CL10B392KB8SFNC Equivalent & Substitute Parts

Part Overview

The CL10B392KB8SFNC is a 3900 pF ±10% 50V ceramic capacitor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) surface mount package with X7R temperature coefficient. This multilayer ceramic capacitor (MLCC) is designed for boardflex-sensitive applications and features soft termination technology. The part is currently active in production with 686 pieces in stock inventory.

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design requirements permit upgraded electrical specifications. Alternative sources from KEMET and KYOCERA AVX provide functionally compatible options with identical or enhanced performance characteristics.

Key Parameters

Parameter	Value	Substitution Relevance
Capacitance	3900 pF	Critical - must match exactly
Voltage Rating	50V	Critical - substitutes may have higher ratings
Tolerance	±10%	Critical - tighter tolerances acceptable
Temperature Coefficient	X7R	Critical - must match for thermal stability
Package	0603 (1608 Metric)	Critical - physical compatibility
Operating Temperature	-55°C ~ 125°C	Critical - must meet or exceed range
Mounting Type	Surface Mount, MLCC	Critical - assembly compatibility
RoHS Status	ROHS3 Compliant	Regulatory - must maintain compliance
MSL Rating	1 (Unlimited)	Handling - no moisture sensitivity constraints

Substitute Part Grouping Explanation

Substitution logic is based on the following allowed parameters:

Direct Equivalents (identical electrical specifications):

Capacitance: 3900 pF
Voltage Rating: 50V
Tolerance: ±10%
Temperature Coefficient: X7R
Package: 0603 (1608 Metric)
Operating Temperature: -55°C ~ 125°C

Upgraded Substitutes (enhanced specifications):

Voltage Rating: 100V (higher voltage rating with same or better tolerance)
Tolerance: ±5% (tighter tolerance with same or higher voltage rating)

All substitute parts maintain identical package dimensions, surface mount compatibility, RoHS3 compliance, and MSL 1 rating. Substitutes are grouped by electrical specification changes only.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Temp Coeff	Package	Thickness (Max)	Inventory	Substitution Type
CL10B392KB8SFNC	Samsung Electro-Mechanics	3900 pF	50V	±10%	X7R	0603	0.90mm	686	Primary
C0603C392K5RAC7867	KEMET	3900 pF	50V	±10%	X7R	0603	0.87mm	36199	Direct Equivalent
KGM15AR71H392KT	KYOCERA AVX	3900 pF	50V	±10%	X7R	0603	0.90mm	44909	Direct Equivalent
C0603C392J5RAC7867	KEMET	3900 pF	50V	±5%	X7R	0603	0.87mm	8832	Upgraded - Tolerance
KGM15AR71H392JT	KYOCERA AVX	3900 pF	50V	±5%	X7R	0603	0.90mm	11800	Upgraded - Tolerance
C0603C392J1RAC7867	KEMET	3900 pF	100V	±5%	X7R	0603	0.87mm	8756	Upgraded - Voltage & Tolerance
C0603C392K1RAC7867	KEMET	3900 pF	100V	±10%	X7R	0603	0.87mm	6102	Upgraded - Voltage
KGF15AR72A392JT	KYOCERA AVX	3900 pF	100V	±5%	X7R	0603	0.94mm	8946	Upgraded - Voltage & Tolerance
KGM15AR72A392JT	KYOCERA AVX	3900 pF	100V	±5%	X7R	0603	0.35mm	12510	Upgraded - Voltage & Tolerance
KGM15AR72A392KT	KYOCERA AVX	3900 pF	100V	±10%	X7R	0603	0.35mm	14215	Upgraded - Voltage

Engineering Selection Recommendations

Direct Equivalent Selection:

C0603C392K5RAC7867 (KEMET) and KGM15AR71H392KT (KYOCERA AVX) are direct electrical equivalents to CL10B392KB8SFNC. Both parts maintain identical capacitance, voltage rating, tolerance, and temperature coefficient specifications. Selection between these options depends on supplier availability and inventory levels. KEMET part shows 36,199 units in stock; KYOCERA AVX shows 44,909 units. Both are ROHS3 compliant with MSL 1 rating.

Upgraded Substitute Selection:

Upgraded parts with ±5% tolerance (C0603C392J5RAC7867, KGM15AR71H392JT) are suitable when circuit design permits tighter capacitance tolerance at 50V rating. These parts provide improved performance without voltage derating.

Upgraded parts with 100V rating (C0603C392J1RAC7867, C0603C392K1RAC7867, KGF15AR72A392JT, KGM15AR72A392JT, KGM15AR72A392KT) are suitable when circuit design permits higher voltage margin. These parts provide enhanced reliability through increased voltage headroom while maintaining identical capacitance and temperature coefficient.

All substitute parts maintain ROHS3 compliance and MSL 1 rating. Physical package dimensions (0603) are identical across all options, ensuring PCB layout compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use a 100V rated capacitor in place of the 50V CL10B392KB8SFNC?

A: Yes. A 100V rated capacitor with identical capacitance (3900 pF), temperature coefficient (X7R), and package (0603) is electrically compatible. The higher voltage rating provides additional safety margin and does not degrade circuit performance. Verify PCB layout accommodates the substitute part's thickness specification.

Q: What is the difference between ±10% and ±5% tolerance substitutes?

A: Tolerance specifies the allowable deviation from the nominal 3900 pF capacitance value. ±10% tolerance allows 3510-4290 pF; ±5% tolerance allows 3705-4095 pF. Tighter ±5% tolerance is suitable for circuits requiring more precise capacitance values. Both tolerances are acceptable for general bypass and decoupling applications.

Q: Are KEMET and KYOCERA AVX parts pin-compatible with Samsung CL10B392KB8SFNC?

A: Yes. All substitute parts use identical 0603 (1608 Metric) surface mount package with standard MLCC termination. PCB footprints are interchangeable. Verify thickness specifications when space constraints exist; most substitutes have 0.87-0.90mm maximum thickness, identical to the primary part.

Q: Which substitute part has the highest inventory availability?

A: KYOCERA AVX KGM15AR71H392KT (direct equivalent, 50V, ±10%) shows 44,909 units in stock, the highest among all options. KEMET C0603C392K5RAC7867 (direct equivalent, 50V, ±10%) shows 36,199 units.

Q: Do all substitute parts maintain RoHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level) rating, matching the primary part's regulatory and handling requirements.

Q: Can I mix different manufacturers' parts in the same production batch?

A: Yes. All substitute parts meet identical electrical specifications (capacitance, voltage, tolerance, temperature coefficient) and package requirements. Manufacturing source does not affect circuit performance when specifications are matched. Verify supplier documentation for any specific application requirements.

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