 1 rating, and Active product status.

For Enhanced Voltage Margin: KGM43FCG3D102JV (KYOCERA AVX, 2000V, ±5% tolerance, C0G/NP0) or 1812GC102MAT1A (KYOCERA AVX, 2000V, ±20% tolerance, X7R) provide doubled voltage rating while preserving the 1812 package footprint. KGM43FCG3D102JV offers superior tolerance specification.

For Improved Tolerance: C1812C102KDGAC7800 (KEMET, 1000V, ±10% tolerance, C0G/NP0) reduces tolerance to ±10% with lower profile (0.061" vs. 0.087") and significantly higher inventory (26783 pcs). This part maintains identical voltage rating and temperature coefficient.

For Cross-Manufacturer Compatibility: KEMET C1812C series parts (C1812C102KDGAC7800, C1812C102KDRAC7800, C1812C102KGRAC7800) are qualified alternatives with verified ROHS3 compliance and MSL 1 rating. All KEMET parts feature reduced thickness (0.061" to 0.071") compared to the primary part.

For Maximum Voltage Capability: C1812C102KHRAC7800 (KEMET, 3000V, ±10% tolerance, X7R) provides the highest voltage rating in the substitute group with Active product status and full compliance certifications.

All substitute parts maintain -55°C to 125°C operating temperature range, ROHS3 compliance, and MSL 1 (Unlimited) moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can 1812AA102MAT1A directly replace 1812AA102MATME? A: Yes. Both parts share identical capacitance (1000 pF), tolerance (±20%), voltage rating (1000V), temperature coefficient (C0G/NP0), and 1812 package specifications. The only difference is packaging format and inventory source.

Q: What is the difference between C0G/NP0 and X7R temperature coefficients? A: C0G/NP0 provides superior temperature stability with minimal capacitance variation across the -55°C to 125°C operating range. X7R allows greater capacitance variation but is suitable for applications where tight temperature stability is not critical. Both maintain the same operating temperature range.

Q: Can I use a 2000V rated part in place of a 1000V rated part? A: Yes. Higher voltage-rated capacitors are electrically compatible with circuits designed for lower voltages. The 2000V parts (KGM43FCG3D102JV, 1812GC102KAT1A, 1812GC102MAT1A, C1812C102KGRAC7800) provide additional voltage margin and are direct substitutes for 1000V applications.

Q: Does the reduced thickness of KEMET parts affect PCB compatibility? A: No. KEMET C1812C series parts maintain the same 1812 (4532 Metric) package footprint and mounting pad pattern. Reduced thickness (0.061" to 0.071" vs. 0.087") improves PCB assembly clearance and does not affect electrical performance or mechanical fit.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the primary part's environmental certifications.

Q: What inventory considerations apply to part selection? A: KEMET C1812C102KGRAC7800 offers the highest inventory (60226 pcs), followed by 1812GC102MAT1A (14533 pcs). The primary part 1812AA102MATME has limited inventory (704 pcs). Parametric equivalent 1812AA102MAT1A provides 4242 pcs with identical specifications.

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