CL21B474KAFNFNE Equivalent & Substitute Parts

Part Overview

The CL21B474KAFNFNE is a 0.47 µF ±10% 25V ceramic capacitor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package with X7R temperature coefficient. This multilayer ceramic capacitor (MLCC) is designed for general-purpose applications requiring surface-mount technology. The part is currently active in production with 721 pieces in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements demand higher voltage ratings, or when alternative packaging formats are required for manufacturing processes. This reference provides direct substitutes from Samsung Electro-Mechanics and parametric equivalents from other manufacturers that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Specification Range
Capacitance	0.47 µF	±10% tolerance
Voltage Rating	25V	Rated DC working voltage
Temperature Coefficient	X7R	-55°C to 125°C operating range
Package / Case	0805 (2012 Metric)	2.00mm L × 1.25mm W × 1.35mm Max thickness
Mounting Type	Surface Mount, MLCC	Reflow soldering compatible
Compliance	ROHS3, REACH Unaffected	EAR99, HTSUS 8532.24.0020
Moisture Sensitivity	MSL 1 (Unlimited)	No moisture bake-out required

Substitute Part Grouping Explanation

Substitute parts for the CL21B474KAFNFNE are categorized into three groups based on substitution criteria:

Upgrade Substitutes (Higher Voltage Rating): Parts CL21B474KBFNFNE, CL21B474KBFNNNE, and CL21B474KBFNNNG maintain identical capacitance (0.47 µF), tolerance (±10%), temperature coefficient (X7R), package (0805), and operating temperature range (-55°C to 125°C) but feature a 50V voltage rating instead of 25V. These parts are direct upgrades suitable for applications requiring higher voltage margin or operating in elevated voltage environments. Packaging varies between Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) formats.

Parametric Equivalents (Same Voltage, Different Packaging): Parts CL21B474KAFNNNE, CL21B474KAFNNNG, and CL21B474KAFNNWG are Samsung Electro-Mechanics parts with identical electrical specifications (0.47 µF, ±10%, 25V, X7R, -55°C to 125°C) and package dimensions (0805) but differ in packaging format (Cut Tape & Digi-Reel® or Tape & Reel). These are direct equivalents for applications where the original packaging is unavailable.

Direct Manufacturer Equivalents (Cross-Manufacturer): Parts from KEMET (C0805C474K3RAC7800), TDK Corporation (C2012X7R1E474K125AA), YAGEO (CC0805KKX7R8BB474), and Murata Electronics (GRM219R71E474KA88D) provide electrical and mechanical equivalence across manufacturers. All maintain 0.47 µF capacitance, ±10% tolerance, 25V rating, X7R temperature coefficient, 0805 package footprint, and -55°C to 125°C operating range. Physical thickness varies slightly (0.049" to 0.057") within acceptable PCB assembly tolerances.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Temp Coeff	Package	Thickness (Max)	Packaging Format	Inventory	Product Status
CL21B474KAFNFNE	Samsung Electro-Mechanics	0.47 µF	25V	±10%	X7R	0805	0.053" (1.35mm)	Tape & Reel (TR)	721 Pcs	Active
CL21B474KBFNFNE	Samsung Electro-Mechanics	0.47 µF	50V	±10%	X7R	0805	0.053" (1.35mm)	Cut Tape (CT) & Digi-Reel®	8200 Pcs	Active
CL21B474KBFNNNE	Samsung Electro-Mechanics	0.47 µF	50V	±10%	X7R	0805	0.053" (1.35mm)	Cut Tape (CT) & Digi-Reel®	8300 Pcs	Active
CL21B474KBFNNNG	Samsung Electro-Mechanics	0.47 µF	50V	±10%	X7R	0805	0.053" (1.35mm)	Cut Tape (CT) & Digi-Reel®	369511 Pcs	Active
CL21B474KAFNNNE	Samsung Electro-Mechanics	0.47 µF	25V	±10%	X7R	0805	0.053" (1.35mm)	Cut Tape (CT) & Digi-Reel®	4300 Pcs	Active
CL21B474KAFNNNG	Samsung Electro-Mechanics	0.47 µF	25V	±10%	X7R	0805	0.053" (1.35mm)	Tape & Reel (TR)	729803 Pcs	Active
CL21B474KAFNNWG	Samsung Electro-Mechanics	0.47 µF	25V	±10%	X7R	0805	0.053" (1.35mm)	Cut Tape (CT) & Digi-Reel®	914 Pcs	Active
C0805C474K3RAC7800	KEMET	0.47 µF	25V	±10%	X7R	0805	0.055" (1.40mm)	Tape & Reel (TR)	38786 Pcs	Active
C2012X7R1E474K125AA	TDK Corporation	0.47 µF	25V	±10%	X7R	0805	0.057" (1.45mm)	Tape & Reel (TR)	89214 Pcs	Active
CC0805KKX7R8BB474	YAGEO	0.47 µF	25V	±10%	X7R	0805	0.049" (1.25mm)	Tape & Reel (TR)	5288 Pcs	Active
GRM219R71E474KA88D	Murata Electronics	0.47 µF	25V	±10%	X7R	0805	0.037" (0.95mm)	Tape & Reel (TR)	30357 Pcs	Not For New Designs

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): Select CL21B474KAFNNNG or CL21B474KAFNNNE from Samsung Electro-Mechanics when packaging format differs from the original part. Both maintain identical electrical performance and are in active production status. CL21B474KAFNNNG offers significantly higher inventory (729,803 pieces) compared to CL21B474KAFNNNE (4,300 pieces).

For Cross-Manufacturer Equivalents: KEMET C0805C474K3RAC7800, TDK C2012X7R1E474K125AA, and YAGEO CC0805KKX7R8BB474 are suitable alternatives with active product status and ROHS3 compliance. All three maintain identical electrical specifications and 0805 package footprint. Physical thickness variations (0.049" to 0.057") are within standard PCB assembly tolerances and do not affect electrical performance or reflow soldering compatibility.

For Voltage Margin Applications: CL21B474KBFNNNG, CL21B474KBFNNNE, and CL21B474KBFNFNE provide 50V rating while maintaining all other specifications. These upgrades are suitable for designs requiring higher voltage derating or operation in elevated voltage environments. CL21B474KBFNNNG has the highest inventory availability (369,511 pieces) among the 50V variants.

Avoid New Designs: GRM219R71E474KA88D from Murata Electronics carries "Not For New Designs" status and should not be selected for new product development, though it remains available for legacy system support.

Compliance Verification: All recommended parts are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is MSL 1 (unlimited) across all parts, eliminating moisture bake-out requirements during assembly.

Frequently Asked Questions (FAQ)

Q: Can CL21B474KBFNNNG (50V) be used as a direct replacement for CL21B474KAFNFNE (25V)?

A: Yes. The 50V part is a direct upgrade substitute. All electrical parameters (capacitance, tolerance, temperature coefficient, operating temperature range) and mechanical specifications (0805 package, dimensions, thickness) are identical. The higher voltage rating provides additional safety margin and is backward compatible with 25V circuit requirements.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging?

A: Tape & Reel (TR) is continuous reel packaging for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® provides smaller quantities in tape format suitable for lower-volume production or manual assembly. Electrical and mechanical specifications are identical; packaging format selection depends on manufacturing process requirements and order quantities.

Q: Are cross-manufacturer parts (KEMET, TDK, YAGEO) electrically equivalent to Samsung parts?

A: Yes. All cross-manufacturer parts listed maintain identical capacitance (0.47 µF), tolerance (±10%), voltage rating (25V), temperature coefficient (X7R), operating temperature range (-55°C to 125°C), and 0805 package footprint. Physical thickness varies slightly (0.037" to 0.057") but remains within acceptable PCB assembly tolerances and does not affect electrical performance or soldering compatibility.

Q: Why does GRM219R71E474KA88D show "Not For New Designs" status?

A: This Murata part is maintained for legacy system support and existing inventory management but is not recommended for new product development. For new designs, select from parts with "Active" product status: Samsung CL series, KEMET C0805C series, TDK C2012 series, or YAGEO CC series.

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

A: Yes. All listed parts meet identical electrical specifications and 0805 package requirements. However, slight thickness variations (0.037" to 0.057") may require PCB design verification for clearance in confined spaces. Consult manufacturing guidelines for mixed-manufacturer assembly compatibility.

Q: What inventory levels should I consider for supply chain planning?

A: CL21B474KAFNNNG (Samsung, 729,803 pieces) and CL21B474KBFNNNG (Samsung 50V, 369,511 pieces) offer the highest availability. For cross-manufacturer options, TDK C2012X7R1E474K125AA (89,214 pieces) and KEMET C0805C474K3RAC7800 (38,786 pieces) provide substantial stock. Original part CL21B474KAFNFNE (721 pieces) has limited inventory.

Q: Are all parts suitable for bypass and decoupling applications?

A: Yes. All parts are rated for general-purpose applications including bypass and decoupling. TDK C2012X7R1E474K125AA specifically lists "Low ESL" as a feature, making it optimal for high-frequency decoupling applications where minimized equivalent series inductance is critical.

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