KYOCERA AVX 05083C103MAT2A Equivalent & Substitute Parts

Part Overview

The KYOCERA AVX 05083C103MAT2A is a 10000 pF ceramic capacitor rated at 25V with X7R temperature coefficient, designed for bypass and decoupling applications in surface mount configurations. This part is currently active in production with 644 units in stock. Substitute parts are identified based on matching capacitance, package geometry, and compatible electrical ratings, with variations in voltage rating and tolerance specifications.

Key Parameters

Parameter	Value
Capacitance	10000 pF
Voltage Rating	25V
Tolerance	±20%
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0508 (1220 Metric)
Mounting Type	Surface Mount, MLCC
Thickness (Max)	0.040" (1.02mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 05083C103MAT2A is determined by the following criteria:

Primary Matching Parameters:

Capacitance: 10000 pF (exact match required)
Package / Case: 0508 (1220 Metric) (exact match required)
Temperature Coefficient: X7R (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)

Allowable Variations:

Voltage Rating: May be equal to or higher than 25V
Tolerance: May be ±20% or tighter (±10%)
Thickness: May vary within manufacturing specifications
Manufacturer: Different manufacturers acceptable if all primary parameters match

The following parts meet substitution criteria for the 05083C103MAT2A:

05083C103KAT2A (KYOCERA AVX) — Same voltage (25V), improved tolerance (±10%)
05085C103KAT2A (KYOCERA AVX) — Higher voltage rating (50V), improved tolerance (±10%)
05085C103MAT2A (KYOCERA AVX) — Higher voltage rating (50V), same tolerance (±20%)
KGL21PR71E103KT (KYOCERA AVX) — Same voltage (25V), improved tolerance (±10%), reduced thickness (0.022")
LLL215R71H103MA11L (Murata Electronics) — Higher voltage rating (50V), same tolerance (±20%), reduced thickness (0.020")

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Package	Thickness (Max)	Product Status	Inventory
05083C103MAT2A	KYOCERA AVX	10000 pF	25V	±20%	X7R	0508 (1220 Metric)	0.040" (1.02mm)	Active	644 Pcs
05083C103KAT2A	KYOCERA AVX	10000 pF	25V	±10%	X7R	0508 (1220 Metric)	0.040" (1.02mm)	Active	11869 Pcs
05085C103KAT2A	KYOCERA AVX	10000 pF	50V	±10%	X7R	0508 (1220 Metric)	0.040" (1.02mm)	Active	5689 Pcs
05085C103MAT2A	KYOCERA AVX	10000 pF	50V	±20%	X7R	0508 (1220 Metric)	0.040" (1.02mm)	Active	4606 Pcs
KGL21PR71E103KT	KYOCERA AVX	10000 pF	25V	±10%	X7R	0508 (1220 Metric)	0.022" (0.56mm)	Active	5530 Pcs
LLL215R71H103MA11L	Murata Electronics	10000 pF	50V	±20%	X7R	0508 (1220 Metric)	0.020" (0.50mm)	Last Time Buy	2251 Pcs

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Performance): Select 05083C103KAT2A when the original part is unavailable. This part maintains the 25V rating and 0508 package while offering improved tolerance specification (±10% versus ±20%), with higher inventory availability (11869 units).

For Voltage Margin Applications: Select 05085C103KAT2A or 05085C103MAT2A when circuit design permits higher voltage ratings. Both parts provide 50V rating in the same 0508 package, offering additional safety margin. The KAT2A variant provides ±10% tolerance; the MAT2A variant maintains ±20% tolerance.

For Space-Constrained Designs: Select KGL21PR71E103KT or LLL215R71H103MA11L when PCB thickness constraints require reduced component height. KGL21PR71E103KT offers 0.022" thickness with 25V rating and ±10% tolerance. LLL215R71H103MA11L provides 0.020" thickness with 50V rating but carries Last Time Buy status.

Compliance Considerations: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status. The LLL215R71H103MA11L carries Last Time Buy status, indicating limited future availability.

Frequently Asked Questions (FAQ)

Q: Can I use a 50V rated capacitor in place of the 25V rated 05083C103MAT2A?

A: Yes. A higher voltage rating is electrically compatible and provides additional safety margin. Parts 05085C103KAT2A, 05085C103MAT2A, and LLL215R71H103MA11L all provide 50V ratings in the same 0508 package and are direct substitutes.

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

A: Tolerance specifies the allowable deviation from the nominal 10000 pF capacitance value. ±20% allows deviation from 8000 pF to 12000 pF; ±10% allows deviation from 9000 pF to 11000 pF. Applications requiring tighter capacitance control should specify ±10% tolerance parts.

Q: Are there physical size differences between substitute parts?

A: All parts share the same 0508 (1220 Metric) package footprint. Thickness varies: the original 05083C103MAT2A is 0.040" (1.02mm), while KGL21PR71E103KT is 0.022" (0.56mm) and LLL215R71H103MA11L is 0.020" (0.50mm). Thinner variants may be required for space-constrained PCB designs.

Q: Why is LLL215R71H103MA11L marked as Last Time Buy?

A: Last Time Buy status indicates the manufacturer has discontinued this part number and existing inventory represents the final available supply. New designs should avoid this part; use KYOCERA AVX alternatives for long-term availability.

Q: Can I mix different substitute parts in the same production run?

A: All substitute parts are electrically and mechanically compatible within the specified parameters. However, production consistency typically requires using a single part number per assembly. Consult design documentation for any specific part number requirements.

Q: What certifications apply to all substitute parts?

A: All parts listed are ROHS3 compliant, carry MSL 1 (Unlimited) moisture sensitivity rating, and are REACH unaffected. All parts are classified under ECCN EAR99 and HTSUS 8532.24.0020.

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