CL21B104KBFNNNF Equivalent & Substitute Parts

Part Overview

The CL21B104KBFNNNF is a 0.1 µF ±10% 50V ceramic capacitor manufactured by Samsung Electro-Mechanics in the CL series. This surface mount multilayer ceramic capacitor (MLCC) features X7R temperature coefficient characteristics and is packaged in 0805 (2012 Metric) form factor with Tape & Reel (TR) packaging. The component is Active status and ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified to address packaging format variations, enhanced automotive ratings, voltage upgrades, and alternative manufacturer options while maintaining core electrical specifications.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	0.1 µF	Must match exactly
Tolerance	±10%	Must match exactly
Voltage - Rated	50V	Can be upgraded; cannot be downgraded
Temperature Coefficient	X7R	Must match exactly
Operating Temperature Range	-55°C ~ 125°C	Must match or exceed
Package / Case	0805 (2012 Metric)	Must match exactly
Mounting Type	Surface Mount, MLCC	Must match exactly
RoHS Status	ROHS3 Compliant	Must match or exceed
Moisture Sensitivity Level	1 (Unlimited)	Must match or exceed

Substitute Part Grouping Explanation

Substitute parts are classified into four categories based on allowed parameter variations:

Direct Substitutes (Packaging Variants): Parts CL21B104KBCNFNC, CL21B104KBCNNNC, and CL21B104KBCNNWC maintain identical electrical specifications (0.1 µF, ±10%, 50V, X7R) and package form factor (0805) but differ in packaging format (Cut Tape & Digi-Reel® instead of Tape & Reel). These are interchangeable at the component level with no functional difference.

Upgrade Substitutes (Automotive/Enhanced Features): Parts CL21B104KBCWPNC, CL21B104KBFWPNE, and CL21B104KBFXPJE maintain core electrical parameters but add AEC-Q200 automotive rating and Open Mode failure characteristics. CL21B104KBFXPJE additionally includes Soft Termination feature. These are suitable for applications requiring automotive-grade reliability.

Voltage Upgrade: Part CL21B104KCFSFNE increases rated voltage to 100V while maintaining all other specifications (0.1 µF, ±10%, X7R, 0805). This part can substitute in applications where higher voltage margin is required.

Parametric Equivalents (Same Manufacturer): Parts CL21B104KBFNNNE and CL21B104KBFNNNG are Samsung Electro-Mechanics components with identical electrical and mechanical specifications to the main part, differing only in packaging format (Cut Tape vs. Tape & Reel).

Cross-Manufacturer Equivalent: Part C0805C104K5RAC7025 from KEMET provides equivalent electrical specifications (0.1 µF, ±10%, 50V, X7R, 0805) with identical compliance and operating characteristics.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Packaging Format	Automotive Rating	Inventory (Pcs)
CL21B104KBFNNNF	Samsung	0.1 µF	±10%	50V	X7R	0805	Tape & Reel	—	917
CL21B104KBCNFNC	Samsung	0.1 µF	±10%	50V	X7R	0805	Cut Tape & Digi-Reel	—	1,828,099
CL21B104KBCNNNC	Samsung	0.1 µF	±10%	50V	X7R	0805	Cut Tape & Digi-Reel	—	4,204
CL21B104KBCNNWC	Samsung	0.1 µF	±10%	50V	X7R	0805	Cut Tape & Digi-Reel	—	59,841
CL21B104KBCWPNC	Samsung	0.1 µF	±10%	50V	X7R	0805	Tape & Reel	AEC-Q200	271,223
CL21B104KBFWPNE	Samsung	0.1 µF	±10%	50V	X7R	0805	Cut Tape & Digi-Reel	AEC-Q200	1,142
CL21B104KBFXPJE	Samsung	0.1 µF	±10%	50V	X7R	0805	Tape & Reel	AEC-Q200	22,386
CL21B104KCFSFNE	Samsung	0.1 µF	±10%	100V	X7R	0805	Cut Tape & Digi-Reel	—	345,358
CL21B104KBFNNNE	Samsung	0.1 µF	±10%	50V	X7R	0805	Cut Tape & Digi-Reel	—	4,300
CL21B104KBFNNNG	Samsung	0.1 µF	±10%	50V	X7R	0805	Tape & Reel	—	195,328
C0805C104K5RAC7025	KEMET	0.1 µF	±10%	50V	X7R	0805	Tape & Reel	—	19,354

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): Select CL21B104KBFNNNG when Tape & Reel packaging is required and higher inventory availability is preferred (195,328 pcs). Select CL21B104KBCNNWC when Cut Tape & Digi-Reel packaging is acceptable and maximum inventory is needed (59,841 pcs). The KEMET C0805C104K5RAC7025 provides cross-manufacturer equivalence with identical electrical and compliance characteristics.

For Automotive Applications: Select CL21B104KBCWPNC (Tape & Reel, 271,223 pcs) or CL21B104KBFXPJE (Tape & Reel with Soft Termination, 22,386 pcs) when AEC-Q200 automotive qualification is required. Both maintain 50V rating and X7R characteristics with Open Mode failure rating.

For Voltage Margin Enhancement: Select CL21B104KCFSFNE when application design requires 100V rated voltage while maintaining 0.1 µF capacitance and X7R temperature stability. This part is available in high volume (345,358 pcs) in Cut Tape & Digi-Reel format.

For Packaging Format Conversion: All Samsung CL series substitutes maintain ROHS3 compliance and MSL 1 rating. Conversion between Tape & Reel and Cut Tape & Digi-Reel formats does not affect component performance or reliability characteristics.

Frequently Asked Questions (FAQ)

Q: Can CL21B104KBCNNNC replace CL21B104KBFNNNF directly? A: Yes. Both parts have identical electrical specifications (0.1 µF, ±10%, 50V, X7R) and package form factor (0805). The difference is packaging format: CL21B104KBCNNNC uses Cut Tape & Digi-Reel while CL21B104KBFNNNF uses Tape & Reel. Component-level performance is identical.

Q: What is the difference between the main part and CL21B104KBFXPJE? A: CL21B104KBFXPJE adds AEC-Q200 automotive rating and Soft Termination feature while maintaining identical electrical specifications and 0805 package. It is suitable for automotive applications requiring enhanced reliability qualification.

Q: Can I use CL21B104KCFSFNE as a substitute? A: CL21B104KCFSFNE is a voltage upgrade (100V vs. 50V) with identical capacitance (0.1 µF), tolerance (±10%), temperature coefficient (X7R), and package (0805). It can substitute in applications where higher voltage rating provides design margin, but it is not required for 50V-rated circuits.

Q: Is the KEMET C0805C104K5RAC7025 fully compatible? A: Yes. The KEMET part provides equivalent electrical specifications (0.1 µF, ±10%, 50V, X7R, 0805), identical operating temperature range (-55°C ~ 125°C), and equivalent compliance (ROHS3, MSL 1). Cross-manufacturer substitution is electrically and mechanically valid.

Q: What does MSL 1 (Unlimited) mean for substitution? A: MSL 1 indicates unlimited shelf life and no moisture sensitivity precautions required. All substitute parts maintain MSL 1 rating, ensuring no additional handling or storage requirements during substitution.

Q: Can packaging format affect circuit performance? A: No. Tape & Reel and Cut Tape & Digi-Reel are distribution formats only. Once components are mounted on the PCB, packaging format has no effect on electrical performance, reliability, or operating characteristics.

Q: Why are there multiple Samsung part numbers for the same specifications? A: Multiple part numbers reflect different manufacturing dates, packaging formats, and internal process codes. These variations do not affect electrical or mechanical performance. Selection is based on packaging availability and inventory requirements.

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