SMK316AB7473MLHT Equivalent & Substitute Parts

Part Overview

The SMK316AB7473MLHT is a 0.047 µF ceramic capacitor rated at 630V with X7R temperature coefficient, manufactured by Taiyo Yuden in a 1206 (3216 Metric) surface mount package. This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. The part carries AEC-Q200 automotive qualification and is RoHS3 compliant. Identifying equivalent substitute parts is necessary for applications requiring continued supply, design updates, or inventory management when the original part becomes unavailable.

Substiute Parts

SMK316AB7473MLHT

Taiyo YudenIn Stock: 706SMK316AB7473MLHT Datasheet

Current PartRFQ

MCASS31LAB7473MTNA01

Taiyo YudenIn Stock: 950MCASS31LAB7473MTNA01 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMK316AB7473MLHT is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Capacitance value: 0.047 µF
• Voltage rating: 630V
• Tolerance: ±20%
• Temperature coefficient: X7R
• Operating temperature range: -55°C ~ 125°C

Mechanical Parameters:

• Package: 1206 (3216 Metric)
• Mounting type: Surface Mount, MLCC
• Physical dimensions: 0.126" L x 0.063" W x 0.071" max thickness

Compliance Parameters:

• RoHS3 compliance
• AEC-Q200 automotive qualification
• Moisture Sensitivity Level 1

The substitute part MCASS31LAB7473MTNA01 meets all these criteria and is manufactured by the same supplier (Taiyo Yuden), ensuring functional and mechanical interchangeability.

Parameter Comparison

Engineering Selection Recommendations

The MCASS31LAB7473MTNA01 is the direct equivalent substitute for the SMK316AB7473MLHT. Both parts are manufactured by Taiyo Yuden and share identical electrical, mechanical, and compliance specifications. The key distinction is product status: the original SMK316AB7473MLHT is designated Not For New Designs, while the MCASS31LAB7473MTNA01 maintains Active status in the manufacturer's current product line.

For applications currently using the SMK316AB7473MLHT, the MCASS31LAB7473MTNA01 provides direct functional replacement with no circuit modifications required. Both parts carry AEC-Q200 automotive qualification and ROHS3 compliance, ensuring suitability for automotive and industrial applications including SMPS filtering. The substitute part is available in higher inventory quantities, supporting supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the MCASS31LAB7473MTNA01 be used as a direct replacement for the SMK316AB7473MLHT?

A: Yes. Both parts are electrically and mechanically identical with matching capacitance (0.047 µF), voltage rating (630V), tolerance (±20%), temperature coefficient (X7R), operating temperature range (-55°C ~ 125°C), and package dimensions (1206/3216 Metric). No circuit modifications are required.

Q: What is the significance of the "Not For New Designs" status on the SMK316AB7473MLHT?

A: This designation indicates the part has been superseded in the manufacturer's product line. The MCASS31LAB7473MTNA01 is the active replacement, carrying the same specifications and certifications. New designs should specify the MCASS31LAB7473MTNA01.

Q: Are both parts suitable for automotive applications?

A: Yes. Both the SMK316AB7473MLHT and MCASS31LAB7473MTNA01 carry AEC-Q200 automotive qualification and are ROHS3 compliant, meeting automotive industry standards.

Q: Do the parts have identical physical dimensions?

A: Yes. Both parts are packaged in 1206 (3216 Metric) with dimensions of 0.126" L x 0.063" W and maximum thickness of 0.071" (1.80mm). They are mechanically interchangeable on PCBs designed for either part number.

Q: What is the moisture sensitivity level for these capacitors?

A: Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control measures are required during storage, handling, or assembly.

Q: Are there any differences in packaging or delivery format?

A: Both parts are supplied in Tape & Reel (TR) format. The MCASS31LAB7473MTNA01 currently has higher inventory availability (913 Pcs) compared to the SMK316AB7473MLHT (689 Pcs).