HCPL0631 Equivalent & Substitute Parts

Part Overview

The HCPL0631 is a logic output optoisolator manufactured by onsemi, featuring 3750Vrms isolation voltage, 2-channel configuration, and open collector Schottky clamped output. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The HCPL0631 operates at 10Mbps data rate with 5kV/µs common mode transient immunity in an 8-SOIC surface mount package.

Substiute Parts

HCPL0631

onsemiIn Stock: 2501HCPL0631 Datasheet

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HCPL-0631

Broadcom LimitedIn Stock: 2287HCPL-0631 Datasheet

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HCPL-0631#500

Broadcom LimitedIn Stock: 798HCPL-0631#500 Datasheet

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HCPL-0631-000E

Broadcom LimitedIn Stock: 3860HCPL-0631-000E Datasheet

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HCPL-0631-500E

Broadcom LimitedIn Stock: 109363HCPL-0631-500E Datasheet

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VO0631T

Vishay Semiconductor Opto DivisionIn Stock: 5611VO0631T Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the HCPL0631 are qualified based on the following critical parameters:

• Number of Channels: Must be 2
• Voltage - Isolation: Minimum 3750Vrms
• Output Type: Open Collector or Open Drain configuration
• Current - Output / Channel: Minimum 50 mA
• Data Rate: Minimum 10Mbps
• Voltage - Supply: 4.5V ~ 5.5V range
• Operating Temperature: Minimum -40°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount

All substitute parts listed maintain compatibility with these core electrical and mechanical specifications. Broadcom Limited variants (HCPL-0631, HCPL-0631#500, HCPL-0631-000E, HCPL-0631-500E) are direct equivalents with active product status. The Vishay Semiconductor VO0631T meets all substitution criteria with enhanced isolation voltage (4000Vrms) and extended operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

Broadcom HCPL-0631 Series (Active Status)

The Broadcom HCPL-0631, HCPL-0631#500, HCPL-0631-000E, and HCPL-0631-500E variants are direct functional equivalents with active product status. These parts maintain identical isolation voltage, channel configuration, and output characteristics. Broadcom variants offer improved common mode transient immunity (10kV/µs versus 5kV/µs) and reduced propagation delay specifications.

For new designs requiring RoHS3 compliance, select HCPL-0631-000E or HCPL-0631-500E. The HCPL-0631-500E offers the highest inventory availability (109,300 pcs) in Cut Tape & Digi-Reel packaging. HCPL-0631#500 is available in Tape & Reel format (726 pcs). HCPL-0631-000E is supplied in Tube packaging (3,822 pcs) with ROHS3 compliance.

Vishay VO0631T (Active Status, Extended Temperature)

The Vishay VO0631T meets all core substitution criteria with enhanced isolation voltage (4000Vrms) and extended operating temperature range (-40°C ~ 100°C). Output configuration is open drain rather than open collector Schottky clamped. This part is ROHS3 compliant with 5,598 pcs available in Cut Tape & Digi-Reel packaging. Selection of VO0631T is appropriate when higher isolation voltage or extended temperature operation is required.

Frequently Asked Questions (FAQ)

Q: Can HCPL-0631 variants from Broadcom directly replace the obsolete onsemi HCPL0631?

A: Yes. Broadcom HCPL-0631, HCPL-0631#500, HCPL-0631-000E, and HCPL-0631-500E are direct functional equivalents. All maintain 3750Vrms isolation, 2-channel configuration, 50mA output current, 10Mbps data rate, and 8-SOIC packaging. Broadcom variants feature improved common mode transient immunity (10kV/µs) and are available with active product status.

Q: What is the difference between HCPL-0631-000E and HCPL-0631-500E?

A: Both are Broadcom HCPL-0631 variants with identical electrical specifications and ROHS3 compliance. The primary differences are packaging format and inventory availability. HCPL-0631-000E is supplied in Tube packaging (3,822 pcs available). HCPL-0631-500E is supplied in Cut Tape & Digi-Reel format (109,300 pcs available). Selection depends on procurement and assembly requirements.

Q: Is the Vishay VO0631T a suitable substitute?

A: Yes. The VO0631T meets all core substitution criteria: 2 channels, 4000Vrms isolation (exceeds 3750Vrms requirement), 50mA output current, 10MBd data rate, and 8-SOIC packaging. The primary difference is open drain output configuration versus open collector Schottky clamped. VO0631T is appropriate when higher isolation voltage or extended operating temperature (-40°C ~ 100°C) is required.

Q: What packaging options are available for HCPL-0631 substitutes?

A: Broadcom offers three packaging formats: Tube (HCPL-0631-000E), Tape & Reel (HCPL-0631#500), and Cut Tape & Digi-Reel (HCPL-0631-500E). Vishay VO0631T is supplied in Cut Tape & Digi-Reel format. Selection depends on assembly process requirements and order quantities.

Q: Are all substitute parts RoHS compliant?

A: HCPL-0631-000E and HCPL-0631-500E (Broadcom) and VO0631T (Vishay) are ROHS3 compliant. HCPL-0631 and HCPL-0631#500 (Broadcom) are RoHS non-compliant. For applications requiring RoHS compliance, select HCPL-0631-000E, HCPL-0631-500E, or VO0631T.