4-1904124-3 Relays |
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Allicdata Part #: | A122157-ND |
Manufacturer Part#: |
4-1904124-3 |
Price: | $ 3.27 |
Product Category: | Relays |
Manufacturer: | TE Connectivity AMP Connectors |
Short Description: | RELAY AUTOMOTIVE SPDT 30A 12V |
More Detail: | N/A |
DataSheet: | 4-1904124-3 Datasheet/PDF |
Quantity: | 4689 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | 3.27000 |
Series: | Micro Relay A |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Coil Type: | Non Latching |
Coil Voltage: | 12VDC |
Contact Form: | SPDT (1 Form C) |
Contact Rating (Current): | 30A |
Switching Voltage: | 12VDC - Nom |
Turn On Voltage (Max): | 7.2 VDC |
Turn Off Voltage (Min): | 1.6 VDC |
Features: | Resistor |
Mounting Type: | Socketable |
Termination Style: | Plug In, Quick Connect - Multiple Sizes |
Operating Temperature: | -40°C ~ 125°C |
Contact Material: | Silver Alloy |
Coil Power: | 1.2 W |
Coil Resistance: | 119 Ohms |
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Automotive relays are a type of electrical switch, designed to control one circuit by opening and closing contacts in another circuit. 4-1904124-3, which is commonly referred to as a four-pin relay, is a popular type of automotive relay and is often used in applications such as automotive headlamps, brake lights, turn signals, A/C, horns, remote starters, and more.
The primary purpose of a 4-1904124-3 relay is to enable a low-power circuit to control a higher-power one. By using the 4-1904124-3 relay, the output device will not draw too much current from the control circuit, therefore protecting it from damage. Additionally, since the 4-1904124-3 relay is capable of handling triggering devices such as switches, electric motors, and other electrical components, it can be used to control multiple devices in an automobile. For example, a single 12V power lead from the battery can control many devices, such as the headlights, brake lights, turn signals, and horn.
The 4-1904124-3 relay consists of four basic components: the coil, the contacts, the insulator, and the frame. The coil, which is made of thin strips of copper wire wound together, acts as a transformer and is attached to the contacts. This supply voltage to the contacts, which are the metal strip in the relay that open and close and turn the circuit on or off. The insulator is the plastic that the contacts are housed in, and it serves to both protect the contacts from short circuits as well as to keep unwanted contaminants out. The frame is the metal casing that houses the other components, and helps keep the contacts from coming into contact with one another.
4-1904124-3 relays are highly versatile and reliable, and are used in many different automotive applications. They are often found in the engine bay wiring, as they are well suited for controlling components such as the ECU, fuel pump, and injectors, or any device that needs consistent operation when enabled. Additionally, since these relays are typically given a high-rated current, they can also be used to control larger devices, such as electric fans and headlights.
To activate the 4-1904124-3 relay, an electric current is applied to the coil. This current creates a magnetic field, which then “pulls” the contacts closed, thus completing the circuit and allowing current to flow to the output device. When the current is removed from the coil, the contacts open and the circuit is broken. This is the basic working principle behind these relays.
The 4-1904124-3 relay is a versatile and reliable component that is used in many automotive applications. It is capable of controlling multiple devices from a single power source, and since it is a self-contained unit, it requires minimal installation and maintenance. Additionally, since the relay is triggered by electrical current and not an external device, it can be used in an environment with varying voltage levels. For these reasons, the 4-1904124-3 relay is an ideal solution for controlling automotive devices.
The specific data is subject to PDF, and the above content is for reference
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