ZMY16-GS08 Equivalent & Substitute Parts Reference

Part Overview

The ZMY16-GS08 from Vishay General Semiconductor - Diodes Division is an active automotive-grade Zener diode categorized under Diodes, Zener. It features a nominal Zener voltage of 16 V, a maximum power dissipation of 1 W, ±5% voltage tolerance, and a DO-213AB (MELF, Glass) surface-mount package. This part is qualified to AEC-Q101 and operates up to 175°C. Alternative models may be necessary due to supply, logistics, or BOM standardization requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	ZMY16-GS08
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	16 V
Tolerance	±5%
Power - Max	1 W
Impedance (Max) (Zzt)	10 Ohms
Current - Reverse Leakage @ Vr	500 nA @ 12 V
Operating Temperature	175°C
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package / Case	DO-213AB, MELF (Glass)

Substitute Part Grouping Explanation

Substitute parts for ZMY16-GS08 are chosen strictly on the following key parameters: category (Diodes, Zener), nominal Zener voltage (16 V), tolerance (±5%), maximum power rating (1 W), package type (DO-213AB, MELF), automotive grade, AEC-Q101 qualification, and surface-mount capability. Only parts meeting all these criteria are considered as direct or parametric equivalents.

Parameter Comparison

Parameter	ZMY16-GS08 (Main)	ZM4745A-GS08 (Direct)	ZMY16-GS18 (Parametric Equivalent)
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Category	Diodes, Zener	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	16 V	16 V	16 V
Tolerance	±5%	±5%	±5%
Power - Max	1 W	1 W	1 W
Impedance (Max) (Zzt)	10 Ohms	16 Ohms	10 Ohms
Current - Reverse Leakage @ Vr	500 nA @ 12 V	5 µA @ 12.2 V	500 nA @ 12 V
Operating Temperature	175°C	175°C	175°C
Grade	Automotive	Automotive	Automotive
Qualification	AEC-Q101	AEC-Q101	AEC-Q101
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)

Engineering Selection Recommendations

All listed substitute Zener diodes have an active product status and meet the automotive grade and AEC-Q101 qualification requirements. The ZM4745A-GS08 is ROHS3 compliant and has an unlimited Moisture Sensitivity Level (MSL 1). Parameter matching includes Zener voltage, power rating, tolerance, package, and mounting type.

Frequently Asked Questions (FAQ)

Q1: Can ZM4745A-GS08 or ZMY16-GS18 be directly substituted for ZMY16-GS08 without changes to the PCB footprint?
A1: Both ZM4745A-GS08 and ZMY16-GS18 use the DO-213AB, MELF (Glass) package and surface-mount configuration, matching the PCB footprint requirements of ZMY16-GS08.

Q2: What are the critical parameters for selecting substitute Zener diodes in the DO-213AB, MELF package?
A2: Critical parameters are Zener voltage (16 V), tolerance (±5%), maximum power rating (1 W), package/case compatibility (DO-213AB, MELF), automotive grade, and AEC-Q101 qualification.

Q3: Are there compliance or qualification differences between the alternatives?
A3: All listed parts are automotive grade and AEC-Q101 qualified. ZM4745A-GS08 specifies ROHS3 compliance and unlimited MSL (1).

Q4: Is there a difference in reverse leakage or impedance values among substitutes?
A4: ZM4745A-GS08 has an impedance of 16 Ohms and reverse leakage of 5 µA @ 12.2 V. ZMY16-GS08 and ZMY16-GS18 specify 10 Ohms and 500 nA @ 12 V.

Q5: Are all alternatives suitable for high-temperature automotive applications?
A5: All substitutes list a maximum operating temperature of 175°C and automotive qualification.

Q6: What category should be referenced for these parts in design documentation?
A6: These parts should be referenced under Diodes, Zener in all design records and BOM entries.

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