HCPL2530SM Optoisolator - Equivalent & Substitute Parts

Part Overview

The HCPL2530SM is a 2500Vrms optoisolator with transistor output, designed for galvanic isolation in digital control and signal transmission applications. Manufactured by onsemi in 8-SMD surface mount packaging, this component provides 2-channel isolation with DC input and transistor output configuration. The part is currently in active production status with 1846 units in stock. Equivalent and substitute parts are identified based on matching electrical isolation ratings, channel configuration, output type, and mechanical compatibility to ensure direct functional replacement in circuit designs.

Substiute Parts

HCPL2530SM

onsemiIn Stock: 1896HCPL2530SM Datasheet

Current PartRFQ

HCPL2530S

onsemiIn Stock: 2023HCPL2530S Datasheet

Parametric EquivalentRFQ

HCPL2530SD

Fairchild SemiconductorIn Stock: 50781HCPL2530SD Datasheet

Parametric EquivalentRFQ

HCPL2530SDM

Fairchild SemiconductorIn Stock: 1342HCPL2530SDM Datasheet

Parametric EquivalentRFQ

HCPL2530SM

Fairchild SemiconductorIn Stock: 4157HCPL2530SM Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the HCPL2530SM are identified based on the following critical parameters that determine functional equivalence:

• Voltage - Isolation: 2500Vrms (mandatory match)
• Number of Channels: 2 (mandatory match)
• Output Type: Transistor (mandatory match)
• Input Type: DC (mandatory match)
• Voltage - Output (Max): 20V (mandatory match)
• Current - Output / Channel: 8mA (mandatory match)
• Current Transfer Ratio Range: 7% to 50% @ 16mA (mandatory match)
• Operating Temperature: -55°C ~ 100°C (mandatory match)
• Mounting Type: Surface Mount (mandatory match)
• Package / Case: 8-SMD, Gull Wing (mandatory match)

All identified substitute parts meet these electrical and mechanical criteria, ensuring direct functional replacement capability in circuit applications requiring 2500Vrms isolation with 2-channel transistor output configuration.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: HCPL2530SM (onsemi) remains the recommended choice as the original specification part with active production status, ROHS3 compliance certification, and MSL Level 1 rating.

Active Substitute Options: HCPL2530SD and HCPL2530SDM (Fairchild Semiconductor) are functionally equivalent alternatives with active product status. Both maintain identical electrical isolation, channel configuration, and output specifications. HCPL2530SDM matches the turn-on/turn-off timing profile (450ns, 300ns) of the primary part, while HCPL2530SD exhibits slightly extended turn-off time (500ns).

Obsolete Alternative: HCPL2530S (onsemi) is functionally equivalent but carries obsolete product status. This part exhibits extended turn-off time (500ns) compared to the primary specification. Selection of this part should be limited to applications where existing inventory must be utilized or where extended turn-off timing is acceptable.

Compliance Consideration: The onsemi variants (HCPL2530SM, HCPL2530S) carry explicit ROHS3 compliance and REACH unaffected certifications. Fairchild Semiconductor variants do not specify these compliance statuses in the provided data. Applications requiring documented regulatory compliance should prioritize onsemi-manufactured parts.

Frequently Asked Questions (FAQ)

Q: Can HCPL2530SD be used as a direct replacement for HCPL2530SM?

A: Yes. HCPL2530SD meets all mandatory electrical and mechanical parameters: 2500Vrms isolation, 2-channel configuration, transistor output, 8-SMD surface mount package, and identical current transfer ratio specifications. The only difference is extended turn-off time (500ns vs. 300ns), which does not affect functional equivalence in most applications. Verify timing requirements in your specific circuit design.

Q: What is the difference between HCPL2530SDM and HCPL2530SD?

A: Both parts are manufactured by Fairchild Semiconductor with identical electrical specifications and 8-SMD gull wing packaging. HCPL2530SDM matches the turn-on/turn-off timing of the primary onsemi part (450ns, 300ns), while HCPL2530SD exhibits 500ns turn-off time. The packaging designation difference (SDM vs. SD) reflects supplier device package variations but does not affect electrical performance or pin compatibility.

Q: Is HCPL2530S still available for new designs?

A: HCPL2530S carries obsolete product status and should not be selected for new circuit designs. Active alternatives (HCPL2530SD, HCPL2530SDM) are available with superior product lifecycle support. HCPL2530S may only be considered for legacy system maintenance where existing inventory exists.

Q: Do all substitute parts have the same isolation voltage rating?

A: Yes. All identified substitute parts maintain 2500Vrms isolation voltage, which is the critical parameter for galvanic isolation applications. This specification is non-negotiable for functional equivalence.

Q: Are there compliance differences between manufacturers?

A: onsemi-manufactured variants (HCPL2530SM, HCPL2530S) explicitly declare ROHS3 compliance and REACH unaffected status. Fairchild Semiconductor variants do not specify these certifications in the provided technical data. Applications requiring documented regulatory compliance should prioritize onsemi parts or obtain compliance documentation from Fairchild Semiconductor before selection.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. All substitute parts use identical 8-SMD gull wing surface mount packaging with matching pin configurations. PCB footprints and reflow soldering profiles are compatible across all identified parts. No PCB redesign is required for substitution.