CL21B474KBFSFNE Equivalent & Substitute Parts

Part Overview

The CL21B474KBFSFNE is a 0.47 µF ±10% 50V ceramic capacitor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package with X7R temperature coefficient. This surface mount multilayer ceramic capacitor (MLCC) is designed for boardflex-sensitive applications and features soft termination technology. The part is currently in active production status with 701 pieces available in inventory.

Substitute parts become necessary when the original part experiences supply constraints, extended lead times, or when design requirements permit functional equivalents from alternative manufacturers. The parts listed below maintain electrical and mechanical compatibility with the CL21B474KBFSFNE while offering different availability profiles and packaging options.

Key Parameters

Parameter	Value	Specification Range
Capacitance	0.47 µF	±10% tolerance
Voltage Rating	50V	Rated DC voltage
Temperature Coefficient	X7R	-55°C to 125°C operating range
Package Type	0805 (2012 Metric)	2.00mm L × 1.25mm W
Mounting Type	Surface Mount MLCC	Reflow soldering compatible
RoHS Status	ROHS3 Compliant	Lead-free construction
Moisture Sensitivity	MSL 1 (Unlimited)	No baking required

Substitute Part Grouping Explanation

Substitution eligibility for the CL21B474KBFSFNE is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Capacitance value: 0.47 µF
Voltage rating: 50V minimum
Temperature coefficient: X7R
Package: 0805 (2012 Metric)
Mounting type: Surface Mount MLCC
RoHS3 compliance
MSL rating: 1 (Unlimited)

Tolerance Consideration: The main part specifies ±10% tolerance. Direct substitutes maintain this tolerance. One upgrade option (C0805C474J5RAC7800) offers tighter ±5% tolerance, which is functionally superior for applications requiring higher capacitance accuracy.

Voltage Upgrade Option: One substitute (GRM21BR72A474KA73L) provides 100V rating instead of 50V. This represents a voltage upgrade suitable for applications where higher voltage margin is beneficial, though it is not required for 50V-rated circuits.

Packaging Variants: Samsung CL series parts are available in Cut Tape (CT) & Digi-Reel® or standard packaging. These represent the same electrical component with different distribution formats.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Inventory	Status
CL21B474KBFSFNE	Samsung Electro-Mechanics	0.47 µF	±10%	50V	X7R	0805	1.35mm	701	Active
CL21B474KBFNFNE	Samsung Electro-Mechanics	0.47 µF	±10%	50V	X7R	0805	1.35mm	8200	Active
CL21B474KBFNNNE	Samsung Electro-Mechanics	0.47 µF	±10%	50V	X7R	0805	1.35mm	8300	Active
CL21B474KBFNNNG	Samsung Electro-Mechanics	0.47 µF	±10%	50V	X7R	0805	1.35mm	369511	Active
C0805C474K5RAC7800	KEMET	0.47 µF	±10%	50V	X7R	0805	1.10mm	205401	Active
GRM21BR71H474KA88K	Murata Electronics	0.47 µF	±10%	50V	X7R	0805	1.35mm	89758	Active
GRM21BR71H474KA88L	Murata Electronics	0.47 µF	±10%	50V	X7R	0805	1.35mm	9177	Active
KGM21AR71H474KU	KYOCERA AVX	0.47 µF	±10%	50V	X7R	0805	1.45mm	25415	Active
UMK212B7474KG-T	Taiyo Yuden	0.47 µF	±10%	50V	X7R	0805	1.35mm	2038	Not For New Designs
C0805C474J5RAC7800	KEMET	0.47 µF	±5%	50V	X7R	0805	1.10mm	2582	Active
GRM21BR72A474KA73L	Murata Electronics	0.47 µF	±10%	100V	X7R	0805	1.35mm	3188	Active

Engineering Selection Recommendations

Direct Substitutes (Electrical and Mechanical Equivalents):

The following parts are direct substitutes with identical electrical specifications and active production status:

CL21B474KBFNFNE, CL21B474KBFNNNE, CL21B474KBFNNNG (Samsung Electro-Mechanics): Same manufacturer variants with significantly higher inventory availability. CL21B474KBFNNNG offers the largest stock position at 369,511 units.
C0805C474K5RAC7800 (KEMET): Functionally equivalent with 205,401 units in stock. Thickness is reduced to 1.10mm, which may provide board layout advantages in space-constrained designs.
GRM21BR71H474KA88K and GRM21BR71H474KA88L (Murata Electronics): Equivalent specifications with 89,758 and 9,177 units respectively. Both maintain 1.35mm thickness matching the original part.
KGM21AR71H474KU (KYOCERA AVX): Meets all electrical requirements with 25,415 units available. Thickness is 1.45mm, which is within acceptable tolerance for most PCB designs.

Upgrade Options:

C0805C474J5RAC7800 (KEMET): Offers tighter ±5% tolerance compared to the ±10% specification of the main part. Suitable for applications requiring improved capacitance accuracy. Reduced thickness (1.10mm) provides additional board layout flexibility.
GRM21BR72A474KA73L (Murata Electronics): Provides 100V voltage rating versus the 50V specification. This upgrade is suitable for circuits where higher voltage margin is required or where the same part must serve multiple voltage-rated applications.

Parts to Avoid for New Designs:

UMK212B7474KG-T (Taiyo Yuden): Marked as "Not For New Designs." While electrically equivalent, this part should not be selected for new product development due to its obsolescence trajectory.

Compliance and Certification:

All recommended substitutes maintain ROHS3 compliance, REACH unaffected status, and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing processes and environmental regulations.

Frequently Asked Questions (FAQ)

Q: Can I use CL21B474KBFNFNE as a direct replacement for CL21B474KBFSFNE?

A: Yes. Both parts are manufactured by Samsung Electro-Mechanics with identical electrical specifications (0.47 µF, ±10%, 50V, X7R). The difference lies in packaging format and inventory availability. CL21B474KBFNFNE is available in Cut Tape (CT) & Digi-Reel® format with 8200 units in stock compared to 701 units of the original part.

Q: What is the difference between the Samsung CL21B474KBFNNNG and CL21B474KBFSFNE?

A: Both parts are electrically identical 0.47 µF ±10% 50V X7R capacitors in 0805 package. The primary difference is inventory availability: CL21B474KBFNNNG has 369,511 units in stock, making it the highest-availability option. The part number suffix variation indicates different packaging or distribution batches from Samsung.

Q: Can I substitute a KEMET C0805C474K5RAC7800 for the Samsung part?

A: Yes. The KEMET part meets all electrical requirements with identical capacitance, tolerance, voltage, and temperature coefficient. The thickness is reduced to 1.10mm versus 1.35mm for the Samsung part, which is advantageous for compact PCB designs. KEMET inventory is 205,401 units.

Q: What is the advantage of using C0805C474J5RAC7800 instead of the standard ±10% tolerance parts?

A: The C0805C474J5RAC7800 offers ±5% tolerance, providing tighter capacitance accuracy. This is beneficial for applications where precise capacitance values are critical, such as timing circuits or precision filtering networks. It is functionally superior but should only be selected if the tighter tolerance is required by the circuit design.

Q: Can I use GRM21BR72A474KA73L (100V) in place of the 50V-rated CL21B474KBFSFNE?

A: Yes, from an electrical standpoint. The 100V rating provides higher voltage margin and can be used in 50V circuits without functional issues. However, this substitution should only be made if the design permits the use of a higher-voltage component. The 100V part may have different dielectric characteristics that could affect circuit performance in sensitive applications.

Q: Why is UMK212B7474KG-T marked as "Not For New Designs"?

A: This Taiyo Yuden part is electrically equivalent but is designated as obsolete or end-of-life. Manufacturers mark parts this way to discourage new product designs from incorporating them, as future availability cannot be guaranteed. For new designs, select from the active status parts listed.

Q: Are there any thickness considerations when selecting a substitute?

A: Yes. The original CL21B474KBFSFNE has a maximum thickness of 1.35mm. KEMET C0805C474K5RAC7800 is thinner at 1.10mm, which is beneficial for space-constrained boards. KYOCERA AVX KGM21AR71H474KU is slightly thicker at 1.45mm. Verify PCB clearance specifications before selecting based on thickness differences.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All listed substitutes maintain MSL 1 (Unlimited) rating, identical to the original part. This means no baking or special moisture handling is required before soldering, and standard storage conditions are acceptable.

Q: Which substitute offers the best inventory availability?

A: CL21B474KBFNNNG (Samsung Electro-Mechanics) offers the highest inventory with 369,511 units in stock. This part is electrically and mechanically identical to the original CL21B474KBFSFNE and represents the optimal choice for supply chain continuity.

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