RB510SM-40FHT2R Equivalent & Substitute Parts Reference

Part Overview

RB510SM-40FHT2R is a Schottky diode manufactured by Rohm Semiconductor, categorized under Diodes, Rectifiers. The device operates at 40 V DC reverse voltage, with a 100 mA average rectified current and is housed in an EMD2 (SC-79, SOD-523) surface mount package. The product is active and compliant with automotive and environmental standards (AEC-Q101, RoHS3, REACH). Selecting alternative models is often necessary to address supply constraints, ensure design compatibility, or maintain compliance with industry qualifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	RB510SM-40FHT2R
Manufacturer	Rohm Semiconductor
Category	Diodes, Rectifiers
Packaging	Cut Tape (CT) & Digi-Reel®
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io)	100mA
Voltage - Forward (Vf) (Max) @ If	480 mV @ 10 mA
Speed	Small Signal =< 200mA (Io), Any Speed
Current - Reverse Leakage @ Vr	2 µA @ 40 V
Mounting Type	Surface Mount
Package / Case	SC-79, SOD-523
Supplier Device Package	EMD2
Operating Temperature - Junction	150°C (Max)
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for RB510SM-40FHT2R are grouped based on parametric equivalence or similarity in electrical and mechanical specifications for diodes and rectifiers. The key substitution parameters used are: technology (Schottky), voltage rating (DC reverse voltage), current rating (average rectified current), forward voltage at specified current, reverse leakage current, package type (SC-79, SOD-523), mounting type (surface mount), operating temperature range, environmental compliance (RoHS3, REACH), and product status.

Parameter Comparison

Parameter	RB510SM-40FHT2R (Main Part)	RB510SM-40T2R (Parametric Equivalent)	RB751S40_R1_00001 (Similar)
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	Panjit International Inc.
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Packaging	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®
Technology	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V	40 V	30 V
Current - Average Rectified (Io)	100mA	100mA	300mA
Voltage - Forward (Vf) (Max)	480 mV @ 10 mA	480 mV @ 10 mA	370 mV @ 1 mA
Speed	Small Signal =< 200mA (Io), Any Speed	Small Signal =< 200mA (Io), Any Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	2 µA @ 40 V	2 µA @ 40 V	500 nA @ 30 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-79, SOD-523	SC-79, SOD-523	SC-79, SOD-523
Supplier Device Package	EMD2	EMD2	SOD-523
Operating Temperature - Junction	150°C (Max)	150°C (Max)	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active

Engineering Selection Recommendations

All listed substitutes, including RB510SM-40T2R and RB751S40_R1_00001, are RoHS3 compliant, REACH unaffected, and carry an MSL rating of 1 (Unlimited). Their product status is active. Each part is suitable for selection based strictly on these compliance and environmental certifications, as specified in the supplied parameters.

Frequently Asked Questions (FAQ)

Q1: What are the primary criteria for substituting diodes and rectifiers in this category?
A1: Substitute selection is determined by technology type (Schottky), DC reverse voltage rating, average rectified current, forward voltage rating at the specified test current, reverse leakage current, mounting type, package, product status, and compliance certifications.

Q2: Is package compatibility ensured among the substitutes?
A2: All listed parts utilize SC-79, SOD-523 packages, supporting direct surface mount compatibility.

Q3: Does compliance with RoHS and REACH affect substitution?
A3: Yes, all substitutes must be RoHS3 compliant and REACH unaffected as per the sourcing requirements.

Q4: Can any substitute listed here be used without additional mechanical adaptation?
A4: Yes, the mounting types and package/case specifications are identical per the supplied information.

Q5: Why is operating temperature relevant in selecting substitutes?
A5: The operating temperature - junction parameter must be compared to ensure reliable operation within the intended temperature range.

Q6: Are qualification and grade required for substitution?
A6: Automotive grade and qualifications such as AEC-Q101 are specified for the main part and parametric equivalent, meeting selection requirements as provided.

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