Equivalent & Substitute Parts for C0603X331M1HACAUTO

Part Overview

The C0603X331M1HACAUTO is an active, automotive-grade ceramic capacitor manufactured by KEMET. This 330 pF, 100V multilayer ceramic capacitor (MLCC) in 0603 package format is designed for high-temperature applications requiring AEC-Q200 compliance and boardflex sensitivity. The part features X8R temperature coefficient, low ESL characteristics, and soft termination technology suitable for automotive and industrial environments operating between -55°C and 150°C.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained while addressing inventory availability, tolerance requirements, or specific application constraints.

Substiute Parts

C0603X331M1HACAUTO

KEMETIn Stock: 1072C0603X331M1HACAUTO Datasheet

Current PartRFQ

C0603X331J1HACAUTO

KEMETIn Stock: 23753C0603X331J1HACAUTO Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the C0603X331M1HACAUTO is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Capacitance value: 330 pF (exact match required)
• Voltage rating: 100V (equal or higher acceptable)
• Temperature coefficient: X8R (must match for thermal stability)
• Package format: 0603 (1608 Metric) (PCB footprint compatibility)
• Mounting type: Surface Mount, MLCC (assembly compatibility)
• Operating temperature range: -55°C ~ 150°C (environmental compatibility)
• AEC-Q200 compliance: Required for automotive applications
• RoHS3 compliance: Required for regulatory adherence

Allowable Variation:

• Tolerance: ±20% to ±5% (tighter tolerance is acceptable as upgrade)
• Inventory status: No impact on substitution validity

The substitute part C0603X331J1HACAUTO meets all mandatory matching parameters and offers improved tolerance specification (±5% versus ±20%), making it a direct functional equivalent with enhanced precision characteristics.

Parameter Comparison

Engineering Selection Recommendations

C0603X331M1HACAUTO Selection Criteria:

• Applications where ±20% capacitance tolerance meets circuit specifications
• Cost-optimized designs where tighter tolerance is not required
• Inventory availability is a secondary consideration

C0603X331J1HACAUTO Selection Criteria:

• Applications requiring tighter capacitance tolerance (±5%)
• Precision analog circuits where capacitance variation directly impacts performance
• High-volume production where tolerance consistency reduces field failures
• Applications where substitute part inventory (23,687 pcs) provides supply chain advantage

Both parts maintain identical compliance with AEC-Q200 automotive qualification, ROHS3 regulatory requirements, and MSL 1 moisture sensitivity rating. Both are active products from KEMET with confirmed manufacturing status. Selection between these parts depends solely on tolerance requirements and circuit-level performance specifications.

Frequently Asked Questions (FAQ)

Q: Can C0603X331J1HACAUTO replace C0603X331M1HACAUTO in any application?

A: Yes, C0603X331J1HACAUTO is a direct functional substitute. It maintains identical capacitance (330 pF), voltage rating (100V), temperature coefficient (X8R), package format (0603), and operating temperature range (-55°C ~ 150°C). The substitute offers improved tolerance specification (±5% versus ±20%), which is beneficial for precision applications and does not create incompatibility.

Q: What is the significance of the tolerance difference between these parts?

A: The main part C0603X331M1HACAUTO allows capacitance variation of ±20% (264 pF to 396 pF). The substitute C0603X331J1HACAUTO restricts variation to ±5% (313.5 pF to 346.5 pF). Tighter tolerance reduces capacitance uncertainty in circuits sensitive to value variation, such as timing circuits, filters, or impedance-matching networks. Applications with loose tolerance requirements can use either part interchangeably.

Q: Are these parts physically interchangeable on the PCB?

A: Yes. Both parts use identical 0603 (1608 Metric) package format with matching physical dimensions: 0.063" length, 0.031" width, and 0.037" maximum thickness. PCB footprints, solder pad layouts, and pick-and-place machine programming require no modification.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both C0603X331M1HACAUTO and C0603X331J1HACAUTO carry AEC-Q200 rating, confirming automotive-grade reliability qualification. Both are ROHS3 compliant and REACH unaffected, meeting current automotive regulatory requirements.

Q: What is the difference in inventory availability?

A: C0603X331M1HACAUTO has 995 pcs in stock. C0603X331J1HACAUTO has 23,687 pcs in stock. The substitute part offers significantly higher inventory availability, which may provide supply chain advantages for high-volume production or rapid fulfillment requirements.

Q: Can I use C0603X331J1HACAUTO in place of C0603X331M1HACAUTO for cost reduction?

A: Substitution decisions are based on technical compatibility, not cost. Both parts are active KEMET products. Cost comparison requires direct pricing inquiry and is outside the scope of technical equivalence determination.

Q: Are there any thermal performance differences between these parts?

A: No. Both parts feature identical X8R temperature coefficient, identical -55°C ~ 150°C operating range, and identical low ESL and soft termination features. Thermal performance characteristics are equivalent.