Equivalent & Substitute Parts for 1111Y5000200FUT

Part Overview

The 1111Y5000200FUT is a 20 pF ±1% 500V ceramic capacitor manufactured by Knowles Syfer, featuring C0G/NP0 temperature coefficient characteristics. This component is designed for RF, microwave, and high-frequency applications requiring high Q, low loss, and ultra-low ESR performance. The part is classified as obsolete, necessitating identification of active equivalent alternatives to maintain supply chain continuity and support ongoing production requirements.

Substiute Parts

1111Y5000200FUT

Knowles SyferIn Stock: 10461111Y5000200FUT Datasheet

Current PartRFQ

1111Y5000200FQT

Knowles SyferIn Stock: 11881111Y5000200FQT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1111Y5000200FUT is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 20 pF (exact match required)
• Tolerance: ±1% (exact match required)
• Voltage Rating: 500V (exact match required)
• Temperature Coefficient: C0G, NP0 (1B) (exact match required)
• Operating Temperature Range: -55°C ~ 125°C (exact match required)
• Package / Case: 1111 (2828 Metric) (exact match required)
• Physical Dimensions: 0.110" L x 0.110" W x 0.070" max thickness (exact match required)
• Mounting Type: Surface Mount, MLCC (exact match required)
• RoHS Compliance: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

The substitute part 1111Y5000200FQT meets all specified parameters and is classified as active product status, providing direct functional and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The 1111Y5000200FQT is the direct equivalent substitute for the obsolete 1111Y5000200FUT. Both components are manufactured by Knowles Syfer within the FlexiCap™ series and maintain identical electrical, mechanical, and environmental specifications. The substitute part carries active product status, ensuring continued availability and supply chain support. Both parts maintain ROHS3 compliance and identical export classification (EAR99), supporting regulatory and compliance requirements. The transition from 1111Y5000200FUT to 1111Y5000200FQT requires no circuit redesign, PCB layout modification, or assembly process changes.

Frequently Asked Questions (FAQ)

Q: Can 1111Y5000200FQT be used as a direct replacement for 1111Y5000200FUT in existing designs?

A: Yes. Both parts are identical in capacitance (20 pF), tolerance (±1%), voltage rating (500V), temperature coefficient (C0G/NP0), operating temperature range (-55°C ~ 125°C), package type (1111/2828 Metric), physical dimensions, and compliance certifications. No design modifications are required.

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

A: The 1111Y5000200FUT is classified as obsolete, while 1111Y5000200FQT is active product. The termination style differs (FUT vs. FQT designation), but electrical and mechanical performance remain equivalent.

Q: Are there any differences in RoHS or environmental compliance?

A: Both parts are ROHS3 compliant with MSL rating of 1 (Unlimited). Both carry identical ECCN (EAR99) and HTSUS (8532.24.0020) classifications.

Q: Will PCB assembly processes require adjustment when switching to the substitute part?

A: No. Both components share identical package dimensions (0.110" x 0.110" x 0.070" max), mounting type (Surface Mount, MLCC), and footprint specifications. Existing assembly parameters remain valid.

Q: Is the substitute part available in equivalent inventory quantities?

A: The 1111Y5000200FQT is actively manufactured and stocked. Availability should be confirmed with the component distributor for specific project timelines.