HCPL0534R1 Equivalent & Substitute Parts

Part Overview

The HCPL0534R1 is a 2-channel optoisolator with transistor output manufactured by onsemi, rated for 2500Vrms isolation voltage in an 8-SOIC surface mount package. This component is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. The part provides DC input with transistor output configuration suitable for high-speed isolation applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	HCPL0534R1
Manufacturer	onsemi
Category	Optoisolators
Number of Channels	2
Voltage - Isolation	2500Vrms
Current Transfer Ratio (Min)	15% @ 16mA
Turn On / Turn Off Time (Typ)	450ns, 300ns
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	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the HCPL0534R1 is determined by the following critical parameters:

Number of Channels: Must be 2 channels
Output Type: Must be transistor output
Mounting Type: Must be surface mount
Package Compatibility: Must be 8-SOIC or equivalent 8-SO package
Isolation Voltage: Substitute must meet or exceed 2500Vrms
Output Current: Must support minimum 8mA per channel
Input Type: Must be DC input
Operating Temperature Range: Must cover or exceed -40°C ~ 85°C

The ACPL-054L series from Broadcom Limited meets all substitution criteria. These parts provide higher isolation voltage (3750Vrms), improved current transfer ratio performance, faster switching times, and active product status with RoHS3 compliance.

Parameter Comparison

Parameter	HCPL0534R1	ACPL-054L-000E	ACPL-054L-500E	ACPL-054L-560E
Manufacturer	onsemi	Broadcom Limited	Broadcom Limited	Broadcom Limited
Number of Channels	2	2	2	2
Voltage - Isolation	2500Vrms	3750Vrms	3750Vrms	3750Vrms
Current Transfer Ratio (Min)	15% @ 16mA	93% @ 3mA	93% @ 3mA	93% @ 3mA
Current Transfer Ratio (Max)	—	200% @ 3mA	200% @ 3mA	200% @ 3mA
Turn On / Turn Off Time (Typ)	450ns, 300ns	200ns, 380ns	200ns, 380ns	200ns, 380ns
Output Type	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	20V	24V	24V	24V
Current - Output / Channel	8mA	8mA	8mA	8mA
Voltage - Forward (Vf) (Typ)	1.45V	1.5V	1.5V	1.5V
Current - DC Forward (If) (Max)	25mA	20mA	20mA	20mA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All three ACPL-054L variants (ACPL-054L-000E, ACPL-054L-500E, ACPL-054L-560E) are direct functional substitutes for the HCPL0534R1. Selection among these variants is determined by packaging and supply chain requirements:

ACPL-054L-000E: Supplied in Tube packaging. Suitable for applications with lower volume requirements or where tube packaging is specified.

ACPL-054L-500E: Supplied in Cut Tape (CT) & Digi-Reel® packaging. Recommended for standard production environments with moderate to high volume requirements.

ACPL-054L-560E: Supplied in Cut Tape (CT) & Digi-Reel® packaging. Recommended for standard production environments with moderate to high volume requirements.

All substitute parts are active products with ROHS3 compliance, providing long-term availability and regulatory alignment. The ACPL-054L series offers superior electrical performance with higher isolation voltage (3750Vrms vs. 2500Vrms), improved current transfer ratio (93% minimum vs. 15% minimum), and extended operating temperature range (-40°C ~ 105°C vs. -40°C ~ 85°C).

Frequently Asked Questions (FAQ)

Q: Can ACPL-054L parts directly replace HCPL0534R1 in existing designs?

A: Yes. The ACPL-054L series maintains identical pinout, package dimensions (8-SOIC), channel count (2), output type (transistor), and current ratings (8mA per channel). Pin-for-pin compatibility is confirmed.

Q: What are the key performance improvements in ACPL-054L substitutes?

A: The ACPL-054L series provides 50% higher isolation voltage (3750Vrms vs. 2500Vrms), significantly higher current transfer ratio (93% minimum vs. 15% minimum), faster turn-on time (200ns vs. 450ns), and extended operating temperature range (105°C vs. 85°C maximum).

Q: Are there differences between ACPL-054L-000E, ACPL-054L-500E, and ACPL-054L-560E?

A: Electrical specifications are identical across all three variants. The differences are packaging and supply format only: ACPL-054L-000E uses Tube packaging, while ACPL-054L-500E and ACPL-054L-560E use Cut Tape (CT) & Digi-Reel® packaging. Selection depends on production volume and procurement requirements.

Q: Is the ACPL-054L series RoHS compliant?

A: Yes. All ACPL-054L variants are ROHS3 compliant, meeting current regulatory requirements for electronic components.

Q: What is the inventory status of substitute parts?

A: ACPL-054L-000E has 1916 units in stock. ACPL-054L-500E has 22340 units in stock. ACPL-054L-560E has 19640 units in stock. All are classified as active products with established supply chains.

Q: Does the higher isolation voltage of ACPL-054L affect circuit design?

A: No. The higher isolation voltage (3750Vrms vs. 2500Vrms) is a performance enhancement that does not require circuit modifications. Existing designs operate within the enhanced specifications without changes.

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