CL21B474KOFNFNE Equivalent & Substitute Parts

Part Overview

The CL21B474KOFNFNE is a 0.47 µF ceramic capacitor rated at 16V with X7R temperature coefficient in 0805 (2012 Metric) surface mount package manufactured by Samsung Electro-Mechanics. This multilayer ceramic capacitor (MLCC) is designed for general-purpose applications requiring stable capacitance across operating temperatures from -55°C to 125°C. The part is ROHS3 compliant with MSL 1 rating, indicating unlimited moisture sensitivity protection. Equivalent and substitute parts are identified based on matching or exceeding electrical specifications while maintaining identical mechanical form factors and compliance certifications.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	0.47 µF	Must match exactly
Voltage Rating	16V	Can be equal or higher
Tolerance	±10%	Must match or be tighter
Temperature Coefficient	X7R	Must match for temperature stability
Package / Case	0805 (2012 Metric)	Must match for PCB compatibility
Operating Temperature Range	-55°C to 125°C	Must meet or exceed
Mounting Type	Surface Mount, MLCC	Must match
RoHS Status	ROHS3 Compliant	Must maintain compliance
MSL Rating	1 (Unlimited)	Must meet or exceed

Substitute Part Grouping Explanation

Substitution logic for the CL21B474KOFNFNE is based on the following criteria:

Upgrade Substitutes (Higher Voltage Rating): Parts with identical capacitance (0.47 µF), tolerance (±10%), temperature coefficient (X7R), and package (0805), but with voltage ratings of 25V or 50V. These parts are electrically compatible and provide enhanced voltage margin for circuit protection. Voltage derating does not affect capacitance stability in X7R dielectrics.

Parametric Equivalents (Same Voltage, Different Packaging): Samsung Electro-Mechanics parts CL21B474KOFNNNE and CL21B474KOFNNNG match all electrical specifications and package dimensions but differ in tape format (Cut Tape vs. Tape & Reel). These are functionally identical for circuit performance.

Direct Manufacturer Equivalents (Alternative Suppliers): KEMET C0805C474K4RAC7800 and Taiyo Yuden EMK212B7474KD-T provide identical electrical specifications and mechanical compatibility. These parts are sourced from different manufacturers but maintain the same form factor, capacitance, voltage, and temperature coefficient.

Key Parameters Determining Substitutability:

Capacitance value (0.47 µF)
Temperature coefficient (X7R)
Package footprint (0805 / 2012 Metric)
Voltage rating (equal or higher)
Tolerance (±10% or tighter)
Compliance certifications (ROHS3, REACH Unaffected)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Package	Thickness (Max)	Operating Temperature	Product Status	Inventory
CL21B474KOFNFNE	Samsung Electro-Mechanics	0.47 µF	16V	±10%	X7R	0805 (2012 Metric)	0.053" (1.35mm)	-55°C to 125°C	Active	936 Pcs
CL21B474KAFNNNE	Samsung Electro-Mechanics	0.47 µF	25V	±10%	X7R	0805 (2012 Metric)	0.053" (1.35mm)	-55°C to 125°C	Active	4300 Pcs
CL21B474KAFNNNG	Samsung Electro-Mechanics	0.47 µF	25V	±10%	X7R	0805 (2012 Metric)	0.053" (1.35mm)	-55°C to 125°C	Active	729803 Pcs
CL21B474KAFNNWG	Samsung Electro-Mechanics	0.47 µF	25V	±10%	X7R	0805 (2012 Metric)	0.053" (1.35mm)	-55°C to 125°C	Active	914 Pcs
CL21B474KBFNFNE	Samsung Electro-Mechanics	0.47 µF	50V	±10%	X7R	0805 (2012 Metric)	0.053" (1.35mm)	-55°C to 125°C	Active	8200 Pcs
CL21B474KBFNNNE	Samsung Electro-Mechanics	0.47 µF	50V	±10%	X7R	0805 (2012 Metric)	0.053" (1.35mm)	-55°C to 125°C	Active	8300 Pcs
CL21B474KBFNNNG	Samsung Electro-Mechanics	0.47 µF	50V	±10%	X7R	0805 (2012 Metric)	0.053" (1.35mm)	-55°C to 125°C	Active	369511 Pcs
CL21B474KOFNNNE	Samsung Electro-Mechanics	0.47 µF	16V	±10%	X7R	0805 (2012 Metric)	0.053" (1.35mm)	-55°C to 125°C	Active	240200 Pcs
CL21B474KOFNNNG	Samsung Electro-Mechanics	0.47 µF	16V	±10%	X7R	0805 (2012 Metric)	0.053" (1.35mm)	-55°C to 125°C	Active	238078 Pcs
C0805C474K4RAC7800	KEMET	0.47 µF	16V	±10%	X7R	0805 (2012 Metric)	0.055" (1.40mm)	-55°C to 125°C	Active	29050 Pcs
EMK212B7474KD-T	Taiyo Yuden	0.47 µF	16V	±10%	X7R	0805 (2012 Metric)	0.037" (0.95mm)	-55°C to 125°C	Not For New Designs	100186 Pcs

Engineering Selection Recommendations

For Active Product Designs: Select from Samsung Electro-Mechanics CL series parts (CL21B474KOFNNNE, CL21B474KOFNNNG, CL21B474KAFNNNE, CL21B474KAFNNNG, CL21B474KBFNFNE, CL21B474KBFNNNE, or CL21B474KBFNNNG). All are marked as Active product status and maintain full ROHS3 compliance and REACH Unaffected certification.

For Voltage Margin Enhancement: CL21B474KAFNNNG (25V rating, 729803 Pcs inventory) or CL21B474KBFNNNG (50V rating, 369511 Pcs inventory) provide higher voltage derating margins while maintaining identical capacitance and temperature stability. These are direct upgrades with no circuit redesign required.

For Alternative Manufacturer Supply: KEMET C0805C474K4RAC7800 provides equivalent electrical specifications with 29050 Pcs inventory. Thickness specification is 0.055" (1.40mm) versus 0.053" (1.35mm) for Samsung parts; verify PCB clearance in height-constrained applications.

For Legacy System Support Only: Taiyo Yuden EMK212B7474KD-T is marked "Not For New Designs" and should not be selected for new product development. This part is listed for reference in legacy system maintenance only.

Packaging Consideration: Tape & Reel (TR) format parts (CL21B474KOFNNNE, CL21B474KOFNNNG, CL21B474KAFNNNG, C0805C474K4RAC7800) are suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® format parts are appropriate for lower-volume or mixed-component pick-and-place operations.

Frequently Asked Questions (FAQ)

Q: Can CL21B474KAFNNNG (25V) be used in place of CL21B474KOFNFNE (16V)?

A: Yes. The 25V part is a direct upgrade. Higher voltage rating does not affect capacitance value or temperature coefficient. X7R dielectric maintains stable capacitance across the -55°C to 125°C operating range regardless of voltage rating. No circuit modification is required.

Q: What is the difference between CL21B474KOFNNNE and CL21B474KOFNNNG?

A: Both parts are electrically and mechanically identical (0.47 µF, 16V, X7R, 0805 package). The difference is packaging format: KOFNNNE is Cut Tape (CT) & Digi-Reel®, while KOFNNNG is Tape & Reel (TR). Select based on assembly equipment compatibility and volume requirements.

Q: Is KEMET C0805C474K4RAC7800 compatible with Samsung CL21B474KOFNFNE?

A: Yes. Both parts have identical electrical specifications (0.47 µF, 16V, ±10%, X7R, -55°C to 125°C). Physical dimensions are equivalent (0805 package). Maximum thickness differs slightly (KEMET 0.055" vs. Samsung 0.053"); verify clearance in height-constrained PCB designs. Both are ROHS3 compliant.

Q: Why is EMK212B7474KD-T marked "Not For New Designs"?

A: Taiyo Yuden EMK212B7474KD-T is a legacy product. Manufacturers designate such parts to encourage migration to current production lines. This part should be used only for replacement in existing systems. New product designs must select from Active status parts.

Q: Can I substitute a 50V rated capacitor (CL21B474KBFNNNG) for a 16V application?

A: Yes. Higher voltage rating provides additional safety margin and does not degrade performance in lower-voltage circuits. The 50V part maintains identical capacitance (0.47 µF), tolerance (±10%), and temperature coefficient (X7R). This is a conservative design choice with no negative effects.

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

A: MSL 1 indicates the part requires no special moisture protection during storage or handling. The component can be stored at room temperature without desiccant packaging or time-limited shelf life restrictions. All listed substitute parts maintain MSL 1 rating.

Q: Are all listed parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 Compliant certification and REACH Unaffected status, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

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