Equivalent & Substitute Parts for 1111Y5000201FUT

Part Overview

The 1111Y5000201FUT is a 200 pF ±1% 500V ceramic capacitor manufactured by Knowles Syfer in the FlexiCap™ series. This surface mount multilayer ceramic capacitor (MLCC) features C0G/NP0 temperature coefficient characteristics with high Q, low loss, and ultra-low ESR performance suitable for RF, microwave, and high-frequency applications. The part is currently obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure supply chain availability.

Substiute Parts

1111Y5000201FUT

Knowles SyferIn Stock: 10981111Y5000201FUT Datasheet

Current PartRFQ

1111Y5000201FQT

Knowles SyferIn Stock: 9491111Y5000201FQT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 1111Y5000201FUT is determined by strict equivalence across the following critical parameters:

• Capacitance value: 200 pF
• Tolerance: ±1%
• Voltage rating: 500V
• Temperature coefficient: C0G, NP0 (1B)
• Operating temperature range: -55°C ~ 125°C
• Package / Case: 1111 (2828 Metric)
• Physical dimensions: 0.110" L x 0.110" W (2.79mm x 2.79mm)
• Mounting type: Surface Mount, MLCC
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

The substitute part 1111Y5000201FQT meets all these parameters and is manufactured by the same supplier (Knowles Syfer) within the same FlexiCap™ series, ensuring functional and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The 1111Y5000201FQT is the direct equivalent substitute for the obsolete 1111Y5000201FUT. Both parts are manufactured by Knowles Syfer and share identical electrical specifications, physical dimensions, and compliance certifications. The substitute part maintains active product status, ensuring continued availability and supply chain support. Both parts comply with ROHS3 requirements and carry MSL 1 rating, indicating no moisture sensitivity constraints during storage and handling. Selection of the active part 1111Y5000201FQT eliminates obsolescence risk while preserving full design compatibility.

Frequently Asked Questions (FAQ)

Q: Can 1111Y5000201FQT be used as a direct replacement for 1111Y5000201FUT?

A: Yes. Both parts are electrically and mechanically identical, with matching capacitance (200 pF), tolerance (±1%), voltage rating (500V), temperature coefficient (C0G, NP0), package (1111/2828 Metric), and physical dimensions. The substitute is manufactured by the same supplier within the same product series.

Q: What is the primary reason for substitution?

A: The 1111Y5000201FUT is obsolete. The 1111Y5000201FQT is the active equivalent, ensuring supply availability and long-term design support.

Q: Are there any differences in performance characteristics?

A: No. Both parts share identical electrical performance parameters, including high Q, low loss, and soft termination features. Operating temperature range, voltage rating, and tolerance specifications are equivalent.

Q: Do both parts have the same compliance certifications?

A: Yes. Both parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, indicating identical handling and storage requirements.

Q: Are the physical dimensions identical?

A: Yes. Both parts use the 1111 (2828 Metric) package with dimensions of 0.110" L x 0.110" W (2.79mm x 2.79mm) and maximum thickness of 0.070" (1.78mm), ensuring PCB layout compatibility.

Q: Can these parts be used interchangeably in RF and microwave applications?

A: Yes. Both parts are specified for RF, microwave, and high-frequency applications with identical electrical characteristics and performance ratings.