HCPL0452R2 Equivalent & Substitute Parts

Part Overview

The HCPL0452R2 is a single-channel optoisolator with transistor output manufactured by onsemi. This component provides galvanic isolation up to 2500Vrms and is designed for applications requiring high-speed signal isolation in industrial and consumer electronics. The part is classified as obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations.

Substiute Parts

HCPL0452R2

onsemiIn Stock: 3980HCPL0452R2 Datasheet

Current PartRFQ

HCPL0453R2

Fairchild SemiconductorIn Stock: 3213HCPL0453R2 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HCPL0452R2 is determined by the following critical parameters:

• Single-channel configuration with transistor output topology
• Isolation voltage rating of 2500Vrms
• Current transfer ratio range of 19% to 50% at 16mA input
• Maximum output voltage of 20V
• Output current capability of 8mA per channel
• 8-SOIC surface mount package
• Operating temperature range of -40°C to 85°C
• Input type: DC

The HCPL0453R2 qualifies as a parametric equivalent based on alignment with these core electrical and mechanical specifications within the optoisolator category.

Parameter Comparison

Engineering Selection Recommendations

The HCPL0453R2 is available as an active product from Fairchild Semiconductor, providing supply continuity for applications currently using the obsolete HCPL0452R2. Both components share identical export classification (EAR99) and tariff codes (HTSUS 8541.49.8000), facilitating regulatory compliance in international applications. The transition from onsemi to Fairchild Semiconductor sourcing maintains functional compatibility within the specified electrical and mechanical parameters.

Frequently Asked Questions (FAQ)

Q: Can the HCPL0453R2 directly replace the HCPL0452R2 in existing designs?

A: Yes. Both components are single-channel optoisolators with transistor output in 8-SOIC surface mount packages. They share the same electrical specifications for isolation voltage, output voltage, and current ratings, as well as identical export and tariff classifications.

Q: Are there package compatibility concerns when substituting these parts?

A: No. Both the HCPL0452R2 and HCPL0453R2 use the 8-SOIC package with 0.154" (3.90mm) width, ensuring mechanical and electrical compatibility on PCB layouts designed for either component.

Q: What is the primary reason for seeking a substitute for the HCPL0452R2?

A: The HCPL0452R2 is classified as obsolete. The HCPL0453R2 is an active product, ensuring long-term availability and supply chain stability for new designs and ongoing production requirements.

Q: Are the isolation voltage ratings equivalent between these parts?

A: Both components provide 2500Vrms isolation voltage, meeting identical galvanic isolation requirements for high-voltage applications.

Q: Do these parts have the same operating temperature range?

A: The HCPL0452R2 operates from -40°C to 85°C. Verify the HCPL0453R2 operating temperature specifications in the manufacturer datasheet to confirm compatibility for your specific application temperature requirements.