AV34029 Equivalent & Substitute Parts

Part Overview

The AV34029 is a snap action switch manufactured by Panasonic Electric Works, configured as a single-pole double-throw (SPDT) device with on-momentary function. This through-hole mounted switch is rated for 3A at 125V AC and 30V DC, featuring a round pin plunger actuator with PC pin termination. The product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations where legacy component specifications must be maintained.

Substiute Parts

AV34029

Panasonic Electric WorksIn Stock: 1010AV34029 Datasheet

Current PartRFQ

DB1C-C1AA

ZF ElectronicsIn Stock: 1074DB1C-C1AA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the AV34029 is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

• Circuit configuration (SPDT)
• Switch function (On-Momentary)
• Voltage rating - AC minimum 125V
• Actuator type (Round pin plunger)
• Mounting type (Through hole)
• Termination style (PC pin)
• Operating position tolerance (0.330" / 8.4mm)

Acceptable Variation Parameters:

• Current rating may exceed the original specification (3A minimum required)
• Voltage rating - DC may exceed the original specification (30V minimum required)
• Operating temperature range may be wider than the original
• Electrical and mechanical life ratings may differ based on application requirements

The DB1C-C1AA from ZF Electronics meets all critical matching parameters while providing enhanced electrical and mechanical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The DB1C-C1AA from ZF Electronics is a functionally equivalent substitute for the obsolete AV34029. Both components share identical circuit configuration, switch function, actuator type, mounting method, and termination style. The DB1C-C1AA is currently in active production status, ensuring long-term availability and supply chain continuity.

Selection of the DB1C-C1AA requires consideration of the following factors:

Electrical Performance: The DB1C-C1AA provides 5A AC rating, exceeding the AV34029's 3A specification. However, DC current rating is reduced to 1A compared to the original 3A. Applications utilizing DC switching at currents above 1A require evaluation against actual circuit requirements.

Mechanical Characteristics: Operating force increases from 50gf to 150gf, requiring higher actuation pressure. This parameter change may affect user interface feel and mechanical system design in applications with force-sensitive actuation mechanisms.

Environmental Performance: The DB1C-C1AA includes IP50 dust protection and operates across an extended temperature range (-40°C to 120°C versus -25°C to 85°C), providing enhanced environmental resilience.

Lifecycle Ratings: Electrical life is reduced to 6,000 cycles from the original 50,000 cycles. Mechanical life is substantially increased to 15,000,000 cycles. Applications with high electrical switching frequency require assessment against the reduced electrical cycle rating.

Compliance: The DB1C-C1AA maintains RoHS3 compliance and EAR99 export classification, consistent with the original component's regulatory status.

Frequently Asked Questions (FAQ)

Q: Can the DB1C-C1AA directly replace the AV34029 in existing circuit boards?

A: Physical and electrical compatibility is confirmed for SPDT on-momentary switching applications at 125V AC. The identical operating position (0.330" / 8.4mm), actuator type, mounting method, and termination style enable direct PCB substitution. However, the increased operating force (150gf versus 50gf) may require mechanical system adjustment if the original design incorporated force-sensitive actuation.

Q: What is the impact of the reduced DC current rating on substitution suitability?

A: The DB1C-C1AA is rated for 1A DC compared to the AV34029's 3A DC rating. Applications switching DC loads above 1A are not suitable for this substitute. Verify actual DC current requirements in the circuit before substitution. AC applications are not affected, as the DB1C-C1AA provides 5A AC capacity.

Q: How does the reduced electrical life rating affect component selection?

A: The DB1C-C1AA is rated for 6,000 electrical cycles versus the AV34029's 50,000 cycles. Applications requiring frequent electrical switching (high cycle count per unit time) should evaluate whether the reduced electrical life rating meets system lifetime requirements. Mechanical life is substantially higher (15,000,000 cycles), indicating the component is designed for mechanical durability rather than high-frequency electrical switching.

Q: Are there packaging differences between these components?

A: The AV34029 is supplied in standard packaging, while the DB1C-C1AA is supplied in bulk packaging. Procurement and handling procedures may differ accordingly. Verify packaging requirements for your supply chain and assembly processes.

Q: What compliance certifications apply to the DB1C-C1AA?

A: The DB1C-C1AA is RoHS3 compliant and classified as EAR99 for export purposes, consistent with the original AV34029 regulatory status. Both components are unaffected by REACH regulations.

Q: Is the DB1C-C1AA suitable for applications requiring the full -25°C to 85°C temperature range of the original?

A: Yes. The DB1C-C1AA operates across -40°C to 120°C, which encompasses and exceeds the original AV34029 temperature range. Applications within the original temperature specification are fully supported.