Equivalent & Substitute Parts for RB420DFHT146

Part Overview

The RB420DFHT146 is a Schottky diode designed for surface mount applications, with primary specifications of 40V reverse voltage and 100mA average rectified current. The product status is "Not For New Designs," necessitating the identification and consideration of equivalent substitute parts. Substituting is required to ensure ongoing design compatibility, inventory continuity, and compliance with existing assembly processes.

Substiute Parts

RB420DFHT146

Rohm SemiconductorIn Stock: 3793RB420DFHT146 Datasheet

Current PartRFQ

RB420DT146

Rohm SemiconductorIn Stock: 17988RB420DT146 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are identified by matching all primary electrical and mechanical parameters. For Schottky diode substitutes in the Diodes, Rectifiers category, the following parameters must align with the main part: technology, maximum DC reverse voltage, average rectified current, forward voltage at specified current, switching speed category, reverse leakage current, capacitance at rated voltage and frequency, mounting type, package, device package, maximum junction temperature, and regulatory compliance. Only parts matching all of these criteria are included as valid substitutes.

Parameter Comparison

Engineering Selection Recommendations

The RB420DFHT146 is identified as "Not For New Designs." Selection of the substitute RB420DT146 is supported by fully matching electrical parameters, package compatibility, RoHS status, MSL rating, and REACH status. Both parts are AEC-Q101 qualified and comply with the same regulatory requirements.

Frequently Asked Questions (FAQ)

Q1: What parameters must match for a diode to be a valid substitute in this product category?
A1: Key parameters include technology (Schottky), maximum reverse voltage, average rectified current, forward voltage at specified current, switching speed, reverse leakage current, capacitance at specified voltage and frequency, mounting type, package, device package, maximum junction temperature, and compliance ratings.

Q2: Is the RB420DT146 compatible with existing footprints used for RB420DFHT146?
A2: Both parts share the same surface mount package types (TO-236-3, SC-59, SOT-23-3) and SMD3 supplier device package, confirming mechanical compatibility.

Q3: Are there differences in compliance or operational ratings between RB420DFHT146 and its substitute?
A3: Both parts are ROHS3 compliant, have an MSL rating of 1 (Unlimited), are REACH unaffected, and have matching ECCN and HTSUS codes.

Q4: What justifies the need to substitute RB420DFHT146?
A4: The "Not For New Designs" product status indicates that designs should transition to available and active alternatives with identical parameter sets to ensure long-term product viability.

Q5: Does the substitute RB420DT146 require any changes to assembly processes or inventory practices?
A5: The substitute shares identical mounting type, package, and device package specifications, requiring no changes to mechanical assembly or inventory classifications.