Tnisesm
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Tnisesm/6pcs DC 12V Coil SPDT PCB Relay 5 Pins Mini PCB Power Relay JQC 3FF T73-5P-12V-B
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Tnisesm/6pcs DC 12V Coil SPDT PCB Relay 5 Pins Mini PCB Power Relay JQC 3FF T73-5P-12V-B
Compact and sealed construction.
Tnisesm/6pcs DC 12V Coil SPDT PCB Relay 5 Pins Mini PCB Power Relay JQC 3FF T73-5P-12V-B
Item #: 33167942

Tnisesm/6pcs DC 12V Coil SPDT PCB Relay 5 Pins Mini PCB Power Relay JQC 3FF T73-5P-12V-B

89% of respondents would recommend this to a friend

Item #: 33167942

TZS 39745

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*All items will import from US

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What Stands Out

Compact Design
The mini PCB relay's low profile and lightweight construction make it ideal for space-constrained applications, ensuring easier integration into various electronic projects.
High Reliability
Built for durability, this relay features a SPDT configuration that guarantees consistent performance and is capable of handling higher loads, offering superior reliability over standard relays.
Easy Integration
With 5-pin connectivity, this relay simplifies installation and integration into different circuits, making it user-friendly for hobbyists and professionals alike, enhancing overall project efficiency.

Product Details

Buy the Tnisesm6pcs DC 9V Coil SPDT PCB Relay with 5 Pins and Mini PCB Power Relay JQC 3FF T73-5P-9V-B from Ubuy Tanzania. Explore a wide range of electronic components and accessories at our Tanzania.
Connector TypeThrough Hole
Contact TypeSpdt
Current Rating10 Amps
Mounting TypePCB Mount
Operation ModeAutomatic
Wattage180 watts
Coil Voltage12 Volts
Contact Current Rating15 Amps
Maximum Switching Current15 Amps
Minimum Switching Voltage12 Volts (DC)
Brand NameTnisesm
Part NumberCAT73-5P-12V-B
ModelCAT73-5P-12V-B
ManufacturerTnisesm
Contact MaterialConductive Metal/Alloy
Item Weight0.3 lbs (140 grams)

Who Should Buy?

Suitable For
  • DIY Electronics Hobbyists

    Perfect for hobbyists who build or modify electronic projects requiring reliable switching components.

  • Automation Projects

    Ideal for users looking to automate systems that require low voltage switching capabilities without complex setups.

  • Home Automation

    Great for integrating into home automation systems, allowing control of household devices through relay activation.

Not Suitable For
  • High Power Applications

    Not suitable for situations requiring high current switching, as it is limited to low power operations.

Product Description

Tnisesm/6pcs DC 12V Coil SPDT PCB Relay 5 Pins Mini PCB Power Relay JQC 3FF T73-5P-12V-B

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a DC 12V Coil SPDT PCB Relay?

    Answer: A DC 12V Coil SPDT PCB Relay is an electromechanical switch that uses an electromagnetic coil to control higher voltage circuits. SPDT stands for Single Pole Double Throw, meaning it can connect one input to one of two outputs. These relays are widely used in automation, control systems, and to interface low voltage electronic circuits with higher voltage loads.
  • Question: How does the Tnisesm6pcs relay work?

    Answer: The Tnisesm6pcs relay operates by energizing a coil that generates a magnetic field, pulling a metal armature to switch between contacts. When the coil is powered with 12V DC, it activates the switching mechanism. This is useful for applications such as controlling motors, lights, or other devices with a low voltage signal.
  • Question: What are the applications of the Tnisesm6pcs relay?

    Answer: The Tnisesm6pcs relay is versatile and can be used in various applications such as controlling home appliances, automotive systems, and automated machinery. It is also useful in alarm systems, motor control circuits, and in projects requiring automation where low voltages need to control higher voltage devices.
  • Question: Can this relay handle AC loads?

    Answer: The Tnisesm6pcs relay is designed primarily for DC applications, but it can handle AC loads as long as they fall within the relay's rated specifications. Please refer to the relay's datasheet for specifics regarding current and voltage ratings to ensure safe operation.
  • Question: What is the pin configuration for the 5 pins in this relay?

    Answer: The 5-pin configuration of the Tnisesm6pcs relay typically includes one pin for the coil positive, one for the coil negative, and three for the switch contacts. Understanding the pin layout is crucial for proper installation in your PCB design, ensuring the relay operates as intended.
  • Question: What is the maximum switching current for this relay?

    Answer: The Tnisesm6pcs relay can handle a maximum switching current typically around 10A for resistive loads, but this depends on the specific model variant. It is vital to check the datasheet for precise specifications to avoid overload and potential relay failure during operation.
  • Question: Is this relay suitable for automotive applications?

    Answer: Yes, the Tnisesm6pcs relay, being rated for 12V DC, is particularly suitable for automotive applications. It can be used for controlling power to lights, fans, pumps, and other electrical components in vehicles, providing a reliable switch mechanism for various automotive systems.
  • Question: How can I mount the Tnisesm6pcs relay on my PCB?

    Answer: The Tnisesm6pcs relay can be easily mounted on a PCB by inserting its pins into the designated holes and soldering them securely. Ensure that the PCB design accommodates the relay’s footprint, allowing for stable operation and easy maintenance in your projects.
  • Question: What safety precautions should I follow when using this relay?

    Answer: When using the Tnisesm6pcs relay, ensure that the input voltage does not exceed its ratings. Always verify the load specifications and provide adequate ventilation. Additionally, using fuses can help prevent damage from overloads, ensuring safe operation within your systems.
  • Question: Where can I buy Tnisesm6pcs DC 12V Coil SPDT PCB Relay?

    Answer: You can conveniently purchase the Tnisesm6pcs DC 12V Coil SPDT PCB Relay from Ubuy. They offer a wide range of electronic components and make it easy to find and acquire quality products for your projects, ensuring you receive reliable delivery and customer support.

Tnisesm Electromechanical Relays Editorial Review

The SRA-12VDC-CL Relay is a non-latching type relay. It works well and has a coil current of about 40mA. It can be used for various projects including auto shut off devices, manual and remote controls, and model train hobby. It is also suitable for replacing door lock relays in some cars and repairing Chamberlain liftmaster garage door openers. However, the common pin is not located in a way that fits a typical PCB or breadboard. The relay works fine, but if you want something that looks professional, this might not be the best option.

Customer Reviews & Ratings

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Pros

  • Works well
  • Suitable for various projects
  • Can replace door lock relays in some cars and repair Chamberlain liftmaster garage door openers

Cons

  • The common pin is not located in a way that fits a typical PCB or breadboard.

Platform Trust & Buyer Confidence

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“Easy to use and always helpful and sorts any issues I've had past and present”

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“The delivery was fast and the product came undamaged and authentic.”

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“Fast, convenient and cheap. Great store!”

27 August 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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TZS 39745

Order now and get it around Tuesday, September 15

QTY:

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Fastest cross-border delivery

Features & Benefits

  • Compact and sealed construction
  • 6pcs in package
  • 3V coil voltage
  • 10A 250VAC/15A 125VAC contact ratings
  • Suitable for modules, development board, and DIY PCB Universal Board
  • Ideal for connectors, cables & adapters, and IC sockets

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