TAP225M035SLR Equivalent & Substitute Parts

Part Overview

The TAP225M035SLR is a 2.2 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 833 units in stock. Alternative equivalent parts are available to accommodate different packaging requirements, tolerance specifications, and lead spacing configurations while maintaining core electrical performance.

Key Parameters

Parameter	Value
Capacitance	2.2 µF
Voltage Rating	35 V
Tolerance	±20%
Type	Conformal Coated Tantalum
ESR	5 Ohm
Operating Temperature Range	-55°C to 125°C
Lifetime @ 85°C	1000 Hours
Mounting Type	Through Hole Radial
Package Diameter	0.177" (4.50 mm)
Height (Seated Max)	0.295" (7.50 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Equivalent substitution for the TAP225M035SLR is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 2.2 µF
Voltage Rating: 35 V
Type: Conformal Coated Tantalum
ESR: 5 Ohm
Operating Temperature Range: -55°C to 125°C
Lifetime @ 85°C: 1000 Hours
Mounting Type: Through Hole Radial
Package Diameter: 0.177" (4.50 mm)
Height (Seated Max): 0.295" (7.50 mm)
RoHS Status: ROHS3 Compliant

Allowable Variation Parameters:

Tolerance: ±20% or tighter (±10%)
Lead Spacing: 0.098" (2.50 mm) or 0.197" (5.00 mm)
Packaging Format: Tape & Reel (TR), Bulk, or Cut Tape (CT)

The identified substitutes maintain all critical electrical and thermal specifications while offering flexibility in tolerance grade and packaging configuration to support different procurement and assembly requirements.

Parameter Comparison

Parameter	TAP225M035SLR	TAP225K035SCS	TAP225M035BRW
Capacitance	2.2 µF	2.2 µF	2.2 µF
Voltage Rating	35 V	35 V	35 V
Tolerance	±20%	±10%	±20%
Type	Conformal Coated Tantalum	Conformal Coated Tantalum	Conformal Coated Tantalum
ESR	5 Ohm	5 Ohm	5 Ohm
Operating Temperature	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C
Lifetime @ 85°C	1000 Hours	1000 Hours	1000 Hours
Package Diameter	0.177" (4.50 mm)	0.177" (4.50 mm)	0.177" (4.50 mm)
Height (Seated Max)	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)
Lead Spacing	0.098" (2.50 mm)	0.098" (2.50 mm)	0.197" (5.00 mm)
Packaging	Tape & Reel (TR)	Bulk	Cut Tape (CT)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Inventory	833 Pcs	919 Pcs	2420 Pcs

Engineering Selection Recommendations

TAP225K035SCS (Upgrade Option): This substitute offers tighter tolerance specification (±10% versus ±20%), providing improved capacitance accuracy for applications requiring stricter component value control. All electrical and thermal characteristics remain identical to the primary part. The bulk packaging format suits high-volume assembly operations. This part is ROHS3 compliant and maintains active production status.

TAP225M035BRW (Manufacturer Recommended): This substitute maintains identical tolerance (±20%) and electrical specifications while offering increased lead spacing (0.197" versus 0.098"). The wider lead pitch accommodates PCB designs with larger pad spacing and may simplify assembly in certain board layouts. Cut tape packaging provides flexibility for moderate-volume production runs. Highest inventory availability (2420 units) supports immediate procurement. This part is ROHS3 compliant and maintains active production status.

All three parts share identical capacitance, voltage rating, ESR, temperature range, and lifetime specifications, ensuring functional equivalence in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can TAP225K035SCS replace TAP225M035SLR in all applications?

A: Yes, with the understanding that TAP225K035SCS provides tighter tolerance (±10% versus ±20%). This represents an upgrade in capacitance accuracy. All other electrical and thermal parameters are identical. Packaging differs (bulk versus tape & reel), which may affect procurement and assembly workflows.

Q: What is the primary difference between TAP225M035BRW and TAP225M035SLR?

A: The lead spacing differs: TAP225M035BRW has 0.197" (5.00 mm) spacing compared to 0.098" (2.50 mm) on TAP225M035SLR. This affects PCB pad layout compatibility. Tolerance, capacitance, voltage, and all electrical specifications remain identical. Packaging format also differs (cut tape versus tape & reel).

Q: Are all three parts ROHS3 compliant?

A: Yes. TAP225M035SLR, TAP225K035SCS, and TAP225M035BRW are all ROHS3 compliant and REACH unaffected.

Q: Which substitute should I select for high-volume production?

A: TAP225M035BRW offers the highest inventory (2420 units) and is available in cut tape format, supporting moderate to high-volume assembly. TAP225K035SCS is available in bulk packaging (919 units) for operations requiring loose component handling.

Q: Do tolerance differences affect circuit performance?

A: Tolerance differences determine the acceptable range of actual capacitance values. TAP225K035SCS (±10%) provides tighter control, ensuring capacitance remains closer to the nominal 2.2 µF value. TAP225M035SLR and TAP225M035BRW (±20%) allow wider variation. Selection depends on circuit requirements for capacitance accuracy.

Q: Can I use these parts interchangeably on the same PCB?

A: TAP225M035SLR and TAP225K035SCS share identical lead spacing (0.098") and can use the same PCB footprint. TAP225M035BRW requires different pad spacing (0.197") and cannot use the same footprint without PCB redesign.

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