SMJ316B7102MFHT Equivalent & Substitute Parts

Part Overview

The SMJ316B7102MFHT is a 1000 pF ceramic capacitor rated at 630V with X7R temperature coefficient, manufactured by Taiyo Yuden in 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 This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line.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 with MSL 1 moisture sensitivity rating.

Identification of equivalent and substitute parts is necessary due to the product's discontinued status for new design implementations. Alternative parts with identical electrical and mechanical specifications remain available from the same manufacturer in active production status.

Key Parameters

Parameter	Value
Capacitance	1000 pF
Tolerance	±20%
Voltage - Rated	630V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)
Thickness (Max)	0.049" (1.25mm)
Features	Soft Termination
Ratings	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SMJ316B7102MFHT is determined by strict equivalence across the following critical parameters:

Capacitance Value: 1000 pF (exact match required)
Voltage Rating: 630V (exact match required)
Temperature Coefficient: X7R (exact match required)
Tolerance: ±20% (exact match required)
Package Type: 1206 (3216 Metric) surface mount (exact match required)
Physical Dimensions: 0.126" L x 0.063" W x 0.049" max thickness (exact match required)
Mounting Technology: Surface Mount MLCC (exact match required)
Compliance Standards: AEC-Q200 automotive qualification, RoHS3 compliance (exact match required)
Soft Termination Feature: Present (exact match required)

The substitute part MCJCS31QHB7102MTPA01 meets all these criteria while maintaining active product status within the manufacturer's current portfolio.

Parameter Comparison

Parameter	SMJ316B7102MFHT	MCJCS31QHB7102MTPA01	Match Status
Manufacturer	Taiyo Yuden	Taiyo Yuden	Identical
Capacitance	1000 pF	1000 pF	Identical
Tolerance	±20%	±20%	Identical
Voltage - Rated	630V	630V	Identical
Temperature Coefficient	X7R	X7R	Identical
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	Identical
Package / Case	1206 (3216 Metric)	1206 (3216 Metric)	Identical
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)	0.126" L x 0.063" W (3.20mm x 1.60mm)	Identical
Thickness (Max)	0.049" (1.25mm)	0.049" (1.25mm)	Identical
Mounting Type	Surface Mount, MLCC	Surface Mount, MLCC	Identical
Features	Soft Termination	Soft Termination	Identical
Ratings	AEC-Q200	AEC-Q200	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Identical
Product Status	Not For New Designs	Active	Substitute is active

Engineering Selection Recommendations

The MCJCS31QHB7102MTPA01 is the direct equivalent substitute for the SMJ316B7102MFHT. Both parts are manufactured by Taiyo Yuden and share identical electrical specifications, mechanical dimensions, and compliance certifications.

The primary distinction is product lifecycle status: the SMJ316B7102MFHT is designated Not For New Designs, while the MCJCS31QHB7102MTPA01 maintains Active status. This designation indicates the substitute part is the current production equivalent within Taiyo Yuden's product portfolio.

Both parts carry AEC-Q200 automotive qualification and RoHS3 compliance, confirming suitability for automotive and industrial applications requiring high-voltage ceramic capacitor functionality. The identical soft termination feature, MSL 1 rating, and 630V voltage specification support applications in SMPS filtering and boardflex-sensitive environments.

Selection of the MCJCS31QHB7102MTPA01 for new designs aligns with manufacturer product lifecycle recommendations while maintaining full electrical and mechanical compatibility with existing circuit designs specified for the SMJ316B7102MFHT.

Frequently Asked Questions (FAQ)

Q: Can the MCJCS31QHB7102MTPA01 be used as a direct replacement for the SMJ316B7102MFHT in existing designs?

A: Yes. Both parts are identical in capacitance (1000 pF), voltage rating (630V), temperature coefficient (X7R), tolerance (±20%), package type (1206), physical dimensions, and all compliance certifications. Direct substitution is supported without circuit modification.

Q: What is the significance of the "Not For New Designs" status on the SMJ316B7102MFHT?

A: This designation indicates the part has been superseded in the manufacturer's product line. The MCJCS31QHB7102MTPA01 is the active equivalent. For new design implementations, the active part number should be specified.

Q: Are the physical dimensions identical between these two parts?

A: Yes. Both parts are 1206 (3216 Metric) package with dimensions of 0.126" L x 0.063" W and maximum thickness of 0.049" (1.25mm). PCB footprints and assembly processes are identical.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both the SMJ316B7102MFHT and MCJCS31QHB7102MTPA01 carry AEC-Q200 automotive qualification and are RoHS3 compliant with MSL 1 moisture sensitivity rating.

Q: What applications are supported by these capacitors?

A: Both parts are suitable for automotive applications, SMPS filtering, and boardflex-sensitive environments requiring 630V rated ceramic capacitors with X7R temperature stability.

Q: Is there any difference in the soft termination feature between these parts?

A: No. Both parts include soft termination as a standard feature, providing identical mechanical and electrical characteristics in this regard.

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