HCPL4502WV Equivalent & Substitute Parts

Part Overview

The HCPL4502WV is an optoisolator transistor with base output manufactured by onsemi, providing 2500Vrms isolation in a single-channel 8-DIP package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The HCPL4502WV delivers DC input with transistor output including base connection, suitable for applications requiring galvanic isolation with moderate voltage ratings.

Key Parameters

Parameter	HCPL4502WV
Manufacturer	onsemi
Product Status	Obsolete
Number of Channels	1
Voltage - Isolation	2500Vrms
Current Transfer Ratio (Min)	19% @ 16mA
Current Transfer Ratio (Max)	50% @ 16mA
Turn On / Turn Off Time (Typ)	450ns, 300ns
Input Type	DC
Output Type	Transistor with Base
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 (0.400", 10.16mm)
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the HCPL4502WV are selected based on the following critical parameters that determine functional compatibility:

Output Type: Transistor with Base (required for direct functional replacement)
Number of Channels: Single channel configuration
Mounting Type: Through Hole in 8-DIP package
Input Type: DC
Voltage - Output (Max): 20V
Current - Output / Channel: 8mA
Isolation Voltage: Minimum 2500Vrms (higher ratings acceptable)

The HCPL-4562 series from Broadcom Limited meets these criteria with isolation ratings of 3750Vrms to 5000Vrms, providing enhanced isolation performance while maintaining identical output specifications and package compatibility. All substitute parts are active products with current manufacturing status and RoHS3 compliance.

Parameter Comparison

Parameter	HCPL4502WV	HCPL-4562	HCPL-4562-000E	HCPL-4562-020E	HCPL-4562-060E
Manufacturer	onsemi	Broadcom Limited	Broadcom Limited	Broadcom Limited	Broadcom Limited
Product Status	Obsolete	Active	Active	Active	Active
Number of Channels	1	1	1	1	1
Voltage - Isolation	2500Vrms	3750Vrms	3750Vrms	5000Vrms	3750Vrms
Input Type	DC	DC	DC	DC	DC
Output Type	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base
Voltage - Output (Max)	20V	20V	20V	20V	20V
Current - Output / Channel	8mA	8mA	8mA	8mA	8mA
Voltage - Forward (Vf) (Typ)	1.45V	1.3V	1.3V	1.3V	1.3V
Current - DC Forward (If) (Max)	25mA	12mA	12mA	12mA	12mA
Operating Temperature	-55°C ~ 100°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	8-DIP (0.400", 10.16mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All HCPL-4562 series variants are active products with current manufacturing support and RoHS3 compliance, providing regulatory advantages over the obsolete HCPL4502WV. The substitute parts maintain functional compatibility through identical output specifications (20V maximum, 8mA per channel) and transistor-with-base output configuration.

HCPL-4562 (standard variant) and HCPL-4562-000E (tube packaging) both provide 3750Vrms isolation, exceeding the HCPL4502WV requirement of 2500Vrms while maintaining cost efficiency.

HCPL-4562-020E offers the highest isolation rating at 5000Vrms for applications requiring maximum voltage separation.

HCPL-4562-060E provides 3750Vrms isolation in tube packaging.

Package dimensions differ slightly (0.300" vs 0.400" DIP width), requiring PCB layout verification. Operating temperature range narrows from -55°C to -40°C minimum, necessitating thermal environment confirmation for extended low-temperature applications.

Frequently Asked Questions (FAQ)

Q: Can HCPL-4562 series parts directly replace HCPL4502WV in existing designs?

A: Functional replacement is supported through identical output specifications and transistor-with-base configuration. PCB layout adjustment is required due to package width difference (0.300" vs 0.400" DIP). Operating temperature range reduction from -55°C to -40°C minimum must be verified for your application.

Q: What is the difference between HCPL-4562, HCPL-4562-000E, HCPL-4562-020E, and HCPL-4562-060E?

A: HCPL-4562 is the standard variant. HCPL-4562-000E and HCPL-4562-060E are tube-packaged versions with 3750Vrms isolation. HCPL-4562-020E provides enhanced 5000Vrms isolation. All maintain identical electrical output characteristics.

Q: Are the substitute parts RoHS compliant?

A: All HCPL-4562 series variants are RoHS3 compliant, providing regulatory compliance advantages over the obsolete HCPL4502WV.

Q: What isolation voltage should I select?

A: The HCPL4502WV requires minimum 2500Vrms isolation. All substitute parts exceed this requirement. HCPL-4562-020E at 5000Vrms provides maximum isolation margin for noise-sensitive applications.

Q: Are there packaging considerations for board assembly?

A: The HCPL-4562 series uses 8-DIP (0.300", 7.62mm) packaging versus HCPL4502WV's 8-DIP (0.400", 10.16mm). Verify PCB footprint compatibility and adjust layout spacing as required. All parts use through-hole mounting.

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