TAP225M010SLZ Equivalent & Substitute Parts

Part Overview

The TAP225M010SLZ is a 2.2 µF conformal coated tantalum capacitor rated at 10 V with ±20% tolerance, manufactured by KYOCERA AVX in the TAP series. This radial through-hole component is designed for general-purpose applications requiring reliable energy storage in compact form factors. The part is active and in production, with 1010 units currently in stock.

Substitute parts are necessary when design requirements change, such as when tighter tolerance specifications are needed, higher voltage ratings are required for circuit protection, or when inventory availability necessitates alternative sourcing from the same manufacturer's compatible product line.

Key Parameters

Parameter	Value
Capacitance	2.2 µF
Voltage Rating	10 V
Tolerance	±20%
Type	Conformal Coated Tantalum
ESR	13 Ohm
Mounting Type	Through Hole Radial
Package / Case	Radial
Size / Dimension	0.177" Dia (4.50mm)
Height - Seated (Max)	0.276" (7.00mm)
Lead Spacing	0.098" (2.50mm)
Operating Temperature	-55°C ~ 125°C
Lifetime @ Temp.	1000 Hrs @ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TAP225M010SLZ is determined by the following criteria:

Mandatory Compatibility Parameters:

Capacitance: 2.2 µF (fixed across all substitutes)
Mounting Type: Through Hole Radial (fixed across all substitutes)
Package / Case: Radial (fixed across all substitutes)
Physical Dimensions: 0.177" Dia (4.50mm), Height 0.276" (7.00mm), Lead Spacing 0.098" (2.50mm) (fixed across all substitutes)
Operating Temperature Range: -55°C ~ 125°C (fixed across all substitutes)
Lifetime @ Temp.: 1000 Hrs @ 85°C (fixed across all substitutes)
RoHS Status: ROHS3 Compliant (fixed across all substitutes)

Variable Parameters Allowing Substitution:

Voltage Rating: 10 V, 16 V, 20 V, or 25 V (higher ratings provide circuit protection margin)
Tolerance: ±20% or ±10% (tighter tolerance available)
ESR: 13 Ohm (10 V), 8 Ohm (16 V), 7 Ohm (20 V), or 6 Ohm (25 V)

All substitute parts maintain identical physical form factor, thermal characteristics, and compliance certifications, ensuring direct mechanical and electrical compatibility within the specified parameter ranges.

Parameter Comparison

Part Number	Capacitance	Voltage Rating	Tolerance	ESR	Inventory (Pcs)
TAP225M010SLZ	2.2 µF	10 V	±20%	13 Ohm	1010
TAP225K010SCS	2.2 µF	10 V	±10%	13 Ohm	1568
TAP225K016SCS	2.2 µF	16 V	±10%	8 Ohm	1864
TAP225K020SCS	2.2 µF	20 V	±10%	7 Ohm	2100
TAP225K025SCS	2.2 µF	25 V	±10%	6 Ohm	6489
TAP225M016SCS	2.2 µF	16 V	±20%	8 Ohm	4106
TAP225M025SCS	2.2 µF	25 V	±20%	6 Ohm	2320

Engineering Selection Recommendations

For Direct Replacement (Same Voltage, Improved Tolerance): TAP225K010SCS provides identical 10 V rating with tighter ±10% tolerance specification, maintaining the same ESR and physical footprint. This substitution is appropriate when circuit design requires improved capacitance accuracy without voltage derating.

For Voltage Margin Enhancement: TAP225K016SCS, TAP225K020SCS, and TAP225K025SCS offer progressively higher voltage ratings (16 V, 20 V, 25 V respectively) while maintaining the same 2.2 µF capacitance and physical dimensions. These substitutions provide increased safety margin in circuits subject to voltage transients or supply variations. ESR decreases with higher voltage ratings (8 Ohm, 7 Ohm, 6 Ohm respectively), improving high-frequency performance.

For Tolerance and Voltage Combination: TAP225M016SCS and TAP225M025SCS maintain the ±20% tolerance specification while providing 16 V and 25 V ratings respectively. These are suitable when tolerance requirements remain unchanged but voltage protection is needed.

All substitute parts are ROHS3 compliant, active products with confirmed inventory availability. Selection should be based on circuit voltage requirements and tolerance specifications only.

Frequently Asked Questions (FAQ)

Q: Can TAP225K010SCS replace TAP225M010SLZ in existing designs? A: Yes. TAP225K010SCS is a direct mechanical and electrical replacement with identical voltage rating (10 V) and physical dimensions. The only difference is improved tolerance (±10% versus ±20%), which provides better capacitance accuracy without requiring circuit modifications.

Q: What is the benefit of substituting to a higher voltage-rated part like TAP225K025SCS? A: Higher voltage ratings provide circuit protection margin against transient overvoltages and supply variations. TAP225K025SCS (25 V rating) can be used in 10 V circuits to improve reliability. The physical footprint remains identical, and ESR improves (6 Ohm versus 13 Ohm), enhancing high-frequency performance.

Q: Are all substitute parts physically interchangeable? A: Yes. All parts listed maintain identical physical dimensions (0.177" Dia, 0.276" height, 0.098" lead spacing), radial package configuration, and through-hole mounting type. Direct PCB substitution is possible without layout modifications.

Q: Do substitute parts maintain the same operating temperature range? A: Yes. All substitute parts operate across -55°C to 125°C with 1000 hour lifetime at 85°C, matching the original TAP225M010SLZ specification.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant and maintain identical compliance certifications (REACH Unaffected, ECCN EAR99, HTSUS 8532.21.0040).

Q: What does ESR reduction mean for circuit performance? A: Lower ESR (Equivalent Series Resistance) reduces impedance at high frequencies, improving transient response and reducing voltage ripple. Higher voltage-rated parts in this series feature lower ESR values, providing performance benefits even when used in lower voltage applications.

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