1808AC103MATBE Ceramic Capacitor - Equivalent & Substitute Parts

Part Overview

The 1808AC103MATBE is a high-voltage ceramic capacitor manufactured by KYOCERA AVX, rated at 10000 pF with 1000V (1kV) operating voltage and X7R temperature coefficient. This surface-mount multilayer ceramic capacitor (MLCC) in 1808 (4520 Metric) package is designed for general-purpose applications requiring stable capacitance across the -55°C to 125°C operating range. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified to support design flexibility, inventory optimization, and supply chain continuity.

Key Parameters

Parameter	Value
Capacitance	10000 pF
Tolerance	±20%
Voltage Rating	1000V (1kV)
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	1808 (4520 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 1808AC103MATBE is determined by strict equivalence in the following parameters: capacitance value (10000 pF), voltage rating (1000V), temperature coefficient (X7R), package form factor (1808 / 4520 Metric), and mounting technology (surface mount MLCC). Tolerance variations (±20% vs. ±10%) and dimensional tolerances in thickness are permitted variations within the same functional category. All substitute parts maintain identical electrical performance specifications and environmental compliance certifications (ROHS3, REACH Unaffected, EAR99).

The substitute parts are grouped into two categories:

Upgrade Parts - Parts with improved tolerance specification (±10% vs. ±20%) while maintaining all other electrical and mechanical parameters.

Parametric Equivalent - Parts with identical tolerance and electrical specifications, differing only in packaging format or internal manufacturing designation.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	RoHS Status	Product Status
1808AC103MATBE	KYOCERA AVX	10000 pF	±20%	1000V	X7R	1808 (4520 Metric)	0.071" (1.80mm)	ROHS3 Compliant	Active
1808AC103KAT1A	KYOCERA AVX	10000 pF	±10%	1000V	X7R	1808 (4520 Metric)	0.071" (1.80mm)	ROHS3 Compliant	Active
KGM42CR73A103KY	KYOCERA AVX	10000 pF	±10%	1000V	X7R	1808 (4520 Metric)	0.087" (2.21mm)	ROHS3 Compliant	Active
1808AC103MAT1A	KYOCERA AVX	10000 pF	±20%	1000V	X7R	1808 (4520 Metric)	0.071" (1.80mm)	ROHS3 Compliant	Active
C1808C103KDRAC7800	KEMET	10000 pF	±10%	1000V	X7R	1808 (4520 Metric)	0.069" (1.75mm)	ROHS3 Compliant	Active
VPDP102W103K1GV001E	Johanson Dielectrics Inc.	10000 pF	±10%	1000V	X7R	1808 (4520 Metric)	0.085" (2.16mm)	ROHS3 Compliant	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and full ROHS3 compliance. Selection between the main part (1808AC103MATBE) and substitute options depends on tolerance requirements and packaging format availability.

For applications requiring tighter capacitance tolerance, the upgrade parts 1808AC103KAT1A, KGM42CR73A103KY, C1808C103KDRAC7800, and VPDP102W103K1GV001E offer ±10% tolerance specification. The parametric equivalent 1808AC103MAT1A maintains the original ±20% tolerance and is functionally interchangeable with the main part.

Dimensional variations in thickness (ranging from 0.069" to 0.087") must be evaluated against PCB layout constraints and available board space. All parts are certified for unlimited moisture sensitivity (MSL 1) and comply with REACH and EAR99 export classifications.

Frequently Asked Questions (FAQ)

Q: Can 1808AC103KAT1A replace 1808AC103MATBE directly?

A: Yes. Both parts share identical capacitance (10000 pF), voltage rating (1000V), temperature coefficient (X7R), and package form factor (1808). The primary difference is tolerance specification: 1808AC103KAT1A offers ±10% tolerance versus ±20% for the original part. This represents an upgrade in capacitance accuracy.

Q: What is the difference between KYOCERA AVX and KEMET versions?

A: Both manufacturers produce equivalent 10000 pF, 1000V, X7R ceramic capacitors in 1808 package with ±10% tolerance. The KEMET part (C1808C103KDRAC7800) features lower ESL and is specified for general-purpose applications. Selection between manufacturers depends on supply availability and established qualification requirements.

Q: Are there thickness constraints when substituting parts?

A: Yes. The main part 1808AC103MATBE has maximum thickness of 0.071" (1.80mm). Substitute parts range from 0.069" to 0.087" in maximum thickness. Thicker variants (KGM42CR73A103KY at 0.087" and VPDP102W103K1GV001E at 0.085") require verification of available PCB clearance and component placement constraints.

Q: Is the parametric equivalent 1808AC103MAT1A suitable for all applications?

A: Yes. The 1808AC103MAT1A maintains identical electrical specifications (10000 pF ±20%, 1000V, X7R) and package form factor as the original part. It is a direct parametric equivalent and can be used interchangeably in all applications where the original part is specified.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. All listed parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes. Moisture sensitivity level is MSL 1 (unlimited) for all parts, indicating no special storage or handling requirements.

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