R-TECH Miniature PCB Relay - RT32FN - 616312

The R-TECH 616312 is a 10A, micro miniature, PCB mounting, non-latching, power relay. Featuring a ...

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Rapid Online - Rapid Electronics Ltd.R-TECH 616312 RT32FN Miniature PCB Relay, Non-Latch, SPST-NO, 1For...
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Product Information

Full details

The R-TECH 616312 is a 10A micro miniature power relay designed for electronics engineers and hobbyists who require reliable signal switching in space-constrained PCB applications. As part of the RT32FN series, it offers efficient performance for industrial equipment, automation, and measurement systems; however, users should note it features an SPST-NO contact configuration, which limits it to normally open switching applications only.

All features

SeriesRT32FN
Model Part Number616312
BrandR-TECH

Extended Product Information

FAQs

What is the contact configuration of the 616312?

This relay is an SPST-NO (Single Pole Single Throw, Normally Open) device.

Can I use this relay with 12V or 5V logic?

No, this specific model (616312) requires a 24V DC coil. For other voltages, please refer to the 616311 (12V) or 616310 (5V) models in the same series.

Is this relay latching or non-latching?

The R-TECH 616312 is a non-latching relay, meaning it requires continuous current to the coil to remain in the closed position.

What is the maximum current rating?

The relay is rated for 10A.

Is this suitable for surface mount or through-hole mounting?

This relay is designed for PCB through-hole mounting.

Troubleshooting

Relay fails to switch when power is applied

Verify that the coil is receiving a steady 24V DC and check that the control signal voltage is not sagging.

Audible clicking but device connected to relay does not turn on

Check the load side connections for loose solder joints or open circuits in the peripheral hardware.

Component overheating during operation

Ensure the current load does not exceed the 10A rating and verify that the relay is not being subjected to excessive vibration or improper thermal ventilation.

Pros and Cons

Pros

  • Extremely compact size for dense board layouts
  • Reliable 10A current handling capacity
  • Standardized 24V DC coil voltage for industrial use
  • Easy direct PCB mounting

Cons

  • Single Pole Single Throw (SPST-NO) only
  • Not suitable for normally closed (NC) circuit requirements
  • Limited to 24V DC control signal systems

Setup, Compatibility & Care

When installing the 616312 relay, ensure the PCB footprints align with the specific pinout required for the RT32FN series to avoid misalignment. As an electromechanical component, it is sensitive to excessive heat; when soldering to the board, use a temperature-controlled iron and minimize dwell time to prevent internal damage to the coil or contacts. For longevity, ensure the relay is kept within its rated electrical limits, as consistently pushing toward the 10A maximum can lead to contact degradation. The unit is designed for standard PCB cleaning processes, but avoid immersing the relay in harsh chemical solvents that could penetrate the housing.

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