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HFD27/012-S 12V / 2A DPDT Relay PCB Mount

SKU: 8D11XXWNKF
A relay is an electrically operated switch. It consists of a set of input terminals for single or multiple control signals, and a set of operating contact terminals. The switch may have any number of contacts in multiple contact forms, such as making contacts, breaking contacts, or combinations thereof. Relays are used where it is necessary to control a circuit...
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Specifications

Specifications:

Manufacturer: Xiamen Hongfa Electroacoustic
Part Number: HFD27/012-S
Contact Configuration: DPDT (Double Pole Double Throw)
Rated Coil Voltage: 12V DC
AC Contact Rating: 1A at 125V AC
DC Contact Rating: 2A at 30V DC
Maximum Contact Current: 2A
Coil Resistance: 720 Ω
Operate Time: 7 ms
Release Time: 3–4 ms
Operating Temperature Range: -40°C to +85°C
Power Consumption: 200 mW
Relay Type: General-purpose
Coil Current: 16.7 mA
Coil Power: 200 mW
Coil Type: Non-latching
Switching (Throw) Type: DPDT
Number of Pins: 8
Package Type: DIP (Dual In-line Package)
Mounting Style: PCB mount, through-hole

Additional Resources

HFD27/012-S 12V / 2A DPDT Relay PCB Mount.PDF

FAQ

1. What is the HFD27/012-S relay?

The HFD27/012-S is a 12V DPDT (Double Pole Double Throw) PCB-mounted relay designed to control high-current loads using a low-power control signal. It allows switching between two circuits simultaneously.

2. What does DPDT mean in this relay?

DPDT stands for Double Pole Double Throw, meaning the relay has two independent switching channels (poles), each capable of connecting to one of two outputs (throws). This allows more flexible control of circuits.

3. What are the typical specifications of the HFD27/012-S relay?

It typically operates at a 12V DC coil voltage and can handle up to 2A current on its contacts. It is designed for PCB mounting and is commonly used in low to medium power switching applications.

4. Where is the HFD27/012-S relay commonly used?

This relay is used in applications such as home automation systems, industrial control circuits, power switching boards, robotics, and embedded systems where electrical isolation and switching are required.

5. How does the HFD27/012-S relay work?

When 12V is applied to the coil, it generates a magnetic field that moves the internal contacts, switching the circuit from one state to another. When the power is removed, the contacts return to their original position.

View full product details

A relay is an electrically operated switch. It consists of a set of input terminals for single or multiple control signals, and a set of operating contact terminals. The switch may have any number of contacts in multiple contact forms, such as making contacts, breaking contacts, or combinations thereof. Relays are used where it is necessary to control a circuit by an independent low-power signal, or where several circuits must be controlled by one signal. Relays were first used in long-distance telegraph circuits as signal repeaters: they refresh the signal coming in from one circuit by transmitting it to another circuit. Relays were used extensively in telephone exchanges and early computers to perform logical operations. This product is known as 12V 2A Relay, 12V 2A SPDT PCB Mount Relay, 12V 2A SPDT Relay, 12V DPDT Relay, 12V Relay, 2A DPDT Relay, 2A Relay, Component, DPDT, DPDT PCB Mount Relay, HFD27/012-S, PCB Mount Relay.