SR271C104KAR Equivalent & Substitute Parts

Part Overview

The SR271C104KAR is a 0.1 µF ±10% 100V ceramic capacitor with X7R temperature coefficient manufactured by KYOCERA AVX in the SkyCap® SR series. This radial through-hole component is designed for general-purpose applications requiring stable capacitance across the -55°C to 125°C operating temperature range. The part is Active status and ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications (capacitance, voltage rating, tolerance, temperature coefficient) and compatible mechanical parameters (mounting type, lead configuration, package case).

Key Parameters

Parameter	Value
Capacitance	0.1 µF
Tolerance	±10%
Voltage - Rated	100V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Through Hole
Package / Case	Radial
Lead Style	Formed Leads
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SR271C104KAR is determined by strict equivalence across the following parameters:

Electrical Equivalence Requirements:

Capacitance: 0.1 µF (exact match required)
Tolerance: ±10% (exact match required)
Voltage Rating: 100V (exact match required)
Temperature Coefficient: X7R (exact match required)
Operating Temperature: -55°C ~ 125°C (exact match required)

Mechanical Compatibility Requirements:

Mounting Type: Through Hole (exact match required)
Package / Case: Radial (exact match required)
Lead Spacing: 0.100" (2.54mm) or 0.200" (5.08mm) acceptable for PCB layout compatibility
Lead Style: Formed Leads or Straight acceptable based on assembly process

Compliance Requirements:

RoHS Status: ROHS3 Compliant (all substitutes must match)
REACH Status: REACH Unaffected (all substitutes must match)

All identified substitute parts meet these criteria and are sourced from KYOCERA AVX and KEMET manufacturers, both established suppliers of ceramic capacitors.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Temp Coeff	Operating Temp	Mounting Type	Lead Spacing	Lead Style	Packaging	Inventory (Pcs)
SR271C104KAR	KYOCERA AVX	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.300" (7.62mm)	Formed Leads	Bulk	1048
SR201C104KAR	KYOCERA AVX	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.100" (2.54mm)	Straight	Bulk	16866
SR291C104KARTR1	KYOCERA AVX	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.100" (2.54mm)	Formed Leads	Cut Tape (CT)	7604
C315C104K1R5TA	KEMET	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.100" (2.54mm)	Straight	Bulk	3312
C320C104K1R5TA	KEMET	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.100" (2.54mm)	Straight	Bulk	2317
C320C104K1R5TA7301	KEMET	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.100" (2.54mm)	Straight	Cut Tape (CT)	1099
C320C104K1R5TA7303	KEMET	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.100" (2.54mm)	Straight	Cut Tape (CT)	1815
C322C104K1R5TA	KEMET	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.200" (5.08mm)	Formed Leads	Bulk	5172
C322C104K1R5TA7301	KEMET	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.200" (5.08mm)	Formed Leads	Cut Tape (CT)	1593
C322C104K1R5TA7303	KEMET	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.200" (5.08mm)	Formed Leads	Cut Tape (CT)	5635
C330C104K1R5TA	KEMET	0.1 µF	100V	±10%	X7R	-55°C ~ 125°C	Through Hole	0.200" (5.08mm)	Formed Leads	Bulk	12192

Engineering Selection Recommendations

All substitute parts listed are Active status products with ROHS3 compliance and REACH Unaffected designation, matching the regulatory and compliance profile of the SR271C104KAR.

KYOCERA AVX Substitutes: SR201C104KAR and SR291C104KARTR1 are direct KYOCERA AVX alternatives within the SkyCap® SR series. SR201C104KAR offers higher inventory availability (16,866 pcs) with reduced lead spacing (0.100" vs 0.300"). SR291C104KARTR1 is available in Cut Tape packaging with formed leads and equivalent lead spacing.

KEMET Substitutes: KEMET GoldMax 300 Comm X7R series parts (C315C104K1R5TA, C320C104K1R5TA, C322C104K1R5TA, C330C104K1R5TA) provide cross-manufacturer equivalence. Selection depends on lead spacing and packaging requirements. C322C104K1R5TA and C330C104K1R5TA variants with 0.200" (5.08mm) lead spacing accommodate wider PCB trace spacing. Cut Tape variants (7301, 7303 designations) support automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can SR201C104KAR replace SR271C104KAR directly on the PCB?

A: Electrical substitution is valid. However, SR201C104KAR has 0.100" lead spacing versus SR271C104KAR's 0.300" spacing. PCB layout compatibility must be verified before substitution.

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

A: Bulk packaging is suitable for manual assembly and lower-volume applications. Cut Tape (CT) packaging is optimized for automated pick-and-place assembly processes. Electrical and mechanical specifications remain identical.

Q: Are KEMET parts fully compatible with KYOCERA AVX designs?

A: Yes, all KEMET substitutes match the electrical specifications (0.1 µF, 100V, ±10%, X7R, -55°C ~ 125°C) and mechanical requirements (Through Hole, Radial, ROHS3 compliant). Lead spacing and lead style variations require PCB layout verification.

Q: What does the 7301 and 7303 suffix indicate on KEMET parts?

A: These suffixes denote packaging tape configuration variants for automated assembly. Both maintain identical electrical and core mechanical specifications.

Q: Which substitute offers the highest inventory availability?

A: C330C104K1R5TA (KEMET) provides 12,192 pcs in stock, followed by SR201C104KAR (KYOCERA AVX) with 16,866 pcs. Verify lead spacing compatibility with your PCB design before selection.

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