Equivalent & Substitute Parts for 1111Y5000820KUT

Part Overview

The 1111Y5000820KUT is an 82 pF ceramic capacitor rated at 500V with C0G/NP0 temperature coefficient, manufactured by Knowles Syfer in the FlexiCap™ series. This component is designed for RF, microwave, and high-frequency applications requiring low loss and ultra-low ESR characteristics. The part is currently listed as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure supply chain availability.

Substiute Parts

1111Y5000820KUT

Knowles SyferIn Stock: 12381111Y5000820KUT Datasheet

Current PartRFQ

1111Y5000820KQT

Knowles SyferIn Stock: 10851111Y5000820KQT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1111Y5000820KUT is determined by strict equivalence across the following parameters:

• Capacitance Value: 82 pF (exact match required)
• Tolerance: ±10% (exact match required)
• Voltage Rating: 500V (exact match required)
• Temperature Coefficient: C0G/NP0 (1B) (exact match required)
• Operating Temperature Range: -55°C ~ 125°C (exact match required)
• Package Designation: 1111 (2828 Metric) (exact match required)
• Mounting Technology: Surface Mount, MLCC (exact match required)
• Compliance Standards: ROHS3 Compliant, MSL 1 (exact match required)

The substitute part 1111Y5000820KQT meets all specified parameters and is classified as an active product, providing direct functional and mechanical compatibility with the obsolete 1111Y5000820KUT.

Parameter Comparison

Engineering Selection Recommendations

The 1111Y5000820KQT is the direct equivalent substitute for the obsolete 1111Y5000820KUT. Both components are manufactured by Knowles Syfer and share identical electrical specifications, mechanical dimensions, and compliance certifications. The substitute part maintains active product status, ensuring continued availability and supply chain support. Selection of the 1111Y5000820KQT eliminates obsolescence risk while preserving full functional compatibility in RF, microwave, and high-frequency circuit applications. ROHS3 compliance and MSL 1 rating are maintained across both parts.

Frequently Asked Questions (FAQ)

Q: Can the 1111Y5000820KQT be used as a direct replacement for the 1111Y5000820KUT?

A: Yes. Both parts are identical in capacitance (82 pF), tolerance (±10%), voltage rating (500V), temperature coefficient (C0G/NP0), operating temperature range (-55°C ~ 125°C), package type (1111/2828 Metric), and compliance standards (ROHS3, MSL 1). The substitute is an active product from the same manufacturer.

Q: Are there any differences in physical dimensions between these parts?

A: No. Both the 1111Y5000820KUT and 1111Y5000820KQT share identical dimensions: 0.110" L x 0.110" W (2.79mm x 2.79mm) with a maximum thickness of 0.070" (1.78mm). PCB layout and assembly processes require no modification.

Q: What is the significance of the product status change from obsolete to active?

A: The active status of the 1111Y5000820KQT ensures continued manufacturing, availability, and technical support from Knowles Syfer. This eliminates supply chain discontinuity and provides long-term component availability for production and field service applications.

Q: Are both parts suitable for RF and microwave applications?

A: Yes. Both components are specified for RF, microwave, and high-frequency applications with low loss and soft termination characteristics. The C0G/NP0 temperature coefficient ensures stable capacitance across the operating temperature range required for these applications.

Q: Do compliance certifications differ between the two parts?

A: No. Both parts maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity) ratings. ECCN and HTSUS classifications are identical.