SR201C683KAT Equivalent & Substitute Parts

Part Overview

The SR201C683KAT 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 operating temperature range of -55°C to 125°C. The part is currently active and ROHS3 compliant.

Equivalent and substitute parts are identified based on matching electrical specifications (capacitance, voltage rating, tolerance, and temperature coefficient) and compatible mechanical parameters (mounting type, package style, and lead configuration). Alternative sources provide equivalent performance for applications where the original part is unavailable or where design flexibility permits component substitution.

Substiute Parts

SR201C683KAT

KYOCERA AVXIn Stock: 764SR201C683KAT Datasheet

Current PartRFQ

C320C683K1R5TA

KEMETIn Stock: 1108C320C683K1R5TA Datasheet

MFR RecommendedRFQ

C322C683K1R5TA

KEMETIn Stock: 1778C322C683K1R5TA Datasheet

MFR RecommendedRFQ

FK26X7R2A683KN000

TDK CorporationIn Stock: 1288FK26X7R2A683KN000 Datasheet

MFR RecommendedRFQ

RDER72A683K1M1H03A

Murata ElectronicsIn Stock: 2744RDER72A683K1M1H03A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SR201C683KAT is determined by the following criteria:

Electrical Parameters (Required Match):

• Capacitance: 0.068 µF
• Tolerance: ±10%
• Voltage Rating: 100V
• Temperature Coefficient: X7R
• Operating Temperature Range: -55°C to 125°C

Mechanical Parameters (Compatible Alternatives):

• Mounting Type: Through Hole
• Package / Case: Radial
• Lead Spacing: 0.100" (2.54mm) or 0.200" (5.08mm)
• Lead Style: Straight or Formed Leads (including kinked variants)
• Physical Dimensions: Variations within radial package envelope acceptable

Compliance Parameters:

• RoHS3 Compliant
• REACH Unaffected
• ECCN: EAR99

All identified substitute parts meet these electrical and compliance requirements. Mechanical variations in lead spacing and lead style are acceptable provided the component fits the PCB layout and assembly process.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

C320C683K1R5TA (KEMET) and C322C683K1R5TA (KEMET) are recommended as primary substitutes. Both are active products with ROHS3 compliance and REACH unaffected status. C320C683K1R5TA maintains identical lead spacing (0.100") to the SR201C683KAT, making it a direct mechanical replacement. C322C683K1R5TA uses 0.200" lead spacing with formed leads, requiring PCB layout verification before substitution.

RDER72A683K1M1H03A (Murata Electronics) is an active product suitable for applications where 0.197" lead spacing and kinked formed leads are compatible with the PCB design. This part offers the highest inventory availability (2709 Pcs).

Secondary Substitute (Legacy Status):

FK26X7R2A683KN000 (TDK Corporation) is designated "Not For New Designs" and should be used only for maintenance or repair of existing assemblies using this component. This part is retained in the substitute list due to electrical equivalence but is not recommended for new product development.

All substitute parts meet the electrical and compliance requirements of the SR201C683KAT. Selection should be based on PCB layout compatibility, lead spacing requirements, and lead style preferences for the assembly process.

Frequently Asked Questions (FAQ)

Q: Can C320C683K1R5TA be used as a direct replacement for SR201C683KAT?

A: Yes. Both parts share identical electrical specifications (0.068 µF, ±10%, 100V, X7R) and operating temperature range (-55°C to 125°C). Both use 0.100" lead spacing with straight leads, making C320C683K1R5TA a direct mechanical and electrical substitute.

Q: What is the difference between C320C683K1R5TA and C322C683K1R5TA?

A: Both are KEMET GoldMax 300 Comm X7R capacitors with identical electrical specifications. The primary difference is lead spacing: C320C683K1R5TA uses 0.100" spacing (matching SR201C683KAT), while C322C683K1R5TA uses 0.200" spacing with formed leads. PCB layout must accommodate the different lead spacing before substitution.

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

A: FK26X7R2A683KN000 is a legacy TDK product no longer recommended for new product development. It remains electrically equivalent but should be reserved for maintenance or repair of existing assemblies. For new designs, use active products: C320C683K1R5TA, C322C683K1R5TA, or RDER72A683K1M1H03A.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (C320C683K1R5TA, C322C683K1R5TA, FK26X7R2A683KN000, and RDER72A683K1M1H03A) are ROHS3 compliant and REACH unaffected, matching the compliance status of SR201C683KAT.

Q: What lead spacing options are available among the substitutes?

A: Three lead spacing options are available: 0.100" (2.54mm) for C320C683K1R5TA; 0.200" (5.08mm) for C322C683K1R5TA; and 0.197" (5.00mm) for FK26X7R2A683KN000 and RDER72A683K1M1H03A. Lead spacing selection depends on PCB hole pattern design and assembly requirements.

Q: Can formed leads or kinked leads be used in place of straight leads?

A: Formed and kinked leads are mechanically compatible substitutes provided the PCB layout accommodates the different lead spacing and lead geometry. Verify PCB hole positions and assembly tooling compatibility before substitution.