Equivalent & Substitute Parts for C322C334M5U5HA

Part Overview

The C322C334M5U5HA is a 0.33 µF ±20% 50V ceramic capacitor with Z5U temperature coefficient manufactured by KEMET in the GoldMax 300 Comm Z5U series. This radial through-hole component is designed for general-purpose applications requiring stable capacitance in moderate temperature environments. The part is currently active in production with 850 pieces in stock. Alternative equivalent and substitute parts are identified to support procurement flexibility, inventory management, and application-specific requirements where thermal performance or compliance specifications differ from the original specification.

Substiute Parts

C322C334M5U5HA

KEMETIn Stock: 870C322C334M5U5HA Datasheet

Current PartRFQ

C330C334M5R5TA

KEMETIn Stock: 8698C330C334M5R5TA Datasheet

SimilarRFQ

C322C334M5U5TA

KEMETIn Stock: 1817C322C334M5U5TA Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the C322C334M5U5HA is determined by the following critical parameters:

Mandatory Matching Parameters:

• Capacitance: 0.33 µF
• Tolerance: ±20%
• Voltage Rating: 50V
• Mounting Type: Through Hole
• Package Type: Radial
• Lead Spacing: 0.200" (5.08mm)

Variable Parameters Allowing Substitution:

• Temperature Coefficient (Z5U or X7R)
• Operating Temperature Range
• Physical dimensions (length, width, height)
• RoHS compliance status
• Packaging format (Bulk)

The identified substitutes maintain identical electrical specifications (capacitance, tolerance, voltage) and mechanical compatibility (lead spacing, through-hole mounting, radial configuration). Differences in temperature coefficient and thermal operating range reflect distinct dielectric material compositions that do not affect basic circuit functionality but may impact performance in temperature-sensitive applications.

Parameter Comparison

Engineering Selection Recommendations

C322C334M5U5TA (Parametric Equivalent): This part is electrically and mechanically identical to the main part C322C334M5U5HA with the primary distinction being RoHS3 compliance. Both components share identical capacitance, voltage rating, temperature coefficient (Z5U), operating temperature range, physical dimensions, and lead spacing. Selection of C322C334M5U5TA is appropriate for applications requiring RoHS3 compliance or when higher inventory availability (1782 pieces) is advantageous. The parametric equivalence ensures direct functional interchangeability in circuit designs.

C330C334M5R5TA (Similar Substitute): This part maintains identical electrical specifications (0.33 µF, ±20%, 50V) and lead spacing (0.200") but differs in temperature coefficient (X7R vs. Z5U) and physical dimensions. The X7R temperature coefficient provides extended operating temperature range (-55°C ~ 125°C) compared to Z5U (10°C ~ 85°C), with correspondingly larger physical dimensions (0.280" x 0.160" vs. 0.200" x 0.125") and greater seated height (0.360" vs. 0.260"). This substitute is suitable for applications requiring wider thermal performance or RoHS3 compliance, provided that printed circuit board layout accommodates the larger package footprint and increased height. Lead spacing compatibility ensures proper insertion into standard 0.200" pitch through-hole positions.

Frequently Asked Questions (FAQ)

Q: Can C322C334M5U5TA be used as a direct replacement for C322C334M5U5HA?

A: Yes. C322C334M5U5TA is a parametric equivalent with identical electrical and mechanical specifications. The only difference is RoHS3 compliance status. Both parts have matching capacitance (0.33 µF), tolerance (±20%), voltage rating (50V), temperature coefficient (Z5U), operating temperature range (10°C ~ 85°C), physical dimensions, and lead spacing. No circuit redesign or board layout modification is required.

Q: What is the key difference between Z5U and X7R temperature coefficients?

A: Z5U and X7R are dielectric material classifications with different thermal stability characteristics. Z5U provides capacitance stability within ±20% over the 10°C ~ 85°C operating range. X7R provides tighter capacitance stability (±15%) over a wider temperature range (-55°C ~ 125°C). Selection depends on application thermal requirements. Both maintain the specified 0.33 µF capacitance and 50V voltage rating.

Q: Can C330C334M5R5TA replace C322C334M5U5HA in a space-constrained application?

A: No. While C330C334M5R5TA maintains identical lead spacing (0.200") and electrical specifications, its physical dimensions are larger: 0.280" L x 0.160" W vs. 0.200" L x 0.125" W, with seated height of 0.360" vs. 0.260". This substitute is suitable only if the printed circuit board layout provides adequate clearance for the larger package footprint and increased height above the board surface.

Q: Are all three parts compatible with the same printed circuit board layout?

A: C322C334M5U5HA and C322C334M5U5TA are fully compatible with identical footprints and dimensions. C330C334M5R5TA requires verification of board clearance due to larger physical dimensions and greater seated height. Lead spacing (0.200") is identical across all three parts, ensuring proper insertion into standard through-hole positions.

Q: What is the significance of RoHS3 compliance for these parts?

A: RoHS3 compliance indicates conformance to Restriction of Hazardous Substances regulations. C322C334M5U5HA is RoHS non-compliant, while C322C334M5U5TA and C330C334M5R5TA are ROHS3 compliant. Selection of compliant parts is required for applications subject to RoHS regulatory requirements or customer specifications mandating compliance.

Q: How do inventory levels affect part selection?

A: Current inventory availability is C322C334M5U5HA (850 pieces), C322C334M5U5TA (1782 pieces), and C330C334M5R5TA (8658 pieces). Higher inventory availability may support procurement timelines and supply chain continuity. However, inventory levels are subject to change and should be verified at time of procurement.

Q: Are these parts suitable for high-temperature applications?

A: C322C334M5U5HA and C322C334M5U5TA are rated for 10°C ~ 85°C operating temperature. C330C334M5R5TA with X7R temperature coefficient extends to -55°C ~ 125°C. Selection of C330C334M5R5TA is required for applications requiring operation above 85°C or below 10°C, provided physical dimensions are compatible with board layout.