Equivalent & Substitute Parts for CL21B474KBF4PNG

Part Overview

The CL21B474KBF4PNG 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 part carries AEC-Q200 automotive qualification and ROHS3 compliance. The device is designated as "Not For New Designs," indicating obsolescence in Samsung's product portfolio. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this component specification.

Key Parameters

Parameter	Value	Specification Basis
Capacitance	0.47 µF	Core electrical requirement
Tolerance	±10%	Acceptable capacitance variation
Voltage Rating	50V	Maximum operating voltage
Temperature Coefficient	X7R	Temperature stability class
Operating Temperature Range	-55°C to 125°C	Environmental operating limits
Package / Case	0805 (2012 Metric)	Physical footprint and mounting
Mounting Type	Surface Mount, MLCC	Assembly method
Ratings	AEC-Q200	Automotive qualification
RoHS Status	ROHS3 Compliant	Environmental compliance
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage requirements

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across all critical electrical and mechanical parameters. A part qualifies as a substitute when it maintains identical values for: capacitance (0.47 µF), tolerance (±10%), voltage rating (50V), temperature coefficient (X7R), operating temperature range (-55°C to 125°C), package designation (0805 / 2012 Metric), mounting type (Surface Mount MLCC), AEC-Q200 rating, ROHS3 compliance, and MSL 1 classification.

Secondary parameters including thickness, features (soft termination), packaging format (Tape & Reel vs. Cut Tape), and product status (Active vs. Obsolete) do not disqualify substitution but are noted for procurement and assembly considerations. All identified substitutes meet the mandatory electrical and mechanical criteria required for direct replacement in the original application circuit.

Parameter Comparison

Manufacturer	Part Number	Capacitance	Tolerance	Voltage	Temp Coeff	Temp Range	Package	AEC-Q200	RoHS3	MSL	Product Status	Packaging Format	Thickness (Max)
Samsung Electro-Mechanics	CL21B474KBF4PNG	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Not For New Designs	Tape & Reel	0.053" (1.35mm)
Samsung Electro-Mechanics	CL21B474KBFVPJE	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Active	Tape & Reel	0.057" (1.45mm)
Samsung Electro-Mechanics	CL21B474KBFVPNG	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Active	Tape & Reel	0.053" (1.35mm)
Samsung Electro-Mechanics	CL21B474KBFVPNE	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Active	Cut Tape & Digi-Reel	0.053" (1.35mm)
YAGEO	AC0805KKX7R9BB474	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Active	Tape & Reel	0.057" (1.45mm)
KEMET	C0805C474K5RACAUTO	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Active	Cut Tape & Digi-Reel	0.043" (1.10mm)
KEMET	C0805X474K5RACAUTO	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Active	Tape & Reel	0.043" (1.10mm)
TDK Corporation	CGA4J3X7R1H474K125AB	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Active	Tape & Reel	0.057" (1.45mm)
TDK Corporation	CGJ4J3X7R1H474K125AB	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Obsolete	Cut Tape	0.057" (1.45mm)
KYOCERA AVX	KAM21KR71H474KL	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Active	Tape & Reel	0.037" (0.94mm)
KYOCERA AVX	KAM21KR71H474KU	0.47 µF	±10%	50V	X7R	-55°C ~ 125°C	0805	Yes	Yes	1	Active	Tape & Reel	0.055" (1.40mm)

Engineering Selection Recommendations

All identified substitute parts maintain full electrical and mechanical equivalence to the CL21B474KBF4PNG. Selection among active alternatives should prioritize parts with Active product status to ensure long-term supply chain stability and manufacturing support.

Samsung Electro-Mechanics alternatives (CL21B474KBFVPNG, CL21B474KBFVPNE, CL21B474KBFVPJE) provide direct manufacturer continuity and are recommended for designs requiring single-source qualification. CL21B474KBFVPNG is the manufacturer-recommended direct replacement, maintaining identical thickness (0.053") to the original part.

Multi-source alternatives from YAGEO (AC0805KKX7R9BB474), KEMET (C0805C474K5RACAUTO, C0805X474K5RACAUTO), TDK Corporation (CGA4J3X7R1H474K125AB), and KYOCERA AVX (KAM21KR71H474KL, KAM21KR71H474KU) offer supply diversification while maintaining full AEC-Q200 automotive qualification and ROHS3 compliance. KEMET parts feature reduced thickness (0.043"), which may provide assembly advantages in space-constrained applications. KYOCERA AVX KAM21KR71H474KL offers the thinnest profile (0.037").

The obsolete TDK CGJ4J3X7R1H474K125AB should not be selected for new procurement due to discontinued status, though existing inventory may support legacy production requirements.

Frequently Asked Questions (FAQ)

Q: Can CL21B474KBFVPNG be used as a direct replacement for CL21B474KBF4PNG?

A: Yes. CL21B474KBFVPNG is the manufacturer-recommended replacement. Both parts share identical electrical specifications (0.47 µF, ±10%, 50V, X7R, -55°C to 125°C), package (0805), AEC-Q200 rating, ROHS3 compliance, and MSL 1 classification. Thickness matches at 0.053" maximum. The primary difference is product status: the original is obsolete while the replacement is Active.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?

A: Tape & Reel (TR) packaging supplies components on continuous carrier tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel packaging provides smaller quantities on cut tape segments or alternative reel formats, typically for lower-volume or prototype applications. Both formats contain electrically and mechanically identical components; selection depends on procurement volume and assembly equipment compatibility.

Q: Are KEMET C0805C474K5RACAUTO and C0805X474K5RACAUTO interchangeable?

A: Yes, both parts are electrically and mechanically equivalent. The primary difference is packaging format: C0805C474K5RACAUTO is supplied in Cut Tape & Digi-Reel format, while C0805X474K5RACAUTO is supplied in Tape & Reel format. Both feature identical thickness (0.043"), reduced compared to the original part. The "X" designation in C0805X indicates soft termination feature for boardflex-sensitive applications.

Q: Why do substitute parts have different thickness values?

A: Thickness variation (ranging from 0.037" to 0.057") reflects manufacturing tolerances and design differences among manufacturers while maintaining electrical performance. All values remain within acceptable limits for 0805 package specifications. Thinner parts (KEMET at 0.043", KYOCERA AVX KAM21KR71H474KL at 0.037") may provide advantages in space-constrained PCB designs. Verify PCB assembly equipment clearance specifications before selecting thinner alternatives.

Q: Do all substitute parts carry AEC-Q200 automotive qualification?

A: Yes. All identified substitute parts are AEC-Q200 qualified, meeting automotive industry reliability and qualification standards. This certification is mandatory for automotive applications and is maintained across all alternatives.

Q: Is ROHS3 compliance consistent across all substitutes?

A: Yes. All substitute parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity classification, matching the original part's environmental compliance profile.

Q: Can I use CGJ4J3X7R1H474K125AB for new production?

A: No. CGJ4J3X7R1H474K125AB is designated Obsolete and should not be selected for new designs or ongoing production. Use only for legacy support where existing inventory is available. Select Active alternatives such as CGA4J3X7R1H474K125AB (same manufacturer, TDK Corporation) for new production requirements.

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