QM034D106MAT2A Equivalent & Substitute Parts

Part Overview

The QM034D106MAT2A is a 10 µF ±20% 4V ceramic capacitor in X5R temperature coefficient, 0603 (1608 Metric) package, manufactured by KYOCERA AVX. This part is classified as obsolete, making equivalent and substitute components necessary for ongoing production and maintenance applications. The X5R temperature coefficient and 4V rated voltage establish the baseline electrical performance for general-purpose bypass and decoupling applications.

Key Parameters

Parameter	Value
Capacitance	10 µF
Tolerance	±20%
Voltage - Rated	4V
Temperature Coefficient	X5R
Operating Temperature Range	-55°C ~ 85°C
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the QM034D106MAT2A is determined by strict equivalence in the following parameters:

Capacitance: 10 µF (exact match required)
Tolerance: ±20% (direct substitutes maintain this tolerance)
Voltage Rating: 4V minimum (higher voltage ratings are acceptable upgrades)
Temperature Coefficient: X5R (maintains temperature stability across operating range)
Package: 0603 (1608 Metric) (physical and electrical compatibility)
Mounting Type: Surface Mount, MLCC (assembly compatibility)
MSL Rating: 1 (Unlimited) (moisture handling capability)

Direct substitutes maintain all parameters identical to the main part. Upgrade substitutes increase voltage rating or tolerance precision while maintaining all other electrical and mechanical specifications. All substitute parts are active or available products from established manufacturers, ensuring supply chain continuity.

Parameter Comparison

Manufacturer	Part Number	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Product Status	RoHS Status
KYOCERA AVX	QM034D106MAT2A	10 µF	±20%	4V	X5R	0603	Obsolete	Not Specified
KYOCERA AVX	KGM15CR50G106MT	10 µF	±20%	4V	X5R	0603	Active	ROHS3 Compliant
KYOCERA AVX	KGM15CR50G106KT	10 µF	±10%	4V	X5R	0603	Active	ROHS3 Compliant
KYOCERA AVX	KGM15CR50J106KT	10 µF	±10%	6.3V	X5R	0603	Active	ROHS3 Compliant
KYOCERA AVX	KGM15CR50J106MT	10 µF	±20%	6.3V	X5R	0603	Active	ROHS3 Compliant
KYOCERA AVX	KGM15CR51A106MT	10 µF	±20%	10V	X5R	0603	Active	ROHS3 Compliant
Taiyo Yuden	AMK107BJ106MA-T	10 µF	±20%	4V	X5R	0603	Not For New Designs	ROHS3 Compliant
KEMET	C0603C106M7PAC7867	10 µF	±20%	4V	X5R	0603	Active	ROHS3 Compliant
Samsung Electro-Mechanics	CL10A106MR5LQNC	10 µF	±20%	4V	X5R	0603	Active	ROHS3 Compliant
Samsung Electro-Mechanics	CL10A106MR8NNNC	10 µF	±20%	4V	X5R	0603	Active	ROHS3 Compliant
Murata Electronics	GRM188R60G106ME47D	10 µF	±20%	4V	X5R	0603	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes (Identical Electrical & Mechanical Specifications):

KGM15CR50G106MT (KYOCERA AVX) is the primary direct substitute, offering identical 10 µF ±20% 4V X5R specifications with active product status and ROHS3 compliance. This part maintains full compatibility with the obsolete QM034D106MAT2A.

C0603C106M7PAC7867 (KEMET), CL10A106MR5LQNC (Samsung Electro-Mechanics), CL10A106MR8NNNC (Samsung Electro-Mechanics), and GRM188R60G106ME47D (Murata Electronics) provide equivalent electrical performance from established manufacturers with active product status and ROHS3 compliance.

AMK107BJ106MA-T (Taiyo Yuden) matches electrical specifications but carries "Not For New Designs" status, limiting suitability for new production.

Upgrade Substitutes (Enhanced Specifications):

KGM15CR50G106KT (KYOCERA AVX) upgrades tolerance to ±10% while maintaining 4V rating, providing improved capacitance accuracy for precision applications.

KGM15CR50J106KT (KYOCERA AVX) and KGM15CR50J106MT (KYOCERA AVX) increase voltage rating to 6.3V, offering enhanced voltage margin for circuits with potential transient overvoltage conditions.

KGM15CR51A106MT (KYOCERA AVX) provides maximum voltage upgrade to 10V, suitable for applications requiring substantial voltage headroom.

All KYOCERA AVX KGM series substitutes are active products with ROHS3 compliance and unlimited MSL rating.

Frequently Asked Questions (FAQ)

Q: Can KGM15CR50G106KT replace QM034D106MAT2A directly?

A: Yes. KGM15CR50G106KT maintains identical 10 µF capacitance, X5R temperature coefficient, 4V voltage rating, and 0603 package. The ±10% tolerance is tighter than the original ±20%, providing improved accuracy without affecting compatibility.

Q: Are higher voltage-rated substitutes compatible?

A: Yes. KGM15CR50J106KT (6.3V) and KGM15CR51A106MT (10V) are electrically compatible. Higher voltage ratings do not degrade performance in 4V circuits; they provide additional voltage margin. Physical dimensions remain identical within the 0603 package specification.

Q: What is the difference between direct and upgrade substitutes?

A: Direct substitutes match all electrical and mechanical parameters of the original part. Upgrade substitutes improve one or more specifications—such as tolerance precision or voltage rating—while maintaining compatibility with the original application.

Q: Why is AMK107BJ106MA-T marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new product designs. While electrically equivalent, it is not recommended for new production due to potential supply discontinuation.

Q: Are all substitute parts ROHS3 compliant?

A: All active substitute parts listed are ROHS3 compliant. The original QM034D106MAT2A does not specify RoHS status due to its obsolete classification. ROHS3 compliance ensures compliance with current environmental and hazardous substance regulations.

Q: Does package thickness variation affect PCB assembly?

A: Physical dimensions remain within 0603 (1608 Metric) specification. Thickness variations (0.87mm to 1.00mm maximum) are within standard PCB assembly tolerances and do not affect placement or soldering processes.

Q: Can I mix different manufacturers in the same circuit?

A: Yes. All substitute parts meet identical electrical specifications for capacitance, voltage, temperature coefficient, and tolerance. Mixing manufacturers within a single application is acceptable from an electrical standpoint.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message