CL43B224KBFNNNE Equivalent & Substitute Parts

Part Overview

The CL43B224KBFNNNE is a 0.22 µF ±10% 50V ceramic capacitor manufactured by Samsung Electro-Mechanics in the 1812 (4532 Metric) package. This multilayer ceramic capacitor (MLCC) with X7R temperature coefficient is designed for general-purpose applications and operates across the temperature range of -55°C to 125°C. The part is currently active in production with 812 pieces available in inventory. Equivalent and substitute parts are identified based on matching electrical specifications (capacitance, voltage rating, tolerance, and temperature coefficient) and mechanical compatibility (package size and form factor).

Key Parameters

Parameter	Value
Capacitance	0.22 µF
Voltage Rating	50V
Tolerance	±10%
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	1812 (4532 Metric)
Mounting Type	Surface Mount, MLCC
Size / Dimension	0.177" L x 0.126" W (4.50mm x 3.20mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the CL43B224KBFNNNE are categorized into two groups based on electrical parameter alignment:

Direct Equivalents (Same Electrical Specifications): Parts with identical capacitance (0.22 µF), voltage rating (50V), tolerance (±10%), and temperature coefficient (X7R) are classified as direct equivalents. These parts maintain full functional compatibility with the original specification.

Upgrade Options (Enhanced Specifications): Parts with improved electrical characteristics—including higher voltage ratings (100V, 200V, 250V) or tighter tolerance (±5%)—are classified as upgrades. These parts exceed the original specification and are suitable for applications requiring enhanced performance margins or stricter tolerance requirements.

Critical Parameters for Substitution:

Capacitance value: 0.22 µF (fixed)
Temperature coefficient: X7R (fixed)
Package: 1812 (4532 Metric) (fixed)
Voltage rating: 50V minimum for direct equivalents
Tolerance: ±10% or tighter acceptable

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Package	Thickness (Max)	RoHS Status	Inventory
CL43B224KBFNNNE	Samsung Electro-Mechanics	0.22 µF	50V	±10%	X7R	1812 (4532 Metric)	0.057" (1.45mm)	ROHS3 Compliant	812 Pcs
C1812C224K5RAC7800	KEMET	0.22 µF	50V	±10%	X7R	1812 (4532 Metric)	0.043" (1.10mm)	ROHS3 Compliant	4981 Pcs
KGM43AR71H224KV	KYOCERA AVX	0.22 µF	50V	±10%	X7R	1812 (4532 Metric)	0.055" (1.40mm)	ROHS3 Compliant	9285 Pcs
C1812C224J1RAC7800	KEMET	0.22 µF	100V	±5%	X7R	1812 (4532 Metric)	0.043" (1.10mm)	ROHS3 Compliant	1517 Pcs
C1812C224J5RAC7800	KEMET	0.22 µF	50V	±5%	X7R	1812 (4532 Metric)	0.043" (1.10mm)	ROHS3 Compliant	2459 Pcs
C1812C224JARAC7800	KEMET	0.22 µF	250V	±5%	X7R	1812 (4532 Metric)	0.065" (1.65mm)	ROHS3 Compliant	2168 Pcs
C1812C224K1RAC7800	KEMET	0.22 µF	100V	±10%	X7R	1812 (4532 Metric)	0.043" (1.10mm)	ROHS3 Compliant	21710 Pcs
C1812C224K2RAC7800	KEMET	0.22 µF	200V	±10%	X7R	1812 (4532 Metric)	0.065" (1.65mm)	ROHS3 Compliant	3289 Pcs
C1812C224KARAC7800	KEMET	0.22 µF	250V	±10%	X7R	1812 (4532 Metric)	0.065" (1.65mm)	ROHS3 Compliant	3033 Pcs
KGM43AR71H224JV	KYOCERA AVX	0.22 µF	50V	±5%	X7R	1812 (4532 Metric)	0.055" (1.40mm)	ROHS3 Compliant	1309 Pcs
KGM43BR72A224JV	KYOCERA AVX	0.22 µF	100V	±5%	X7R	1812 (4532 Metric)	0.057" (1.45mm)	ROHS3 Compliant	2194 Pcs

Engineering Selection Recommendations

Direct Equivalent Selection:

For applications requiring exact specification matching at 0.22 µF, 50V, ±10%, X7R, the following parts provide direct equivalence:

C1812C224K5RAC7800 (KEMET): Direct equivalent with reduced thickness (0.043" vs. 0.057"), offering improved PCB assembly compatibility and higher inventory availability (4981 pcs).
KGM43AR71H224KV (KYOCERA AVX): Direct equivalent with comparable thickness (0.055"), highest inventory availability (9285 pcs), and established supply chain presence.

Upgrade Selection for Enhanced Performance:

When application requirements permit higher voltage ratings or tighter tolerance specifications:

C1812C224J5RAC7800 (KEMET): 50V rated with ±5% tolerance upgrade, suitable for applications requiring improved capacitance stability. Reduced thickness (0.043") supports compact PCB designs.
C1812C224K1RAC7800 (KEMET): 100V rated with ±10% tolerance, providing voltage margin enhancement. Highest inventory availability (21710 pcs) among upgrade options.
KGM43BR72A224JV (KYOCERA AVX): 100V rated with ±5% tolerance, combining voltage and tolerance improvements for demanding applications.
C1812C224K2RAC7800 (KEMET): 200V rated with ±10% tolerance for high-voltage circuit protection applications.
C1812C224KARAC7800 (KEMET): 250V rated with ±10% tolerance for maximum voltage margin applications.
C1812C224JARAC7800 (KEMET): 250V rated with ±5% tolerance for highest performance specifications.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical package dimensions (1812 / 4532 Metric), ensuring mechanical and environmental compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can C1812C224K5RAC7800 replace CL43B224KBFNNNE in all applications?

A: Yes. C1812C224K5RAC7800 is a direct electrical equivalent with identical capacitance (0.22 µF), voltage rating (50V), tolerance (±10%), and temperature coefficient (X7R). The reduced thickness (0.043" vs. 0.057") is a mechanical advantage for PCB assembly. Both parts are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between direct equivalents and upgrade options?

A: Direct equivalents match all electrical specifications of the original part (50V, ±10%). Upgrade options provide enhanced specifications such as higher voltage ratings (100V, 200V, 250V) or tighter tolerance (±5%). Upgrades are suitable when application requirements exceed the original specification or when design margins require improvement.

Q: Are all substitute parts compatible with the 1812 package footprint?

A: Yes. All substitute parts use the 1812 (4532 Metric) package with identical length (0.177") and width (0.126"). Thickness varies between 0.043" and 0.065", which does not affect PCB footprint compatibility but may impact board assembly clearance in space-constrained designs.

Q: Which substitute part has the highest inventory availability?

A: KGM43AR71H224KV (KYOCERA AVX) offers the highest inventory with 9285 pieces in stock. For upgrade options, C1812C224K1RAC7800 (KEMET) at 100V provides the highest availability with 21710 pieces.

Q: Do all substitute parts meet the same compliance standards as the original?

A: Yes. All substitute parts listed are ROHS3 compliant, REACH unaffected, and classified as EAR99 with identical HTSUS code (8532.24.0020). All parts maintain MSL 1 (Unlimited) moisture sensitivity rating.

Q: Can I use a 100V-rated part in place of a 50V-rated part?

A: Yes. Higher voltage-rated capacitors are electrically compatible with lower voltage applications. The 100V-rated parts (C1812C224K1RAC7800, KGM43BR72A224JV, C1812C224J1RAC7800) provide additional voltage margin and are suitable for 50V circuit applications.

Q: What is the significance of tolerance differences (±10% vs. ±5%)?

A: Tolerance specifies the allowable deviation from the nominal capacitance value. ±5% tolerance provides tighter capacitance control compared to ±10%, beneficial for applications requiring precise capacitance values or narrow operating margins. Both tolerances are acceptable for general-purpose applications.

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