CL21B154KBFNFNE Equivalent & Substitute Parts

Part Overview

The CL21B154KBFNFNE is a 0.15 µF ±10% 50V ceramic capacitor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) with X7R temperature coefficient is classified as Active product status and is suitable for general purpose applications. Equivalent and substitute parts are necessary when the primary part experiences supply constraints, inventory limitations, or when design requirements permit tolerance or packaging variations.

Key Parameters

Parameter	Value
Capacitance	0.15 µF
Tolerance	±10%
Voltage - Rated	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Critical Parameters (Must Match):

Capacitance: 0.15 µF
Voltage Rating: 50V
Temperature Coefficient: X7R
Package / Case: 0805 (2012 Metric)
Mounting Type: Surface Mount, MLCC
Operating Temperature Range: -55°C ~ 125°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

Tolerance: ±10% (main part) to ±5% (upgrade parts) — tighter tolerance is acceptable
Thickness: Variations within mechanical constraints
Packaging Format: Cut Tape (CT), Tape & Reel (TR), or Bulk acceptable for assembly compatibility
Product Status: Active or Last Time Buy acceptable; Not For New Designs acceptable for existing designs

Substitute parts are grouped into three categories: Parametric Equivalents (identical electrical specifications), Direct Manufacturers (equivalent specifications from alternative manufacturers), and Upgrades (tighter tolerance specifications).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Product Status	Packaging
CL21B154KBFNFNE	Samsung Electro-Mechanics	0.15 µF	±10%	50V	X7R	0805	0.053" (1.35mm)	Active	Bulk
CL21B154KBFNNNG	Samsung Electro-Mechanics	0.15 µF	±10%	50V	X7R	0805	0.053" (1.35mm)	Active	Cut Tape (CT)
C0805C154K5RAC7800	KEMET	0.15 µF	±10%	50V	X7R	0805	0.039" (1.00mm)	Active	Tape & Reel (TR)
C2012X7R1H154K085AA	TDK Corporation	0.15 µF	±10%	50V	X7R	0805	0.039" (1.00mm)	Last Time Buy	Cut Tape (CT)
C2012X7R1H154K125AA	TDK Corporation	0.15 µF	±10%	50V	X7R	0805	0.057" (1.45mm)	Last Time Buy	Cut Tape (CT)
GRM21BR71H154KA01L	Murata Electronics	0.15 µF	±10%	50V	X7R	0805	0.053" (1.35mm)	Not For New Designs	Tape & Reel (TR)
C0805C154J5RAC7800	KEMET	0.15 µF	±5%	50V	X7R	0805	0.039" (1.00mm)	Active	Tape & Reel (TR)
KGM21ER71H154JU	KYOCERA AVX	0.15 µF	±5%	50V	X7R	0805	0.053" (1.35mm)	Active	Tape & Reel (TR)
885012207099	Würth Elektronik	0.15 µF	±10%	50V	X7R	0805	0.053" (1.35mm)	Active	Tape & Reel (TR)
VJ0805Y154KXATW1BC	Vishay Vitramon	0.15 µF	±10%	50V	X7R	0805	0.053" (1.35mm)	Active	Tape & Reel (TR)

Engineering Selection Recommendations

Parametric Equivalents (Identical Specifications): CL21B154KBFNNNG, 885012207099, and VJ0805Y154KXATW1BC are direct parametric equivalents with identical electrical and mechanical specifications. These parts are suitable for direct substitution when packaging format (Cut Tape or Tape & Reel) is compatible with assembly processes. All three maintain Active product status and ROHS3 compliance.

Direct Manufacturers (Alternative Sources): C0805C154K5RAC7800 (KEMET) and C2012X7R1H154K085AA (TDK Corporation) provide equivalent electrical performance with reduced thickness (0.039" vs. 0.053"). These parts are suitable when PCB assembly height constraints permit thinner components. C0805C154K5RAC7800 maintains Active status; C2012X7R1H154K085AA is Last Time Buy status.

C2012X7R1H154K125AA (TDK Corporation) offers equivalent specifications with increased thickness (0.057") and Last Time Buy status, suitable only for existing designs with no height constraints.

GRM21BR71H154KA01L (Murata Electronics) is a parametric equivalent with Not For New Designs status. This part is restricted to replacement applications in existing designs only.

Upgrade Parts (Tighter Tolerance): C0805C154J5RAC7800 (KEMET) and KGM21ER71H154JU (KYOCERA AVX) provide ±5% tolerance versus the ±10% specification of the main part. These upgrades are suitable when circuit design requires improved capacitance accuracy. Both maintain Active product status. KGM21ER71H154JU offers the highest inventory availability (58,469 pcs).

Compliance & Certification: All substitute parts maintain ROHS3 compliance, REACH Unaffected status, and Moisture Sensitivity Level 1 (Unlimited). All parts are classified under ECCN EAR99 and HTSUS 8532.24.0020.

Frequently Asked Questions (FAQ)

Q: Can I substitute CL21B154KBFNFNE with a part having ±5% tolerance instead of ±10%?

A: Yes. Parts C0805C154J5RAC7800 and KGM21ER71H154JU provide ±5% tolerance, which is tighter than the ±10% specification. Tighter tolerance is acceptable and does not create compatibility issues. The capacitance value remains 0.15 µF within a narrower range.

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

A: Cut Tape packaging is supplied in individual strips suitable for manual assembly or small-batch pick-and-place operations. Tape & Reel packaging is wound on reels for high-volume automated assembly. Both formats contain identical components; selection depends on assembly process requirements and volume.

Q: Are TDK parts with "Last Time Buy" status suitable for new designs?

A: No. Last Time Buy status indicates the manufacturer will discontinue production. C2012X7R1H154K085AA and C2012X7R1H154K125AA are restricted to replacement applications in existing designs. For new designs, select from parts with Active status: CL21B154KBFNNNG, C0805C154K5RAC7800, C0805C154J5RAC7800, KGM21ER71H154JU, 885012207099, or VJ0805Y154KXATW1BC.

Q: Can I use GRM21BR71H154KA01L (Murata) as a substitute?

A: GRM21BR71H154KA01L is a parametric equivalent but carries "Not For New Designs" status. This part is restricted to replacement applications in existing designs only and should not be selected for new product development.

Q: What is the significance of thickness variations (0.039" to 0.057")?

A: Thickness variations affect PCB assembly clearance and component stacking height. Thinner parts (0.039") are suitable for space-constrained applications. Thicker parts (0.057") may require verification of available PCB assembly height. The main part specification is 0.053" (1.35mm). Verify mechanical constraints before selecting alternatives with different thickness values.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, identical to the main part CL21B154KBFNFNE.

Q: Which substitute part has the highest inventory availability?

A: KGM21ER71H154JU (KYOCERA AVX) has the highest inventory with 58,469 pcs in stock. This part offers ±5% tolerance (upgrade specification) and Active product status.

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