KEMET C0603C154K4RAL7867 Equivalent & Substitute Parts

Part Overview

The KEMET C0603C154K4RAL7867 is a 0.15 µF ±10% 16V ceramic capacitor with X7R temperature coefficient in 0603 (1608 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) is designed for bypass and decoupling applications in high-reliability circuits. The part is classified as Active product status with RoHS non-compliant designation and unlimited moisture sensitivity level (MSL 1).

Substitute parts are necessary when addressing supply chain constraints, design requirement changes, or when transitioning to RoHS3-compliant alternatives. The following equivalent and substitute parts maintain the core electrical specifications while offering variations in voltage rating, tolerance, temperature coefficient, or compliance status.

Key Parameters

Parameter	Value	Unit
Capacitance	0.15	µF
Tolerance	±10%	-
Voltage - Rated	16	V
Temperature Coefficient	X7R	-
Operating Temperature Range	-55°C ~ 125°C	-
Package / Case	0603 (1608 Metric)	-
Mounting Type	Surface Mount, MLCC	-
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)	-
Thickness (Max)	0.034" (0.87mm)	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution of the C0603C154K4RAL7867 is determined by the following critical parameters:

Electrical Compatibility Parameters:

Capacitance value must remain 0.15 µF
Tolerance must be ±10% or tighter (±5% is acceptable)
Voltage rating must be equal to or greater than 16V
Temperature coefficient X7R is preferred for bypass/decoupling applications but X8L is acceptable for general purpose applications
Operating temperature range must encompass -55°C ~ 125°C minimum

Mechanical Compatibility Parameters:

Package must be 0603 (1608 Metric)
Mounting type must be Surface Mount, MLCC
Physical dimensions must be compatible with 0603 footprint

Compliance Parameters:

RoHS3 compliance is preferred for new designs
MSL 1 (Unlimited) is standard across all alternatives
REACH Unaffected status applies to all listed parts

Substitute parts are grouped into four categories: Upgrade (improved tolerance or voltage), Parametric Equivalent (identical electrical specifications), Direct (alternative manufacturer), and specialized variants (automotive-grade, high-temperature).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	RoHS Status	Product Status	Inventory
C0603C154K4RAL7867	KEMET	0.15 µF	±10%	16V	X7R	-55°C ~ 125°C	Non-compliant	Active	1,039 Pcs
C0603C154J4RAC7867	KEMET	0.15 µF	±5%	16V	X7R	-55°C ~ 125°C	ROHS3 Compliant	Active	163,342 Pcs
C0603C154K3NAC7867	KEMET	0.15 µF	±10%	25V	X8L	-55°C ~ 150°C	ROHS3 Compliant	Active	6,527 Pcs
C0603C154K3RAC7867	KEMET	0.15 µF	±10%	25V	X7R	-55°C ~ 125°C	ROHS3 Compliant	Active	4,581 Pcs
C0603C154K4RACAUTO	KEMET	0.15 µF	±10%	16V	X7R	-55°C ~ 125°C	ROHS3 Compliant	Active	11,525 Pcs
C0603C154K5RAC7867	KEMET	0.15 µF	±10%	50V	X7R	-55°C ~ 125°C	ROHS3 Compliant	Active	124,515 Pcs
C0603G154K3RAC7867	KEMET	0.15 µF	±10%	25V	X7R	-55°C ~ 175°C	ROHS3 Compliant	Active	6,931 Pcs
C0603C154K4RAC7867	KEMET	0.15 µF	±10%	16V	X7R	-55°C ~ 125°C	ROHS3 Compliant	Active	42,262 Pcs
KGM15BR71C154KT	KYOCERA AVX	0.15 µF	±10%	16V	X7R	-55°C ~ 125°C	ROHS3 Compliant	Active	6,575 Pcs
C1608X7R1E154K080AA	TDK Corporation	0.15 µF	±10%	25V	X7R	-55°C ~ 125°C	ROHS3 Compliant	Not For New Designs	132,997 Pcs
C1608X7R1H154K080AB	TDK Corporation	0.15 µF	±10%	50V	X7R	-55°C ~ 125°C	ROHS3 Compliant	Not For New Designs	9,487 Pcs

Engineering Selection Recommendations

Direct Parametric Equivalent (Preferred for Direct Replacement):

C0603C154K4RAC7867 (KEMET) is the direct parametric equivalent with identical electrical specifications (0.15 µF, ±10%, 16V, X7R, -55°C ~ 125°C). This part differs only in RoHS compliance status (ROHS3 Compliant vs. Non-compliant) and is recommended for new designs or when RoHS3 compliance is required. Inventory availability is significantly higher (42,262 Pcs).

Tolerance Upgrade:

C0603C154J4RAC7867 (KEMET) provides tighter tolerance (±5% vs. ±10%) while maintaining all other electrical parameters. This upgrade is suitable for applications requiring improved capacitance accuracy. RoHS3 compliance and high inventory (163,342 Pcs) support production continuity.

Voltage Upgrade Options:

C0603C154K3RAC7867 (KEMET) increases voltage rating to 25V while maintaining X7R temperature coefficient and ±10% tolerance. This part is suitable for circuits with higher voltage margins or design flexibility.

C0603C154K5RAC7867 (KEMET) provides maximum voltage rating at 50V with X7R characteristics. This option is appropriate for applications requiring substantial voltage headroom. Inventory is highest among all alternatives (124,515 Pcs).

Automotive-Grade Alternative:

C0603C154K4RACAUTO (KEMET) maintains identical electrical specifications to the main part but includes AEC-Q200 automotive qualification. This part is mandatory for automotive applications and provides RoHS3 compliance.

High-Temperature Variant:

C0603G154K3RAC7867 (KEMET) extends operating temperature to -55°C ~ 175°C with X7R coefficient and 25V rating. This variant is required for high-temperature environments exceeding standard 125°C limits.

Alternative Manufacturer Options:

KGM15BR71C154KT (KYOCERA AVX) provides direct electrical equivalence with identical specifications. Physical dimensions show minor variation (0.032" W vs. 0.031" W, 0.037" thickness vs. 0.034"). Compatibility must be verified for space-constrained layouts.

TDK Corporation alternatives (C1608X7R1E154K080AA and C1608X7R1H154K080AB) are marked "Not For New Designs" and should be avoided for new product development. These parts are listed for reference only in legacy system support scenarios.

Frequently Asked Questions (FAQ)

Q: Can C0603C154K4RAC7867 directly replace C0603C154K4RAL7867?

A: Yes. C0603C154K4RAC7867 is a direct parametric equivalent with identical capacitance (0.15 µF), tolerance (±10%), voltage rating (16V), temperature coefficient (X7R), and operating temperature range (-55°C ~ 125°C). The only difference is RoHS3 compliance status. Electrical and mechanical compatibility is complete.

Q: What is the difference between X7R and X8L temperature coefficients?

A: X7R provides ±15% capacitance change across -55°C ~ 125°C operating range. X8L provides ±15% capacitance change across -55°C ~ 150°C operating range. X8L extends high-temperature operation to 150°C. For standard applications limited to 125°C, X7R is preferred. X8L is used when higher temperature operation is required.

Q: Can I use a 25V-rated capacitor in place of a 16V-rated capacitor?

A: Yes. A higher voltage rating (25V or 50V) is electrically compatible with a 16V circuit. The capacitor will operate safely at lower voltage stress. However, physical dimensions may vary slightly. Verify PCB footprint compatibility before substitution. C0603C154K3RAC7867 (25V) and C0603C154K5RAC7867 (50V) are both suitable replacements.

Q: Is RoHS3 compliance mandatory for my application?

A: RoHS3 compliance is required for products sold in the European Union and many other regulated markets. For new designs, ROHS3-compliant parts are strongly recommended. C0603C154K4RAC7867 and other ROHS3-compliant alternatives should be prioritized over the non-compliant C0603C154K4RAL7867.

Q: What does MSL 1 (Unlimited) mean?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture-control storage or handling. All listed alternatives carry MSL 1 rating, eliminating moisture sensitivity concerns during storage and assembly.

Q: Can I substitute a KYOCERA AVX part for KEMET?

A: KGM15BR71C154KT (KYOCERA AVX) provides electrical equivalence with identical specifications. Physical dimensions show minor variation: width 0.032" vs. 0.031" and thickness 0.037" vs. 0.034". Verify PCB layout compatibility, particularly for space-constrained designs. Electrical performance is equivalent.

Q: Why are TDK parts marked "Not For New Designs"?

A: TDK C1608X7R1E154K080AA and C1608X7R1H154K080AB are legacy products no longer recommended for new product development. These parts are listed for reference in legacy system support and repair scenarios only. Use KEMET alternatives for new designs.

Q: What is the difference between C0603C154J4RAC7867 and C0603C154K4RAC7867?

A: The primary difference is tolerance: C0603C154J4RAC7867 provides ±5% tolerance versus ±10% for C0603C154K4RAC7867. All other parameters (capacitance, voltage, temperature coefficient, operating range) are identical. The ±5% tolerance part is suitable for applications requiring tighter capacitance accuracy.

Q: Is C0603C154K4RACAUTO suitable for non-automotive applications?

A: Yes. C0603C154K4RACAUTO meets AEC-Q200 automotive qualification standards but is electrically and mechanically identical to standard commercial-grade parts. It can be used in any application. The automotive qualification provides additional reliability assurance and is not restrictive for non-automotive use.

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