HCPL2530 Optoisolator Equivalent & Substitute Parts

Part Overview

The HCPL2530 is a 2-channel optoisolator with transistor output manufactured by onsemi, rated for 2500Vrms isolation voltage. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement continuity. The HCPL2530 operates with DC input, provides transistor output configuration, and is packaged in 8-DIP through-hole format suitable for standard PCB assembly.

Key Parameters

Parameter	Value
Manufacturer Part Number	HCPL2530
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	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the HCPL2530 is determined by the following critical parameters: 2-channel configuration, DC input type, transistor output type, 8-DIP through-hole package, and operating temperature range of -55°C to 100°C. Isolation voltage, current transfer ratio, switching speed, and maximum output voltage are secondary parameters that define functional equivalence levels.

Substitute parts are grouped into three categories:

Direct Manufacturer Equivalent (MFR Recommended): HCPL2530M from Fairchild Semiconductor matches all primary parameters including 2500Vrms isolation, identical current transfer ratio range, and equivalent switching characteristics.

Functional Equivalents with Enhanced Isolation: Parts including HCPL-2530 (Broadcom), HCPL-2530-000E (Broadcom), and HCPL-2530-020E (Broadcom) maintain the 2-channel, DC input, transistor output, and 8-DIP package configuration. These variants offer higher isolation ratings (3750Vrms to 5000Vrms) and improved switching performance (200ns turn-on time versus 450ns), making them suitable for applications requiring enhanced isolation margins.

Functional Equivalents with Modified Output Characteristics: HCPL-2533 and HCPL-2533-000E (Broadcom) and HCPL-253L-000E (Broadcom) maintain core isolation and package specifications but feature reduced maximum output voltage (7V versus 20V) and higher minimum current transfer ratio (15% to 19% @ 8mA to 16mA).

Cross-Manufacturer Alternatives: ICPL2530 (Isocom Components) and TLP2530(F) (Toshiba) provide 2-channel, DC input, transistor output configurations in 8-DIP packages with comparable isolation and switching characteristics.

Enhanced Performance Variant: HCPL-4534-000E (Broadcom) offers 3750Vrms isolation with improved switching speed (200ns) while maintaining 20V maximum output voltage and 8-DIP package compatibility.

Parameter Comparison

Part Number	Manufacturer	Isolation Voltage	CTR Min @ Current	CTR Max @ Current	Turn On / Turn Off (ns)	Output Voltage Max	Package	Temp Range	Product Status	RoHS Status
HCPL2530	onsemi	2500Vrms	7% @ 16mA	50% @ 16mA	450, 500	20V	8-DIP	-55 to 100°C	Obsolete	ROHS3
HCPL2530M	Fairchild Semiconductor	2500Vrms	7% @ 16mA	50% @ 16mA	450, 500	20V	8-DIP	-55 to 100°C	Active	Not specified
HCPL-2530	Broadcom Limited	3750Vrms	7% @ 16mA	50% @ 16mA	200, 1300	20V	8-DIP	-55 to 100°C	Active	Non-compliant
HCPL-2530-000E	Broadcom Limited	3750Vrms	7% @ 16mA	50% @ 16mA	200, 1300	20V	8-DIP	-55 to 100°C	Active	ROHS3
HCPL-2530-020E	Broadcom Limited	5000Vrms	7% @ 16mA	50% @ 16mA	200, 1300	20V	8-DIP	-55 to 100°C	Active	ROHS3
HCPL-2533	Broadcom Limited	3750Vrms	15% @ 8mA	Not specified	800, 1000	7V	8-DIP	-55 to 100°C	Active	Non-compliant
HCPL-2533-000E	Broadcom Limited	3750Vrms	15% @ 8mA	Not specified	800, 1000	7V	8-DIP	-55 to 100°C	Active	ROHS3
HCPL-253L-000E	Broadcom Limited	3750Vrms	19% @ 16mA	50% @ 16mA	200, 600	7V	8-DIP	-55 to 100°C	Active	ROHS3
HCPL-4534-000E	Broadcom Limited	3750Vrms	15% @ 16mA	50% @ 16mA	200, 600	20V	8-DIP	-55 to 100°C	Active	ROHS3
ICPL2530	Isocom Components 2004 LTD	5000Vrms	7% @ 16mA	50% @ 16mA	350, 500	20V	8-DIP	-40 to 100°C	Active	ROHS3
TLP2530(F)	Toshiba Semiconductor and Storage	2500Vrms	7% @ 16mA	Not specified	300, 500	15V	8-DIP	-55 to 100°C	Obsolete	RoHS Compliant

Engineering Selection Recommendations

For Direct Replacement with Active Product Status: HCPL2530M (Fairchild Semiconductor) is the manufacturer-recommended equivalent, providing identical electrical specifications and active product status. This part is suitable for applications requiring exact parameter matching without design modification.

For Enhanced Isolation with Active Support: HCPL-2530-000E (Broadcom Limited) offers ROHS3 compliance, active product status, and increased isolation voltage (3750Vrms) while maintaining identical current transfer ratio and 20V output voltage. This variant is appropriate for designs where higher isolation margins are beneficial.

For Maximum Isolation Rating: HCPL-2530-020E (Broadcom Limited) provides 5000Vrms isolation with ROHS3 compliance and active status. This part is suitable for high-voltage isolation applications while preserving the 20V output voltage specification.

For Applications Requiring 7V Output Voltage: HCPL-2533-000E (Broadcom Limited) offers ROHS3 compliance and active status with 3750Vrms isolation. This variant is appropriate only if circuit design accommodates the reduced 7V maximum output voltage and higher minimum current transfer ratio (15% @ 8mA).

For Improved Switching Performance: HCPL-253L-000E (Broadcom Limited) provides faster switching (200ns turn-on, 600ns turn-off) with ROHS3 compliance and active status. This part is suitable for applications requiring reduced propagation delay, provided the 7V output voltage limitation is acceptable.

For Cross-Manufacturer Sourcing: ICPL2530 (Isocom Components) offers 5000Vrms isolation, ROHS3 compliance, and active status with 20V output voltage. Operating temperature range is -40°C to 100°C, which may limit use in applications requiring -55°C operation.

For Legacy System Compatibility: TLP2530(F) (Toshiba) provides 2500Vrms isolation and RoHS compliance with identical operating temperature range. This part is classified as obsolete and should be considered only for legacy system maintenance where active alternatives are unavailable.

Frequently Asked Questions (FAQ)

Q: Can HCPL-2530-000E directly replace HCPL2530 in existing designs?

A: Yes. HCPL-2530-000E maintains identical current transfer ratio (7% to 50% @ 16mA), output voltage (20V), and operating temperature range (-55°C to 100°C). The increased isolation voltage (3750Vrms versus 2500Vrms) is a design enhancement that does not require circuit modification. ROHS3 compliance provides regulatory advantage over the original obsolete part.

Q: What is the functional difference between HCPL-2530-000E and HCPL-2533-000E?

A: Both parts share 3750Vrms isolation and 8-DIP packaging. HCPL-2530-000E provides 20V maximum output voltage with 7% to 50% current transfer ratio @ 16mA. HCPL-2533-000E provides 7V maximum output voltage with 15% minimum current transfer ratio @ 8mA. Selection depends on circuit output voltage requirements and current transfer ratio specifications.

Q: Is HCPL-2530-020E suitable for applications requiring 2500Vrms isolation?

A: Yes. HCPL-2530-020E provides 5000Vrms isolation, which exceeds the 2500Vrms requirement. The higher isolation rating does not degrade performance in applications designed for lower isolation voltages. This part is appropriate for designs where isolation margin enhancement is desired.

Q: What is the temperature range limitation of ICPL2530 compared to HCPL2530?

A: ICPL2530 operates from -40°C to 100°C, while HCPL2530 operates from -55°C to 100°C. ICPL2530 is not suitable for applications requiring operation below -40°C. Verify application temperature requirements before selection.

Q: Why is HCPL-253L-000E faster than HCPL-2530-000E?

A: HCPL-253L-000E specifies 200ns turn-on and 600ns turn-off time, compared to 200ns turn-on and 1300µs turn-off for HCPL-2530-000E. The faster switching characteristics of HCPL-253L-000E reduce propagation delay. This part is suitable for applications requiring improved timing performance, provided the 7V output voltage limitation is acceptable.

Q: Are all substitute parts available in 8-DIP through-hole package?

A: Yes. All listed substitute parts are packaged in 8-DIP (0.300", 7.62mm) through-hole format, ensuring mechanical and electrical compatibility with HCPL2530 PCB footprints.

Q: Which substitute part offers the best combination of active status and ROHS3 compliance?

A: HCPL-2530-000E, HCPL-2530-020E, HCPL-2533-000E, HCPL-253L-000E, HCPL-4534-000E, and ICPL2530 all provide active product status and ROHS3 compliance. Selection among these parts depends on specific isolation voltage, output voltage, and switching speed requirements.

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