MBASQ45MSB7104KTNA01 Equivalent & Substitute Parts

Part Overview

The MBASQ45MSB7104KTNA01 is a 0.1 µF ceramic capacitor rated for 250V with X7R temperature coefficient, manufactured by Taiyo Yuden in 1812 (4532 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) is designed for general purpose applications and is currently in active product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts become necessary when the primary part experiences supply constraints, inventory depletion, or when design requirements shift toward components with enhanced certifications such as automotive-grade qualifications. The QMK432B7104KMHT represents an equivalent alternative with identical electrical specifications but carries AEC-Q200 automotive qualification and is designated as not for new designs, indicating it serves as a legacy or specialized application substitute.

Substiute Parts

MBASQ45MSB7104KTNA01

Taiyo YudenIn Stock: 914MBASQ45MSB7104KTNA01 Datasheet

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QMK432B7104KMHT

Taiyo YudenIn Stock: 1323QMK432B7104KMHT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MBASQ45MSB7104KTNA01 is determined by strict equivalence across the following parameters:

Mandatory Matching Parameters:

• Capacitance: 0.1 µF (exact match required)
• Voltage Rating: 250V (exact match required)
• Tolerance: ±10% (exact match required)
• Temperature Coefficient: X7R (exact match required)
• Package / Case: 1812 (4532 Metric) (exact match required)
• Operating Temperature Range: -55°C ~ 125°C (exact match required)
• Mounting Type: Surface Mount, MLCC (exact match required)

Compliance Parameters:

• RoHS3 Compliance (required for regulatory adherence)
• Moisture Sensitivity Level 1 (no additional handling requirements)

The QMK432B7104KMHT meets all mandatory matching parameters and compliance requirements. The primary distinction is the addition of AEC-Q200 automotive qualification and the product status designation of "Not For New Designs," which indicates this part is suitable for replacement in existing designs or specialized automotive applications but should not be selected for new product development.

Parameter Comparison

Engineering Selection Recommendations

For Active Product Development: The MBASQ45MSB7104KTNA01 is the recommended selection for new designs. This part maintains active product status from Taiyo Yuden, ensuring long-term availability and supply chain stability. It provides full RoHS3 compliance and meets all general purpose application requirements with unlimited moisture sensitivity rating.

For Automotive or Specialized Applications: The QMK432B7104KMHT serves as a qualified substitute when AEC-Q200 automotive certification is required. This part carries identical electrical and mechanical specifications but is designated as "Not For New Designs," indicating it is maintained for legacy system support and specialized automotive applications where the automotive qualification is a mandatory requirement.

Selection Criteria:

• Choose MBASQ45MSB7104KTNA01 for standard applications and new product development
• Choose QMK432B7104KMHT only when AEC-Q200 automotive qualification is explicitly required or when replacing existing components in automotive systems
• Both parts are electrically and mechanically interchangeable within their respective application scopes
• Both parts comply with RoHS3 and carry identical regulatory classifications (EAR99, HTSUS 8532.24.0020)

Frequently Asked Questions (FAQ)

Q: Can QMK432B7104KMHT be used as a direct replacement for MBASQ45MSB7104KTNA01 in existing designs?

A: Yes. The QMK432B7104KMHT is electrically and mechanically equivalent. All critical parameters including capacitance, voltage rating, tolerance, temperature coefficient, package dimensions, and operating temperature range are identical. The substitute can be used in existing designs without circuit modification.

Q: What is the significance of the "Not For New Designs" status on the QMK432B7104KMHT?

A: This designation indicates that Taiyo Yuden is not recommending this part for new product development. It remains available for replacement in existing systems and specialized applications. For new designs, the MBASQ45MSB7104KTNA01 (active status) is the appropriate selection.

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

A: No. Both parts use identical 1812 (4532 Metric) surface mount packages with matching dimensions (0.177" L x 0.126" W, 4.50mm x 3.20mm) and thickness (0.106" / 2.70mm). PCB footprints and assembly processes are fully compatible.

Q: Does the AEC-Q200 certification on QMK432B7104KMHT provide any advantage for non-automotive applications?

A: AEC-Q200 certification indicates automotive-grade reliability testing and qualification. For general purpose applications, this certification is not required. The MBASQ45MSB7104KTNA01 provides sufficient qualification for standard industrial and consumer applications.

Q: Are there any differences in moisture handling or storage requirements?

A: No. Both parts carry Moisture Sensitivity Level 1 (Unlimited), meaning neither part requires special moisture control during storage or handling. Standard component storage conditions apply to both.

Q: Can these parts be used interchangeably in SMPS filtering applications?

A: The QMK432B7104KMHT is specifically rated for SMPS filtering applications. The MBASQ45MSB7104KTNA01 is rated for general purpose applications. While both parts have identical electrical specifications, the QMK432B7104KMHT carries explicit SMPS filtering qualification. For SMPS applications, the QMK432B7104KMHT is the preferred selection.

Q: What is the difference between the MBAS and QMK series designations?

A: MBAS and QMK represent different product series within Taiyo Yuden's ceramic capacitor portfolio. The MBASQ45MSB7104KTNA01 belongs to the MBAS series (active), while QMK432B7104KMHT belongs to the QMK series (not for new designs). Despite series differences, both parts meet identical electrical and mechanical specifications for this capacitance and voltage rating.