SR145C104KART Equivalent & Substitute Parts

Part Overview

The SR145C104KART is a 0.1 µF ±10% 50V ceramic capacitor with X7R temperature coefficient manufactured by KYOCERA AVX in the SkyCap® SR series. This through-hole radial component is rated for general-purpose applications across an operating temperature range of -55°C to 125°C and maintains ROHS3 compliance.

Substitute parts become necessary when the primary part number reaches end-of-life status, inventory constraints occur, or design requirements permit dimensional or packaging variations while maintaining electrical equivalence.

Key Parameters

Parameter	Value
Capacitance	0.1 µF
Tolerance	±10%
Voltage Rating	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Mounting Type	Through Hole
Package Type	Radial
Lead Spacing	0.100" (2.54mm) or 0.200" (5.08mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SR145C104KART is determined by strict electrical and mechanical parameter matching:

Electrical Equivalence Requirements:

Capacitance: 0.1 µF (exact match required)
Tolerance: ±10% (exact match required)
Voltage Rating: 50V minimum (equal or higher acceptable)
Temperature Coefficient: X7R (exact match required)
Operating Temperature: -55°C to 125°C (exact match required)

Mechanical Compatibility Criteria:

Mounting Type: Through Hole (exact match required)
Package Type: Radial (exact match required)
Lead Spacing: 0.100" (2.54mm) primary; 0.200" (5.08mm) acceptable with board layout verification
Physical Dimensions: Variations permitted within PCB footprint constraints
Lead Style: Formed Leads - Kinked or Straight (both acceptable)

Compliance Requirements:

RoHS3 Compliant (mandatory)
REACH Unaffected or compliant status required

Substitute parts are grouped by lead spacing and packaging format (Bulk or Cut Tape) to facilitate procurement flexibility while maintaining circuit functionality.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Lead Spacing	Packaging	Product Status	Inventory
SR145C104KART	KYOCERA AVX	0.1 µF	±10%	50V	X7R	0.100" (2.54mm)	Bulk	Active	1092 Pcs
SR075C104KARTR1	KYOCERA AVX	0.1 µF	±10%	50V	X7R	0.100" (2.54mm)	Cut Tape (CT)	Active	1821 Pcs
SR205C104KAA	KYOCERA AVX	0.1 µF	±10%	50V	X7R	0.100" (2.54mm)	Bulk	Active	1482 Pcs
SR215C104KART	KYOCERA AVX	0.1 µF	±10%	50V	X7R	0.200" (5.08mm)	Bulk	Active	3910 Pcs
SR215C104KARTR1	KYOCERA AVX	0.1 µF	±10%	50V	X7R	0.200" (5.08mm)	Cut Tape (CT)	Active	4200 Pcs
SR215C104KARTR2	KYOCERA AVX	0.1 µF	±10%	50V	X7R	0.200" (5.08mm)	Cut Tape (CT)	Active	48380 Pcs
SR295C104KAATR1	KYOCERA AVX	0.1 µF	±10%	50V	X7R	0.100" (2.54mm)	Cut Tape (CT)	Active	10863 Pcs
FK18X7R1H104KN020	TDK Corporation	0.1 µF	±10%	50V	X7R	0.098" (2.50mm)	Bulk	Not For New Designs	20079 Pcs
K104K10X7RF53L2	Vishay Beyschlag/Draloric/BC Components	0.1 µF	±10%	50V	X7R	0.098" (2.50mm)	Bulk	Active	10650 Pcs
K104K10X7RF5TL2	Vishay Beyschlag/Draloric/BC Components	0.1 µF	±10%	50V	X7R	0.098" (2.50mm)	Cut Tape (CT)	Active	36558 Pcs
K104K15X7RF53K2	Vishay Beyschlag/Draloric/BC Components	0.1 µF	±10%	50V	X7R	0.098" (2.50mm)	Bulk	Active	17802 Pcs

Engineering Selection Recommendations

Primary Substitutes (KYOCERA AVX SkyCap® SR Series):

For direct electrical and mechanical compatibility with minimal design impact, select from the KYOCERA AVX SkyCap® SR series substitutes. All parts in this family maintain identical electrical specifications and ROHS3 compliance. Selection between 0.100" (2.54mm) and 0.200" (5.08mm) lead spacing variants depends on PCB footprint design. The SR215C104KARTR2 variant offers the highest inventory availability (48,380 Pcs) with 0.200" lead spacing in Cut Tape packaging.

Alternative Manufacturers:

Vishay Beyschlag/Draloric/BC Components Mono-Kap™ K series parts (K104K10X7RF53L2, K104K10X7RF5TL2, K104K15X7RF53K2) provide electrical equivalence with 0.098" (2.50mm) lead spacing. These parts are Active status and ROHS3 compliant. PCB layout modification is required to accommodate the non-standard lead spacing.

Obsolete Status:

The TDK Corporation FK18X7R1H104KN020 carries "Not For New Designs" status and is unsuitable for new circuit development despite current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can I substitute SR145C104KART with a part having different lead spacing?

A: Lead spacing substitution is possible only if your PCB footprint accommodates the alternate spacing. The SR145C104KART uses 0.100" (2.54mm) lead spacing. Parts with 0.200" (5.08mm) spacing (SR215C104KART series) or 0.098" (2.50mm) spacing (Vishay K series) require PCB layout verification before implementation.

Q: What is the difference between Bulk and Cut Tape packaging?

A: Bulk packaging supplies loose components suitable for manual assembly or tube feeding. Cut Tape (CT) packaging provides components on continuous tape for automated pick-and-place equipment. Electrical and mechanical specifications remain identical; packaging selection depends on assembly process requirements.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts maintain ROHS3 compliance. The TDK FK18X7R1H104KN020 is ROHS3 compliant but carries "Not For New Designs" status and should not be selected for new applications.

Q: Can I use the Vishay K104K series as a direct replacement?

A: Vishay K104K series parts provide electrical equivalence but feature 0.098" (2.50mm) lead spacing instead of the standard 0.100" (2.54mm) or 0.200" (5.08mm) spacing. PCB footprint modification is required. These parts are Active status and suitable for new designs.

Q: Which substitute offers the best inventory availability?

A: SR215C104KARTR2 (KYOCERA AVX, 0.200" lead spacing, Cut Tape) provides the highest inventory with 48,380 Pcs in stock. For 0.100" lead spacing, SR295C104KAATR1 offers 10,863 Pcs availability.

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