SR201C683KAA Equivalent & Substitute Parts

Part Overview

The SR201C683KAA is a 0.068 µF ±10% 100V ceramic capacitor with X7R temperature coefficient manufactured by KYOCERA AVX in the SkyCap® SR series. This through-hole radial component is designed for general-purpose applications requiring stable capacitance across the -55°C to 125°C operating temperature range. The part is currently active and ROHS3 compliant with 913 units in stock.

Equivalent and substitute parts are identified when manufacturers discontinue product lines, when inventory constraints require alternative sourcing, or when design flexibility permits component interchangeability within specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Capacitance	0.068 µF
Tolerance	±10%
Voltage - Rated	100V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Mounting Type	Through Hole
Package / Case	Radial
Lead Spacing	0.100" (2.54mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SR201C683KAA is determined by strict equivalence in the following parameters:

Capacitance value: 0.068 µF
Tolerance: ±10%
Voltage rating: 100V
Temperature coefficient: X7R
Operating temperature range: -55°C to 125°C
Mounting type: Through Hole
Package type: Radial

Mechanical variations including physical dimensions, height, and lead spacing do not preclude substitution provided the component fits within the PCB layout constraints of the target application. Lead style variations (straight vs. formed/kinked) are acceptable substitutions when board-level clearances permit.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	Mounting Type	Package	Lead Spacing	Product Status	Inventory
SR201C683KAA	KYOCERA AVX	0.068 µF	±10%	100V	X7R	-55°C ~ 125°C	Through Hole	Radial	0.100" (2.54mm)	Active	913 Pcs
C320C683K1R5TA	KEMET	0.068 µF	±10%	100V	X7R	-55°C ~ 125°C	Through Hole	Radial	0.100" (2.54mm)	Active	1037 Pcs
C322C683K1R5TA	KEMET	0.068 µF	±10%	100V	X7R	-55°C ~ 125°C	Through Hole	Radial	0.200" (5.08mm)	Active	1682 Pcs
FK26X7R2A683KN000	TDK Corporation	0.068 µF	±10%	100V	X7R	-55°C ~ 125°C	Through Hole	Radial	0.197" (5.00mm)	Not For New Designs	1266 Pcs
RDER72A683K1M1H03A	Murata Electronics	0.068 µF	±10%	100V	X7R	-55°C ~ 125°C	Through Hole	Radial	0.197" (5.00mm)	Active	2709 Pcs

Engineering Selection Recommendations

All substitute parts meet the core electrical specifications of the SR201C683KAA: 0.068 µF capacitance, ±10% tolerance, 100V voltage rating, and X7R temperature coefficient across the -55°C to 125°C operating range.

C320C683K1R5TA (KEMET): Direct mechanical equivalent with identical 0.100" lead spacing. Active product status. ROHS3 compliant. Highest compatibility for direct board-level substitution without layout modification.

C322C683K1R5TA (KEMET): Active product status with highest inventory availability (1682 units). Requires PCB layout verification due to 0.200" lead spacing versus 0.100" on the main part. ROHS3 compliant.

RDER72A683K1M1H03A (Murata Electronics): Active product status with largest inventory (2709 units). Lead spacing of 0.197" requires PCB layout verification. Supplied in cut tape packaging. ROHS3 compliant.

FK26X7R2A683KN000 (TDK Corporation): Marked "Not For New Designs" product status. Suitable only for legacy system maintenance or repair applications. Lead spacing of 0.197" requires PCB layout verification. ROHS3 compliant.

Frequently Asked Questions (FAQ)

Q: Can C322C683K1R5TA replace SR201C683KAA directly on the PCB?

A: Electrical substitution is valid. However, the lead spacing differs (0.200" vs. 0.100"). PCB layout verification is required to confirm the component footprint accommodates the wider lead spacing without trace routing conflicts or mechanical interference.

Q: What is the difference between straight leads and formed/kinked leads?

A: Straight leads (SR201C683KAA, C320C683K1R5TA) insert vertically into PCB holes. Formed or kinked leads (C322C683K1R5TA, FK26X7R2A683KN000, RDER72A683K1M1H03A) are pre-bent for specific lead spacing. Both styles are mechanically compatible with through-hole assembly provided the PCB footprint matches the lead spacing.

Q: Why is FK26X7R2A683KN000 marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new product designs. The part remains available for existing applications and legacy system support.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the environmental compliance status of the SR201C683KAA.

Q: What is the significance of packaging format (Bulk vs. Cut Tape)?

A: Bulk packaging is supplied loose in containers. Cut tape (CT) is supplied on continuous tape for automated assembly equipment. Both formats contain identical components; packaging selection depends on assembly process requirements and volume.

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