OAC5R AC Output Module - Equivalent & Substitute Parts

Part Overview

The OAC5R is an AC output module manufactured by Sensata Technologies, designed to switch AC loads up to 4.6A at voltages between 12 and 140VAC. The module operates from a 5VDC supply with a 20mA input current requirement. This product is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and component sourcing in legacy applications.

Substiute Parts

OAC5R

Sensata TechnologiesIn Stock: 956OAC5R Datasheet

Current PartRFQ

6421

Sensata-CrydomIn Stock: 9366421 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OAC5R is determined by strict equivalence across the following critical electrical and mechanical parameters:

• Input voltage specification: 5VDC
• Input current requirement: 20 mA
• Output voltage range: 12 ~ 140VAC
• Output current capacity: 4.6A
• Physical feature: Hold Down Screw
• Module type: AC Output Module

The part number 6421 (Sensata-Crydom) meets all these core electrical and mechanical requirements, establishing it as a direct functional equivalent. Both parts operate identically within the specified parameter ranges and share the same physical mounting feature.

Parameter Comparison

Engineering Selection Recommendations

Both the OAC5R and 6421 are classified as obsolete products. Selection between these parts should be based on availability and compliance requirements specific to the application.

The OAC5R carries REACH Unaffected status. The 6421 is RoHS Compliant, which may be a determining factor in applications subject to RoHS regulations. Both parts share identical electrical specifications and physical mounting features, ensuring functional interchangeability within the specified parameter envelope.

Packaging differs between the two parts: OAC5R is supplied in standard packaging, while 6421 is supplied in bulk packaging. This distinction may affect procurement logistics but does not impact electrical or mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can the 6421 directly replace the OAC5R in existing applications?

A: Yes. Both parts are AC output modules with identical input voltage (5VDC), input current (20 mA), output voltage range (12 ~ 140VAC), output current capacity (4.6A), and physical mounting features (Hold Down Screw). They are functionally equivalent.

Q: What is the difference between these two parts?

A: The primary differences are manufacturer designation (Sensata Technologies vs. Sensata-Crydom), compliance certifications (REACH Unaffected vs. RoHS Compliant), and packaging format (standard vs. bulk). Electrical and mechanical specifications are identical.

Q: Are there any timing differences between the OAC5R and 6421?

A: Yes. The OAC5R specifies turn-on time of 0.10ms and turn-off time of 8.33ms. The 6421 specifies switching times as 1/2 cycle for both turn-on and turn-off. These timing specifications differ and should be evaluated against application requirements.

Q: Which part should I select for a new design?

A: Both parts are obsolete. For new designs, consult with the manufacturer for current production alternatives that meet the same electrical and mechanical requirements.

Q: Does packaging affect compatibility?

A: Packaging format (standard vs. bulk) does not affect electrical or mechanical compatibility. It impacts only procurement and handling procedures.