HCPL2530SD Optoisolator Equivalent & Substitute Parts

Part Overview

The HCPL2530SD 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 procurement. The HCPL2530SD operates with DC input, transistor output configuration, and is packaged in 8-SMD gull wing format suitable for surface mount applications across industrial and power management circuits.

Key Parameters

Parameter	Value
Manufacturer Part Number	HCPL2530SD
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
Input Type	DC
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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the HCPL2530SD is determined by the following critical parameters: number of channels (2), input type (DC), output type (transistor), mounting type (surface mount), package format (8-SMD gull wing), and operating temperature range (-55°C ~ 100°C). The isolation voltage rating, current transfer ratio range, and output current capability define functional equivalence.

Substitute parts are grouped into two categories:

Direct Equivalents (Same Isolation Voltage - 2500Vrms): Parts maintaining the original 2500Vrms isolation specification with identical electrical performance characteristics.

Enhanced Isolation Alternatives (Higher Isolation Voltage - 3750Vrms or 5000Vrms): Parts with increased isolation voltage ratings that maintain all other electrical parameters within compatible ranges, suitable for applications requiring higher isolation margins.

Package Variant Alternatives (8-DIP Gull Wing): Parts with different package formats (8-DIP instead of 8-SMD) that maintain core electrical specifications but require PCB layout modifications.

Parameter Comparison

Parameter	HCPL2530SD (Main)	HCPL2530SDM	HCPL-2530-300E	HCPL-2530-320E	HCPL-2530-500E	HCPL-2530-520E
Manufacturer	onsemi	Fairchild Semiconductor	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited
Number of Channels	2	2	2	2	2	2
Voltage - Isolation	2500Vrms	2500Vrms	3750Vrms	5000Vrms	3750Vrms	5000Vrms
Current Transfer Ratio (Min)	7% @ 16mA	7% @ 16mA	7% @ 16mA	7% @ 16mA	7% @ 16mA	7% @ 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	200ns, 1.3µs	200ns, 1.3µs	200ns, 1.3µs	200ns, 1.3µs
Input Type	DC	DC	DC	DC	DC	DC
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	20V	20V	20V	20V	20V	20V
Current - Output / Channel	8mA	8mA	8mA	8mA	8mA	8mA
Voltage - Forward (Vf) (Typ)	1.45V	1.45V	1.5V	1.5V	1.5V	1.5V
Current - DC Forward (If) (Max)	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
Mounting Type	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-SMD, Gull Wing	8-SMD, Gull Wing
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

HCPL2530SDM (Fairchild Semiconductor): This part is the primary direct equivalent, maintaining 2500Vrms isolation voltage and identical electrical specifications. Product status is active, ensuring long-term availability. This is the recommended first choice for direct replacement.

HCPL-2530-300E, HCPL-2530-320E, HCPL-2530-500E, HCPL-2530-520E (Broadcom Limited): These parts offer enhanced isolation voltage ratings (3750Vrms or 5000Vrms) while maintaining all core electrical parameters. All are ROHS3 compliant with MSL 1 rating. These alternatives are suitable for applications where higher isolation margins are required or beneficial. Product status is active for all variants.

HCPL-2533-300E, HCPL-2533-500E, HCPL-253L-500E, HCPL-253L-520E (Broadcom Limited): These parts feature different package formats (8-DIP gull wing instead of 8-SMD) and modified electrical characteristics including different current transfer ratios and output voltage ratings. These are suitable only when package format change is acceptable and electrical specifications align with application requirements.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with modern manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can HCPL2530SDM be used as a direct replacement for HCPL2530SD?

A: Yes. HCPL2530SDM maintains identical isolation voltage (2500Vrms), current transfer ratio range (7% to 50% @ 16mA), output voltage (20V max), output current (8mA per channel), and operating temperature range (-55°C ~ 100°C). The package format (8-SMD gull wing) and mounting type (surface mount) are identical. Product status is active, providing long-term availability.

Q: What is the difference between HCPL-2530-300E and HCPL-2530-320E?

A: Both parts are manufactured by Broadcom Limited and maintain identical electrical specifications. The primary difference is isolation voltage rating: HCPL-2530-300E is rated for 3750Vrms, while HCPL-2530-320E is rated for 5000Vrms. Both maintain the same current transfer ratio, output voltage, and output current specifications. Selection depends on application isolation requirements.

Q: Can parts with higher isolation voltage (3750Vrms or 5000Vrms) replace the 2500Vrms HCPL2530SD?

A: Yes, from an electrical compatibility standpoint. Parts such as HCPL-2530-300E, HCPL-2530-320E, HCPL-2530-500E, and HCPL-2530-520E maintain all core electrical parameters while providing higher isolation margins. These are suitable for applications where increased isolation voltage is beneficial or required.

Q: What are the package format differences among substitute parts?

A: The HCPL2530SD uses 8-SMD gull wing package. Most direct substitutes (HCPL2530SDM, HCPL-2530-300E, HCPL-2530-320E, HCPL-2530-500E, HCPL-2530-520E) maintain this format. Alternative parts HCPL-2533-300E, HCPL-2533-500E, HCPL-253L-500E, and HCPL-253L-520E use 8-DIP gull wing format, requiring PCB layout modifications.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts from Broadcom Limited are ROHS3 compliant. HCPL2530SDM compliance status is not specified in available data. All parts maintain MSL 1 (unlimited moisture sensitivity level) rating.

Q: What is the significance of current transfer ratio specifications?

A: Current transfer ratio defines the relationship between input LED current and output transistor current. The HCPL2530SD specifies 7% minimum and 50% maximum at 16mA input. All primary substitute parts maintain this range, ensuring compatible circuit behavior and signal transfer characteristics.

Q: Can HCPL-2533 series parts replace HCPL2530SD?

A: HCPL-2533 series parts have different electrical specifications including different current transfer ratio minimums (15% @ 8mA vs. 7% @ 16mA) and lower maximum output voltage (7V vs. 20V). These parts are suitable only when application requirements align with their specific electrical characteristics and when package format change (8-DIP) is acceptable.

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