AQV234AX Equivalent & Substitute Parts

Part Overview

The AQV234AX is a solid-state relay (SSR) manufactured by Panasonic Electric Works, part of the PhotoMOS™ AQV series. This SPST-NO (1 Form A) component operates as a surface-mount device in a 6-SMD package with a 0.300" (7.62mm) footprint. The device is designed for AC and DC load switching applications with a maximum load voltage range of 0–400V and a load current rating of 120mA. The AQV234AX maintains an active product status and is RoHS3 compliant. Equivalent and substitute parts are identified based on matching mechanical packaging, electrical circuit topology, and load voltage specifications to ensure direct functional replacement in existing designs.

Substiute Parts

AQV234AX

Panasonic Electric WorksIn Stock: 3691AQV234AX Datasheet

Current PartRFQ

LH1525AABTR

Vishay Semiconductor Opto DivisionIn Stock: 1205LH1525AABTR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AQV234AX are identified based on the following critical parameters that determine functional compatibility:

• Circuit Configuration: SPST-NO (1 Form A) topology
• Load Voltage Range: 0–400V maximum
• Package / Case: 6-SMD (0.300", 7.62mm) with Gull Wing termination
• Mounting Type: Surface Mount
• Output Type: AC and DC load switching capability

The LH1525AABTR manufactured by Vishay Semiconductor Opto Division qualifies as a substitute part because it maintains identical circuit topology, load voltage specifications, package dimensions, and mounting characteristics. While the LH1525AABTR offers a higher load current rating (250mA versus 120mA) and lower on-state resistance (36Ω versus 50Ω), these represent performance enhancements rather than incompatibilities, making it suitable for direct replacement in applications where the AQV234AX is specified.

Parameter Comparison

Engineering Selection Recommendations

Both the AQV234AX and LH1525AABTR maintain active product status and full RoHS3 compliance, ensuring regulatory alignment for current and future applications. The mechanical compatibility is confirmed through identical package specifications (6-SMD, 0.300" footprint) and Gull Wing termination, allowing direct PCB layout reuse without redesign. The electrical compatibility is established through matching circuit topology (SPST-NO), load voltage range (0–400V), and dual AC/DC output capability. The LH1525AABTR provides enhanced electrical performance with 250mA load current capacity and 36Ω on-state resistance compared to the AQV234AX specifications of 120mA and 50Ω, respectively. Selection between these parts should be based on application load current requirements and available inventory.

Frequently Asked Questions (FAQ)

Q: Can the LH1525AABTR directly replace the AQV234AX on existing PCBs?

A: Yes. Both parts share identical 6-SMD (0.300", 7.62mm) package dimensions and Gull Wing termination, enabling direct PCB substitution without layout modifications.

Q: What are the key differences between these two SSR relays?

A: The primary differences are load current rating (AQV234AX: 120mA; LH1525AABTR: 250mA) and on-state resistance (AQV234AX: 50Ω; LH1525AABTR: 36Ω). Both maintain identical load voltage range (0–400V), circuit topology (SPST-NO), and package specifications.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the AQV234AX and LH1525AABTR are RoHS3 compliant and suitable for applications requiring environmental and regulatory compliance.

Q: What is the input voltage requirement for these SSR relays?

A: The AQV234AX requires 1.14VDC input, while the LH1525AABTR requires 1.16VDC input. Both values are within typical control circuit voltage tolerances.

Q: Can these parts switch both AC and DC loads?

A: Yes. Both the AQV234AX and LH1525AABTR are rated for AC and DC output operation across the 0–400V load voltage range.

Q: What is the significance of the on-state resistance specification?

A: On-state resistance determines the voltage drop across the relay during load conduction. The LH1525AABTR's lower on-state resistance (36Ω) results in reduced power dissipation compared to the AQV234AX (50Ω), which may be beneficial in high-frequency switching or thermally constrained applications.