TAP224M035SCS Equivalent & Substitute Parts

Part Overview

The TAP224M035SCS is a 0.22 µF conformal coated tantalum capacitor rated for 35 V with ±20% tolerance, manufactured by KYOCERA AVX. This radial through-hole component is designed for general purpose applications requiring reliable energy storage in compact form factors. The part is currently active in production with 635 units in stock. Substitute parts are identified when design requirements allow for tolerance improvements or voltage rating upgrades while maintaining identical physical dimensions and core electrical characteristics.

Key Parameters

Parameter	Value
Capacitance	0.22 µF
Voltage Rating	35 V
Tolerance	±20%
Type	Conformal Coated Tantalum
ESR	17 Ohm
Package	Radial, Through Hole
Size	0.177" Dia (4.50 mm)
Height	0.276" (7.00 mm)
Lead Spacing	0.098" (2.50 mm)
Operating Temperature	-55°C to 125°C
Lifetime	1000 Hrs @ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TAP224M035SCS is determined by the following criteria:

Mandatory Matching Parameters:

Capacitance: 0.22 µF (exact match required)
Type: Conformal Coated Tantalum (exact match required)
Package: Radial, Through Hole (exact match required)
Physical Dimensions: 0.177" Dia (4.50 mm), Height 0.276" (7.00 mm), Lead Spacing 0.098" (2.50 mm) (exact match required)
ESR: 17 Ohm (exact match required)
Operating Temperature Range: -55°C to 125°C (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)

Allowable Variation Parameters:

Tolerance: May improve from ±20% to ±10%
Voltage Rating: May increase from 35 V to 50 V (provided circuit design permits)

Two substitute parts meet these criteria by offering improved tolerance specifications and/or higher voltage ratings while maintaining all other electrical and mechanical parameters.

Parameter Comparison

Parameter	TAP224M035SCS (Main)	TAP224K035SCS (Substitute)	TAP224K050SCS (Substitute)
Manufacturer	KYOCERA AVX	KYOCERA AVX	KYOCERA AVX
Capacitance	0.22 µF	0.22 µF	0.22 µF
Tolerance	±20%	±10%	±10%
Voltage Rating	35 V	35 V	50 V
Type	Conformal Coated Tantalum	Conformal Coated Tantalum	Conformal Coated Tantalum
ESR	17 Ohm	17 Ohm	17 Ohm
Package / Case	Radial	Radial	Radial
Size / Dimension	0.177" Dia (4.50 mm)	0.177" Dia (4.50 mm)	0.177" Dia (4.50 mm)
Height - Seated (Max)	0.276" (7.00 mm)	0.276" (7.00 mm)	0.276" (7.00 mm)
Lead Spacing	0.098" (2.50 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)
Operating Temperature	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C
Lifetime @ Temp.	1000 Hrs @ 85°C	1000 Hrs @ 85°C	1000 Hrs @ 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active
Inventory	635 Pcs	10120 Pcs	11142 Pcs

Engineering Selection Recommendations

TAP224K035SCS provides direct substitution with improved tolerance specification (±10% versus ±20%). This part maintains identical voltage rating, physical dimensions, and all electrical characteristics. Selection is appropriate when tighter capacitance tolerance is required within the same 35 V operating envelope. Higher inventory availability (10120 units) supports production continuity.

TAP224K050SCS provides substitution with both improved tolerance (±10%) and elevated voltage rating (50 V). This part is suitable for applications where circuit design permits higher voltage margin or where future design revisions may require increased voltage headroom. Physical compatibility is maintained. Higher inventory availability (11142 units) supports supply chain flexibility.

All substitute parts maintain ROHS3 compliance and identical operating temperature specifications, ensuring regulatory and thermal performance equivalence.

Frequently Asked Questions (FAQ)

Q: Can TAP224K035SCS replace TAP224M035SCS in existing designs? A: Yes. TAP224K035SCS is a direct substitute with identical voltage rating (35 V), physical dimensions, and electrical characteristics. The only difference is improved tolerance (±10% versus ±20%), which provides better capacitance accuracy without requiring circuit modifications.

Q: When should TAP224K050SCS be selected instead of TAP224K035SCS? A: TAP224K050SCS is selected when the circuit design permits or requires a 50 V rated component. The higher voltage rating provides additional safety margin in applications subject to voltage transients or when future design iterations may increase operating voltage. Physical dimensions remain identical.

Q: Are all substitute parts physically interchangeable? A: Yes. All three parts share identical physical dimensions (0.177" Dia, 0.276" Height, 0.098" Lead Spacing), package type (Radial Through Hole), and mounting footprint. Direct PCB substitution is possible without layout modifications.

Q: Do substitute parts maintain the same ESR specification? A: Yes. All parts, including substitutes, maintain 17 Ohm ESR, ensuring equivalent performance in filtering and energy storage applications.

Q: Are there compliance differences between the main part and substitutes? A: No. All parts are ROHS3 compliant with identical operating temperature ranges (-55°C to 125°C) and lifetime specifications (1000 Hrs @ 85°C).

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