HCPL2530SV Equivalent & Substitute Parts

Part Overview

The HCPL2530SV is a 2-channel optoisolator with transistor output manufactured by onsemi, rated for 2500Vrms isolation voltage. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across a temperature range of -55°C to 100°C and is packaged in 8-SMD gull wing configuration for surface mount applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	HCPL2530SV
Manufacturer	onsemi
Category	Optoisolators
Number of Channels	2
Voltage - Isolation	2500Vrms
Current Transfer Ratio (Min)	7% @ 16mA
Current Transfer Ratio (Max)	50% @ 16mA
Turn On / Turn Off Time (Typ)	450ns, 500ns
Output Type	Transistor
Voltage - Output (Max)	20V
Current - Output / Channel	8mA
Voltage - Forward (Vf) (Typ)	1.45V
Current - DC Forward (If) (Max)	25mA
Operating Temperature	-55°C ~ 100°C
Mounting Type	Surface Mount
Package / Case	8-SMD, Gull Wing
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the HCPL2530SV are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents maintain identical electrical specifications across all critical parameters: 2-channel configuration, 2500Vrms isolation voltage, 7-50% current transfer ratio at 16mA, 20V maximum output voltage, 8mA output current per channel, and 8-SMD gull wing packaging. These parts are direct functional replacements with no design modifications required.

Similar Parts share the same 2-channel transistor output topology and 8-SMD gull wing package but differ in isolation voltage rating (3750Vrms or 5000Vrms) and associated electrical characteristics. These parts are suitable for applications where higher isolation voltage provides additional design margin or system-level requirements permit the substitution.

The critical parameters determining substitution eligibility are: number of channels (2), output type (transistor), package type (8-SMD gull wing), operating temperature range (-55°C to 100°C), and isolation voltage compatibility.

Parameter Comparison

Parameter	HCPL2530SV	HCPL2530SM	HCPL2530SD	HCPL2530SDM	HCPL-2533-300E	HCPL-2533-500E	HCPL-253L-500E	HCPL-253L-520E
Manufacturer	onsemi	Fairchild Semiconductor	Fairchild Semiconductor	Fairchild Semiconductor	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited
Number of Channels	2	2	2	2	2	2	2	2
Voltage - Isolation	2500Vrms	2500Vrms	2500Vrms	2500Vrms	3750Vrms	3750Vrms	3750Vrms	5000Vrms
Current Transfer Ratio (Min)	7% @ 16mA	7% @ 16mA	7% @ 16mA	7% @ 16mA	15% @ 8mA	15% @ 8mA	19% @ 16mA	19% @ 16mA
Current Transfer Ratio (Max)	50% @ 16mA	50% @ 16mA	50% @ 16mA	50% @ 16mA	—	—	50% @ 16mA	50% @ 16mA
Turn On / Turn Off Time (Typ)	450ns, 500ns	450ns, 300ns	450ns, 500ns	450ns, 300ns	800ns, 1µs	800ns, 1µs	200ns, 600ns	200ns, 600ns
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	20V	20V	20V	20V	7V	7V	7V	7V
Current - Output / Channel	8mA	8mA	8mA	8mA	8mA	8mA	8mA	8mA
Voltage - Forward (Vf) (Typ)	1.45V	1.45V	1.45V	1.45V	1.5V	1.5V	1.5V	1.5V
Current - DC Forward (If) (Max)	25mA	25mA	25mA	25mA	25mA	25mA	25mA	25mA
Operating Temperature	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-SMD, Gull Wing	8-SMD, Gull Wing	8-SMD, Gull Wing	8-SMD, Gull Wing	8-DIP Gull Wing	8-DIP Gull Wing	8-DIP Gull Wing	8-DIP Gull Wing
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Parametric Equivalents (Direct Replacements):

HCPL2530SM, HCPL2530SD, and HCPL2530SDM are parametric equivalents of the HCPL2530SV. All three maintain the 2500Vrms isolation voltage, 2-channel transistor output configuration, 20V maximum output voltage, and 8-SMD gull wing package. These parts are manufactured by Fairchild Semiconductor and carry active product status, ensuring long-term availability and supply chain stability. The HCPL2530SD offers the highest inventory availability at 50,682 pieces. These parts require no circuit modifications and are suitable for direct substitution in existing designs.

Similar Parts (Higher Isolation Voltage):

HCPL-2533-300E, HCPL-2533-500E, HCPL-253L-500E, and HCPL-253L-520E are manufactured by Broadcom Limited and feature higher isolation voltage ratings (3750Vrms or 5000Vrms). These parts maintain the 2-channel transistor output and 8-SMD gull wing package but reduce maximum output voltage to 7V. The HCPL-253L series offers improved current transfer ratio specifications (19% minimum at 16mA) and faster switching times (200ns turn-on). These parts are suitable for applications requiring enhanced isolation performance or where system-level voltage margins permit the 7V output limitation. All similar parts carry active product status and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can HCPL2530SM, HCPL2530SD, or HCPL2530SDM be used as direct replacements for HCPL2530SV?

A: Yes. These three parts are parametric equivalents with identical isolation voltage (2500Vrms), channel count (2), output voltage rating (20V), and package configuration (8-SMD gull wing). No circuit modifications are required.

Q: What is the key difference between parametric equivalents and similar parts?

A: Parametric equivalents maintain all critical electrical specifications. Similar parts (HCPL-2533 and HCPL-253L series) feature higher isolation voltage ratings but reduce maximum output voltage from 20V to 7V. Circuit validation is required before substitution.

Q: Can HCPL-253L-500E or HCPL-253L-520E replace HCPL2530SV in existing designs?

A: These parts share the same 2-channel transistor output and 8-SMD gull wing package but differ in isolation voltage (3750Vrms or 5000Vrms) and maximum output voltage (7V versus 20V). Substitution requires circuit analysis to confirm the 7V output voltage limit is compatible with downstream components.

Q: What is the difference between 8-SMD and 8-DIP gull wing packages?

A: Both are surface mount configurations with identical pin counts and gull wing lead geometry. The primary difference is in the substrate material and mechanical footprint. Verify PCB layout compatibility before substitution.

Q: Are all substitute parts RoHS compliant?

A: Parametric equivalents (HCPL2530SM, HCPL2530SD, HCPL2530SDM) do not specify RoHS status in provided data. Similar parts (HCPL-2533 and HCPL-253L series) are ROHS3 compliant. Verify compliance requirements for your application.

Q: Which substitute part offers the best availability?

A: HCPL2530SD from Fairchild Semiconductor has the highest inventory at 50,682 pieces and maintains parametric equivalence to the original HCPL2530SV.

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