MC22FF331F-F Equivalent & Substitute Parts

Part Overview

The MC22FF331F-F is a 330 pF mica capacitor manufactured by Cornell Dubilier Electronics (CDE) rated for 1 kV operation in a 2220 (5750 Metric) surface mount package. This component is designed for RF applications requiring high Q factor and low loss characteristics. The part is currently Active in product status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1).

Substitute parts are identified to address inventory availability, tolerance requirements, or specific application needs while maintaining electrical and mechanical compatibility within the 2220 package footprint and 1 kV voltage rating.

Substiute Parts

MC22FF331F-F

Cornell Dubilier Electronics (CDE)In Stock: 1045MC22FF331F-F Datasheet

Current PartRFQ

MC22FF331J-F

Cornell Dubilier Electronics (CDE)In Stock: 1478MC22FF331J-F Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution between MC22FF331F-F and MC22FF331J-F is permissible based on the following alignment of critical parameters:

Matching Parameters (Substitution Basis):

• Capacitance: 330 pF (identical)
• Voltage Rating: 1 kV (identical)
• Dielectric Material: Mica (identical)
• Package / Case: 2220 (5750 Metric) (identical)
• Mounting Type: Surface Mount (identical)
• Operating Temperature Range: -55°C ~ 125°C (identical)
• Physical Dimensions: 0.224" L x 0.197" W, Height 0.157" max (identical)
• RoHS Status: ROHS3 Compliant (identical)
• MSL Rating: 1 (Unlimited) (identical)

Differing Parameter:

• Tolerance: MC22FF331F-F specifies ±1%, while MC22FF331J-F specifies ±5%

The tolerance difference represents the only electrical specification variance. Selection between these parts depends on circuit tolerance requirements. Both parts maintain identical RF performance characteristics, voltage handling, and thermal stability.

Parameter Comparison

Engineering Selection Recommendations

MC22FF331F-F Selection Criteria: Select MC22FF331F-F when circuit design requires ±1% capacitance tolerance. This tighter tolerance specification is appropriate for precision RF tuning networks, resonant circuits, or applications where capacitance accuracy directly impacts frequency stability or filter performance.

MC22FF331J-F Selection Criteria: Select MC22FF331J-F when circuit design permits ±5% capacitance tolerance. This part is suitable for general-purpose RF applications where tolerance stack-up analysis confirms acceptable performance margins. The ±5% tolerance is standard for many RF coupling and bypass applications.

Compliance and Availability: Both parts maintain Active product status with ROHS3 compliance and REACH Unaffected designation. MC22FF331J-F currently shows higher inventory availability (1461 pcs vs. 965 pcs), which may influence procurement decisions for high-volume production.

Both parts are suitable for surface mount assembly in 2220 package footprints without modification to PCB layout or reflow profiles.

Frequently Asked Questions (FAQ)

Q: Can MC22FF331J-F replace MC22FF331F-F in existing designs?

A: MC22FF331J-F can replace MC22FF331F-F only if the circuit tolerance analysis confirms that ±5% capacitance variation remains within acceptable performance limits. The substitute part is electrically and mechanically compatible but has relaxed tolerance specification. Review circuit sensitivity to capacitance variation before substitution.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts use the 2220 (5750 Metric) package with identical length (0.224" / 5.70mm), width (0.197" / 5.00mm), and maximum seated height (0.157" / 4.00mm). No PCB layout modifications are required for substitution.

Q: Do both parts have the same voltage rating?

A: Yes. Both MC22FF331F-F and MC22FF331J-F are rated for 1 kV operation. Voltage handling capability is identical between the two parts.

Q: What is the difference in tolerance specification?

A: MC22FF331F-F specifies ±1% capacitance tolerance, while MC22FF331J-F specifies ±5% tolerance. The ±1% specification provides tighter capacitance accuracy. Select based on circuit requirements for frequency stability and filter performance.

Q: Are both parts RoHS compliant?

A: Yes. Both MC22FF331F-F and MC22FF331J-F are ROHS3 Compliant with MSL 1 (Unlimited) moisture sensitivity rating. Both parts meet environmental compliance requirements for standard PCB assembly processes.

Q: Can these parts be used interchangeably in RF applications?

A: Both parts are specified for RF applications with identical High Q and Low Loss characteristics. Interchangeability depends on circuit tolerance requirements. If the design specifies ±1% tolerance, use MC22FF331F-F. If ±5% tolerance is acceptable, either part is suitable.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -55°C to 125°C. Thermal performance and capacitance stability are identical across this temperature range.