Equivalent & Substitute Parts for C0603X331M5HACAUTO

Part Overview

The C0603X331M5HACAUTO is an active, automotive-grade ceramic capacitor manufactured by KEMET. This 330 pF capacitor operates at 50V with X8R temperature coefficient characteristics and is designed for surface mount applications in 0603 (1608 Metric) package format. The part is AEC-Q200 rated and features low ESL and soft termination properties suitable for high-temperature automotive and boardflex-sensitive applications. Substitute parts are identified to address specific application requirements while maintaining electrical and mechanical compatibility within the defined parameter constraints.

Substiute Parts

C0603X331M5HACAUTO

KEMETIn Stock: 784C0603X331M5HACAUTO Datasheet

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C0603X331J1HACAUTO

KEMETIn Stock: 23753C0603X331J1HACAUTO Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the C0603X331M5HACAUTO is based on the following allowed parameters:

Fixed Parameters (Must Match Exactly):

• Capacitance: 330 pF
• Temperature Coefficient: X8R
• Package / Case: 0603 (1608 Metric)
• Mounting Type: Surface Mount, MLCC
• Operating Temperature Range: -55°C ~ 150°C
• Automotive Compliance: AEC-Q200 rated

Variable Parameters (Permitted to Change):

• Voltage Rating: May increase from 50V to higher ratings
• Tolerance: May improve from ±20% to tighter specifications

The substitute part C0603X331J1HACAUTO meets all fixed parameter requirements while offering enhanced voltage rating (100V) and improved tolerance (±5%), making it suitable for applications requiring higher voltage margins or tighter capacitance specifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (C0603X331M5HACAUTO): Select this part when the application circuit is designed for 50V operation and ±20% capacitance tolerance is acceptable. This part is active, AEC-Q200 rated, and ROHS3 compliant, meeting automotive qualification requirements.

Substitute Part Selection (C0603X331J1HACAUTO): Select this substitute when the application requires one or both of the following conditions:

• Higher voltage margin: The 100V rating provides additional safety margin in circuits where voltage stress may approach 50V
• Tighter capacitance tolerance: The ±5% tolerance is required for applications with strict capacitance specifications

Both parts are electrically and mechanically interchangeable within their respective parameter constraints. The substitute part maintains identical package dimensions, mounting characteristics, temperature range, and automotive compliance ratings. Selection between the two parts depends solely on circuit voltage requirements and capacitance tolerance specifications.

Frequently Asked Questions (FAQ)

Q: Can C0603X331J1HACAUTO be used as a direct replacement for C0603X331M5HACAUTO?

A: Yes. Both parts share identical capacitance (330 pF), temperature coefficient (X8R), package format (0603), operating temperature range (-55°C ~ 150°C), and AEC-Q200 automotive qualification. The substitute offers higher voltage rating (100V vs. 50V) and tighter tolerance (±5% vs. ±20%), making it suitable for direct substitution in applications where these enhanced specifications are acceptable or beneficial.

Q: What are the physical compatibility considerations?

A: Both parts use identical 0603 (1608 Metric) package dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm) with maximum thickness of 0.037" (0.95mm). PCB footprints and assembly processes are fully compatible. No design modifications are required for mechanical substitution.

Q: Are there any compliance or certification differences?

A: No. Both parts are AEC-Q200 rated for automotive applications, ROHS3 compliant, and carry MSL rating of 1 (Unlimited). REACH status is unaffected for both parts. Compliance profiles are identical.

Q: When should the higher voltage rating of C0603X331J1HACAUTO be considered?

A: The 100V rating of the substitute provides additional voltage margin compared to the 50V rating of the main part. In circuits operating near 50V or subject to voltage transients, the substitute offers enhanced reliability through increased voltage headroom.

Q: Does the tighter tolerance of the substitute part affect circuit performance?

A: The ±5% tolerance of C0603X331J1HACAUTO is tighter than the ±20% tolerance of C0603X331M5HACAUTO. Applications requiring precise capacitance values benefit from the substitute's improved tolerance specification. Applications tolerant of ±20% variation function identically with either part.

Q: Are both parts available in the same packaging format?

A: Yes. Both parts are supplied in Tape & Reel (TR) packaging suitable for automated assembly processes. Packaging format is identical.