6N136W Optoisolator Equivalent & Substitute Parts

Part Overview

The 6N136W is an optoisolator transistor with base output manufactured by onsemi, rated for 2500Vrms isolation voltage in a single-channel 8-DIP package. This component is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. The 6N136W provides DC input with transistor output featuring base access, suitable for applications requiring galvanic isolation in through-hole mounting configurations.

Substiute Parts

6N136W

onsemiIn Stock: 121386N136W Datasheet

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HCPL-4562

Broadcom LimitedIn Stock: 2394HCPL-4562 Datasheet

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HCPL-4562-000E

Broadcom LimitedIn Stock: 1751HCPL-4562-000E Datasheet

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HCPL-4562-020E

Broadcom LimitedIn Stock: 1129HCPL-4562-020E Datasheet

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HCPL-4562-060E

Broadcom LimitedIn Stock: 976HCPL-4562-060E Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 6N136W is determined by the following critical parameters:

• Isolation Voltage: Substitute parts must maintain or exceed 2500Vrms isolation rating
• Output Configuration: Transistor with base output required for pin-compatible replacement
• Number of Channels: Single-channel configuration mandatory
• Input Type: DC input required
• Mounting Type: Through-hole mounting required
• Package Compatibility: 8-DIP package form factor
• Output Voltage & Current: Maximum output voltage 20V and 8mA per channel

The Broadcom Limited HCPL-4562 series meets these criteria with higher isolation voltage ratings (3750Vrms to 5000Vrms), ensuring functional compatibility and improved performance margins. All substitute parts maintain the same output configuration, channel count, input type, and mounting method as the original 6N136W.

Parameter Comparison

Engineering Selection Recommendations

All HCPL-4562 series variants are active products manufactured by Broadcom Limited, providing long-term availability and supply chain stability compared to the obsolete 6N136W. The HCPL-4562 series offers superior isolation voltage performance, with ratings ranging from 3750Vrms to 5000Vrms, exceeding the 2500Vrms specification of the original part.

HCPL-4562-020E provides the highest isolation voltage at 5000Vrms and is recommended for applications requiring maximum isolation margin. HCPL-4562 and HCPL-4562-000E/060E variants at 3750Vrms provide adequate isolation performance for standard applications while maintaining full functional compatibility.

All substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The reduced operating temperature range (-40°C to 85°C versus -55°C to 100°C) should be evaluated for applications requiring extended temperature operation.

Frequently Asked Questions (FAQ)

Q: Can HCPL-4562 series parts directly replace 6N136W in existing designs?

A: Yes, the HCPL-4562 series maintains functional compatibility with the 6N136W. All parts share identical output configuration (transistor with base), single-channel architecture, DC input type, and 8-DIP through-hole mounting. The primary design consideration is the package body width difference: HCPL-4562 series uses 0.300" (7.62mm) width versus 6N136W at 0.400" (10.16mm). PCB layout verification is required to confirm physical fit.

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

A: HCPL-4562-020E is rated for 5000Vrms isolation voltage. HCPL-4562, HCPL-4562-000E, and HCPL-4562-060E are all rated for 3750Vrms isolation voltage. The suffix designations indicate packaging and test grade variations. All variants maintain identical electrical output specifications (20V maximum, 8mA per channel).

Q: Are there operating temperature limitations when substituting 6N136W with HCPL-4562 series?

A: Yes. The 6N136W operates from -55°C to 100°C, while HCPL-4562 series parts operate from -40°C to 85°C. Applications requiring operation below -40°C or above 85°C cannot use HCPL-4562 series substitutes. Verify your application's temperature requirements before selection.

Q: What are the input current differences between 6N136W and HCPL-4562 series?

A: The 6N136W has a maximum DC forward current of 25mA, while HCPL-4562 series parts are rated for 12mA maximum. Input circuit design must be adjusted to limit forward current to 12mA or below when using HCPL-4562 series substitutes.

Q: Is the package size difference between 6N136W and HCPL-4562 series critical?

A: The package body width difference (0.400" versus 0.300") requires PCB layout verification. Pin spacing and DIP pitch remain identical at 0.100" (2.54mm), ensuring pin compatibility. Physical clearance around the component must be confirmed to prevent mechanical interference with adjacent components or board features.