MMSZ4682-TP Equivalent & Substitute Parts Reference

Part Overview

The MMSZ4682-TP is a Zener diode from Micro Commercial Co, classified in the Diodes, Zener category. This surface mount device features a nominal Zener voltage of 2.7 V, a maximum power dissipation of 500 mW, and a ±5% voltage tolerance in an SOD-123 package. It is active, RoHS3 compliant, and REACH unaffected, suitable for a broad temperature range of -55°C to 150°C. Identifying alternative models is necessary to ensure supply chain flexibility, manage inventory, and address potential lead time or sourcing constraints without compromising device specifications, compliance, or fit.

Key Parameters

Parameter	Value
Part Number	MMSZ4682-TP
Manufacturer	Micro Commercial Co
Voltage - Zener (Nom) (Vz)	2.7 V
Tolerance	±5%
Power - Max	500 mW
Current - Reverse Leakage @ Vr	1 µA @ 1 V
Voltage - Forward (Vf) (Max) @ If	950 mV @ 10 mA
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	SOD-123
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution is strictly determined by matching critical electrical and mechanical parameters relevant to Zener diodes in this category. The following parameters form the substitution basis: voltage - Zener (nominal) (Vz), tolerance, maximum power dissipation, operating temperature range, package/case type, mounting type, RoHS compliance, and REACH unaffected status. All listed substitutes conform to these criteria as supplied in the product data.

Parameter Comparison

Parameter	MMSZ4682-TP	BZT52B2V7-E3-08	BZT52C2V7-E3-08	MMSZ4682T1G
Manufacturer	Micro Commercial Co	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	onsemi
Voltage - Zener (Nom) (Vz)	2.7 V	2.7 V	2.7 V	2.7 V
Tolerance	±5%	±2%	±5%	±5%
Power - Max	500 mW	410 mW	410 mW	500 mW
Operating Temperature	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SOD-123	SOD-123	SOD-123	SOD-123
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute Zener diodes listed are classified as active, ROHS3 compliant, and REACH unaffected. Each device is available in the SOD-123 surface mount package with an operating temperature range of -55°C to 150°C. These factors ensure compatibility in regulatory compliance and product lifecycle, aligning with the requirements for direct component substitution.

Frequently Asked Questions (FAQ)

Q: What are the most critical parameters when substituting a Zener diode in the SOD-123 package?
A: The most critical parameters are voltage - Zener (nominal) (Vz), voltage tolerance, maximum power dissipation, package/case type, mounting type, RoHS and REACH compliance, and active product status.

Q: Are all substitute diodes listed compatible with automated assembly processes?
A: Yes, all alternatives are surface mount Zener diodes in the SOD-123 package, consistent with automated SMT assembly requirements.

Q: How does the power rating affect substitute selection?
A: Substitute selection requires comparing the maximum power dissipation. Use substitute parts with a power rating that matches or exceeds the application’s requirements, as identified in the provided specification.

Q: Do all substitutes match the original diode's voltage characteristics?
A: All substitutes have a nominal Zener voltage of 2.7 V. Tolerance values are specified per part in the comparison table.

Q: Are there compliance or environmental differences among the substitutes?
A: All substitutes are RoHS3 compliant and REACH unaffected based on provided data. Compliance status aligns with standard regulatory requirements for this product category.

Q: Is the package outline identical among all listed substitutes?
A: All listed parts utilize the SOD-123 case and are intended for surface mounting, ensuring mechanical and layout compatibility.

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