LT034D475MAT2S Equivalent & Substitute Parts

Part Overview

The LT034D475MAT2S is a 4.7 µF ceramic capacitor manufactured by KYOCERA AVX, rated at 4V with X5R temperature coefficient in 0603 (1608 Metric) surface mount package. This part is currently active in production. Equivalent and substitute parts are identified based on matching or exceeding electrical specifications within the same physical package footprint, allowing for direct board-level replacement in applications requiring 4.7 µF capacitance at 4V or higher voltage ratings with X5R or compatible temperature coefficients.

Key Parameters

Parameter	LT034D475MAT2S
Manufacturer	KYOCERA AVX
Capacitance	4.7 µF
Tolerance	±20%
Voltage Rating	4V
Temperature Coefficient	X5R
Operating Temperature Range	-55°C ~ 85°C
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the LT034D475MAT2S is determined by the following criteria:

Primary Matching Parameters:

Capacitance: 4.7 µF (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Voltage Rating: 4V minimum (equal or higher acceptable)
Temperature Coefficient: X5R or X6S (both acceptable for general purpose applications)
Mounting Type: Surface Mount, MLCC (exact match required)

Secondary Compatibility Parameters:

Tolerance: ±20% or tighter (±10% acceptable as upgrade)
Operating Temperature: -55°C ~ 85°C minimum (extended range acceptable)
RoHS Compliance: ROHS3 Compliant (required)
Moisture Sensitivity: MSL 1 (required)

Substitute parts are grouped into three categories: Direct equivalents (matching all primary parameters), upgrades (higher voltage rating or tighter tolerance), and manufacturer-recommended alternatives (different temperature coefficient with extended operating range).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	Package	Status	RoHS
LT034D475MAT2S	KYOCERA AVX	4.7 µF	±20%	4V	X5R	-55°C ~ 85°C	0603	Active	ROHS3
AMK107BJ475MK-T	Taiyo Yuden	4.7 µF	±20%	4V	X5R	-55°C ~ 85°C	0603	Not For New Designs	ROHS3
GRM185R60G475ME15D	Murata Electronics	4.7 µF	±20%	4V	X5R	-55°C ~ 85°C	0603	Not For New Designs	ROHS3
CGB3B1X5R1A475K055AC	TDK Corporation	4.7 µF	±10%	10V	X5R	-55°C ~ 85°C	0603	Obsolete	ROHS3
CGB3B1X5R1A475M055AC	TDK Corporation	4.7 µF	±20%	10V	X5R	-55°C ~ 85°C	0603	Obsolete	ROHS3
CGB3B3X5R0J475K055AB	TDK Corporation	4.7 µF	±10%	6.3V	X5R	-55°C ~ 85°C	0603	Obsolete	ROHS3
CGB3B3X5R0J475M055AB	TDK Corporation	4.7 µF	±20%	6.3V	X5R	-55°C ~ 85°C	0603	Obsolete	ROHS3
CGB3B1X6S0G475K055AC	TDK Corporation	4.7 µF	±10%	4V	X6S	-55°C ~ 105°C	0603	Obsolete	ROHS3
CGB3B1X6S0G475M055AC	TDK Corporation	4.7 µF	±20%	4V	X6S	-55°C ~ 105°C	0603	Obsolete	ROHS3

Engineering Selection Recommendations

Direct Equivalents (Preferred for Replacement):

AMK107BJ475MK-T (Taiyo Yuden): Identical electrical specifications. Product status is "Not For New Designs," indicating limited future availability. Suitable for legacy system maintenance and repair.
GRM185R60G475ME15D (Murata Electronics): Identical electrical specifications. Product status is "Not For New Designs." Suitable for legacy system maintenance and repair.

Upgrade Options (Higher Voltage Rating):

CGB3B1X5R1A475K055AC (TDK): 10V rating with ±10% tolerance. Provides voltage margin and improved tolerance. Obsolete status limits new procurement.
CGB3B1X5R1A475M055AC (TDK): 10V rating with ±20% tolerance. Provides voltage margin. Obsolete status limits new procurement.
CGB3B3X5R0J475K055AB (TDK): 6.3V rating with ±10% tolerance. Provides voltage margin and improved tolerance. Obsolete status limits new procurement.
CGB3B3X5R0J475M055AB (TDK): 6.3V rating with ±20% tolerance. Provides voltage margin. Obsolete status limits new procurement.

Manufacturer-Recommended Alternatives (Extended Temperature Range):

CGB3B1X6S0G475K055AC (TDK): X6S temperature coefficient with operating range -55°C ~ 105°C. Rated at 4V with ±10% tolerance. Suitable for applications requiring extended high-temperature performance. Obsolete status limits new procurement.
CGB3B1X6S0G475M055AC (TDK): X6S temperature coefficient with operating range -55°C ~ 105°C. Rated at 4V with ±20% tolerance. Suitable for applications requiring extended high-temperature performance. Obsolete status limits new procurement.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard assembly and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a 10V-rated capacitor in place of the 4V LT034D475MAT2S? A: Yes. Higher voltage ratings are acceptable substitutes. A 10V-rated capacitor with 4.7 µF capacitance will function correctly in a 4V application. The higher voltage rating provides additional safety margin without affecting circuit performance.

Q: What is the difference between X5R and X6S temperature coefficients? A: Both X5R and X6S are temperature coefficients for ceramic capacitors. X5R specifies capacitance change of ±15% over -55°C to 85°C. X6S specifies ±15% change over -55°C to 105°C. X6S provides extended high-temperature operation. Both are acceptable for the LT034D475MAT2S application.

Q: Are obsolete parts suitable for new designs? A: Obsolete parts are not recommended for new designs due to limited future availability and potential supply discontinuation. They are suitable for legacy system maintenance, repair, and replacement in existing products. For new designs, use the active LT034D475MAT2S or equivalent parts with active production status.

Q: Does tolerance affect substitution eligibility? A: Tolerance affects circuit performance precision. ±10% tolerance is tighter than ±20% and is acceptable as an upgrade. ±20% tolerance matches the original specification. Both are electrically compatible for general purpose applications.

Q: Can I substitute parts with different packaging? A: No. The 0603 (1608 Metric) package is specific to board layout and assembly equipment. Substitutes must use identical package dimensions and footprint for direct board-level replacement without design modification.

Q: What does "Not For New Designs" product status mean? A: This status indicates the manufacturer is phasing out the part. While currently available, supply may become limited. These parts are suitable for maintenance and repair of existing products but should not be selected for new product development.

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