ADJ15012 Equivalent & Substitute Parts

Part Overview

The ADJ15012 is a general purpose relay manufactured by Panasonic Electric Works, featuring a Single Pole Double Throw (SPDT) contact configuration with a 12VDC coil. This through-hole mounted relay is designed for applications requiring 16A switching capacity at 250VAC maximum. The part is currently active in production with 942 units in stock. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits functional alternatives within specified electrical and mechanical parameters.

Substiute Parts

ADJ15012

Panasonic Electric WorksIn Stock: 993ADJ15012 Datasheet

Current PartRFQ

RT214012

TE Connectivity Potter & Brumfield RelaysIn Stock: 2290RT214012 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ADJ15012 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Coil Voltage: 12VDC
• Contact Form: SPDT (1 Form C)
• Mounting Type: Through Hole
• Termination Style: PC Pin
• Coil Type: Non Latching

Allowable Variation Parameters:

• Contact Rating (Current): Substitute must meet or exceed 16A
• Switching Voltage: Substitute must meet or exceed 250VAC
• Operating Temperature Range: Substitute must cover or exceed -40°C ~ 70°C
• Seal Rating: Sealed - Flux Protection preferred for equivalent environmental protection
• RoHS Compliance: Active production parts must maintain RoHS compliance status

The RT214012 qualifies as a substitute based on matching all mandatory parameters. Variations in contact current rating (12A vs 16A), switching voltage (400VAC vs 250VAC), and operating temperature range (-40°C ~ 85°C vs -40°C ~ 70°C) are documented in the comparison table below.

Parameter Comparison

Engineering Selection Recommendations

Primary Consideration - Contact Current Rating: The RT214012 is rated for 12A continuous switching current, while the ADJ15012 is rated for 16A. Selection of the RT214012 substitute is permissible only when the application circuit operates at or below 12A. Applications requiring the full 16A capacity of the ADJ15012 cannot use the RT214012 as a direct substitute.

Coil Current and Drive Circuit Impact: The RT214012 requires 33.3 mA coil current compared to the ADJ15012's 20.8 mA. Verify that the coil drive circuit can supply the higher current demand without exceeding component ratings or introducing voltage drop that would prevent reliable relay operation.

Switching Voltage and Load Capability: The RT214012 supports 400VAC maximum switching voltage, exceeding the ADJ15012's 250VAC specification. This provides additional margin for high-voltage applications. Both parts maintain sealed flux protection for PCB assembly environments.

Timing Characteristics: The RT214012 exhibits faster operate time (8 ms vs 20 ms) and release time (6 ms vs 20 ms). Applications with timing-critical switching sequences must evaluate whether faster response is compatible with system design or if the faster switching introduces unintended behavior.

Compliance and Production Status: Both parts maintain active production status with current RoHS compliance certifications. The RT214012 carries ROHS3 compliance and REACH affected status, meeting current regulatory requirements for electronic component procurement.

Thermal Operating Range: The RT214012 supports -40°C ~ 85°C operation, providing 15°C additional high-temperature margin beyond the ADJ15012's -40°C ~ 70°C range. Applications in elevated ambient conditions benefit from this extended specification.

Frequently Asked Questions (FAQ)

Q: Can the RT214012 directly replace the ADJ15012 in all applications?

A: No. The RT214012 is rated for 12A maximum continuous current, while the ADJ15012 is rated for 16A. Direct substitution is valid only when application current requirements do not exceed 12A. For applications requiring 16A switching capacity, the ADJ15012 must be used.

Q: What is the impact of the higher coil current in the RT214012?

A: The RT214012 requires 33.3 mA coil current versus 20.8 mA for the ADJ15012. The coil drive circuit must be verified to supply this additional current without exceeding component ratings or introducing excessive voltage drop that would prevent relay actuation at the specified minimum operating voltage of 8.4 VDC.

Q: Are the different contact materials (AgSnO vs AgNi) significant for substitution?

A: Contact material differences affect long-term reliability under specific load conditions and environmental exposure. Both Silver Tin Oxide and Silver Nickel are standard relay contact materials. Material selection should be verified against the specific application's electrical load characteristics and expected contact life requirements.

Q: Does the faster switching time of the RT214012 affect circuit compatibility?

A: The RT214012 operates in 8 ms and releases in 6 ms, compared to 20 ms for both operations in the ADJ15012. Circuits designed with timing margins based on the ADJ15012's 20 ms response may experience unintended behavior with the faster RT214012. Verify that faster switching does not introduce race conditions or timing conflicts in the application logic.

Q: What are the packaging implications of the different formats?

A: The ADJ15012 is supplied in box packaging, while the RT214012 is supplied in tube packaging. Tube packaging is standard for component reels and automated assembly processes. Verify that receiving, storage, and assembly procedures accommodate the different packaging format.

Q: Are both parts suitable for lead-free PCB assembly?

A: Both the ADJ15012 (RoHS Compliant) and RT214012 (ROHS3 Compliant) meet lead-free requirements. The RT214012 carries additional REACH affected status, indicating compliance with current European chemical regulations for electronic components.

Q: What is the significance of the different coil resistance values?

A: The ADJ15012 has 576 Ohms coil resistance while the RT214012 has 360 Ohms. This difference, combined with the higher coil current requirement, reflects different coil winding designs. The coil drive circuit must be designed to accommodate the RT214012's lower impedance and higher current draw.