
ST-LCR1H Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $72.00 | Condition is Open box, RDL ST-LCR1H High Power Logic Controlled Relay (Stick-On) R.D.L. New, shipping cost = $13.59 | 100.0% |
![]() | $120.00 | Condition is Open box, RDL ST-LCR1H High-Power Logic Controlled Relay STICK-ON Radio Design Labs, shipping cost = $16.28 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $99.99 | Condition is New, NEW RDL ST-LCR1H Stick On High Power Logic Controlled High Power Relay 8 A (G45), FREE SHIPPING | 99.9% |
![]() | $117.50 | Condition is New, RDL ST-LCR1H High-Power Logic Controlled Relay STICK-ON Radio Design Labs, shipping cost = $10.00 | 100.0% |
![]() | $175.00 | Top Pick! Condition is New, RDL ST-LCR1H / STLCR1H (NEW IN BOX), shipping cost = $9.99 | 100.0% |
![]() | $190.78 | Top Pick! Condition is New, RDL ST-LCR1H 8A DPDT Relay 5V 24V Open-Collector Speaker Switch, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $23.21 | Condition is Used, RDL ST-LCR1H High Power Logic Controlled Relay - Fair Condition, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $146.25 | Condition is New – Open box, RDL ST-LCR1H / STLCR1H (NEW IN BOX), shipping cost = $12.90 | 99.7% |

The RDL ST-LCR1H High-Power Logic Controlled Relay from Radio Design Labs is a versatile and powerful solution for controlling electrical circuits with low voltage logic signals. This stick-on relay is designed to be easily mounted on a printed circuit board, making it an ideal choice for hobbyists, electronics enthusiasts, and professionals looking to add relay functionality to their projects.
The ST-LCR1H is a single-pole, double-throw (SPDT) relay with a coil voltage rating of 12 volts DC and a coil current rating of 500 mA. It is capable of handling a contact rating of 10 amps at 125 volts AC or DC, making it suitable for a wide range of applications. The contacts are gold-plated for improved conductivity and longevity.
This relay features a low contact bounce rate, ensuring reliable and accurate switching. It also includes a built-in diode across the coil to protect against inductive load back EMF. The ST-LCR1H is a logic-controlled relay, meaning it can be activated or deactivated using a low voltage logic signal.
The ST-LCR1H comes in a compact size of 1.6 inches by 1.0 inch by 0.5 inch, making it easy to integrate into even the most space-constrained projects. It also includes four mounting holes for secure attachment to a PCB.
This high-power logic controlled relay from Radio Design Labs is a reliable and robust solution for controlling electrical circuits with logic signals. Its high contact rating, low contact bounce rate, and compact size make it a valuable addition to any electronics project.
The RDL ST-LCR1H High-Power Logic Controlled Relay is a stick-on radio design lab component designed for use in various applications where remote relay control is required. This relay offers several advantages and disadvantages.
Advantages:1. High Power Relay: The RDL ST-LCR1H is a high-power relay capable of handling up to 15 Amperes of current and 125 Volts of AC or DC voltage. This makes it suitable for controlling heavy loads in industrial applications.
2. Logic Controlled: The relay is logic controlled, which means it can be switched on or off using electronic signals, making it ideal for use in automated systems, robotic control, and other applications where precise control is required.
3. Stick-On Design: The stick-on design of the relay allows it to be easily mounted on a heat sink or other flat surface, making it a space-saving solution for relay control applications.
Disadvantages:1. Limited Switching Frequency: The RDL ST-LCR1H has a limited switching frequency of up to 500 Hz. This may be a limitation for certain applications where high switching frequencies are required.
2. Requires External Coil: The relay requires an external coil to operate. This can add complexity to the system design and increase the overall cost.
3. Sensitive to Electromagnetic Interference: The relay is sensitive to electromagnetic interference, which can affect its performance in noisy environments.
In conclusion, the RDL ST-LCR1H High-Power Logic Controlled Relay offers several advantages, including its high power handling capacity, logic control, and stick-on design. However, it also has some disadvantages, such as its limited switching frequency, the requirement for an external coil, and sensitivity to electromagnetic interference.
Recommendation:If you are looking for a high-power logic controlled relay with a stick-on design and do not require a high switching frequency, then the RDL ST-LCR1H is a suitable option for your application. However, if you need a relay with a higher switching frequency, consider looking for alternatives with solid-state relay technology or contactor-type relays that do not require an external coil.
Details:
Please see pictures for details. This listing is for a Rdl ST-LCR1H high-power logic controlled relay stick-on radio design labs.
specifications audioproequip:
- brand: Rdl
- mpn: St-lcr1h
- part type: Stick Radio Lab
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
seller audioproequip:
- rating: 100.0%
- # reviews: 1
- city: orangevale, california
offer audioproequip:
- started: january 6, 2026
- sold #: 11
- availability: in stock
- prices: $72.00–$190.78
- item condition:
- Open box
- New
- Used
- New – Open box
- in stock #: 5
- options: ship-to-home
shipping audioproequip:
- class: standard
- carrier: ups
- service: ups ground
- type: calculated
- transit: 4-10 days
returns audioproequip:
- policy: no returns
payments audioproequip:
- wallet: google-pay
- other
- credit card: diners-club
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