HCPL-M454-500E Equivalent & Substitute Parts

Part Overview

The HCPL-M454-500E is an optoisolator with transistor output manufactured by Broadcom Limited. This component provides 3750Vrms isolation with a single channel configuration, designed for DC input applications requiring galvanic isolation in surface mount packages. The part is Active status and widely used in industrial control, power management, and signal isolation circuits. Equivalent and substitute parts are identified based on matching isolation voltage, output type, channel configuration, and package compatibility to ensure direct functional replacement in circuit designs.

Key Parameters

Parameter	HCPL-M454-500E
Manufacturer	Broadcom Limited
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	3750Vrms
Output Type	Transistor
Current Transfer Ratio (Min)	25% @ 16mA
Current Transfer Ratio (Max)	60% @ 16mA
Current - Output / Channel	8mA
Voltage - Output (Max)	20V
Operating Temperature	-55°C ~ 100°C
Package / Case	6-SOIC (0.173", 4.40mm Width), 5 Leads
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the HCPL-M454-500E are grouped into two functional categories based on electrical and mechanical compatibility:

Category 1: Direct Transistor Output Substitutes These parts maintain transistor output topology with 3750Vrms isolation, single channel configuration, and compatible package dimensions. Substitution is valid when the following parameters align: isolation voltage (3750Vrms), output type (transistor), number of channels (1), package type (6-SOIC or equivalent 5-lead surface mount), and operating temperature range overlap. Parts in this category include PC457L0NIP0F, PS8101-F3-AX, TLP2309(E), TLP2309(TPL,E), VOM452T, and VOM453T.

Category 2: Push-Pull Output Alternatives ACPL-M483-500E and ACPL-M484-500E feature push-pull totem pole output topology instead of transistor output. These parts share 3750Vrms isolation, single channel configuration, and compatible package dimensions but provide higher output current capability (50mA vs 8mA) and faster propagation delays. Selection of push-pull variants requires circuit design verification to confirm output stage compatibility.

Key parameters determining substitution validity: isolation voltage, number of channels, output type, package compatibility, current output rating, and operating temperature range.

Parameter Comparison

Parameter	HCPL-M454-500E	PC457L0NIP0F	PS8101-F3-AX	TLP2309(E)	TLP2309(TPL,E)	VOM452T	VOM453T	ACPL-M483-500E	ACPL-M484-500E
Manufacturer	Broadcom Limited	SHARP/Socle Technology	Renesas Electronics	Toshiba Semiconductor	Toshiba Semiconductor	Vishay Semiconductor	Vishay Semiconductor	Broadcom Limited	Broadcom Limited
Number of Channels	1	1	1	1	1	1	1	1	1
Voltage - Isolation	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms	3750Vrms
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Push-Pull, Totem Pole	Push-Pull, Totem Pole
Current Transfer Ratio (Min)	25% @ 16mA	19% @ 16mA	15% @ 16mA	15% @ 16mA	15% @ 16mA	20% @ 16mA	20% @ 16mA	N/A	N/A
Current Transfer Ratio (Max)	60% @ 16mA	50% @ 16mA	35% @ 16mA	N/A	N/A	50% @ 16mA	50% @ 16mA	N/A	N/A
Current - Output / Channel	8mA	8mA	8mA	8mA	8mA	8mA	8mA	50mA	50mA
Voltage - Output (Max)	20V	20V	35V	20V	20V	25V	25V	N/A	N/A
Turn On / Turn Off Time (Typ)	200ns, 300ns	200ns, 400ns	500ns, 600ns	1µs, 1µs (Max)	1µs, 1µs (Max)	200ns, 500ns	200ns, 500ns	N/A	N/A
Operating Temperature	-55°C ~ 100°C	-55°C ~ 85°C	-55°C ~ 100°C	-40°C ~ 110°C	-40°C ~ 110°C	-55°C ~ 100°C	-55°C ~ 100°C	-40°C ~ 105°C	-40°C ~ 105°C
Package / Case	6-SOIC (0.173", 4.40mm Width), 5 Leads	6-SOIC (0.173", 4.40mm Width), 5 Leads	6-SOIC (0.173", 4.40mm Width), 5 Leads	6-SOIC (0.179", 4.55mm Width), 5 Leads	6-SOIC (0.179", 4.55mm Width), 5 Leads	6-SOIC (0.173", 4.40mm Width), 5 Leads	6-SOIC (0.173", 4.40mm Width), 5 Leads	6-SOIC (0.173", 4.40mm Width), 5 Leads	6-SOIC (0.173", 4.40mm Width), 5 Leads
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment with the HCPL-M454-500E.

For direct replacement in existing designs, transistor output substitutes (PC457L0NIP0F, PS8101-F3-AX, TLP2309(E), TLP2309(TPL,E), VOM452T, VOM453T) provide functional equivalence with 3750Vrms isolation and single channel configuration. VOM452T and VOM453T offer current transfer ratio specifications (20-50% @ 16mA) closest to the HCPL-M454-500E (25-60% @ 16mA). PC457L0NIP0F and VOM452T maintain turn-on/turn-off timing (200ns/400ns and 200ns/500ns respectively) comparable to the original part (200ns/300ns).

ACPL-M483-500E and ACPL-M484-500E are push-pull output variants with higher output current capability (50mA vs 8mA) and faster propagation delays (120ns maximum). These parts require circuit design verification to confirm compatibility with existing output stage requirements and load characteristics.

Operating temperature range considerations: PC457L0NIP0F operates to 85°C maximum, limiting use in applications requiring full -55°C to 100°C range. TLP2309(E) and TLP2309(TPL,E) extend to 110°C, providing wider temperature margin. All other substitutes cover -55°C to 100°C or -40°C to 105°C ranges.

Frequently Asked Questions (FAQ)

Q: Can ACPL-M483-500E or ACPL-M484-500E directly replace HCPL-M454-500E? A: Direct replacement requires circuit design verification. While both share 3750Vrms isolation and single channel configuration, the push-pull totem pole output topology differs from transistor output. Output current capability increases from 8mA to 50mA, and propagation delays decrease from 200-300ns to 120ns maximum. Existing load impedance and output stage biasing must be evaluated.

Q: Which substitute offers the closest electrical match to HCPL-M454-500E? A: VOM452T and VOM453T provide the closest match with current transfer ratio of 20-50% @ 16mA (compared to 25-60% @ 16mA), turn-on/turn-off timing of 200ns/500ns (compared to 200ns/300ns), and identical 8mA output current. Both maintain -55°C to 100°C operating temperature range and ROHS3 compliance.

Q: Are there package compatibility concerns between substitutes? A: TLP2309(E) and TLP2309(TPL,E) feature 6-SOIC package with 0.179" width (4.55mm), compared to 0.173" width (4.40mm) for HCPL-M454-500E and most other substitutes. PCB layout verification is required to confirm footprint compatibility. All parts maintain 5-lead configuration and surface mount mounting type.

Q: What is the temperature range limitation for PC457L0NIP0F? A: PC457L0NIP0F operates from -55°C to 85°C maximum, compared to -55°C to 100°C for HCPL-M454-500E. This part is not suitable for applications requiring operation above 85°C.

Q: How do current transfer ratio specifications affect substitution? A: Current transfer ratio determines the optical coupling efficiency between input LED and output transistor. HCPL-M454-500E specifies 25-60% @ 16mA. Substitutes with lower minimum CTR (PS8101-F3-AX at 15%, TLP2309 variants at 15%) may require input current adjustment to achieve equivalent output performance. VOM452T and VOM453T at 20-50% provide acceptable margin.

Q: Are all substitutes REACH compliant? A: HCPL-M454-500E, PC457L0NIP0F, PS8101-F3-AX, TLP2309(E), TLP2309(TPL,E), ACPL-M483-500E, and ACPL-M484-500E are REACH Unaffected. VOM452T and VOM453T show Vendor Undefined REACH status; supplier verification is recommended for applications requiring explicit REACH compliance documentation.

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