CL31B224KBFNNNF Equivalent & Substitute Parts

Part Overview

The CL31B224KBFNNNF is a 0.22 µF ceramic capacitor manufactured by Samsung Electro-Mechanics, rated for 50V with X7R temperature coefficient in 1206 (3216 Metric) surface mount package. This part is classified as Active product status and is ROHS3 compliant with MSL 1 rating. Equivalent and substitute parts are identified based on matching electrical specifications (capacitance, voltage rating, tolerance, temperature coefficient) and mechanical compatibility (package size, mounting type, physical dimensions).

Key Parameters

Parameter	Value
Capacitance	0.22 µF
Tolerance	±10%
Voltage Rating	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.126" L × 0.063" W (3.20mm × 1.60mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on electrical and mechanical compatibility with the CL31B224KBFNNNF:

Parametric Equivalents share identical electrical specifications (0.22 µF, ±10%, 50V, X7R) and mechanical package (1206). These parts differ only in packaging format (Tape & Reel versus bulk) or minor manufacturing code variations. Parametric equivalents are direct functional replacements.

Direct Manufacturer Equivalents maintain all critical electrical parameters (0.22 µF, ±10%, 50V, X7R) and package size (1206) but are manufactured by different suppliers (KEMET, TDK, YAGEO, Murata, KYOCERA AVX). Physical thickness may vary within acceptable tolerances. These parts are functionally equivalent and interchangeable in circuit applications.

Upgrade Parts provide enhanced specifications while maintaining the same package footprint and core function. Upgrades include higher voltage ratings (100V) or tighter tolerance (±5%) at the same capacitance value. These parts are backward compatible but offer improved performance margins.

Critical Parameters for Substitution:

Capacitance: 0.22 µF (exact match required)
Voltage Rating: 50V minimum (100V upgrades acceptable)
Temperature Coefficient: X7R (required for temperature stability)
Package: 1206 (3216 Metric) surface mount (physical compatibility)
Tolerance: ±10% or tighter (±5% upgrades acceptable)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Product Status	Inventory
CL31B224KBFNNNF	Samsung Electro-Mechanics	0.22 µF	±10%	50V	X7R	1206	0.055" (1.40mm)	Active	681 Pcs
CL31B224KBFNFNE	Samsung Electro-Mechanics	0.22 µF	±10%	50V	X7R	1206	0.055" (1.40mm)	Active	120200 Pcs
CL31B224KBFNNNE	Samsung Electro-Mechanics	0.22 µF	±10%	50V	X7R	1206	0.055" (1.40mm)	Active	6400 Pcs
C1206C224K5RAC7800	KEMET	0.22 µF	±10%	50V	X7R	1206	0.039" (1.00mm)	Active	4400 Pcs
C3216X7R1H224K115AA	TDK Corporation	0.22 µF	±10%	50V	X7R	1206	0.051" (1.30mm)	Not For New Designs	20451 Pcs
CC1206KKX7R9BB224	YAGEO	0.22 µF	±10%	50V	X7R	1206	0.049" (1.25mm)	Active	4300 Pcs
GRM319R71H224KA01D	Murata Electronics	0.22 µF	±10%	50V	X7R	1206	0.037" (0.95mm)	Not For New Designs	27781 Pcs
KGM31MR71H224KU	KYOCERA AVX	0.22 µF	±10%	50V	X7R	1206	0.049" (1.25mm)	Active	204147 Pcs
C1206C224J5RAC7800	KEMET	0.22 µF	±5%	50V	X7R	1206	0.039" (1.00mm)	Active	26249 Pcs
C1206C224J1RAC7800	KEMET	0.22 µF	±5%	100V	X7R	1206	0.039" (1.00mm)	Active	15536 Pcs
C1206C224K1RAC7800	KEMET	0.22 µF	±10%	100V	X7R	1206	0.039" (1.00mm)	Active	4289 Pcs

Engineering Selection Recommendations

For Direct Replacement (Active Product Status):

Select CL31B224KBFNFNE or CL31B224KBFNNNE for immediate substitution. Both are Samsung Electro-Mechanics parametric equivalents with identical electrical specifications and Active product status. CL31B224KBFNFNE offers superior inventory availability (120200 units) and is packaged in Tape & Reel format suitable for automated assembly.

For Multi-Source Qualification:

KEMET C1206C224K5RAC7800, YAGEO CC1206KKX7R9BB224, and KYOCERA AVX KGM31MR71H224KU are Active-status direct equivalents from established manufacturers. All maintain 0.22 µF ±10% 50V X7R specifications with 1206 package compatibility. KYOCERA AVX KGM31MR71H224KU provides the highest inventory level (204147 units) for supply chain resilience.

For Enhanced Performance Applications:

KEMET C1206C224J5RAC7800 (±5% tolerance, 50V) or C1206C224J1RAC7800 (±5% tolerance, 100V) are upgrade options. These parts maintain identical package footprint and capacitance while providing tighter tolerance and/or higher voltage margin. Both are Active status with robust inventory.

Avoid for New Designs:

TDK Corporation C3216X7R1H224K115AA and Murata Electronics GRM319R71H224KA01D are classified as "Not For New Designs." While functionally equivalent and currently in stock, these parts should not be selected for new product development due to manufacturer lifecycle status.

Compliance Verification:

All listed parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 with MSL 1 rating. No additional compliance screening is required for standard commercial applications.

Frequently Asked Questions (FAQ)

Q: Can CL31B224KBFNNNF be replaced with a 100V rated capacitor?

A: Yes. KEMET C1206C224J1RAC7800 (0.22 µF ±5% 100V X7R 1206) and C1206C224K1RAC7800 (0.22 µF ±10% 100V X7R 1206) are backward compatible. Higher voltage rating provides additional safety margin without affecting circuit function. Physical dimensions and package footprint remain identical.

Q: What is the difference between parametric equivalents and direct manufacturer equivalents?

A: Parametric equivalents (CL31B224KBFNFNE, CL31B224KBFNNNE) are manufactured by the same supplier (Samsung) with identical specifications and differ only in packaging format or manufacturing code. Direct manufacturer equivalents (KEMET, TDK, YAGEO, Murata, KYOCERA AVX) are produced by different manufacturers but meet identical electrical and mechanical specifications. Both categories are functionally interchangeable.

Q: Does thickness variation affect PCB assembly compatibility?

A: Thickness variations (0.037" to 0.055" maximum) are within standard 1206 package tolerance and do not affect PCB assembly compatibility. All listed parts fit standard 1206 land patterns. Verify specific PCB design clearance requirements if height-constrained applications exist.

Q: Why are some parts marked "Not For New Designs"?

A: TDK C3216X7R1H224K115AA and Murata GRM319R71H224KA01D are in end-of-life phase. Manufacturers recommend transitioning to Active-status alternatives for long-term supply security. Existing inventory remains available for legacy product support.

Q: Is tolerance upgrade from ±10% to ±5% necessary?

A: Tolerance upgrade is application-dependent. Standard ±10% tolerance (CL31B224KBFNNNF) is suitable for general-purpose bypass and decoupling applications. ±5% tolerance (KEMET C1206C224J5RAC7800, C1206C224J1RAC7800) is recommended for precision filtering, timing circuits, or applications requiring tighter capacitance control.

Q: Can these parts be used interchangeably in automated pick-and-place assembly?

A: Yes. All listed parts are surface mount MLCC in 1206 package with identical land pattern footprint. Tape & Reel packaging (standard for all listed parts) is compatible with standard SMT feeders. Verify component height clearance in specific assembly equipment specifications.

Q: What is MSL 1 rating and why does it matter?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts carry MSL 1 rating, eliminating moisture-related handling constraints and simplifying inventory management for standard commercial applications.

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