TMK107B7224MA-T Equivalent & Substitute Parts

Part Overview

The TMK107B7224MA-T is a 0.22 µF ±20% 25V ceramic capacitor in 0603 (1608 Metric) package with X7R temperature coefficient, manufactured by Taiyo Yuden. This multilayer ceramic capacitor (MLCC) is designed for SMPS filtering applications and operates across -55°C to 125°C. The part carries a "Not For New Designs" status, indicating that equivalent alternatives with active product status are available for new circuit implementations. Substitution is necessary to ensure long-term supply chain reliability and access to components with active manufacturer support.

Key Parameters

Parameter	Value
Capacitance	0.22 µF
Tolerance	±20%
Voltage Rating	25V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.063" L x 0.031" W (1.60mm x 0.80mm)
Thickness (Max)	0.035" (0.90mm)
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the TMK107B7224MA-T is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 0.22 µF
Temperature Coefficient: X7R
Package / Case: 0603 (1608 Metric)
Mounting Type: Surface Mount, MLCC
Physical Dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm)
Moisture Sensitivity Level: 1 (Unlimited)
RoHS Status: ROHS3 Compliant

Allowable Variations:

Tolerance: ±20%, ±10%, or ±5% (tighter tolerances are acceptable upgrades)
Voltage Rating: 25V or higher (higher voltage ratings provide additional design margin)
Thickness: Up to 0.035" (0.90mm) maximum
Packaging Format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel®

Substitute parts are grouped by tolerance and voltage rating, as these parameters determine functional equivalence while maintaining compatibility with the original circuit design.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	Product Status	Inventory
TMK107B7224MA-T	Taiyo Yuden	0.22 µF	±20%	25V	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Not For New Designs	931 Pcs
TMK107B7224KA-T	Taiyo Yuden	0.22 µF	±10%	25V	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Not For New Designs	1390 Pcs
C0603C224M3RAC7867	KEMET	0.22 µF	±20%	25V	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	24057 Pcs
C1608X7R1E224M080AC	TDK Corporation	0.22 µF	±20%	25V	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Not For New Designs	14361 Pcs
KGM15BR71E224MT	KYOCERA AVX	0.22 µF	±20%	25V	X7R	0603 (1608 Metric)	0.037" (0.95mm)	Active	763 Pcs
C0603C224J3RAC7867	KEMET	0.22 µF	±5%	25V	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	19105 Pcs
C0603C224K3RAC7867	KEMET	0.22 µF	±10%	25V	X7R	0603 (1608 Metric)	0.034" (0.87mm)	Active	20882 Pcs
C1608X7R1E224K080AC	TDK Corporation	0.22 µF	±10%	25V	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Active	3217 Pcs
C1608X7R1H224K080AB	TDK Corporation	0.22 µF	±10%	50V	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Active	1420 Pcs
C1608X7R1H224M080AB	TDK Corporation	0.22 µF	±20%	50V	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Not For New Designs	19905 Pcs
C1608X7R1V224K080AB	TDK Corporation	0.22 µF	±10%	35V	X7R	0603 (1608 Metric)	0.035" (0.90mm)	Active	9478 Pcs

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications):

The C0603C224M3RAC7867 (KEMET) is the primary direct replacement for the TMK107B7224MA-T. Both parts share identical electrical specifications: 0.22 µF ±20% at 25V with X7R temperature coefficient. The KEMET part carries Active product status, ensuring continued availability and manufacturer support. Physical dimensions are compatible, with the KEMET part featuring a slightly reduced thickness (0.034" vs. 0.035"), which presents no compatibility issues for standard PCB layouts.

For Improved Tolerance (Upgrade Path):

The C0603C224K3RAC7867 (KEMET) and C1608X7R1E224K080AC (TDK Corporation) provide ±10% tolerance while maintaining 25V rating and Active product status. These upgrades reduce capacitance variation and are suitable for applications requiring tighter tolerance control. The C0603C224J3RAC7867 (KEMET) offers the tightest tolerance at ±5%, with Active status and full compatibility.

For Higher Voltage Rating (Design Margin Enhancement):

The C1608X7R1H224K080AB (TDK Corporation) and C1608X7R1V224K080AB (TDK Corporation) provide 50V and 35V ratings respectively, both with ±10% tolerance and Active product status. These parts are electrically and mechanically compatible with the original design while offering increased voltage headroom for circuit protection.

Compliance and Certification:

All substitute parts listed maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), matching the original part's regulatory and environmental specifications. All parts are suitable for surface mount assembly on standard PCB equipment.

Frequently Asked Questions (FAQ)

Q: Can I substitute the TMK107B7224MA-T with a higher voltage-rated capacitor?

A: Yes. The C1608X7R1H224K080AB (50V) and C1608X7R1V224K080AB (35V) are electrically and mechanically compatible substitutes. Higher voltage ratings provide additional design margin without affecting circuit performance in applications rated for 25V operation.

Q: What is the difference between ±20%, ±10%, and ±5% tolerance parts?

A: Tolerance specifies the allowable deviation from the nominal 0.22 µF capacitance value. ±20% allows 0.176 µF to 0.264 µF; ±10% allows 0.198 µF to 0.242 µF; ±5% allows 0.209 µF to 0.231 µF. Tighter tolerances are suitable for applications requiring precise capacitance values and are direct substitutes for looser tolerance specifications.

Q: Are there packaging format differences between substitute parts?

A: Yes. The TMK107B7224MA-T is supplied in Tape & Reel (TR) format. Some substitutes such as TMK107B7224KA-T and C1608X7R1H224K080AB are available in Cut Tape (CT) & Digi-Reel® format. Both formats are compatible with standard pick-and-place assembly equipment; format selection depends on production volume and assembly line requirements.

Q: Why is the TMK107B7224MA-T marked "Not For New Designs"?

A: This status indicates the manufacturer is phasing out the product line. For new circuit designs, select from parts with Active product status such as C0603C224M3RAC7867 (KEMET), C0603C224K3RAC7867 (KEMET), or C1608X7R1E224K080AC (TDK Corporation) to ensure long-term supply chain continuity.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), matching the original part's regulatory requirements.

Q: Can I use the TMK107B7224KA-T as a substitute for the TMK107B7224MA-T?

A: Yes. The TMK107B7224KA-T is a direct substitute with improved ±10% tolerance (versus ±20%) while maintaining identical voltage rating, temperature coefficient, package, and physical dimensions. However, the TMK107B7224KA-T also carries "Not For New Designs" status, so it is suitable only for replacement applications, not new designs.

Q: What is the significance of the X7R temperature coefficient?

A: X7R indicates the capacitor maintains stable capacitance across the operating temperature range of -55°C to 125°C, with maximum capacitance change of ±15% over this range. All substitute parts maintain identical X7R specification, ensuring thermal stability equivalent to the original part.

Q: Are there physical dimension constraints I should consider?

A: All substitute parts conform to the 0603 (1608 Metric) package standard with dimensions of 0.063" L x 0.031" W. Thickness varies slightly between manufacturers (0.034" to 0.037" maximum), but all values remain within standard PCB assembly tolerances and present no compatibility issues with standard component placement equipment or PCB layouts.

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