VJ9155Y183KBAAM31 Equivalent & Substitute Parts

Part Overview

The VJ9155Y183KBAAM31 is a 0.018 µF ±10% 50V ceramic capacitor with X7R temperature coefficient manufactured by Vishay Vitramon. This part belongs to the VJ Automotive series and carries AEC-Q200 automotive qualification. The product is currently obsolete, making identification of functionally equivalent active alternatives essential for ongoing design support and procurement.

Substiute Parts

VJ9155Y183KBAAM31

Vishay VitramonIn Stock: 730VJ9155Y183KBAAM31 Datasheet

Current PartRFQ

GA0603Y183KBAAR31G

Vishay VitramonIn Stock: 1010GA0603Y183KBAAR31G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the VJ9155Y183KBAAM31 is determined by strict equivalence across the following electrical and mechanical parameters:

• Capacitance value: 0.018 µF (exact match required)
• Tolerance: ±10% (exact match required)
• Voltage rating: 50V (minimum acceptable)
• Temperature coefficient: X7R (exact match required)
• Operating temperature range: -55°C ~ 150°C (exact match required)
• Automotive qualification: AEC-Q200 (required for automotive applications)
• Moisture sensitivity: MSL 1 (exact match required)

The GA0603Y183KBAAR31G qualifies as a direct substitute based on matching all electrical parameters and automotive certifications. The primary difference is the package format: the substitute uses 0603 (1608 Metric) surface mount technology versus the original through-hole or legacy packaging.

Parameter Comparison

Engineering Selection Recommendations

The GA0603Y183KBAAR31G is the qualified substitute for the obsolete VJ9155Y183KBAAM31. Both components share identical electrical specifications and automotive certifications. The substitute maintains full compliance with AEC-Q200 requirements and operates across the same temperature range with equivalent moisture sensitivity characteristics.

Selection of the GA0603Y183KBAAR31G requires board-level design consideration due to its 0603 surface mount package format. This substitution is appropriate for new designs or redesigns where surface mount technology is implemented. For applications constrained to the original package format, alternative suppliers or legacy component sources must be evaluated separately.

Frequently Asked Questions (FAQ)

Q: Can the GA0603Y183KBAAR31G replace the VJ9155Y183KBAAM31 in existing designs?

A: Electrical substitution is valid. The GA0603Y183KBAAR31G provides identical capacitance, voltage rating, temperature coefficient, and automotive qualification. Physical substitution requires board redesign due to the 0603 surface mount package versus the original package format.

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

A: No. Both components are rated for 0.018 µF ±10% at 50V with X7R temperature coefficient and -55°C ~ 150°C operating range. Electrical performance is equivalent.

Q: What is the significance of the 0603 package designation?

A: The 0603 (1608 Metric) designation indicates a surface mount ceramic capacitor measuring 1.60mm x 0.80mm with 0.97mm maximum thickness. This is a standard industry package size for modern PCB designs.

Q: Does the substitute maintain automotive qualification?

A: Yes. The GA0603Y183KBAAR31G carries AEC-Q200 qualification identical to the original part, meeting automotive reliability and qualification standards.

Q: What is the difference in product status between these parts?

A: The VJ9155Y183KBAAM31 is obsolete and no longer manufactured. The GA0603Y183KBAAR31G is active and available in production quantities, ensuring long-term supply chain continuity.