AV38029 Equivalent & Substitute Parts

Part Overview

The Panasonic Electric Works AV38029 is a snap action SPDT switch with chassis mount configuration, rated for 3A at 125V AC and 30V DC. This component features a round pin plunger actuator with quick connect termination and is designed for on-momentary switching applications. The AV38029 is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations where this series is no longer available.

Substiute Parts

AV38029

Panasonic Electric WorksIn Stock: 1237AV38029 Datasheet

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DB2CB1AA

ZF ElectronicsIn Stock: 1067DB2CB1AA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the AV38029 is determined by the following critical parameters that must be maintained or exceeded:

Mandatory Compatibility Parameters:

• Circuit configuration: SPDT (single pole, double throw)
• Switch function: On-momentary operation
• Actuator type: Round pin plunger
• Mounting type: Chassis mount
• Termination style: Quick connect 0.110" (2.8mm)
• Voltage rating: Minimum 125V AC
• Current rating: Minimum 3A

Mechanical Interface Parameters:

• Operating position: 0.330" (8.4mm)
• Differential travel: 0.004" (0.1mm)

The DB2CB1AA from ZF Electronics satisfies all mandatory compatibility parameters. While it exceeds the current rating (10A AC versus 3A AC/DC) and provides enhanced environmental protection (IP50), these represent improvements over the original specification. The operating position and differential travel remain within acceptable tolerance for direct substitution in existing mechanical assemblies.

Parameter Comparison

Engineering Selection Recommendations

The DB2CB1AA represents a viable substitute for the obsolete AV38029 based on functional equivalence and active product status. The ZF Electronics component maintains identical circuit configuration, switch function, actuator geometry, mounting interface, and termination style. The higher current rating (10A AC) and extended temperature range (-40°C to 120°C) provide operational margin beyond the original specification.

The DB2CB1AA carries ROHS3 compliance, addressing modern regulatory requirements that may not have applied to the original AV38029. The IP50 ingress protection rating offers enhanced environmental durability compared to the unspecified protection level of the original part.

Selection of the DB2CB1AA is appropriate for applications where the original AV38029 is no longer procurable and functional compatibility is the primary requirement. The active product status ensures ongoing availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the DB2CB1AA directly replace the AV38029 in existing assemblies?

A: Yes. Both components share identical operating position (0.330"), differential travel (0.004"), actuator type (round pin plunger), mounting configuration (chassis mount), and termination style (quick connect 0.110"). The mechanical interface is fully compatible.

Q: What is the significance of the higher current rating on the DB2CB1AA?

A: The DB2CB1AA is rated for 10A AC compared to the AV38029's 3A AC/DC rating. This represents a design improvement and does not create compatibility issues. Applications originally designed for 3A operation will function within the DB2CB1AA's specifications.

Q: Does the DB2CB1AA meet modern compliance standards?

A: Yes. The DB2CB1AA is ROHS3 compliant and carries active product status. The AV38029, being obsolete, may not meet current regulatory requirements for new designs or system updates.

Q: Are there differences in operating temperature ranges?

A: The DB2CB1AA operates across -40°C to 120°C, compared to the AV38029's -25°C to 85°C range. The DB2CB1AA provides extended temperature capability, making it suitable for applications with broader environmental requirements.

Q: What is the difference in electrical life between these components?

A: The AV38029 is rated for 50,000 electrical cycles, while the DB2CB1AA is rated for 6,000 cycles. For applications requiring extended cycle life, this difference should be evaluated against actual duty cycle requirements.

Q: Is the quick connect termination identical between both parts?

A: Yes. Both components use quick connect termination with 0.110" (2.8mm) spacing, ensuring direct compatibility with existing connector interfaces and wiring harnesses.