PS7142-1B-A Equivalent & Substitute Parts

Part Overview

The PS7142-1B-A is a Solid State Relay (SSR) with SPST-NC (1 Form B) configuration, rated for 200 mA load current and 0-400 V output voltage range. This component is classified as Obsolete, making identification of functional equivalents and active substitute parts essential for ongoing system support, maintenance, and new design implementations. Active substitute parts with compatible electrical and mechanical specifications enable continuity in applications where the original component is no longer manufactured or readily available.

Substiute Parts

PS7142-1B-A

CELIn Stock: 827PS7142-1B-A Datasheet

Current PartRFQ

AQV454

Panasonic Electric WorksIn Stock: 3167AQV454 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PS7142-1B-A is determined by electrical and mechanical parameter compatibility within the following critical criteria:

Critical Parameters for Substitution:

• Circuit Configuration: SPST-NC (1 Form B) — must match the switching topology
• Package / Case: 6-DIP (0.300", 7.62mm) — must maintain PCB footprint compatibility
• Voltage - Load: 0 V ~ 400 V range — must support the full operating voltage
• Load Current: Must meet or exceed 200 mA requirement
• Termination Style: PC Pin — must match through-hole connection method
• Output Type: AC, DC — must support both load types

The AQV454 (Panasonic Electric Works) satisfies all critical substitution parameters with equivalent mechanical mounting and electrical performance characteristics, while maintaining active product status.

Parameter Comparison

Engineering Selection Recommendations

PS7142-1B-A Status: Obsolete — component is no longer in active manufacturing or distribution.

AQV454 Substitution: This part is the recommended substitute, classified as Active with ROHS3 compliance. The AQV454 maintains electrical and mechanical compatibility with equivalent load voltage range (0-400 V) and identical circuit topology (SPST-NC). The load current specification of 150 mA on the AQV454 is lower than the original 200 mA; applications requiring the full 200 mA specification must evaluate whether the 150 mA rating is sufficient for the intended load. The input voltage requirement of 1.14 VDC is within typical design tolerance relative to the 1.2 VDC specification of the original part. On-state resistance (16 Ohms maximum on AQV454 versus 12 Ohms on PS7142-1B-A) represents a measurable difference and must be assessed for thermal and voltage drop implications in the application circuit.

The AQV454 carries ROHS3 Compliant and REACH Unaffected designations, providing compliance advantage over the original part's REACH Affected status.

Frequently Asked Questions (FAQ)

Q: Can the AQV454 replace the PS7142-1B-A in existing designs? A: Electrical and mechanical compatibility is confirmed for the following: identical circuit configuration (SPST-NC), identical package format (6-DIP 0.300"), identical load voltage range (0-400 V), equivalent output types (AC/DC), and matched termination style (PC Pin). Application-level compatibility depends on whether the 150 mA load current rating of the AQV454 meets your circuit requirements, as this is lower than the original 200 mA specification.

Q: What are the differences in on-state resistance between these parts? A: The PS7142-1B-A specifies 12 Ohms maximum on-state resistance, while the AQV454 specifies 16 Ohms maximum. This 4-Ohm difference affects voltage drop across the relay contact and heat dissipation characteristics. For applications with tight voltage margin requirements or high current operation near the 150 mA limit, this resistance difference must be analyzed.

Q: Are there any compliance or availability advantages to using the AQV454? A: The AQV454 is classified as Active product status with confirmed inventory availability (3125 Pcs reported). It carries ROHS3 compliance and REACH Unaffected status, compared to the original part's Obsolete status and REACH Affected classification. These characteristics support long-term supply chain reliability and regulatory compliance.

Q: Does the input voltage difference (1.14 VDC vs 1.2 VDC) affect compatibility? A: The AQV454 input voltage specification of 1.14 VDC is lower than the PS7142-1B-A specification of 1.2 VDC. In typical application circuits, this difference falls within standard design tolerances and control signal voltage margins. Circuit-specific verification is required if the design operates near the minimum control voltage threshold.

Q: What is the difference in packaging format between these parts? A: The PS7142-1B-A packaging format is not specified in available data. The AQV454 is supplied in Tube packaging. Both parts use identical 6-DIP (0.300", 7.62mm) package and PC Pin termination, ensuring mechanical compatibility on the PCB regardless of tape or tube supply format.