0201B331M500CT Equivalent & Substitute Parts

Part Overview

The 0201B331M500CT is a 330 pF ceramic capacitor manufactured by Walsin Technology Corporation, rated for 50V operation with X7R temperature coefficient characteristics. This surface mount multilayer ceramic capacitor (MLCC) is designed for general purpose applications and is currently in active production status. The compact 0201 (0603 metric) package provides high density integration for modern electronic assemblies. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate alternative sourcing requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

0201B331M500CT

Walsin Technology CorporationIn Stock: 9650201B331M500CT Datasheet

Current PartRFQ

CGA1A2X7R1H331M030BA

TDK CorporationIn Stock: 4144CGA1A2X7R1H331M030BA Datasheet

UpgradeRFQ

C0603X7R1H331M

TDK CorporationIn Stock: 4911C0603X7R1H331M Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 0201B331M500CT are classified based on strict electrical and mechanical parameter alignment. All substitute candidates must satisfy the following criteria:

Mandatory Matching Parameters:

• Capacitance: 330 pF
• Voltage Rating: 50V
• Temperature Coefficient: X7R
• Tolerance: ±20%
• Package / Case: 0201 (0603 Metric)
• Operating Temperature Range: -55°C ~ 125°C
• Mounting Type: Surface Mount, MLCC
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Substitute Classification:

Upgrade Substitute: CGA1A2X7R1H331M030BA (TDK Corporation) meets all mandatory parameters and includes AEC-Q200 automotive qualification rating, providing enhanced reliability for demanding applications.

Parametric Equivalent: C0603X7R1H331M (TDK Corporation) meets all mandatory electrical and mechanical parameters. Product status is listed as obsolete; however, inventory availability is confirmed at 4868 pieces.

Parameter Comparison

Engineering Selection Recommendations

For Active Production Designs:

The CGA1A2X7R1H331M030BA (TDK Corporation) is the primary substitute for new designs and ongoing production. This part maintains full electrical and mechanical compatibility with the 0201B331M500CT while offering AEC-Q200 automotive qualification. The active product status ensures long-term availability and supply chain stability. Tape & Reel packaging supports high-volume manufacturing processes.

For General Purpose Applications:

The 0201B331M500CT (Walsin) and CGA1A2X7R1H331M030BA (TDK) are directly interchangeable for general purpose circuit applications. Both parts satisfy identical electrical specifications, dimensional requirements, and compliance certifications. Selection between these two parts may be based on supplier availability, lead time, or cost considerations.

For Automotive and Qualified Applications:

The CGA1A2X7R1H331M030BA includes AEC-Q200 qualification, making it suitable for automotive-grade applications where enhanced reliability standards are required. The 0201B331M500CT does not carry automotive qualification ratings.

Regarding C0603X7R1H331M:

The C0603X7R1H331M (TDK) is listed with obsolete product status. Although parametric equivalence is confirmed and inventory is available, this part should not be selected for new designs or long-term production commitments due to discontinued status.

Frequently Asked Questions (FAQ)

Q: Can CGA1A2X7R1H331M030BA be used as a direct replacement for 0201B331M500CT?

A: Yes. Both parts share identical electrical parameters (330 pF, 50V, X7R, ±20% tolerance), identical physical dimensions (0201 / 0603 metric package), and identical compliance certifications (ROHS3, MSL 1). Direct substitution is supported at the circuit level.

Q: What is the difference between the Walsin 0201B331M500CT and TDK CGA1A2X7R1H331M030BA?

A: The primary difference is manufacturer and application qualification. The TDK part includes AEC-Q200 automotive qualification, while the Walsin part is designated for general purpose applications. Electrical and mechanical specifications are identical.

Q: Why is C0603X7R1H331M listed as obsolete?

A: The C0603X7R1H331M carries an obsolete product status designation. This indicates the part is no longer in active production. Although parametric equivalence exists and current inventory is available, this part should not be selected for new designs due to discontinued status and uncertain future availability.

Q: Are there packaging differences between these substitute parts?

A: Yes. The 0201B331M500CT and CGA1A2X7R1H331M030BA are supplied in Tape & Reel (TR) packaging, suitable for automated assembly. The C0603X7R1H331M is supplied in Cut Tape (CT) & Digi-Reel® packaging. Packaging format does not affect electrical or mechanical compatibility but may impact procurement and assembly processes.

Q: Can these parts be used interchangeably in automotive applications?

A: The CGA1A2X7R1H331M030BA carries AEC-Q200 qualification and is designated for automotive applications. The 0201B331M500CT is designated for general purpose applications and does not carry automotive qualification. For automotive applications, CGA1A2X7R1H331M030BA is the appropriate selection.

Q: What does X7R temperature coefficient mean for substitution purposes?

A: X7R temperature coefficient indicates the capacitor maintains stable capacitance across the -55°C to 125°C operating range. All substitute parts listed carry identical X7R designation, ensuring equivalent temperature stability performance. This parameter is mandatory for substitution compatibility.

Q: Is moisture sensitivity level the same across all substitute parts?

A: Yes. All listed parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling or baking requirements. This parameter is identical across all substitutes and does not affect selection.