TFM-103-01-S-S-A-K

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Four-pin serial connectors of the TFM-103-01-S-S-A-K type are one of the most common types of rectangular connectors recognised today. They are designed for a wide range of applications, ranging from general purpose industrial, automotive, telecom, medical, and military usage. This article will cover their application field, physical specifications, and the working principle of TFM-103-01-S-S-A-K rectangular connectors.

Application Field

TFM-103-01-S-S-A-K connectors are most commonly found in automotive, telecom, industrial, medical, and military applications. As four-pin ​serial connectors, they are often used to provide secure and reliable connections between two electrical devices. The pins are soldered onto circuit boards, and the receptacle attaches to the wire harness.

In automotive applications, TFM-103-01-S-S-A-K connectors are often used to connect ECUs (electronic control units) or sensors to the vehicle’s electrical system. They are also used to connect audio equipment, such as speakers and amplifiers. In medical applications, they are used to connect medical devices such as monitors and scanners to the main power supply.

In industrial applications, TFM-103-01-S-S-A-K connectors are used to connect a multitude of electrical and electronic equipment, including motors, servos, and controllers, as well as data processing systems for industrial automation and control. The military often uses TFM-103-01-S-S-A-K connectors to provide secure and reliable connections for radio, satellite, and other communication equipment.

Physical Specifications

The TFM-103-01-S-S-A-K rectangular connectors typically feature four pins, two of which are designated for power and two powering the circuitry. The pins are soldered into a 24mm wide, 16mm deep, 19mm high nickel-plated housing that is 1.3mm thick. This housing provides the mounting point for the receptacle, with holes at either side for inserting the pins.

The receptacle consists of a molded plastic shell surrounding four conductive leads. The leads are electrically connected to the pins on the housing, and provide electrical continuity between the two devices. The leads are color-coded to indicate the different functions of each pin, with white for power and red for circuitry.

The TFM-103-01-S-S-A-K rectangular connectors are rated for a maximum current rating of 5 amps and maximum voltage rating of 440 Volts AC. Additionally, the connectors meet NEMA-IP50 and IEC-60947-5-2 requirements for protection against dust, dirt, water and other environmental hazards.

Working Principle

The working principle of the TFM-103-01-S-S-A-K rectangular connectors is simple. The pins on the housing connect to the conductive leads on the receptacle, which allows electrical current to pass from one device to the other. The electrical current passes through the conductive leads and then into the circuit board, thus providing power to the device.

The pins and conductive leads are arranged so that the circuit board is connected to the housing, and the housing is attached to the device. This arrangement ensures that each device is safely protected from electrical interference and that the connection is as secure as possible. The pins also have a metal locking “key” that prevents the contacts from being accidentally pulled apart.

The TFM-103-01-S-S-A-K rectangular connectors also incorporate a built-in strain relief feature. This feature allows the cable or harness to be pulled on without damaging the pins or leads. This helps to ensure a secure and reliable connection in even the harshest industrial environments.

In conclusion, TFM-103-01-S-S-A-K rectangular connectors are designed for a wide range of applications, from automotive and telecom to industrial and medical applications. They feature four pins that are soldered into a nickel-plated housing, and a molded plastic receptacle containing four conductive leads. The working principle of the connectors is simple: electrical current passes from one device to the other through the pins and leads. The connectors also feature a built-in strain relief feature for increased protection and reliability.

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