HCPL-061A Equivalent & Substitute Parts

Part Overview

The HCPL-061A is a logic output optoisolator manufactured by Broadcom Limited, designed for high-speed digital isolation applications. This 3750Vrms isolation device operates at 10MBd data rate with open collector, Schottky clamped output configuration in an 8-SOIC package. The part is currently active in production with 2100 units in stock. Equivalent and substitute parts are identified based on matching isolation voltage, output type, data rate, and package specifications to ensure functional compatibility in circuit designs requiring galvanic isolation.

Key Parameters

Parameter	HCPL-061A
Manufacturer	Broadcom Limited
Number of Channels	1
Voltage - Isolation	3750Vrms
Common Mode Transient Immunity (Min)	1kV/µs
Input Type	DC
Output Type	Open Collector, Schottky Clamped
Current - Output / Channel	50 mA
Data Rate	10MBd
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the HCPL-061A are classified based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Voltage - Isolation: 3750Vrms (mandatory)
Output Type: Open Collector, Schottky Clamped (mandatory)
Number of Channels: 1 (mandatory)
Package / Case: 8-SOIC (0.154", 3.90mm Width) (mandatory)
Data Rate: 10MBd or 10Mbps (mandatory)
Input Type: DC (mandatory)
Current - Output / Channel: 50 mA (mandatory)
Operating Temperature: -40°C ~ 85°C (mandatory)

Secondary Considerations:

Common Mode Transient Immunity (Min): Varies across substitutes; higher values provide enhanced performance margin
Voltage - Supply: Range compatibility with 4.5V ~ 5.5V requirement
Propagation Delay and Rise/Fall Time: Performance characteristics that may differ between manufacturers
RoHS and Compliance Status: Product certification and regulatory compliance

Substitutes are grouped into direct equivalents (identical specifications) and functional equivalents (meeting all mandatory parameters with potential performance enhancements in CMTI or timing characteristics).

Parameter Comparison

Parameter	HCPL-061A	HCPL-061A-000E	FOD060L	FOD060LR2	HCPL0600	HCPL0600R2	HCPL0601R2	HCPL0611R2
Manufacturer	Broadcom Limited	Broadcom Limited	onsemi	onsemi	Fairchild Semiconductor	onsemi	Fairchild Semiconductor	Fairchild Semiconductor
Number of Channels	1	1	1	1	1	1	1	1
Voltage - Isolation	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms
CMTI (Min)	1kV/µs	1kV/µs	25kV/µs	25kV/µs	5kV/µs	5kV/µs	10kV/µs	15kV/µs
Input Type	DC	DC	DC	DC	DC	DC	DC	DC
Output Type	Open Collector, Schottky Clamped	Open Collector, Schottky Clamped	Open Collector, Schottky Clamped	Open Collector, Schottky Clamped	Open Collector	Open Collector	Open Collector	Open Collector
Current - Output / Channel	50 mA	50 mA	50 mA	50 mA	50 mA	50 mA	50 mA	50 mA
Data Rate	10MBd	10MBd	10Mbps	10Mbps	10Mbps	10Mbps	10Mbps	10Mbps
Propagation Delay tpLH (Max)	100ns	100ns	90ns	90ns	75ns	75ns	75ns	75ns
Propagation Delay tpHL (Max)	100ns	100ns	75ns	75ns	75ns	75ns	75ns	75ns
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
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)	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)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	Not specified	Not specified
Product Status	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Equivalent (Identical Specifications): HCPL-061A-000E is a direct equivalent from Broadcom Limited with identical electrical specifications. The primary difference is packaging format (Tube vs. unspecified for HCPL-061A) and RoHS3 compliance status. This part is suitable for direct substitution where RoHS compliance is required.

Functional Equivalents with Enhanced CMTI Performance: FOD060L and FOD060LR2 (onsemi) provide superior common mode transient immunity at 25kV/µs compared to the HCPL-061A baseline of 1kV/µs. Both parts meet all mandatory electrical and package requirements. FOD060LR2 is supplied in Tape & Reel format with higher inventory availability (27,400 units). These parts are suitable for applications requiring enhanced noise immunity in high-speed switching environments.

Functional Equivalents with Moderate CMTI Enhancement: HCPL0600 (Fairchild Semiconductor) and HCPL0600R2 (onsemi) offer 5kV/µs CMTI with improved propagation delay characteristics (75ns vs. 100ns). HCPL0600R2 provides ROHS3 compliance and substantial inventory (274,772 units). These parts are suitable for general-purpose substitution with performance margin.

Functional Equivalents with Higher CMTI Performance: HCPL0601R2 (Fairchild Semiconductor) provides 10kV/µs CMTI, and HCPL0611R2 (Fairchild Semiconductor) provides 15kV/µs CMTI. Both maintain identical propagation delay and output current specifications. These parts are suitable for applications requiring intermediate to high common mode transient immunity.

Selection Basis:

All substitute parts maintain 3750Vrms isolation voltage, 1-channel configuration, 50mA output current, 10Mbps/10MBd data rate, and 8-SOIC package compatibility
Substitution is valid based on product status (all Active) and compliance certifications
CMTI performance enhancement does not degrade compatibility; higher CMTI values provide additional design margin
Propagation delay improvements (75ns vs. 100ns) represent performance enhancement without functional incompatibility
RoHS3 compliance status should be evaluated against design requirements

Frequently Asked Questions (FAQ)

Q: Can HCPL0600R2 replace HCPL-061A directly? A: Yes. HCPL0600R2 meets all mandatory electrical parameters: 3750Vrms isolation, 1 channel, 50mA output current, 10Mbps data rate, DC input, open collector output, and 8-SOIC package. The 5kV/µs CMTI and 75ns propagation delay represent performance improvements over the HCPL-061A baseline specifications.

Q: What is the difference between FOD060L and FOD060LR2? A: Both parts are functionally identical with 25kV/µs CMTI and identical electrical specifications. The primary difference is packaging: FOD060L is supplied in Tube format, while FOD060LR2is supplied in Tape & Reel (TR) format. FOD060LR2 has higher inventory availability (27,400 units vs. 26,766 units).

Q: Are all substitute parts RoHS compliant? A: HCPL-061A-000E, FOD060L, FOD060LR2, and HCPL0600R2 are ROHS3 compliant. HCPL0600, HCPL0601R2, and HCPL0611R2 do not have specified RoHS status in the provided data. Verify RoHS compliance requirements with your design specifications before selection.

Q: Does higher CMTI affect circuit compatibility? A: No. Higher common mode transient immunity (CMTI) values indicate improved performance in high-speed switching environments. Parts with 5kV/µs, 10kV/µs, 15kV/µs, or 25kV/µs CMTI are all compatible with circuits designed for the HCPL-061A baseline 1kV/µs specification.

Q: Can I use FOD060LR2 in a 4.5V supply application? A: Yes. FOD060LR2 operates across 3V ~ 5.5V supply range, which encompasses the 4.5V ~ 5.5V requirement of HCPL-061A. The wider supply range provides additional design flexibility.

Q: What is the package compatibility between all listed parts? A: All parts use 8-SOIC (0.154", 3.90mm Width) surface mount package. PCB footprints and land patterns are identical across all listed parts, ensuring direct mechanical and electrical compatibility.

Q: Which substitute offers the best inventory availability? A: HCPL0600R2 (onsemi) provides the highest inventory with 274,772 units in stock, followed by FOD060LR2 (27,400 units) and FOD060L (26,766 units). HCPL-061A-000E offers 2,064 units.

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