SB80W06T-TL-H Equivalent & Substitute Parts

Part Overview

The SB80W06T-TL-H is a Schottky diode array manufactured by onsemi, configured as 1 pair common cathode with a maximum reverse voltage of 60 V and average rectified current of 4 A per diode. The device is packaged in TO-252-3 DPAK surface mount configuration and features fast recovery characteristics suitable for high-frequency switching applications.

This part is classified as obsolete. Identifying equivalent and substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this diode array.

Substiute Parts

SB80W06T-TL-H

onsemiIn Stock: 1225SB80W06T-TL-H Datasheet

Current PartRFQ

RB085BM-60TL

Rohm SemiconductorIn Stock: 74171RB085BM-60TL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SB80W06T-TL-H is determined by strict electrical and mechanical compatibility criteria. The following parameters must be matched or exceeded in substitute components:

Critical Matching Parameters:

• Diode configuration: 1 pair common cathode
• Technology: Schottky
• Maximum reverse voltage: 60 V (minimum requirement)
• Package type: TO-252-3 DPAK surface mount
• Fast recovery speed characteristic: ≤ 500 ns, > 200 mA

Allowable Variation Parameters:

• Average rectified current per diode: Substitute must equal or exceed 4 A
• Forward voltage: Substitute must not exceed specified maximum at rated current
• Reverse leakage current: Substitute specifications are acceptable within device class norms
• Operating temperature range: Substitute maximum junction temperature must support application requirements

The RB085BM-60TL from Rohm Semiconductor qualifies as a direct substitute based on matching all critical parameters while providing enhanced current capability (5 A vs. 4 A) and improved forward voltage characteristics.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: RB085BM-60TL (Rohm Semiconductor)

The RB085BM-60TL is the qualified substitute for the obsolete SB80W06T-TL-H. Selection is based on the following engineering criteria:

Electrical Compatibility: All critical electrical parameters match or exceed the original specification. The substitute provides 5 A average rectified current capability compared to the original 4 A, offering design margin for current-limited applications. Forward voltage performance is superior at 580 mV @ 5 A versus 600 mV @ 3 A.

Mechanical Compatibility: Identical package configuration (TO-252-3 DPAK) ensures direct PCB footprint compatibility without layout modifications.

Regulatory and Compliance: Both components maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements. Moisture sensitivity level remains at MSL 1 (unlimited), preserving handling and storage procedures.

Supply Chain Status: The RB085BM-60TL is classified as active product with substantial inventory availability (74,100 pieces), ensuring reliable long-term supply compared to the obsolete original part.

Thermal Performance: The substitute supports the same maximum junction temperature of 150°C, maintaining thermal design compatibility.

Frequently Asked Questions (FAQ)

Q: Can the RB085BM-60TL directly replace the SB80W06T-TL-H without PCB modifications?

A: Yes. Both components use identical TO-252-3 DPAK packaging with matching pinout configuration (1 pair common cathode). No PCB layout changes are required for mechanical or electrical substitution.

Q: What is the significance of the higher current rating (5 A vs. 4 A) in the substitute part?

A: The RB085BM-60TL's 5 A rating exceeds the original 4 A specification. This provides additional current handling capacity and design margin. Applications operating at or below 4 A will function identically to the original part. The substitute is fully backward compatible for current-limited designs.

Q: Are there differences in forward voltage that affect circuit performance?

A: The RB085BM-60TL exhibits lower forward voltage (580 mV @ 5 A) compared to the SB80W06T-TL-H (600 mV @ 3 A). This represents improved efficiency and reduced power dissipation. For precision analog circuits where forward voltage is a critical parameter, verify that the lower voltage does not introduce unintended circuit behavior.

Q: Does the substitute part maintain the same fast recovery characteristics?

A: Yes. Both components specify fast recovery ≤ 500 ns at currents > 200 mA (Io). Switching performance and high-frequency operation characteristics remain equivalent.

Q: What is the impact of higher reverse leakage current in the substitute?

A: The RB085BM-60TL specifies 300 µA @ 60 V reverse leakage compared to 100 µA @ 30 V for the original part. This difference is within normal Schottky diode class variation and does not affect standard rectification or switching applications. For precision low-leakage applications, evaluate circuit sensitivity to this parameter.

Q: Are moisture sensitivity and handling procedures identical?

A: Yes. Both components are classified as MSL 1 (unlimited moisture sensitivity level), requiring no special moisture control during storage or handling. Standard component handling procedures apply to both parts.

Q: Why is the original part classified as obsolete?

A: Product obsolescence reflects manufacturer discontinuation decisions. The RB085BM-60TL remains in active production, ensuring continued availability and support for new designs and production continuity.