Equivalent & Substitute Parts for 1111J5000560FUT

Part Overview

The 1111J5000560FUT is a 56 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, necessitating identification of active equivalent alternatives to maintain supply chain continuity and support ongoing production requirements.

Substiute Parts

1111J5000560FUT

Knowles SyferIn Stock: 9311111J5000560FUT Datasheet

Current PartRFQ

1111J5000560FQT

Knowles SyferIn Stock: 12621111J5000560FQT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1111J5000560FUT is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 56 pF (exact match required)
• Tolerance: ±1% (exact match required)
• Voltage Rating: 500V (exact match required)
• Temperature Coefficient: C0G/NP0 (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)
• Package Type: 1111 (2828 Metric) surface mount (exact match required)
• Physical Dimensions: 2.79mm × 2.79mm footprint with 1.78mm maximum thickness (exact match required)
• Moisture Sensitivity: MSL 1 (exact match required)

The substitute part 1111J5000560FQT meets all these criteria and is manufactured by the same supplier (Knowles Syfer), ensuring mechanical and electrical compatibility with existing designs.

Parameter Comparison

Engineering Selection Recommendations

The 1111J5000560FQT is the direct equivalent substitute for the obsolete 1111J5000560FUT. Both parts share identical electrical specifications, physical dimensions, and package configuration. The substitute part offers the advantage of active product status, ensuring long-term availability and supply chain reliability. The 1111J5000560FQT carries ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement. No design modifications or PCB layout changes are required for substitution.

Frequently Asked Questions (FAQ)

Q: Can the 1111J5000560FQT be used as a direct replacement for the 1111J5000560FUT?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters: 56 pF capacitance, ±1% tolerance, 500V rating, C0G/NP0 temperature coefficient, -55°C to 125°C operating range, and 1111 (2828 Metric) package. No circuit modifications are required.

Q: Are there any compliance differences between the two parts?

A: The substitute part 1111J5000560FQT includes ROHS3 compliance and REACH unaffected certification, whereas the main part does not specify these statuses. Both parts carry EAR99 export classification and identical HTSUS codes.

Q: Will the substitute part fit the existing PCB layout?

A: Yes. The 1111J5000560FQT maintains identical footprint dimensions (2.79mm × 2.79mm) and maximum thickness (1.78mm) as the original part. No PCB redesign is necessary.

Q: What is the moisture sensitivity level for the substitute part?

A: The 1111J5000560FQT carries MSL 1 (Unlimited) rating, identical to the original part. Standard handling procedures for MSL 1 components apply.

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

A: The substitute part is specified for general purpose applications. For RF and microwave applications requiring the high Q and ultra-low ESR characteristics of the original part, verify that the substitute meets the specific performance requirements of your application through datasheet review and electrical testing if necessary.