CL10B331KB8NFNC Equivalent & Substitute Parts

Part Overview

The CL10B331KB8NFNC is a 330 pF ±10% 50V ceramic capacitor manufactured by Samsung Electro-Mechanics in the 0603 (1608 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) features X7R temperature coefficient characteristics and operates across the -55°C to 125°C temperature range. The part maintains Active product status and is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified based on matching or upgraded electrical specifications, identical mechanical packaging, and compatible manufacturing certifications. Substitutes are categorized by parametric equivalence, direct manufacturer alternatives, and upgraded performance variants.

Key Parameters

Parameter	Value
Capacitance	330 pF
Tolerance	±10%
Voltage - Rated	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Mounting Type	Surface Mount, MLCC
Package / Case	0603 (1608 Metric)
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)
Thickness (Max)	0.035" (0.90mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on substitution criteria:

Parametric Equivalent: Parts with identical electrical specifications (330 pF, ±10%, 50V, X7R) and mechanical compatibility. These parts differ only in packaging format or internal manufacturing designation and provide direct functional replacement.

Direct Manufacturer Equivalent: Parts from alternative manufacturers (KEMET, KYOCERA AVX) that match all critical electrical parameters and package specifications. These parts satisfy identical circuit requirements and are mechanically interchangeable.

Upgraded Variants: Parts with enhanced specifications including higher voltage ratings (100V, 200V, 250V) or tighter tolerance (±5%) while maintaining the same capacitance value, package size, and temperature coefficient. These parts provide superior performance margins and are backward compatible with the original specification.

The following parameters determine substitution eligibility:

Capacitance value (330 pF)
Temperature coefficient (X7R)
Package / Case (0603 / 1608 Metric)
Operating temperature range (-55°C to 125°C)
Mounting type (Surface Mount, MLCC)
RoHS and REACH compliance status

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Product Status	Inventory
CL10B331KB8NFNC	Samsung Electro-Mechanics	330 pF	±10%	50V	X7R	0603	Active	922 Pcs
CL10B331KB8NNNC	Samsung Electro-Mechanics	330 pF	±10%	50V	X7R	0603	Active	12300 Pcs
C0603C331K5RAC7867	KEMET	330 pF	±10%	50V	X7R	0603	Active	159279 Pcs
KGM15AR71H331KT	KYOCERA AVX	330 pF	±10%	50V	X7R	0603	Active	32738 Pcs
C0603C331J5RAC7867	KEMET	330 pF	±5%	50V	X7R	0603	Active	1560 Pcs
C0603C331K1RAC7867	KEMET	330 pF	±10%	100V	X7R	0603	Active	102053 Pcs
C0603C331K2RAC7867	KEMET	330 pF	±10%	200V	X7R	0603	Active	11124 Pcs
GRM188R72A331KA01D	Murata Electronics	330 pF	±10%	100V	X7R	0603	Not For New Designs	33160 Pcs
GRM188R72E331KW07D	Murata Electronics	330 pF	±10%	250V	X7R	0603	Not For New Designs	23774 Pcs
KGM15AR71H331JT	KYOCERA AVX	330 pF	±5%	50V	X7R	0603	Active	4843 Pcs
KGM15AR72A331JT	KYOCERA AVX	330 pF	±5%	100V	X7R	0603	Active	6426 Pcs

Engineering Selection Recommendations

Parametric Equivalent Selection: CL10B331KB8NNNC provides direct functional replacement with identical electrical and mechanical specifications. This Samsung part differs only in packaging format (Cut Tape & Digi-Reel versus standard packaging) and offers significantly higher inventory availability (12300 Pcs versus 922 Pcs).

Direct Manufacturer Alternatives: C0603C331K5RAC7867 (KEMET) and KGM15AR71H331KT (KYOCERA AVX) are functionally equivalent parts from established manufacturers. Both maintain Active product status, ROHS3 compliance, and identical electrical performance. KEMET part offers the highest inventory level (159279 Pcs).

Upgraded Voltage Variants: Parts with 100V, 200V, or 250V ratings (C0603C331K1RAC7867, C0603C331K2RAC7867, KGM15AR72A331JT) provide enhanced voltage margin while maintaining backward compatibility. These upgrades are suitable for applications requiring improved reliability or operating in higher voltage environments.

Tolerance Upgrades: C0603C331J5RAC7867 and KGM15AR71H331JT offer ±5% tolerance versus the original ±10%, providing tighter capacitance control for precision circuit applications.

Legacy Consideration: Murata parts GRM188R72A331KA01D and GRM188R72E331KW07D carry "Not For New Designs" status. These parts remain available but should not be selected for new product development.

All substitute parts maintain ROHS3 compliance, REACH Unaffected status, and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can CL10B331KB8NNNC replace CL10B331KB8NFNC directly?

A: Yes. CL10B331KB8NNNC is a parametric equivalent with identical electrical specifications (330 pF, ±10%, 50V, X7R) and mechanical package (0603). The difference is packaging format only. Both parts are Samsung Electro-Mechanics products with Active status.

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

A: Tolerance specifies the allowable deviation from the nominal 330 pF capacitance value. ±10% tolerance allows 297-363 pF; ±5% tolerance allows 313.5-346.5 pF. Tighter tolerance (±5%) provides more precise capacitance control for applications requiring strict circuit performance.

Q: Can I use a 100V rated part in place of the 50V original?

A: Yes. Higher voltage-rated parts (100V, 200V, 250V) are backward compatible with 50V applications. The capacitor will operate safely at lower voltages with improved reliability margin. Mechanical package and electrical performance remain identical.

Q: Are KEMET and KYOCERA AVX parts mechanically compatible with Samsung parts?

A: Yes. All substitute parts use identical 0603 (1608 Metric) package specifications with matching dimensions (0.063" L x 0.031" W, 1.60mm x 0.80mm) and thickness (0.035" / 0.90mm maximum). Surface mount assembly equipment handles all parts identically.

Q: Why do some parts show "Not For New Designs" status?

A: Murata parts GRM188R72A331KA01D and GRM188R72E331KW07D are legacy products. While functionally equivalent and currently in stock, manufacturers recommend using Active status alternatives for new product development to ensure long-term supply continuity.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the lowest moisture sensitivity level. These parts require no special moisture control during storage or handling and can be stored indefinitely at room temperature without desiccant packaging.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, meeting environmental and regulatory requirements for commercial and industrial applications.

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