Equivalent & Substitute Parts for 2220Y2K50331MXT

Part Overview

The Knowles Syfer 2220Y2K50331MXT is an active, ROHS3 compliant ceramic capacitor rated at 330 pF with 2500V (2.5kV) voltage rating and X7R temperature coefficient. This component is designed for surface mount applications in boardflex-sensitive circuits requiring soft termination characteristics. The part is available in standard 2220 (5750 Metric) package with unlimited moisture sensitivity level (MSL 1).

Substitute parts are identified when equivalent electrical and mechanical parameters allow direct replacement while maintaining circuit performance and compliance requirements.

Substiute Parts

2220Y2K50331MXT
Knowles SyferIn Stock: 6902220Y2K50331MXT Datasheet
2220Y2K50331MXT
Current Part
2220Y4K00331KXT
Knowles SyferIn Stock: 8862220Y4K00331KXT Datasheet
2220Y4K00331KXT
Upgrade

Key Parameters

Parameter Value
Capacitance 330 pF
Voltage Rating 2500V (2.5kV)
Tolerance ±20%
Temperature Coefficient X7R
Package / Case 2220 (5750 Metric)
Mounting Type Surface Mount, MLCC
Operating Temperature Range -55°C ~ 125°C
Features Soft Termination
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

The 2220Y4K00331KXT qualifies as an upgrade substitute based on the following criteria:

Matching Parameters (Required for Substitution):

  • Capacitance: 330 pF (identical)
  • Package / Case: 2220 (5750 Metric) (identical)
  • Mounting Type: Surface Mount, MLCC (identical)
  • Temperature Coefficient: X7R (identical)
  • Operating Temperature Range: -55°C ~ 125°C (identical)
  • Features: Soft Termination (identical)
  • RoHS Status: ROHS3 Compliant (identical)
  • Moisture Sensitivity Level: MSL 1 (identical)

Upgrade Characteristics:

  • Voltage Rating: 4000V (4kV) versus 2500V (2.5kV) — higher voltage rating provides enhanced safety margin
  • Tolerance: ±10% versus ±20% — tighter tolerance specification

Parameter Comparison

Parameter 2220Y2K50331MXT (Main) 2220Y4K00331KXT (Substitute)
Manufacturer Knowles Syfer Knowles Syfer
Capacitance 330 pF 330 pF
Tolerance ±20% ±10%
Voltage Rating 2500V (2.5kV) 4000V (4kV)
Temperature Coefficient X7R X7R
Package / Case 2220 (5750 Metric) 2220 (5750 Metric)
Size / Dimension 0.224" L x 0.197" W (5.70mm x 5.00mm) 0.224" L x 0.197" W (5.70mm x 5.00mm)
Thickness (Max) 0.098" (2.50mm) 0.098" (2.50mm)
Mounting Type Surface Mount, MLCC Surface Mount, MLCC
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C
Features Soft Termination Soft Termination
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level MSL 1 (Unlimited) MSL 1 (Unlimited)
Product Status Active Active

Engineering Selection Recommendations

Both the 2220Y2K50331MXT and 2220Y4K00331KXT maintain active product status with ROHS3 compliance and REACH unaffected certification. The 2220Y4K00331KXT provides an upgrade path with higher voltage rating (4kV versus 2.5kV) and improved tolerance specification (±10% versus ±20%), while maintaining identical physical dimensions, package configuration, and thermal characteristics. Selection between these parts depends on circuit voltage requirements and tolerance specifications.

Frequently Asked Questions (FAQ)

Q: Can the 2220Y4K00331KXT replace the 2220Y2K50331MXT in existing designs?

A: Yes. The substitute part maintains identical capacitance, package dimensions, mounting type, and temperature coefficient. The higher voltage rating and tighter tolerance represent performance improvements compatible with circuits designed for the original part.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts use the 2220 (5750 Metric) package with dimensions of 0.224" L x 0.197" W (5.70mm x 5.00mm) and maximum thickness of 0.098" (2.50mm). PCB layout and assembly processes require no modification.

Q: What is the significance of the tolerance difference?

A: The 2220Y4K00331KXT specifies ±10% tolerance compared to ±20% for the 2220Y2K50331MXT. Tighter tolerance provides more precise capacitance values, beneficial for circuits with strict frequency or filtering requirements.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes. Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or reflow processes.

Q: Are compliance certifications identical?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected, maintaining equivalent regulatory compliance for industrial and commercial applications.

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