KYOCERA AVX 08055C103KAT2M Ceramic Capacitor 10000pF 50V X7R 0805 Equivalent & Substitute Parts

Part Overview

The KYOCERA AVX 08055C103KAT2M is a multilayer ceramic capacitor (MLCC) rated at 10000 pF with 50V voltage rating and X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This component is in active production status with 952 pieces currently in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and core performance parameters.

Key Parameters

Parameter	Value
Capacitance	10000 pF
Tolerance	±10%
Voltage Rating	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.079" L x 0.049" W (2.01mm x 1.25mm)
Maximum Thickness	0.037" (0.94mm)
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 08055C103KAT2M are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalent (Same Electrical Specifications): Parts maintaining identical capacitance (10000 pF), tolerance (±10%), voltage rating (50V), temperature coefficient (X7R), and package dimensions (0805). These parts differ only in packaging format or internal manufacturing series designation.

Voltage Upgrade Substitutes (Higher Voltage Rating): Parts with identical capacitance, tolerance, temperature coefficient, and package footprint but rated for 250V instead of 50V. These provide enhanced voltage margin and are mechanically compatible with increased thickness (0.051" vs 0.037").

Voltage Upgrade Substitutes (200V Rating): Parts with identical capacitance and temperature coefficient but rated for 200V with potential tolerance variations (±5% or ±10%) and increased thickness (0.057" vs 0.037").

Specialized Variants: Parts incorporating automotive-grade certifications (AEC-Q200) or soft termination features (FLEXITERM™ Flexisafe) for boardflex-sensitive applications while maintaining core electrical specifications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	RoHS Status	Inventory
08055C103KAT2M	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	ROHS3	952
LD055C103KAB2A	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	Non-compliant	15551
0805PC103KAT1A	KYOCERA AVX	10000 pF	±10%	250V	X7R	0805	0.051"	ROHS3	6361
0805PC103KAT2A	KYOCERA AVX	10000 pF	±10%	250V	X7R	0805	0.051"	ROHS3	8603
FS055C103KAZ2A	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	ROHS3	4746
KAM21BR71H103KM	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	ROHS3	31772
KAM21BR71H103KT	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	ROHS3	29166
KAS21BR71H103KT	KYOCERA AVX	10000 pF	±10%	50V	X7R	0805	0.037"	ROHS3	7797
KGM21AR72D103JU	KYOCERA AVX	10000 pF	±5%	200V	X7R	0805	0.057"	ROHS3	7021
KGM21AR72D103KL	KYOCERA AVX	10000 pF	±10%	200V	X7R	0805	0.057"	ROHS3	29756
KGM21AR72D103KU	KYOCERA AVX	10000 pF	±10%	200V	X7R	0805	0.057"	ROHS3	81137

Engineering Selection Recommendations

For Direct Replacement (No Design Changes Required): Select from KAM21BR71H103KM, KAM21BR71H103KT, or FS055C103KAZ2A when identical electrical and mechanical specifications are required. These parts maintain 50V rating, 0.037" maximum thickness, and ROHS3 compliance. KAM series parts carry AEC-Q200 automotive certification. FS055C103KAZ2A includes soft termination (FLEXITERM™ Flexisafe) for boardflex-sensitive applications.

For Voltage Margin Enhancement: Select 0805PC103KAT1A or 0805PC103KAT2A when circuit design permits higher voltage rating (250V). These parts provide increased safety margin and maintain ROHS3 compliance. Note increased thickness of 0.051" requires PCB layout verification for clearance.

For 200V Applications: Select from KGM21AR72D103KL or KGM21AR72D103KU for 200V rated designs. KGM21AR72D103JU offers tighter tolerance (±5%) if precision is required. All three maintain ROHS3 compliance. Maximum thickness increases to 0.057", requiring PCB clearance verification.

For Non-Compliant Legacy Systems: LD055C103KAB2A provides direct electrical equivalence but carries RoHS non-compliant and REACH affected status. Use only when regulatory requirements permit or for legacy system maintenance.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 08055C103KAT2M with a higher voltage rated part? A: Yes. Parts rated 200V or 250V are electrically compatible and provide enhanced voltage margin. However, verify PCB layout clearance as thickness increases from 0.037" to 0.051" (250V) or 0.057" (200V).

Q: What is the difference between KAM and KAS series parts? A: Both maintain identical electrical specifications (10000 pF, ±10%, 50V, X7R). KAS series incorporates soft termination (FLEXITERM™ Flexisafe) for boardflex-sensitive applications and automotive use. KAM series is standard automotive-grade (AEC-Q200).

Q: Are all substitute parts ROHS3 compliant? A: No. LD055C103KAB2A is RoHS non-compliant. All other listed substitutes are ROHS3 compliant. Verify regulatory requirements for your application.

Q: Can I use KGM21AR72D103JU (±5% tolerance) instead of the standard ±10% part? A: Yes. Tighter tolerance (±5%) is a performance enhancement and maintains backward compatibility. Verify circuit design does not depend on the wider ±10% tolerance band.

Q: What is the impact of increased thickness on PCB design? A: 250V parts (0.051" thickness) and 200V parts (0.057" thickness) require verification of PCB clearance above component. Standard 0805 footprint remains unchanged; only vertical clearance is affected.

Q: Are automotive-rated parts (AEC-Q200) required for my application? A: AEC-Q200 certification is required only for automotive applications. KAM21BR71H103KM, KAM21BR71H103KT, KAS21BR71H103KT, and all KGM series parts carry this certification. Standard parts (08055C103KAT2M, FS055C103KAZ2A) do not require it for general-purpose applications.

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