RB706WM-40FHTL Equivalent & Substitute Parts

Part Overview

The RB706WM-40FHTL is a Schottky diode array manufactured by Rohm Semiconductor, configured as 1 pair series connection with a maximum reverse voltage rating of 40 V and average rectified current of 30 mA per diode. The device is packaged in SC-89, SOT-490 surface mount configuration and supplied in Cut Tape (CT) & Digi-Reel® packaging format.

This part carries a "Not For New Designs" product status designation. Identifying equivalent and substitute parts is necessary to support ongoing production requirements, field replacements, and design continuity for existing applications where this component is currently deployed.

Substiute Parts

RB706WM-40FHTL

Rohm SemiconductorIn Stock: 901RB706WM-40FHTL Datasheet

Current PartRFQ

RB706WM-40TL

Rohm SemiconductorIn Stock: 3514RB706WM-40TL Datasheet

Parametric EquivalentRFQ

RB715WMFHTL

Rohm SemiconductorIn Stock: 3826RB715WMFHTL Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RB706WM-40FHTL is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Diode Configuration: 1 Pair Series Connection
• Technology: Schottky
• Voltage - DC Reverse (Vr) (Max): 40 V
• Current - Average Rectified (Io) (per Diode): 30 mA
• Voltage - Forward (Vf) (Max) @ If: 370 mV @ 1 mA
• Speed Classification: Small Signal ≤ 200mA (Io), Any Speed
• Operating Temperature - Junction (Max): 125°C
• Mounting Type: Surface Mount
• Package / Case: SC-89, SOT-490
• Supplier Device Package: EMD3F
• RoHS Status: ROHS3 Compliant

Packaging Variation Allowed: Substitutes may differ in packaging format (Cut Tape vs. Tape & Reel) provided all electrical and mechanical parameters remain identical.

Identified Substitutes:

• RB706WM-40TL (Tape & Reel packaging variant)
• RB715WMFHTL (Parametric equivalent with alternative base product number)

Parameter Comparison

Engineering Selection Recommendations

RB706WM-40TL Selection Criteria:

The RB706WM-40TL is an active product variant of the RB706WM-40FHTL, differing only in packaging format (Tape & Reel vs. Cut Tape & Digi-Reel). All electrical specifications, thermal ratings, and compliance certifications are identical. This substitute is suitable for applications requiring continuous production supply or high-volume procurement. The RB706WM-40TL maintains automotive-grade qualification and AEC-Q101 compliance status. Moisture sensitivity level remains at MSL 1 (Unlimited).

RB715WMFHTL Selection Criteria:

The RB715WMFHTL is a parametric equivalent with identical electrical performance across all critical specifications: 40 V reverse voltage, 30 mA average rectified current, 370 mV forward voltage, and 125°C maximum junction temperature. This part carries active product status and is supplied in Tape & Reel packaging. Both parts maintain automotive-grade designation and AEC-Q101 qualification. The RB715WMFHTL differs in moisture sensitivity level (MSL 3, 168 hours vs. MSL 1 unlimited) and reverse leakage current measurement conditions (1 µA @ 10 V vs. 500 nA @ 30 V). Selection between RB706WM-40TL and RB715WMFHTL depends on moisture handling requirements and storage environment specifications for the end application.

Frequently Asked Questions (FAQ)

Q: Can RB706WM-40TL be used as a direct replacement for RB706WM-40FHTL?

A: Yes. The RB706WM-40TL is electrically and mechanically identical to the RB706WM-40FHTL. The only difference is packaging format: RB706WM-40TL is supplied in Tape & Reel (TR) format while RB706WM-40FHTL is supplied in Cut Tape (CT) & Digi-Reel® format. Both parts are surface mount SC-89, SOT-490 devices with identical pin configurations and performance specifications.

Q: What is the difference between RB706WM-40TL and RB715WMFHTL?

A: Both parts meet identical electrical specifications for reverse voltage (40 V), rectified current (30 mA), and forward voltage (370 mV @ 1 mA). The primary differences are: (1) Base product number designation (RB706 vs. RB715), (2) Moisture sensitivity level (RB706WM-40TL: MSL 1 unlimited vs. RB715WMFHTL: MSL 3, 168 hours), and (3) Reverse leakage current measurement conditions (RB706WM-40TL: 500 nA @ 30 V vs. RB715WMFHTL: 1 µA @ 10 V). Both maintain automotive-grade qualification and AEC-Q101 compliance.

Q: Why is RB706WM-40FHTL marked "Not For New Designs"?

A: The "Not For New Designs" status indicates this part number is in mature or end-of-life phase. For new design implementations, RB706WM-40TL or RB715WMFHTL are recommended as both carry active product status. Existing designs currently using RB706WM-40FHTL can continue production using either substitute without circuit modification.

Q: Are all three parts RoHS3 compliant?

A: Yes. RB706WM-40FHTL, RB706WM-40TL, and RB715WMFHTL are all ROHS3 compliant. All three parts are REACH unaffected and carry EAR99 ECCN classification.

Q: What is the significance of MSL rating differences between RB706WM-40TL and RB715WMFHTL?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to ambient conditions (typically 30°C, 85% relative humidity) before soldering. RB706WM-40TL with MSL 1 (Unlimited) has no time restriction. RB715WMFHTL with MSL 3 (168 hours) requires soldering within 168 hours of package opening if the component has been exposed to moisture. Selection depends on manufacturing environment and storage protocols.

Q: Can these parts be used in automotive applications?

A: Yes. All three parts carry automotive-grade designation and AEC-Q101 qualification, confirming suitability for automotive applications meeting specified reliability and quality standards.

Q: Are the package dimensions identical across all three parts?

A: Yes. All three parts use SC-89, SOT-490 package configuration with EMD3F supplier device package designation. Physical dimensions and pin layouts are identical, enabling direct PCB compatibility.