Equivalent & Substitute Parts for 1111Y5000240FUT

Part Overview

The 1111Y5000240FUT is a 24 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 suitable for RF, microwave, and high-frequency applications requiring low loss and ultra-low ESR performance.

The 1111Y5000240FUT is currently listed as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production, repair, and field replacement applications.

Substiute Parts

1111Y5000240FUT

Knowles SyferIn Stock: 11301111Y5000240FUT Datasheet

Current PartRFQ

1111Y5000240FQT

Knowles SyferIn Stock: 10851111Y5000240FQT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1111Y5000240FUT is determined by strict equivalence across the following parameters:

• Capacitance value: 24 pF
• Tolerance: ±1%
• Voltage rating: 500V
• Temperature coefficient: C0G, NP0 (1B)
• Operating temperature range: -55°C to 125°C
• Package type: 1111 (2828 Metric)
• Physical dimensions: 0.110" L × 0.110" W × 0.070" maximum thickness
• Mounting configuration: Surface mount MLCC
• Compliance standards: ROHS3 Compliant

The substitute part 1111Y5000240FQT meets all specified parameters and is manufactured by the same supplier (Knowles Syfer) within the same product series (FlexiCap™).

Parameter Comparison

Engineering Selection Recommendations

The 1111Y5000240FQT is the direct equivalent substitute for the 1111Y5000240FUT. Both components are manufactured by Knowles Syfer and share identical electrical specifications, physical dimensions, and compliance certifications.

The primary distinction is product status: the original part is obsolete while the substitute is active. The substitute part maintains ROHS3 compliance and carries REACH Unaffected status, ensuring regulatory alignment for current production and field replacement applications.

Selection of the 1111Y5000240FQT eliminates obsolescence risk while preserving full electrical and mechanical compatibility with designs originally specified for the 1111Y5000240FUT.

Frequently Asked Questions (FAQ)

Q: Can the 1111Y5000240FQT be used as a direct replacement for the 1111Y5000240FUT?

A: Yes. Both parts are electrically and mechanically identical. The 1111Y5000240FQT is the active production equivalent manufactured by Knowles Syfer.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both components use the 1111 (2828 Metric) package with dimensions of 0.110" L × 0.110" W and maximum thickness of 0.070" (1.78mm). PCB footprints and assembly processes remain unchanged.

Q: What is the difference between the part numbers 1111Y5000240FUT and 1111Y5000240FQT?

A: The suffix letters (UT vs. QT) indicate different termination or manufacturing process variants within the same base product number (1111Y). Both variants meet identical electrical and mechanical specifications.

Q: Are both parts RoHS compliant?

A: Yes. Both the 1111Y5000240FUT and 1111Y5000240FQT are ROHS3 compliant. The substitute part additionally carries REACH Unaffected status.

Q: What is the moisture sensitivity level for these capacitors?

A: Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

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

A: Yes. Both components are specified for RF, microwave, and high-frequency applications with low loss and ultra-low ESR characteristics suitable for boardflex-sensitive designs.