Equivalent & Substitute Parts for 1111J5000240FUT

Part Overview

The 1111J5000240FUT is a 24 pF ceramic capacitor rated at 500V with C0G/NP0 temperature coefficient, manufactured by Knowles Syfer in a 1111 (2828 Metric) surface mount package. This component is designed for RF and microwave applications requiring high Q, low loss, and ultra-low ESR characteristics. The part is currently listed as obsolete, making identification of suitable substitutes essential for ongoing design support and production continuity.

Substiute Parts

1111J5000240FUT

Knowles SyferIn Stock: 11061111J5000240FUT Datasheet

Current PartRFQ

1111J5000240FQT

Knowles SyferIn Stock: 7911111J5000240FQT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1111J5000240FUT is determined by strict equivalence across the following critical parameters:

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

The substitute part 1111J5000240FQT meets all these parameters and is qualified as a direct replacement.

Parameter Comparison

Engineering Selection Recommendations

The 1111J5000240FQT is the qualified substitute for the obsolete 1111J5000240FUT. Both parts are manufactured by Knowles Syfer and share identical electrical and mechanical specifications. The substitute part carries active product status, ensuring continued availability and supply chain support. Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. Selection of the 1111J5000240FQT eliminates obsolescence risk while maintaining full electrical and mechanical compatibility with existing designs.

Frequently Asked Questions (FAQ)

Q: Can the 1111J5000240FQT be used as a direct replacement for the 1111J5000240FUT?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including capacitance, voltage rating, temperature coefficient, package dimensions, and mounting technology.

Q: What is the difference between the two part numbers?

A: The primary difference is product status. The 1111J5000240FUT is obsolete, while the 1111J5000240FQT is active. The suffix change (FUT to FQT) reflects the active production variant from Knowles Syfer.

Q: Are there any compliance or certification differences?

A: No. Both parts carry identical ECCN (EAR99), HTSUS code (8532.24.0020), and moisture sensitivity level (MSL 1). The substitute part is ROHS3 compliant and REACH unaffected.

Q: Will the substitute part fit the same PCB footprint?

A: Yes. Both parts use the 1111 (2828 Metric) package with identical dimensions of 0.110" L × 0.110" W and 0.070" maximum thickness.

Q: Is the substitute part suitable for RF and microwave applications?

A: Yes. The 1111J5000240FQT maintains the high Q and low loss characteristics required for RF and microwave circuit applications.