C0603JB1E331M030BA Equivalent & Substitute Parts

Part Overview

The C0603JB1E331M030BA is a 330 pF ceramic capacitor manufactured by TDK Corporation in 0201 (0603 Metric) surface mount package. This part operates at 25V rated voltage with JB temperature coefficient and is classified as obsolete. Due to its obsolete status, identifying functionally equivalent substitute parts is necessary for ongoing design support, production continuity, and component sourcing.

Substiute Parts

C0603JB1E331M030BA

TDK CorporationIn Stock: 1270C0603JB1E331M030BA Datasheet

Current PartRFQ

GRM033R71H331MA12D

Murata ElectronicsIn Stock: 858GRM033R71H331MA12D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the C0603JB1E331M030BA is determined by the following critical parameters:

• Capacitance value must match: 330 pF
• Tolerance must be compatible: ±20%
• Package and physical dimensions must be identical: 0201 (0603 Metric)
• Voltage rating must meet or exceed the original: minimum 25V
• Temperature coefficient and operating temperature range must support the application requirements
• Mounting type must remain Surface Mount, MLCC
• Moisture sensitivity classification must be acceptable: MSL 1 or equivalent

The substitute part GRM033R71H331MA12D meets all these criteria while offering improved specifications in voltage rating and operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

The GRM033R71H331MA12D from Murata Electronics is a direct functional substitute for the obsolete C0603JB1E331M030BA. Both parts share identical capacitance, tolerance, package dimensions, and physical form factor. The substitute part provides enhanced specifications with 50V voltage rating (exceeding the original 25V requirement) and extended operating temperature range (-55°C ~ 125°C versus -25°C ~ 85°C). The substitute part carries active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment. The X7R temperature coefficient of the substitute provides superior temperature stability compared to the JB coefficient of the original part.

Frequently Asked Questions (FAQ)

Q: Can GRM033R71H331MA12D be used as a direct replacement for C0603JB1E331M030BA?

A: Yes. Both parts have identical capacitance (330 pF), tolerance (±20%), package (0201/0603 Metric), and physical dimensions. The substitute meets all mechanical and electrical compatibility requirements for direct substitution.

Q: What are the differences between these two parts?

A: The primary differences are manufacturer (TDK versus Murata), product status (obsolete versus active), voltage rating (25V versus 50V), temperature coefficient (JB versus X7R), and operating temperature range (-25°C ~ 85°C versus -55°C ~ 125°C). The substitute offers superior voltage margin and temperature stability.

Q: Will the higher voltage rating of the substitute affect circuit performance?

A: No. A higher voltage rating does not negatively impact circuit performance. The 50V rating of the substitute provides additional safety margin and is fully compatible with circuits designed for 25V operation.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts are packaged in 0201 (0603 Metric) with dimensions of 0.024" L x 0.012" W (0.60mm x 0.30mm) and maximum thickness of 0.013" (0.33mm). They are mechanically interchangeable on PCBs.

Q: What is the significance of the temperature coefficient difference?

A: The X7R temperature coefficient of the substitute provides more stable capacitance across temperature variations compared to the JB coefficient of the original. This represents an improvement in performance characteristics.

Q: Is the substitute part RoHS compliant?

A: Yes. The GRM033R71H331MA12D is ROHS3 compliant, meeting current regulatory requirements for electronic components.