KYOCERA AVX 05083C103MAT2W Equivalent & Substitute Parts

Part Overview

The KYOCERA AVX 05083C103MAT2W 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 807 units in stock. Substitute parts are identified based on matching capacitance, package geometry, and compatible electrical ratings while accommodating tolerance and voltage variations within acceptable design parameters.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution eligibility for the 05083C103MAT2W is determined by the following criteria:

Primary Matching Parameters:

Capacitance value: 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:

Tolerance: ±10% or ±20% (tighter tolerance acceptable as upgrade)
Voltage Rating: 25V or higher (higher voltage acceptable as upgrade)
Thickness: Variations within 0.020" to 0.040" acceptable for same package footprint
Manufacturer: KYOCERA AVX or Murata Electronics

Compliance Requirements:

RoHS3 Compliant (mandatory)
Moisture Sensitivity Level 1 (mandatory)
REACH Unaffected status (mandatory)

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Thickness (Max)	Product Status	Inventory
05083C103MAT2W	KYOCERA AVX	10000 pF	±20%	25V	0.040" (1.02mm)	Active	807 Pcs
05083C103KAT2A	KYOCERA AVX	10000 pF	±10%	25V	0.040" (1.02mm)	Active	11869 Pcs
05085C103KAT2A	KYOCERA AVX	10000 pF	±10%	50V	0.040" (1.02mm)	Active	5689 Pcs
05085C103MAT2A	KYOCERA AVX	10000 pF	±20%	50V	0.040" (1.02mm)	Active	4606 Pcs
KGL21PR71E103KT	KYOCERA AVX	10000 pF	±10%	25V	0.022" (0.56mm)	Active	5530 Pcs
LLL215R71H103MA11L	Murata Electronics	10000 pF	±20%	50V	0.020" (0.50mm)	Last Time Buy	2251 Pcs

Engineering Selection Recommendations

Direct Substitutes (Same Voltage Rating):

05083C103KAT2A and KGL21PR71E103KT are direct substitutes for the 05083C103MAT2W at 25V rating. Both parts maintain the same capacitance, voltage, and package footprint. The 05083C103KAT2A offers improved tolerance (±10% versus ±20%) with higher inventory availability. The KGL21PR71E103KT provides a thinner profile (0.022" versus 0.040") while maintaining ±10% tolerance, suitable for space-constrained applications.

Upgraded Substitutes (Higher Voltage Rating):

05085C103KAT2A and 05085C103MAT2A are upgrades to 50V rating, providing enhanced voltage margin for the same 10000 pF capacitance and 0508 package. The 05085C103KAT2A combines 50V rating with ±10% tolerance. The 05085C103MAT2A maintains ±20% tolerance at 50V. Both are suitable where circuit design permits higher voltage components.

Cross-Manufacturer Substitute:

LLL215R71H103MA11L (Murata Electronics) is a cross-manufacturer equivalent with 50V rating and ±20% tolerance. This part carries Last Time Buy status, indicating discontinued production. Selection should prioritize KYOCERA AVX alternatives for long-term supply continuity.

Compliance Status:

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and REACH Unaffected status, matching the original part's regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a 50V rated capacitor in place of the 25V rated 05083C103MAT2W?

A: Yes. Higher voltage ratings are acceptable substitutes in circuits designed for 25V operation. The 05085C103KAT2A and 05085C103MAT2A both provide 50V rating with identical 10000 pF capacitance and 0508 package geometry, offering improved voltage margin without affecting circuit functionality.

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

A: Tolerance specifies the allowable deviation from the nominal 10000 pF value. ±10% tolerance (05083C103KAT2A, 05085C103KAT2A, KGL21PR71E103KT) permits 9000-11000 pF variation, while ±20% tolerance (05083C103MAT2W, 05085C103MAT2A, LLL215R71H103MA11L) permits 8000-12000 pF variation. Tighter tolerance parts are suitable for precision applications requiring closer capacitance control.

Q: Are there physical size differences between substitute parts?

A: All parts share the 0508 (1220 Metric) package footprint with identical length (0.050") and width (0.079"). Thickness varies: standard parts measure 0.040" maximum, while KGL21PR71E103KT measures 0.022" and LLL215R71H103MA11L measures 0.020". Thinner variants are suitable for height-constrained PCB designs.

Q: Why is LLL215R71H103MA11L marked as Last Time Buy?

A: Last Time Buy status indicates the manufacturer (Murata Electronics) has discontinued this product line. While currently available in inventory (2251 units), future availability is not guaranteed. KYOCERA AVX alternatives are recommended for new designs requiring long-term supply assurance.

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

A: Yes. All listed substitutes maintain ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status, matching the original 05083C103MAT2W regulatory profile.

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