HCPL2531TSR2VM Equivalent & Substitute Parts

Part Overview

The HCPL2531TSR2VM is a 2-channel optoisolator with transistor output manufactured by onsemi, designed for high-voltage isolation applications requiring 5000Vrms isolation rating. This component features DC input, transistor output configuration, and is packaged in 8-SMD surface mount format. The part is currently in Last Time Buy status, making identification of equivalent and substitute components essential for design continuity and procurement planning.

Substiute Parts

HCPL2531TSR2VM

onsemiIn Stock: 768HCPL2531TSR2VM Datasheet

Current PartRFQ

HCPL2531SDM

Fairchild SemiconductorIn Stock: 1532HCPL2531SDM Datasheet

Parametric EquivalentRFQ

HCPL2531SDVM

onsemiIn Stock: 2678HCPL2531SDVM Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the HCPL2531TSR2VM are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Parameters for Substitution:

• Number of Channels: 2
• Voltage - Isolation: 5000Vrms
• Current Transfer Ratio range: 19% (Min) to 50% (Max) @ 16mA
• Turn On / Turn Off Time: 250ns, 260ns (Typ)
• Output Type: Transistor
• Voltage - Output (Max): 20V
• Current - Output / Channel: 8mA
• Package / Case: 8-SMD, Gull Wing
• Operating Temperature: -40°C ~ 100°C

All identified substitute parts maintain identical electrical performance specifications and mechanical compatibility with the main part number. Substitutes differ only in manufacturer, product status, and packaging format (Cut Tape vs. Tape & Reel vs. Bulk).

Parameter Comparison

Engineering Selection Recommendations

HCPL2531SDVM (onsemi, Tape & Reel): This substitute maintains Active product status and is manufactured by the same original manufacturer (onsemi). It provides identical electrical specifications and mechanical compatibility. ROHS3 compliance and MSL Level 1 rating are confirmed. The primary difference is packaging format (Tape & Reel vs. Cut Tape & Digi-Reel). This option is recommended for designs requiring long-term component availability and manufacturer continuity.

HCPL2531SDM (Fairchild Semiconductor, Bulk): This substitute provides identical electrical and mechanical specifications with confirmed Active product status. Packaging is supplied in Bulk format. RoHS and MSL specifications are not provided in the available data. This option is suitable for applications where packaging format flexibility is acceptable and where Fairchild Semiconductor sourcing is established.

Frequently Asked Questions (FAQ)

Q: Can HCPL2531SDM be used as a direct replacement for HCPL2531TSR2VM? A: Yes. Both parts share identical electrical specifications including 5000Vrms isolation, 2-channel configuration, 19-50% current transfer ratio, and 8-SMD package format. The primary difference is packaging format (Bulk vs. Cut Tape & Digi-Reel) and manufacturer (Fairchild Semiconductor vs. onsemi).

Q: What is the difference between HCPL2531SDVM and HCPL2531TSR2VM? A: Electrical and mechanical specifications are identical. HCPL2531SDVM is supplied in Tape & Reel format, while HCPL2531TSR2VM is supplied in Cut Tape & Digi-Reel format. Both are manufactured by onsemi and maintain ROHS3 compliance and MSL Level 1 rating.

Q: Why is HCPL2531TSR2VM marked as Last Time Buy? A: Last Time Buy status indicates the manufacturer is discontinuing this specific packaging configuration. HCPL2531SDVM and HCPL2531SDM provide equivalent functionality and are available in Active status, ensuring design continuity.

Q: Are all three parts pin-compatible? A: Yes. All three parts use the 8-SMD, Gull Wing package format with identical pin configuration and electrical characteristics.

Q: What compliance certifications apply to these parts? A: HCPL2531TSR2VM and HCPL2531SDVM are ROHS3 compliant with MSL Level 1 rating. HCPL2531SDM compliance specifications are not provided in available data.