OAC24 AC Output Module Equivalent & Substitute Parts

Part Overview

The OAC24 is an AC output module manufactured by Sensata-Crydom, designed to switch AC loads with a 4.6A output capacity. The module accepts a 24VDC input supply and delivers 12 ~ 140VAC output. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges for AC output module applications.

Key Parameters

Parameter	Value
Voltage - Input	24VDC
Current - Input	13 mA
Voltage - Output	12 ~ 140VAC
Current - Output	4.6A
Turn On Time	8.33ms
Turn Off Time	8.33ms
Type	AC Output Module
Features	Hold Down Screw
RoHS Status	RoHS3 Compliant

Substitute Part Grouping Explanation

The 70-OAC24 manufactured by Grayhill Inc. is identified as a substitute based on the following criteria:

Matching Parameters:

Input voltage: 24VDC (identical)
Output current: 4.6A (identical)
Switching times: 8.33ms on/off (identical)
Type classification: AC Output Module (identical)
Mechanical feature: Hold Down Screw (identical)
ECCN and HTSUS codes: Identical regulatory classification

Allowable Variance:

Output voltage range: 70-OAC24 operates 24 ~ 140VAC versus OAC24 at 12 ~ 140VAC. The 70-OAC24 minimum output voltage is higher but remains within acceptable AC output module specifications.
Input current: 70-OAC24 draws 9 mA versus OAC24 at 13 mA. Lower input current consumption is acceptable for substitution.

Parameter Comparison

Parameter	OAC24 (Sensata-Crydom)	70-OAC24 (Grayhill Inc.)
Voltage - Input	24VDC	24VDC
Current - Input	13 mA	9 mA
Voltage - Output	12 ~ 140VAC	24 ~ 140VAC
Current - Output	4.6A	4.6A
Turn On Time	8.33ms	8.33ms
Turn Off Time	8.33ms	8.33ms
Type	AC Output Module	AC Output Module
Features	Hold Down Screw	Hold Down Screw
Product Status	Active	Active
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99

Engineering Selection Recommendations

Both the OAC24 and 70-OAC24 maintain Active product status and REACH Unaffected classification. The OAC24 carries RoHS3 compliance, while the 70-OAC24 is RoHS non-compliant. Selection between these parts depends on regulatory requirements for the end application. The OAC24 is the preferred choice for applications requiring RoHS3 certification. The 70-OAC24 is suitable for applications where RoHS compliance is not mandated. The higher minimum output voltage of the 70-OAC24 (24VAC versus 12VAC) must be evaluated against specific load requirements.

Frequently Asked Questions (FAQ)

Q: Can the 70-OAC24 replace the OAC24 in all applications?

A: Electrical substitution is valid for applications where the output voltage minimum of 24VAC is acceptable. The 70-OAC24 cannot be used in applications requiring output voltages below 24VAC. RoHS compliance requirements must be evaluated separately.

Q: What is the significance of the input current difference between these parts?

A: The 70-OAC24 draws 9 mA input current compared to 13 mA for the OAC24. Lower input current consumption reduces power supply loading and is not a limiting factor for substitution.

Q: Are there packaging differences between OAC24 and 70-OAC24?

A: The OAC24 is supplied in Tray packaging, while the 70-OAC24 is supplied in Bulk packaging. Packaging format does not affect electrical or mechanical compatibility.

Q: What compliance certifications differ between these parts?

A: The OAC24 is RoHS3 compliant. The 70-OAC24 is RoHS non-compliant. Both parts are REACH Unaffected and classified as EAR99 for export control purposes.

Q: Are the switching characteristics identical?

A: Yes. Both parts have identical turn-on and turn-off times of 8.33ms, ensuring equivalent response performance in AC switching applications.

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