Equivalent & Substitute Parts for C2012Y5V1H225Z

Part Overview

The C2012Y5V1H225Z is a 2.2 µF ceramic capacitor rated at 50V with Y5V temperature coefficient in 0805 (2012 Metric) surface mount package, manufactured by TDK Corporation. This part is classified as Obsolete, making identification of suitable alternatives necessary for ongoing production and design requirements. The Y5V dielectric provides capacitance stability within -20% to +80% tolerance across the operating temperature range of -30°C to 85°C, suitable for general-purpose applications where cost-effectiveness is prioritized over strict capacitance stability.

Substiute Parts

C2012Y5V1H225Z

TDK CorporationIn Stock: 966C2012Y5V1H225Z Datasheet

Current PartRFQ

C2012X5R1H225M125AB

TDK CorporationIn Stock: 22221C2012X5R1H225M125AB Datasheet

MFR RecommendedRFQ

08056G225ZAT2A

KYOCERA AVXIn Stock: 119208056G225ZAT2A Datasheet

MFR RecommendedRFQ

CL21B225KOFNNNE

Samsung Electro-MechanicsIn Stock: 222346CL21B225KOFNNNE Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the C2012Y5V1H225Z is determined by the following critical parameters:

Primary Matching Criteria:

• Capacitance: 2.2 µF (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required for PCB compatibility)
• Mounting Type: Surface Mount, MLCC (exact match required)
• Voltage Rating: Equal to or greater than 50V (substitutes must not have lower voltage ratings)

Secondary Compatibility Factors:

• Temperature Coefficient: Y5V or X5R or X7R acceptable (different dielectric materials with comparable or superior stability)
• Tolerance: -20%/+80% or ±20% or ±10% acceptable (tighter tolerances are acceptable)
• Operating Temperature Range: Must encompass or exceed -30°C to 85°C
• Moisture Sensitivity Level: MSL 1 preferred for consistency

Three substitute parts meet these criteria with varying trade-offs in voltage rating, temperature coefficient, and product status.

Parameter Comparison

Engineering Selection Recommendations

C2012X5R1H225M125AB (TDK Corporation): This substitute maintains the 50V voltage rating and 0805 package of the original part. The X5R temperature coefficient provides superior capacitance stability (±20% across temperature range) compared to Y5V (-20%, +80%), with extended lower temperature operation to -55°C. However, this part carries "Not For New Designs" status. Selection is appropriate for legacy system maintenance where the original part is unavailable and design re-qualification is not feasible.

08056G225ZAT2A (KYOCERA AVX): This substitute maintains Y5V temperature coefficient and operating temperature range identical to the original part, with Active product status ensuring long-term availability. However, the voltage rating is reduced to 6.3V, making this part unsuitable for applications requiring the full 50V rating. Selection is appropriate only for applications where circuit voltage does not exceed 6.3V and Y5V dielectric characteristics are required. The reduced thickness (0.037" vs. 0.057") may provide space advantages in constrained designs.

CL21B225KOFNNNE (Samsung Electro-Mechanics): This substitute provides the highest product status (Active) and superior temperature coefficient stability (X7R, ±10% tolerance) with extended operating range to 125°C. The voltage rating of 16V is insufficient for the original 50V specification. Selection is appropriate only for applications where circuit voltage does not exceed 16V. The tighter tolerance (±10%) and superior temperature stability make this part suitable for precision applications within its voltage limitation.

Frequently Asked Questions (FAQ)

Q: Can I use 08056G225ZAT2A or CL21B225KOFNNNE as direct replacements for C2012Y5V1H225Z?

A: No. Both parts have voltage ratings below the original 50V specification. 08056G225ZAT2A is rated 6.3V and CL21B225KOFNNNE is rated 16V. These substitutes are only compatible with circuits operating at or below their respective voltage ratings. Using an undersized voltage rating creates risk of capacitor failure and circuit malfunction.

Q: What is the difference between Y5V and X5R temperature coefficients?

A: Y5V dielectric exhibits capacitance variation of -20% to +80% across the operating temperature range, providing lower cost but less stable capacitance. X5R dielectric exhibits ±20% capacitance variation, providing superior stability. X5R is preferred for applications requiring predictable capacitance across temperature extremes.

Q: Why is C2012X5R1H225M125AB marked "Not For New Designs"?

A: This designation indicates the manufacturer is phasing out this part number. While suitable for legacy system support and maintenance, new product designs should not incorporate this part. For new designs, CL21B225KOFNNNE (Active status) is preferred if voltage requirements permit.

Q: Are all substitute parts compatible with my PCB layout?

A: All substitute parts use identical 0805 (2012 Metric) package dimensions and surface mount footprint, ensuring PCB layout compatibility. However, 08056G225ZAT2A has reduced maximum thickness (0.037" vs. 0.057"), which may affect solder joint geometry in designs with tight vertical clearances.

Q: What compliance certifications apply to these parts?

A: All parts are REACH Unaffected and carry MSL 1 (Unlimited) moisture sensitivity rating. C2012X5R1H225M125AB, 08056G225ZAT2A, and CL21B225KOFNNNE are ROHS3 Compliant. The original C2012Y5V1H225Z is REACH Unaffected but predates RoHS3 compliance requirements.