KEMET C0603C103J8RAL7867 Equivalent & Substitute Parts

Part Overview

The KEMET C0603C103J8RAL7867 is a 10000 pF (0.01 µF) ceramic capacitor in 0603 (1608 Metric) surface mount package with X7R temperature coefficient, rated for 10V operation. This multilayer ceramic capacitor (MLCC) is designed for high-reliability bypass and decoupling applications across an operating temperature range of -55°C to 125°C. The part is currently active in production with 740 pieces in stock. Equivalent and substitute parts are identified based on matching capacitance, package, mounting type, and mechanical dimensions while accommodating variations in voltage rating, temperature coefficient, and tolerance specifications that remain functionally compatible with the original design requirements.

Key Parameters

Parameter	Value
Capacitance	10000 pF
Tolerance	±5%
Voltage Rating	10V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.063" L x 0.031" W (1.60mm x 0.80mm)
Thickness (Max)	0.034" (0.87mm)
Moisture Sensitivity Level	1 (Unlimited)
Packaging Format	Tape & Reel (TR)

Substitute Part Grouping Explanation

Substitution of the KEMET C0603C103J8RAL7867 is determined by the following critical parameters:

Mandatory Matching Parameters:

Capacitance: 10000 pF (exact match required)
Package / Case: 0603 (1608 Metric) (exact match required)
Mounting Type: Surface Mount, MLCC (exact match required)
Physical Dimensions: 0.063" L x 0.031" W; Thickness 0.034" max (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Allowable Variation Parameters:

Voltage Rating: May be equal to or greater than 10V
Temperature Coefficient: X7R or C0G/NP0 acceptable
Tolerance: ±1%, ±2%, or ±5% acceptable
Operating Temperature Range: Must encompass -55°C to 125°C minimum
RoHS Status: ROHS3 Compliant preferred; RoHS non-compliant acceptable for legacy applications

Substitute parts are grouped by voltage rating and temperature coefficient characteristics. Parts with higher voltage ratings (16V, 25V, 50V) provide design margin and are direct substitutes. Parts with C0G/NP0 temperature coefficient offer superior stability compared to X7R but remain functionally compatible. All substitute parts maintain identical physical footprint and mounting characteristics.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Operating Temp Range	Package	RoHS Status	Inventory (Pcs)
C0603C103J8RAL7867	KEMET	10000 pF	±5%	10V	X7R	-55°C to 125°C	0603	RoHS non-compliant	740
C0603C103J8RAC7867	KEMET	10000 pF	±5%	10V	X7R	-55°C to 125°C	0603	ROHS3 Compliant	3759
C0603C103G8GAC7867	KEMET	10000 pF	±2%	10V	C0G, NP0	-55°C to 125°C	0603	ROHS3 Compliant	14867
C0603C103F4GAC7867	KEMET	10000 pF	±1%	16V	C0G, NP0	-55°C to 125°C	0603	ROHS3 Compliant	1138
C0603C103J4GAC7867	KEMET	10000 pF	±5%	16V	C0G, NP0	-55°C to 125°C	0603	ROHS3 Compliant	6760
C0603C103J4RAC7867	KEMET	10000 pF	±5%	16V	X7R	-55°C to 125°C	0603	ROHS3 Compliant	29912
C0603C103F3GAC7867	KEMET	10000 pF	±1%	25V	C0G, NP0	-55°C to 125°C	0603	ROHS3 Compliant	53588
C0603C103J3GAC7867	KEMET	10000 pF	±5%	25V	C0G, NP0	-55°C to 125°C	0603	ROHS3 Compliant	320489
C0603C103J3RAC7867	KEMET	10000 pF	±5%	25V	X7R	-55°C to 125°C	0603	ROHS3 Compliant	149247
C0603C103J3HAC7867	KEMET	10000 pF	±5%	25V	X8R	-55°C to 150°C	0603	ROHS3 Compliant	16629
C0603C103J5RAL7867	KEMET	10000 pF	±5%	50V	X7R	-55°C to 125°C	0603	RoHS non-compliant	9095

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement): The C0603C103J8RAC7867 is the parametric equivalent of the C0603C103J8RAL7867. Both parts share identical electrical specifications (10000 pF, ±5%, 10V, X7R, -55°C to 125°C) and physical package dimensions. The primary difference is RoHS compliance status: C0603C103J8RAC7867 is ROHS3 Compliant, while the original part is RoHS non-compliant. For new designs or applications requiring RoHS compliance, C0603C103J8RAC7867 is the recommended direct replacement with 3759 pieces in stock.

Voltage-Rated Upgrades (Higher Voltage Margin): Parts rated at 16V, 25V, and 50V provide increased voltage margin above the 10V requirement. These upgrades are suitable for applications where design margin or future specification changes necessitate higher voltage ratings. C0603C103J4RAC7867 (16V, X7R) and C0603C103J3RAC7867 (25V, X7R) maintain the same X7R temperature coefficient as the original part. C0603C103J5RAL7867 (50V, X7R) offers maximum voltage margin but is RoHS non-compliant.

Temperature Coefficient Alternatives (C0G/NP0): Parts with C0G/NP0 temperature coefficient (C0603C103G8GAC7867, C0603C103F4GAC7867, C0603C103J4GAC7867, C0603C103F3GAC7867, C0603C103J3GAC7867) provide superior capacitance stability across temperature variations compared to X7R. These parts are ROHS3 Compliant and suitable for precision applications. C0603C103G8GAC7867 (10V, ±2%) is the closest C0G/NP0 alternative at the original voltage rating.

Extended Temperature Operation: C0603C103J3HAC7867 (25V, X8R, -55°C to 150°C) extends the upper operating temperature limit to 150°C, accommodating high-temperature applications beyond the standard 125°C maximum.

Compliance Considerations: All substitute parts except C0603C103J5RAL7867 are ROHS3 Compliant. For applications requiring RoHS compliance, select from the ROHS3 Compliant alternatives. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating and are suitable for standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can I use a 25V-rated capacitor in place of the 10V original part? A: Yes. A 25V-rated capacitor is a direct substitute for a 10V application. The higher voltage rating provides design margin and does not affect circuit operation. The capacitance value (10000 pF) and physical package remain identical. Examples include C0603C103J3RAC7867 (25V, X7R) and C0603C103J3GAC7867 (25V, C0G/NP0).

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R temperature coefficient specifies capacitance variation of ±15% across the -55°C to 125°C operating range. C0G/NP0 temperature coefficient specifies capacitance variation of ±30 ppm/°C, providing superior stability. C0G/NP0 parts are preferred for precision applications where capacitance stability is critical. Both are functionally compatible in bypass and decoupling applications.

Q: Are all substitute parts available in the same 0603 package? A: Yes. All substitute parts listed are manufactured in the 0603 (1608 Metric) surface mount package with identical physical dimensions (0.063" L x 0.031" W, 0.034" max thickness). They are pin-compatible and require no PCB layout modifications.

Q: What is the difference between RoHS non-compliant and ROHS3 Compliant parts? A: RoHS non-compliant parts may contain restricted substances such as lead in solder. ROHS3 Compliant parts meet the Restriction of Hazardous Substances Directive and are suitable for applications subject to environmental regulations. For new designs, ROHS3 Compliant alternatives are recommended. The original part (C0603C103J8RAL7867) is RoHS non-compliant; C0603C103J8RAC7867 is the ROHS3 Compliant equivalent.

Q: Can I substitute a ±1% tolerance part for the ±5% original? A: Yes. A ±1% tolerance part (such as C0603C103F3GAC7867 or C0603C103F4GAC7867) provides tighter capacitance tolerance than the ±5% original and is a direct substitute. Tighter tolerance does not negatively affect circuit operation and may improve performance in precision applications.

Q: Is the C0603C103J3HAC7867 with X8R temperature coefficient compatible? A: Yes. C0603C103J3HAC7867 (25V, X8R, -55°C to 150°C) is compatible. X8R temperature coefficient specifies ±15% capacitance variation across -55°C to 150°C. This part extends the upper operating temperature to 150°C and is suitable for high-temperature applications. It maintains the same 10000 pF capacitance and 0603 package.

Q: What inventory levels are available for each substitute part? A: Inventory availability varies significantly. C0603C103J3GAC7867 (25V, C0G/NP0) has the highest inventory at 320489 pieces. C0603C103J3RAC7867 (25V, X7R) has 149247 pieces. C0603C103G8GAC7867 (10V, C0G/NP0) has 14867 pieces. C0603C103F4GAC7867 (16V, C0G/NP0) has the lowest inventory at 1138 pieces. Verify current availability with your supplier for production quantities.

Q: Are all substitute parts suitable for high-reliability applications? A: The original part (C0603C103J8RAL7867) is specified for high-reliability applications. Most substitute parts are specified for general-purpose applications. For high-reliability requirements, verify application suitability with the manufacturer. C0603C103J5RAL7867 (50V, X7R) is also specified for high-reliability applications.

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