HCPL-J456#300 Equivalent & Substitute Parts

Part Overview

The HCPL-J456#300 is a Logic Output Optoisolator with Open Collector, Schottky Clamped output configuration. This component provides 3750Vrms isolation with 1 channel, 15kV/µs common mode transient immunity, and operates across a 4.5V to 30V supply range. The part is discontinued at DiGi Electronics, making identification of equivalent alternatives necessary for ongoing design support and procurement.

Substiute Parts

HCPL-J456#300

Broadcom LimitedIn Stock: 834HCPL-J456#300 Datasheet

Current PartRFQ

HCPL-J456-300E

Broadcom LimitedIn Stock: 5841HCPL-J456-300E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HCPL-J456#300 is determined by strict equivalence across the following critical parameters:

• Number of Channels: 1
• Voltage - Isolation: 3750Vrms
• Common Mode Transient Immunity (Min): 15kV/µs
• Output Type: Open Collector, Schottky Clamped
• Current - Output / Channel: 15 mA
• Propagation Delay tpLH / tpHL (Max): 550ns, 480ns
• Voltage - Forward (Vf) (Typ): 1.6V
• Current - DC Forward (If) (Max): 25mA
• Voltage - Supply: 4.5V ~ 30V
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 8-SMD, Gull Wing

The HCPL-J456-300E meets all specified electrical and mechanical parameters, establishing it as a direct equivalent substitute.

Parameter Comparison

Engineering Selection Recommendations

The HCPL-J456-300E is the direct equivalent substitute for the HCPL-J456#300. Both components share identical electrical specifications and package configuration. The primary distinction is product status: the HCPL-J456#300 is discontinued, while the HCPL-J456-300E maintains active status with significantly higher inventory availability (5800 units versus 804 units).

The HCPL-J456-300E additionally provides ROHS3 compliance, whereas the original part is RoHS non-compliant. This compliance improvement supports regulatory requirements in applications subject to RoHS directives.

Frequently Asked Questions (FAQ)

Q: Can the HCPL-J456-300E be used as a direct replacement for the HCPL-J456#300?

A: Yes. Both components are manufactured by Broadcom Limited and share identical electrical parameters, isolation voltage, CMTI rating, output configuration, and package specifications. No circuit modifications are required.

Q: What is the difference between HCPL-J456#300 and HCPL-J456-300E?

A: The components are electrically and mechanically equivalent. The HCPL-J456-300E is the active production variant with improved RoHS3 compliance. The HCPL-J456#300 is discontinued.

Q: Are there any package or pinout differences?

A: No. Both parts use the 8-SMD Gull Wing package with identical pinout and mounting requirements.

Q: What is the inventory status for each part?

A: The HCPL-J456#300 has 804 units in stock but is discontinued. The HCPL-J456-300E has 5800 units in stock and is actively produced.

Q: Does the HCPL-J456-300E meet RoHS requirements?

A: Yes. The HCPL-J456-300E is ROHS3 compliant. The original HCPL-J456#300 is RoHS non-compliant.