0603J0100392JCT Equivalent & Substitute Parts

Part Overview

The 0603J0100392JCT is a 3900 pF ceramic capacitor manufactured by Knowles Syfer, rated at 10V with C0G/NP0 temperature coefficient in 0603 (1608 Metric) surface mount package. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are necessary when the original manufacturer part becomes unavailable, when higher voltage ratings are required for circuit margin, or when alternative temperature coefficient specifications (X7R) are needed for specific application requirements while maintaining the same capacitance value and package footprint.

Key Parameters

Parameter	Value
Capacitance	3900 pF
Tolerance	±5%
Voltage Rating	10V
Temperature Coefficient	C0G, NP0 (1B)
Operating Temperature Range	-55°C ~ 125°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 for the 0603J0100392JCT is determined by the following criteria:

Primary Substitution Parameters:

Capacitance value: 3900 pF (fixed)
Tolerance: ±5% (fixed)
Package / Case: 0603 (1608 Metric) (fixed)
Mounting Type: Surface Mount, MLCC (fixed)
Operating Temperature Range: -55°C ~ 125°C minimum (fixed)
RoHS Status: ROHS3 Compliant (fixed)
Moisture Sensitivity Level: 1 (Unlimited) (fixed)

Variable Substitution Parameters:

Voltage Rating: 10V or higher (upgradeable)
Temperature Coefficient: C0G/NP0 (primary) or X7R (alternative)

Substitute parts are grouped into two categories:

Category 1 - C0G/NP0 Temperature Coefficient Upgrades: Parts maintaining C0G/NP0 specification with voltage ratings of 25V, 50V, or 100V. These provide direct functional equivalence with enhanced voltage margin.

Category 2 - X7R Temperature Coefficient Alternatives: Parts with X7R temperature coefficient at 50V or 100V ratings. These offer alternative dielectric characteristics suitable for bypass and decoupling applications where temperature stability requirements differ from the original C0G/NP0 specification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Operating Temperature	Package	Thickness (Max)	Product Status	Inventory
0603J0100392JCT	Knowles Syfer	3900 pF	±5%	10V	C0G, NP0	-55°C ~ 125°C	0603 (1608 Metric)	0.031" (0.80mm)	Active	751 Pcs
C0603C392J1GAC7867	KEMET	3900 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0603 (1608 Metric)	0.034" (0.87mm)	Active	2530 Pcs
C0603C392J3GAC7867	KEMET	3900 pF	±5%	25V	C0G, NP0	-55°C ~ 125°C	0603 (1608 Metric)	0.034" (0.87mm)	Active	4246 Pcs
C0603C392J5GAC7867	KEMET	3900 pF	±5%	50V	C0G, NP0	-55°C ~ 125°C	0603 (1608 Metric)	0.034" (0.87mm)	Active	86817 Pcs
C1608C0G1E392J080AA	TDK Corporation	3900 pF	±5%	25V	C0G, NP0	-55°C ~ 125°C	0603 (1608 Metric)	0.035" (0.90mm)	Last Time Buy	17977 Pcs
C1608C0G1H392J080AA	TDK Corporation	3900 pF	±5%	50V	C0G, NP0	-55°C ~ 125°C	0603 (1608 Metric)	0.035" (0.90mm)	Last Time Buy	29413 Pcs
C1608NP01H392J080AA	TDK Corporation	3900 pF	±5%	50V	C0G, NP0	-55°C ~ 150°C	0603 (1608 Metric)	0.035" (0.90mm)	Active	5232 Pcs
C0603C392J1RAC7867	KEMET	3900 pF	±5%	100V	X7R	-55°C ~ 125°C	0603 (1608 Metric)	0.034" (0.87mm)	Active	8756 Pcs
C0603C392J5RAC7867	KEMET	3900 pF	±5%	50V	X7R	-55°C ~ 125°C	0603 (1608 Metric)	0.034" (0.87mm)	Active	8832 Pcs
CC0603JRX7R9BB392	YAGEO	3900 pF	±5%	50V	X7R	-55°C ~ 125°C	0603 (1608 Metric)	0.035" (0.90mm)	Active	6924 Pcs
KGM15AR71H392JT	KYOCERA AVX	3900 pF	±5%	50V	X7R	-55°C ~ 125°C	0603 (1608 Metric)	0.035" (0.90mm)	Active	11800 Pcs

Engineering Selection Recommendations

C0G/NP0 Direct Substitutes (Recommended for Direct Replacement):

C0603C392J5GAC7867 (KEMET, 50V) is the primary substitute option, offering Active product status, highest inventory availability (86817 Pcs), and voltage margin above the original 10V specification. This part maintains identical C0G/NP0 temperature coefficient performance.

C0603C392J3GAC7867 (KEMET, 25V) provides Active status with substantial inventory (4246 Pcs) and adequate voltage margin for most applications requiring the original 10V rating.

C0603C392J1GAC7867 (KEMET, 100V) offers maximum voltage headroom with Active status and good availability (2530 Pcs) for applications requiring enhanced circuit margin.

C1608NP01H392J080AA (TDK Corporation, 50V) is an Active product with extended operating temperature range (-55°C ~ 150°C) and high inventory (5232 Pcs), suitable for applications requiring higher temperature performance.

C1608C0G1H392J080AA (TDK Corporation, 50V) and C1608C0G1E392J080AA (TDK Corporation, 25V) are classified as Last Time Buy, indicating discontinued product lines. These parts carry higher inventory but should be selected only when other options are unavailable.

X7R Temperature Coefficient Alternatives (For Bypass/Decoupling Applications):

C0603C392J5RAC7867 (KEMET, 50V X7R) and CC0603JRX7R9BB392 (YAGEO, 50V X7R) and KGM15AR71H392JT (KYOCERA AVX, 50V X7R) are suitable alternatives when X7R temperature coefficient characteristics are acceptable for the application. All three maintain Active product status with adequate inventory levels.

C0603C392J1RAC7867 (KEMET, 100V X7R) provides maximum voltage rating with X7R specification and Active status.

Compliance & Certification:

All substitute parts maintain ROHS3 compliance, unlimited moisture sensitivity level (MSL 1), and equivalent mechanical compatibility with the original 0603 (1608 Metric) package footprint.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage rated capacitor as a substitute?

A: Yes. A capacitor rated at 25V, 50V, or 100V can replace the original 10V part, as voltage rating is an upgradeable parameter. Higher voltage ratings provide additional circuit margin without affecting capacitance value or tolerance.

Q: What is the difference between C0G/NP0 and X7R temperature coefficients?

A: C0G/NP0 provides superior temperature stability with minimal capacitance variation across the operating temperature range, suitable for precision applications. X7R offers broader temperature performance characteristics and is commonly used in bypass and decoupling applications. Both maintain the same capacitance value and tolerance at the specified operating temperature range.

Q: Are there physical size differences between substitute parts?

A: All substitute parts use the 0603 (1608 Metric) package with identical length (0.063" / 1.60mm) and width (0.031" / 0.80mm). Thickness varies slightly between manufacturers: Knowles Syfer original is 0.031" (0.80mm), KEMET parts are 0.034" (0.87mm), TDK and YAGEO parts are 0.035" (0.90mm), and KYOCERA AVX is 0.035" (0.90mm). These minor thickness variations are within standard PCB assembly tolerances.

Q: Which substitute offers the best availability?

A: C0603C392J5GAC7867 (KEMET, 50V C0G/NP0) has the highest inventory at 86817 Pcs with Active product status, making it the most readily available option.

Q: Can I use Last Time Buy parts?

A: C1608C0G1H392J080AA and C1608C0G1E392J080AA are classified as Last Time Buy, indicating these product lines are discontinued. While substantial inventory exists, these parts should be selected only when other Active status alternatives are unavailable, as future procurement may not be possible.

Q: What packaging formats are available?

A: The original part is supplied in Tape & Reel (TR) format. Most KEMET and KYOCERA AVX substitutes are also Tape & Reel. TDK Corporation parts are supplied in Cut Tape (CT) format. Verify packaging requirements with your procurement process.

Q: Are all parts RoHS compliant?

A: Yes. All listed parts, including the original 0603J0100392JCT and all substitutes, are ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

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