RB068MM-40TR Equivalent & Substitute Parts Reference

Part Overview

The RB068MM-40TR from Rohm Semiconductor is a Schottky diode in the Diodes, Rectifiers category, offered in Cut Tape (CT) & Digi-Reel® packaging. It features a maximum DC reverse voltage of 40 V, average rectified current of 2A, and is designed for surface mount applications in the PMDU (SOD-123F) package. The part is currently active and RoHS3 compliant, with a maximum junction temperature of 150°C. Identifying alternative models is essential for maintaining supply availability, addressing inventory limitations, and ensuring continuous production during supply chain fluctuations.

Key Parameters

Parameter	Value
Manufacturer Part Number	RB068MM-40TR
Manufacturer	Rohm Semiconductor
Category	Diodes, Rectifiers
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io)	2A
Voltage - Forward (Vf) (Max) @ If	725 mV @ 2 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	550 nA @ 40 V
Mounting Type	Surface Mount
Package / Case	SOD-123F
Supplier Device Package	PMDU
Operating Temperature - Junction	150°C (Max)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution is based strictly on essential electrical and mechanical parameters, including technology (Schottky), maximum DC reverse voltage (40 V), average rectified current (2A), forward voltage at a specific current (725 mV @ 2A), speed (fast recovery ≤500 ns), reverse leakage current (550 nA @ 40 V), surface mount configuration, and SOD-123F-compatible package (PMDU). All listed substitutes comply with RoHS3 and are specified as active products.

Parameter Comparison

Parameter	RB068MM-40TR	RB068M-40TR	RB068MM-40TFTR	SMD24PL-TP
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Micro Commercial Co
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Technology	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V	40 V	40 V	40 V
Current - Average Rectified (Io)	2A	2A	2A	2A
Voltage - Forward (Vf) (Max) @ If	725 mV @ 2 A	725 mV @ 2 A	725 mV @ 2 A	500 mV @ 2 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	550 nA @ 40 V	550 nA @ 40 V	550 nA @ 40 V	500 µA @ 40 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SOD-123F	SOD-123F	SOD-123F	SOD-123F
Supplier Device Package	PMDU	PMDU	PMDU	SOD-123FL
Operating Temperature - Junction	150°C (Max)	150°C (Max)	150°C (Max)	-65°C ~ 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute rectifier diodes are active, RoHS3 compliant, have unlimited MSL (1), and are unaffected by REACH. Certification status and regulatory compliance are consistent across suggested alternatives, supporting their direct interchange in regulated environments.

Frequently Asked Questions (FAQ)

Q1: What key parameters are required for substitute selection among Schottky rectifier diodes?
A1: Substitute selection is determined by technology (Schottky), maximum DC reverse voltage, average rectified current, forward voltage at the specified current, reverse leakage current, recovery speed, mounting type, package form factor, and compliance status.

Q2: Are all substitute parts surface mountable and in SOD-123F-compatible packages?
A2: All listed parts are surface mount and have the SOD-123F or SOD-123FL package, which aligns with the primary part’s form factor requirements.

Q3: Do substitute parts match the electrical performance of the primary rectifier diode?
A3: Parametric equivalents match the voltage, current, speed, and Schottky technology criteria. Any differences are limited to specified values for forward voltage, reverse leakage, or temperature range, as explicitly stated.

Q4: Which certifications and compliance standards do the substitute diodes meet?
A4: All substitute parts are RoHS3 compliant, REACH unaffected, and have a moisture sensitivity level of 1 (unlimited shelf life).

Q5: Can package variations such as SOD-123F versus SOD-123FL affect compatibility?
A5: The mechanical footprint of SOD-123F and SOD-123FL is specified in the manufacturer’s documentation. Substitute selection should align with these packaging standards based strictly on provided information.

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