Equivalent & Substitute Parts for 1111J5000680FUT

Part Overview

The 1111J5000680FUT is a 68 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 for new designs and production requirements.

Substiute Parts

1111J5000680FUT

Knowles SyferIn Stock: 9081111J5000680FUT Datasheet

Current PartRFQ

1111J5000680FQT

Knowles SyferIn Stock: 8311111J5000680FQT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1111J5000680FUT is determined by strict equivalence across the following critical parameters:

• Capacitance value: 68 pF
• Tolerance: ±1%
• Voltage rating: 500V
• Temperature coefficient: C0G/NP0
• Operating temperature range: -55°C ~ 125°C
• Package type: 1111 (2828 Metric) surface mount MLCC
• Physical dimensions: 0.110" L x 0.110" W x 0.070" max thickness
• Moisture sensitivity: MSL 1

The 1111J5000680FQT meets all substitution criteria as an active product from the same manufacturer with identical electrical specifications and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The 1111J5000680FQT is the direct equivalent for the obsolete 1111J5000680FUT. Both parts share identical electrical and mechanical specifications, ensuring pin-for-pin and footprint compatibility. The substitute part carries active product status, ensuring long-term availability and supply chain reliability. The 1111J5000680FQT is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for new designs and production environments. Both parts carry the same ECCN and HTSUS classifications, maintaining export and tariff consistency.

Frequently Asked Questions (FAQ)

Q: Can the 1111J5000680FQT be used as a direct replacement for the 1111J5000680FUT?

A: Yes. Both parts are electrically and mechanically identical with matching capacitance (68 pF), tolerance (±1%), voltage rating (500V), temperature coefficient (C0G/NP0), operating temperature range (-55°C ~ 125°C), and package dimensions (1111/2828 Metric). The substitute is pin-for-pin and footprint compatible.

Q: What is the primary reason for substitution?

A: The 1111J5000680FUT is obsolete. The 1111J5000680FQT is an active product from the same manufacturer with identical specifications, ensuring continued availability and supply chain support.

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

A: The 1111J5000680FQT is ROHS3 compliant and REACH unaffected. Both parts carry EAR99 ECCN and 8532.24.0020 HTSUS classifications, maintaining regulatory and tariff consistency.

Q: Will the substitute part work in RF and microwave applications?

A: Yes. The 1111J5000680FQT maintains the high Q, low loss characteristics required for RF and microwave applications, though the substitute is designated for general purpose use. Electrical performance remains equivalent across all specified parameters.

Q: Are the physical dimensions identical?

A: Yes. Both parts measure 0.110" L x 0.110" W (2.79mm x 2.79mm) with a maximum thickness of 0.070" (1.78mm), ensuring identical PCB footprint compatibility.