OAC5AR AC Output Module Equivalent & Substitute Parts

Part Overview

The OAC5AR is an AC output module manufactured by Sensata-Crydom, designed for applications requiring AC signal switching with 5VDC logic control. This module accepts a 5VDC input signal and switches AC loads in the 24–280VAC range at 4.6A output capacity. The OAC5AR is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations where this component is specified.

Substiute Parts

OAC5AR

Sensata-CrydomIn Stock: 912OAC5AR Datasheet

Current PartRFQ

OAC-5H

TE Connectivity Potter & Brumfield RelaysIn Stock: 1181OAC-5H Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the OAC5AR is determined by the following critical parameters:

• Input voltage specification: 5VDC
• Input current requirement: 20 mA
• Output voltage range: 24–280VAC
• Output current capacity: minimum 4.6A
• Physical form factor: AC output module with hold down screw
• Series compatibility: OAC series

The OAC-5H qualifies as a direct substitute based on matching input voltage (5VDC), input current (20 mA), output voltage range (24–280VAC), and physical mounting features. The OAC-5H provides increased output current capacity (5A), which exceeds the OAC5AR requirement and ensures compatibility with existing circuit designs.

Parameter Comparison

Engineering Selection Recommendations

The OAC-5H is the designated substitute for the obsolete OAC5AR based on the following criteria:

• Functional equivalence across all critical electrical parameters (input voltage, input current, output voltage range)
• Active product status ensures ongoing availability and manufacturing support
• Output current rating of 5A provides margin above the OAC5AR specification of 4.6A
• Identical mechanical mounting features (hold down screw) ensure form factor compatibility
• RoHS3 compliance of the OAC-5H meets current regulatory requirements
• REACH affected status of the OAC-5H reflects current regulatory classification

The OAC-5H turn-on time of 8.33 ms represents a difference from the OAC5AR specification of 0.10 ms. Applications with timing-critical switching requirements must evaluate this parameter against system performance specifications.

Frequently Asked Questions (FAQ)

Q: Can the OAC-5H directly replace the OAC5AR in existing designs?

A: The OAC-5H matches all critical electrical parameters (input voltage, input current, output voltage range) and physical mounting features. The primary difference is turn-on time (8.33 ms vs. 0.10 ms). Applications must confirm that the slower turn-on time does not impact system performance.

Q: Why does the OAC-5H have a higher output current rating (5A vs. 4.6A)?

A: The OAC-5H is rated for 5A output current, which exceeds the OAC5AR specification. This higher rating provides additional capacity margin and does not prevent substitution in applications designed for 4.6A operation.

Q: What is the significance of the OAC-5H being RoHS3 compliant?

A: RoHS3 compliance indicates the OAC-5H meets current European Union restrictions on hazardous substances. This certification is relevant for applications subject to RoHS regulations and for long-term supply chain compliance.

Q: Are there packaging differences between the OAC5AR and OAC-5H?

A: The OAC5AR is specified with dash packaging, while the OAC-5H is supplied in bulk packaging. Both modules use identical hold-down screw mounting features. Packaging format does not affect electrical or mechanical compatibility.

Q: What does "REACH Affected" status mean for the OAC-5H?

A: REACH affected status indicates the OAC-5H is subject to European Union REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) regulations. This classification is standard for active components and does not prevent substitution.