HCPL-354-00AE Equivalent & Substitute Parts

Part Overview

The HCPL-354-00AE is an optoisolator with transistor output manufactured by Broadcom Limited. This component provides 3750Vrms isolation in a 4-Mini-Flat surface mount package, designed for applications requiring galvanic isolation between input and output circuits. The part is currently active in production with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, procurement lead times, or design flexibility needs.

Key Parameters

Parameter	Value
Voltage - Isolation	3750Vrms
Number of Channels	1
Output Type	Transistor
Current Transfer Ratio (Min)	50% @ 1mA
Current Transfer Ratio (Max)	150% @ 1mA
Voltage - Output (Max)	35V
Current - Output / Channel	50mA
Vce Saturation (Max)	200mV
Operating Temperature	-55°C ~ 100°C
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the HCPL-354-00AE are qualified based on the following critical parameters that determine functional equivalence:

Voltage - Isolation: 3750Vrms minimum
Number of Channels: 1
Output Type: Transistor
Input Type: AC, DC
Mounting Type: Surface Mount
RoHS3 Compliance: Required
Moisture Sensitivity Level: 1 (Unlimited)

Parts meeting these core criteria are considered functionally equivalent. Secondary parameters including Current Transfer Ratio, output voltage/current ratings, and operating temperature ranges may vary within acceptable engineering tolerances for the optoisolator category. Package variations (4-Mini-Flat, 4-SMD, 4-SOP, 4-SOIC) are permitted provided the part maintains surface mount compatibility and the same pin configuration functionality.

Parameter Comparison

Parameter	HCPL-354-00AE	HCPL-354-06AE	FODM2705R2	HMHAA280	HMHAA280R2	LTV-354T
Manufacturer	Broadcom Limited	Broadcom Limited	onsemi	onsemi	onsemi	Lite-On Inc.
Voltage - Isolation	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms
Number of Channels	1	1	1	1	1	1
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
Input Type	AC, DC	AC, DC	AC, DC	AC, DC	AC, DC	AC, DC
Current Transfer Ratio (Min)	50% @ 1mA	50% @ 1mA	50% @ 5mA	50% @ 5mA	50% @ 5mA	20% @ 1mA
Current Transfer Ratio (Max)	150% @ 1mA	150% @ 1mA	300% @ 5mA	600% @ 5mA	600% @ 5mA	400% @ 1mA
Voltage - Output (Max)	35V	35V	40V	80V	80V	35V
Current - Output / Channel	50mA	50mA	80mA	50mA	50mA	50mA
Vce Saturation (Max)	200mV	200mV	300mV	400mV	400mV	200mV
Operating Temperature	-55°C ~ 100°C	-55°C ~ 100°C	-40°C ~ 110°C	-55°C ~ 100°C	-55°C ~ 100°C	-30°C ~ 110°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SOIC (0.173", 4.40mm Width)	4-SOIC (0.173", 4.40mm Width)	4-SMD, Gull Wing
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status with full RoHS3 compliance and unlimited moisture sensitivity rating, meeting regulatory and environmental requirements equivalent to the HCPL-354-00AE.

HCPL-354-06AE is a direct parametric equivalent from Broadcom Limited with identical electrical specifications and operating temperature range. This part differs only in packaging format (Cut Tape & Digi-Reel versus standard packaging) and represents the closest functional match.

FODM2705R2 from onsemi provides enhanced output current capability (80mA versus 50mA) and higher maximum output voltage (40V versus 35V), with broader operating temperature range (-40°C to 110°C). The higher Vce saturation (300mV) and different current transfer ratio test point (5mA versus 1mA) require circuit validation.

HMHAA280 and HMHAA280R2 from onsemi offer significantly higher maximum output voltage (80V) and current transfer ratio (600% @ 5mA), with higher Vce saturation (400mV). These parts use 4-SOIC package format rather than 4-Mini-Flat, requiring PCB layout modification. Operating temperature range matches the original part.

LTV-354T from Lite-On Inc. maintains identical output voltage and saturation specifications with identical rise/fall times. The lower minimum current transfer ratio (20% @ 1mA) and broader operating temperature range (-30°C to 110°C) are notable differences. Package format is 4-SOP, requiring layout consideration.

Frequently Asked Questions (FAQ)

Q: Can HCPL-354-06AE be used as a direct replacement for HCPL-354-00AE?

A: Yes. HCPL-354-06AE is a parametric equivalent with identical isolation voltage, channel count, output type, current transfer ratio specifications, output voltage/current ratings, and operating temperature range. The difference is packaging format (Cut Tape & Digi-Reel). No circuit modifications are required.

Q: What are the key differences between HCPL-354-00AE and FODM2705R2?

A: FODM2705R2 provides higher output current (80mA versus 50mA) and higher maximum output voltage (40V versus 35V). The current transfer ratio is tested at 5mA instead of 1mA, and Vce saturation is higher (300mV versus 200mV). Operating temperature range is broader (-40°C to 110°C). Circuit validation is required before substitution.

Q: Why do HMHAA280 and HMHAA280R2 have different package formats?

A: HMHAA280 is supplied in Tube packaging, while HMHAA280R2 is supplied in Tape & Reel format. Both use 4-SOIC package case, which differs from the original 4-Mini-Flat. PCB layout modification is necessary for these substitutes.

Q: Is LTV-354T compatible with HCPL-354-00AE in all applications?

A: LTV-354T maintains the same isolation voltage, output voltage, current rating, and Vce saturation as HCPL-354-00AE. However, the minimum current transfer ratio is lower (20% @ 1mA versus 50% @ 1mA). Applications sensitive to minimum CTR performance require circuit analysis before substitution.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. All listed substitute parts are RoHS3 compliant, REACH unaffected, and have unlimited moisture sensitivity rating (MSL 1), matching the original HCPL-354-00AE specifications.

Q: What packaging considerations apply when selecting a substitute?

A: HCPL-354-06AE and LTV-354T use 4-SMD Gull Wing packages compatible with 4-Mini-Flat footprints. HMHAA280 and HMHAA280R2 use 4-SOIC packages, requiring PCB layout modification. FODM2705R2 uses 4-SMD Gull Wing format. Verify PCB footprint compatibility before design implementation.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message