Equivalent & Substitute Parts for C0603X331M4HACAUTO

Part Overview

The C0603X331M4HACAUTO is an active, automotive-grade ceramic capacitor manufactured by KEMET. This 330 pF capacitor operates at 16V with X8R temperature coefficient characteristics and is designed for high-temperature applications up to 150°C. The part is packaged in 0603 (1608 Metric) surface-mount form factor with soft termination and low ESL features, meeting AEC-Q200 automotive qualification standards. Substitute parts are identified to address application requirements for higher voltage ratings or improved tolerance specifications while maintaining electrical and mechanical compatibility.

Substiute Parts

C0603X331M4HACAUTO

KEMETIn Stock: 781C0603X331M4HACAUTO Datasheet

Current PartRFQ

C0603X331J1HACAUTO

KEMETIn Stock: 23753C0603X331J1HACAUTO Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the C0603X331M4HACAUTO is based on the following allowed parameters:

Fixed Parameters (Non-Negotiable):

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

Variable Parameters (Acceptable for Substitution):

• Voltage Rating: May be increased above 16V
• Tolerance: May be tightened below ±20%

The substitute part C0603X331J1HACAUTO meets all fixed parameters while providing enhanced specifications in voltage rating (100V vs. 16V) and tolerance (±5% vs. ±20%). This upgrade maintains full backward compatibility with the original design while offering improved performance margins.

Parameter Comparison

Engineering Selection Recommendations

C0603X331M4HACAUTO is the appropriate selection when:

• Circuit design specifies 16V maximum operating voltage
• Standard ±20% tolerance meets circuit requirements
• Cost optimization for 16V applications is prioritized
• Original design validation has been completed with this part number

C0603X331J1HACAUTO is the appropriate selection when:

• Circuit design requires voltage margin above 16V
• Tighter ±5% tolerance improves circuit performance or yield
• Higher voltage rating provides additional safety margin for transient conditions
• Design flexibility allows substitution of an upgraded component
• Both parts maintain identical AEC-Q200 automotive qualification and ROHS3 compliance

Both parts are active products with established supply availability. Selection between these parts depends solely on circuit voltage requirements and tolerance specifications, with no performance trade-offs in thermal characteristics, package compatibility, or automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can C0603X331J1HACAUTO replace C0603X331M4HACAUTO in existing designs?

A: Yes. The substitute part maintains identical capacitance (330 pF), temperature coefficient (X8R), operating temperature range (-55°C ~ 150°C), package dimensions (0603 / 1608 Metric), and AEC-Q200 qualification. The higher voltage rating (100V vs. 16V) and tighter tolerance (±5% vs. ±20%) are compatible with any circuit designed for the original part.

Q: What are the key differences between these two parts?

A: The primary differences are voltage rating and tolerance. C0603X331J1HACAUTO provides 100V rating compared to 16V, and ±5% tolerance compared to ±20%. All other electrical and mechanical parameters are identical.

Q: Are both parts suitable for automotive applications?

A: Yes. Both C0603X331M4HACAUTO and C0603X331J1HACAUTO carry AEC-Q200 automotive qualification and are designed for automotive-grade reliability. Both support the full -55°C ~ 150°C operating temperature range required for automotive environments.

Q: Will the substitute part fit the same PCB footprint?

A: Yes. 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 are directly compatible.

Q: What is the moisture sensitivity level for both parts?

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

Q: Are there any compliance or regulatory differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and classified under the same ECCN (EAR99) and HTSUS (8532.24.0020) codes.