0402B331M500CT Equivalent & Substitute Parts

Part Overview

The 0402B331M500CT 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) in 0402 (1005 Metric) package format is designed for general purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part maintains Active product status and is ROHS3 compliant with MSL 1 moisture sensitivity rating. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

0402B331M500CT

Walsin Technology CorporationIn Stock: 8780402B331M500CT Datasheet

Current PartRFQ

CGA2B2X7R1H331M050BA

TDK CorporationIn Stock: 29105CGA2B2X7R1H331M050BA Datasheet

UpgradeRFQ

MAASU105SB7331MFCA01

Taiyo YudenIn Stock: 20598MAASU105SB7331MFCA01 Datasheet

UpgradeRFQ

KGM05AR71H331MH

KYOCERA AVXIn Stock: 1104KGM05AR71H331MH Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 0402B331M500CT are classified into two categories based on their application scope and certifications:

Upgrade Substitutes are qualified for automotive applications with AEC-Q200 certification. These parts meet all electrical and mechanical parameters of the main part while providing enhanced reliability qualification for demanding automotive environments.

Parametric Equivalent parts match all core electrical and mechanical specifications but are designated for general purpose applications without automotive-specific certifications.

Substitution eligibility is determined by the following mandatory parameters:

• Capacitance value: 330 pF (exact match required)
• Voltage rating: 50V (exact match required)
• Tolerance: ±20% (exact match required)
• Temperature coefficient: X7R (exact match required)
• Operating temperature range: -55°C to 125°C (exact match required)
• Package: 0402 (1005 Metric) (exact match required)
• Mounting type: Surface Mount, MLCC (exact match required)
• Moisture sensitivity: MSL 1 (exact match required)
• RoHS compliance: ROHS3 (exact match required)

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed are Active products with ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements for electronic component procurement.

For general purpose applications without automotive-specific requirements, the 0402B331M500CT (Walsin) and KGM05AR71H331MH (KYOCERA AVX) are functionally equivalent. Both parts share identical electrical and mechanical specifications with MSL 1 moisture sensitivity and general purpose application designation.

For automotive applications, the CGA2B2X7R1H331M050BA (TDK) and MAASU105SB7331MFCA01 (Taiyo Yuden) are qualified substitutes. Both parts carry AEC-Q200 certification, indicating compliance with automotive reliability and quality standards. These parts are suitable for use in automotive circuit designs where enhanced qualification is required.

All four parts are available in Tape & Reel packaging format and maintain identical physical dimensions (0402 / 1005 Metric) and electrical characteristics (330 pF, ±20%, 50V, X7R, -55°C to 125°C operating range).

Frequently Asked Questions (FAQ)

Q: Can the CGA2B2X7R1H331M050BA (TDK) be used as a direct replacement for the 0402B331M500CT (Walsin) in general purpose circuits?

A: Yes. The CGA2B2X7R1H331M050BA meets all electrical and mechanical specifications of the 0402B331M500CT. The AEC-Q200 automotive certification of the TDK part does not restrict its use in general purpose applications; it indicates additional qualification testing has been performed.

Q: What is the significance of the X7R temperature coefficient designation?

A: X7R indicates the capacitor maintains stable capacitance across the -55°C to 125°C operating temperature range with specified tolerance limits. All substitute parts share this temperature coefficient, ensuring consistent performance across the full operating range.

Q: Are there any physical compatibility issues when substituting between these parts?

A: No. All parts are packaged in the 0402 (1005 Metric) case size with identical dimensions (0.039" L x 0.020" W, 0.022" maximum thickness). They are directly compatible with the same PCB footprints and assembly processes.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean for handling?

A: MSL 1 indicates the component has unlimited shelf life under normal storage conditions and does not require special moisture control measures during handling or storage. All substitute parts carry this same MSL 1 rating.

Q: Can the KGM05AR71H331MH (KYOCERA AVX) be used in automotive applications?

A: The KGM05AR71H331MH is designated for general purpose applications and does not carry AEC-Q200 certification. For automotive applications requiring AEC-Q200 qualification, use the CGA2B2X7R1H331M050BA (TDK) or MAASU105SB7331MFCA01 (Taiyo Yuden).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH Unaffected, meeting current regulatory requirements for electronic component procurement and use.

Q: What is the difference between "Upgrade Substitutes" and "Parametric Equivalent" classifications?

A: Upgrade Substitutes (CGA2B2X7R1H331M050BA and MAASU105SB7331MFCA01) carry AEC-Q200 automotive certification and are designated for automotive applications. Parametric Equivalents (KGM05AR71H331MH) match all electrical and mechanical specifications but are designated for general purpose applications without automotive-specific certifications.