Equivalent & Substitute Parts Reference for TZMB20-GS18 Zener Diode

Part Overview

The TZMB20-GS18 by Vishay General Semiconductor - Diodes Division is a Zener diode intended for precise voltage regulation applications. It features a nominal Zener voltage of 20 V, power dissipation of 500 mW, automotive grade qualification (AEC-Q101), and is provided in a surface mount SOD-80 MiniMELF package. It is classified as an active part and compliant to ROHS3 and REACH standards, suitable for automotive and other regulated environments. Identifying alternative models is essential in case of supply constraints, production planning needs, or multi-sourcing requirements within the Diodes, Zener category.

Substiute Parts

TZMB20-GS18

Vishay General Semiconductor - Diodes DivisionIn Stock: 30011TZMB20-GS18 Datasheet

Current PartRFQ

TZMB20-GS08

Vishay General Semiconductor - Diodes DivisionIn Stock: 18407TZMB20-GS08 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts in the Diodes, Zener category are grouped strictly by matching all provided electrical and mechanical parameters. These include nominal Zener voltage (Vz), tolerance, maximum power dissipation, impedance, reverse leakage current, forward voltage, operating temperature range, automotive qualification, mounting type, package, RoHS and REACH compliance, and product status. Only components meeting these parameters are listed as substitutes.

Parameter Comparison

Engineering Selection Recommendations

Both TZMB20-GS18 and TZMB20-GS08 share identical electrical and mechanical characteristics according to provided parameters, including Zener voltage, tolerance, package, compliance, and qualification. Both are classified as active components, ROHS3 compliant, REACH unaffected, and qualified to AEC-Q101 automotive standards. Selection between these substitutes can be based on inventory availability and supply logistics, as compliance and functional characteristics match all specified criteria.

Frequently Asked Questions (FAQ)

Q1: What determines the equivalence of substitute Zener diodes in this category?
A1: Equivalence is determined by matching all provided electrical parameters (Zener voltage, power rating, tolerance, leakage, impedance, forward voltage) and mechanical parameters (package, mounting type), along with compliance standards and product status.

Q2: Are TZMB20-GS18 and TZMB20-GS08 interchangeable in existing PCB layouts?
A2: Both feature the same surface mount SOD-80 MiniMELF package and case type, ensuring direct compatibility for PCB design and assembly.

Q3: Do both parts meet automotive and environmental qualification requirements?
A3: Both parts are qualified to AEC-Q101, automotive grade, ROHS3 compliant, REACH unaffected, with identical MSL ratings.

Q4: Is there any difference in their functional performance or regulatory status?
A4: There is no difference in functional or regulatory status based on the specified parameters; both parts are active and compliant as defined.

Q5: What should be checked when selecting between these part numbers for substitution?
A5: Selection should be based on real-time inventory and required certifications, as all technical and compliance parameters are equivalent within the provided data set.