TFZGTR18B Equivalent & Substitute Parts Reference

Part Overview

TFZGTR18B is a Zener diode manufactured by Rohm Semiconductor, designed for surface-mount applications in the Diodes, Zener category. The device features a 18 V nominal Zener voltage, 500 mW power rating, TUMD2 package, and is actively available with ROHS3 compliance. Seeking alternative models is necessary for supply chain assurance, increased inventory flexibility, and design interchangeability. Substitution can also assist in ensuring continued production during part obsolescence, allocation, or sourcing constraints.

Substiute Parts

TFZGTR18B

Rohm SemiconductorIn Stock: 1103TFZGTR18B Datasheet

Current PartRFQ

TFZVTR18B

Rohm SemiconductorIn Stock: 56262TFZVTR18B Datasheet

DirectRFQ

BZX84J-C18,115

Nexperia USA Inc.In Stock: 37801BZX84J-C18,115 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for TFZGTR18B are identified strictly based on electrical and mechanical compatibility. The key parameters compared include Zener voltage, maximum power rating, impedance, reverse leakage current, operating temperature range, mounting type, and package or device case, as presented above. Only parts matching or exceeding these parameters are classified as substitutes, ensuring direct interchange within designs for the Diodes, Zener category.

Parameter Comparison

Engineering Selection Recommendations

All parts listed are active and ROHS3 compliant, with uninterrupted availability. Substitute selection is appropriate when maintaining compliance with listed regulatory statuses and confirmed product status. There are no discrepancies in compliance, inventory, or lifecycle status based on the provided data for Diodes, Zener device category.

Frequently Asked Questions (FAQ)

Q1: What are the primary criteria for selecting a substitute for TFZGTR18B?
A1: Primary criteria include matching or exceeding the Zener voltage, maximum power rating, impedance, reverse leakage current, operating temperature, mounting type, package or case, and compliance status.

Q2: How does package type affect substitution compatibility?
A2: Package type must match mounting requirements and PCB footprint. The TFZGTR18B uses a 2-SMD, Flat Lead case; direct substitutes with the same case ensure mechanical compatibility, while similar substitutes may require layout verification.

Q3: Are there differences in reverse leakage current among substitutes?
A3: Yes. Reverse leakage current values are provided and must be considered for applications sensitive to leakage. Substitute parts have specified leakage currents under stated test conditions.

Q4: What regulatory compliance statuses are present among substitutes?
A4: All substitutes are listed as ROHS3 compliant and REACH unaffected.

Q5: How is the power rating relevant to substitution?
A5: Substitute devices must have equal or higher maximum power rating than TFZGTR18B (500 mW). Both substitutes meet or exceed this criterion.

Q6: Why is operating temperature important for equivalency?
A6: Consistent or broader operating temperature ranges ensure the substitute part functions within all specified application conditions. Provided substitutes align within or exceed the specified temperature ratings.