HCPL-4562#020 Equivalent & Substitute Parts

Part Overview

The HCPL-4562#020 is a single-channel optoisolator with transistor output and base connection, rated for 5000Vrms isolation voltage in an 8-DIP through-hole package. Manufactured by Broadcom Limited, this component is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for new designs and ongoing production support.

Key Parameters

Parameter	Value
Manufacturer Part Number	HCPL-4562#020
Manufacturer	Broadcom Limited
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	5000Vrms
Output Type	Transistor with Base
Voltage - Output (Max)	20V
Current - Output / Channel	8mA
Input Type	DC
Voltage - Forward (Vf) (Typ)	1.3V
Current - DC Forward (If) (Max)	12 mA
Operating Temperature	-40°C ~ 85°C
Mounting Type	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)
Product Status	Discontinued at DiGi Electronics
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the HCPL-4562#020 is determined by the following critical parameters:

Primary Matching Criteria:

Voltage - Isolation: 5000Vrms (or higher)
Output Type: Transistor with Base
Number of Channels: 1
Package / Case: 8-DIP through-hole configuration
Mounting Type: Through Hole
Input Type: DC

Secondary Compatibility Factors:

Voltage - Output (Max): 20V or greater
Current - Output / Channel: 8mA or greater
Operating Temperature range compatibility

Substitute parts are grouped into two categories based on isolation voltage specification:

Category A - 5000Vrms Isolation (Direct Equivalents): HCPL-4562-020E, 6N135M, 6N135M-V, 6N136M, 6N136M-V, PS8501-AX, PS8501-V-AX

Category B - Higher Isolation Voltage (5300Vrms): 6N136-X001

Category C - Lower Isolation Voltage (2500Vrms): 6N136 (not recommended for applications requiring 5000Vrms isolation)

Parameter Comparison

Part Number	Manufacturer	Voltage - Isolation	Output Type	Voltage - Output (Max)	Current - Output / Channel	Voltage - Forward (Vf) (Typ)	Current - DC Forward (If) (Max)	Operating Temperature	Package / Case	Product Status	RoHS Status
HCPL-4562#020	Broadcom Limited	5000Vrms	Transistor with Base	20V	8mA	1.3V	12 mA	-40°C ~ 85°C	8-DIP (0.300", 7.62mm)	Discontinued	RoHS non-compliant
HCPL-4562-020E	Broadcom Limited	5000Vrms	Transistor with Base	20V	8mA	1.3V	12 mA	-40°C ~ 85°C	8-DIP (0.300", 7.62mm)	Active	ROHS3 Compliant
6N135	Fairchild Semiconductor	5000Vrms	Transistor with Base	20V	8mA	1.45V	25 mA	-55°C ~ 100°C	8-DIP (0.300", 7.62mm)	Obsolete	RoHS non-compliant
6N135M	onsemi	5000Vrms	Transistor with Base	20V	8mA	1.45V	25 mA	-40°C ~ 100°C	8-DIP (0.300", 7.62mm)	Active	ROHS3 Compliant
6N135M-V	Everlight Electronics Co Ltd	5000Vrms	Transistor with Base	20V	8mA	1.45V	25 mA	-55°C ~ 100°C	8-DIP (0.400", 10.16mm)	Active	ROHS3 Compliant
6N136	onsemi	2500Vrms	Transistor with Base	20V	8mA	1.45V	25 mA	-55°C ~ 100°C	8-DIP (0.300", 7.62mm)	Obsolete	Not specified
6N136-X001	Vishay Semiconductor Opto Division	5300Vrms	Transistor with Base	15V	8mA	1.33V	25 mA	-55°C ~ 100°C	8-DIP (0.300", 7.62mm)	Active	ROHS3 Compliant
6N136M	onsemi	5000Vrms	Transistor with Base	20V	8mA	1.45V	25 mA	-40°C ~ 100°C	8-DIP (0.300", 7.62mm)	Active	ROHS3 Compliant
6N136M-V	Everlight Electronics Co Ltd	5000Vrms	Transistor with Base	20V	8mA	1.45V	25 mA	-55°C ~ 100°C	8-DIP (0.400", 10.16mm)	Active	ROHS3 Compliant
PS8501-AX	Renesas Electronics Corporation	5000Vrms	Transistor with Base	35V	8mA	1.7V	25 mA	-55°C ~ 100°C	8-DIP (0.300", 7.62mm)	Active	ROHS3 Compliant
PS8501-V-AX	Renesas Electronics Corporation	5000Vrms	Transistor with Base	35V	8mA	1.7V	25 mA	-55°C ~ 100°C	8-DIP (0.300", 7.62mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Recommended Primary Substitute: HCPL-4562-020E

HCPL-4562-020E is the direct equivalent from Broadcom Limited with identical electrical specifications and package configuration. This part maintains active product status and achieves ROHS3 compliance, addressing regulatory requirements where the original HCPL-4562#020 does not.

Recommended Secondary Substitutes (5000Vrms Isolation):

6N136M (onsemi) and 6N135M (onsemi) are active products with ROHS3 compliance and 5000Vrms isolation matching the original specification. Both support extended operating temperature ranges (-40°C to 100°C or -55°C to 100°C) and maintain 8-DIP package compatibility with standard 0.300" pitch.

PS8501-AX and PS8501-V-AX (Renesas Electronics Corporation) provide 5000Vrms isolation with higher maximum output voltage (35V) and active product status with ROHS3 compliance. These are suitable where higher output voltage capability is beneficial.

Alternative for Higher Isolation Requirement: 6N136-X001

6N136-X001 (Vishay Semiconductor Opto Division) offers 5300Vrms isolation with active status and ROHS3 compliance. Maximum output voltage is 15V, which remains compatible with 20V-rated applications. This part is appropriate for designs requiring isolation voltage margin above 5000Vrms.

Not Recommended: 6N136 (onsemi)

6N136 provides only 2500Vrms isolation, which does not meet the 5000Vrms requirement of the original HCPL-4562#020. This part is also obsolete.

Package Consideration:

6N135M-V and 6N136M-V (Everlight Electronics Co Ltd) use 8-DIP (0.400", 10.16mm) package pitch, which differs from the standard 0.300" pitch. Verify PCB footprint compatibility before selection.

Frequently Asked Questions (FAQ)

Q: Can I use 6N136 as a substitute for HCPL-4562#020?

A: No. The 6N136 provides 2500Vrms isolation, which is insufficient for applications requiring the 5000Vrms isolation rating of HCPL-4562#020. Additionally, 6N136 is obsolete. Use 6N136M or 6N135M instead.

Q: What is the difference between HCPL-4562#020 and HCPL-4562-020E?

A: HCPL-4562-020E is the active production equivalent with identical electrical and mechanical specifications. The primary difference is product status (Active vs. Discontinued) and RoHS compliance (ROHS3 Compliant vs. RoHS non-compliant). HCPL-4562-020E is the direct replacement.

Q: Are PS8501-AX and PS8501-V-AX interchangeable?

A: Both parts meet the 5000Vrms isolation and 8-DIP package requirements. PS8501-V-AX is specified as a high-speed optocoupler variant. Verify timing specifications in application datasheets before interchanging.

Q: Does package pitch affect PCB compatibility?

A: Yes. Most substitutes use standard 8-DIP (0.300", 7.62mm) pitch. However, 6N135M-V and 6N136M-V use 8-DIP (0.400", 10.16mm) pitch. Confirm PCB footprint spacing before selecting these variants.

Q: Which substitute offers the best compliance profile?

A: HCPL-4562-020E, 6N136M, 6N135M, 6N136-X001, PS8501-AX, and PS8501-V-AX all achieve ROHS3 compliance and maintain active product status. HCPL-4562-020E is preferred as the direct Broadcom equivalent.

Q: Can I use a substitute with higher maximum output voltage?

A: Yes. PS8501-AX and PS8501-V-AX provide 35V maximum output voltage compared to the original 20V specification. This higher rating is compatible with 20V-rated applications and provides additional design margin.

Q: What is the isolation voltage difference between 6N136-X001 and other substitutes?

A: 6N136-X001 provides 5300Vrms isolation, which exceeds the 5000Vrms requirement. This higher rating is suitable for applications requiring isolation voltage margin. All other recommended substitutes provide exactly 5000Vrms isolation.

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