The frequency of use of connectors is extremely high, in life, we have seen more or less connectors. For professionals, the connector is the need to contact the device every day. In order to enhance your understanding of the degree of connectors, this article will explain two aspects of the connector: 1, a brief introduction to the connector, 2, introducing the difference between FFC connectors and FPC connectors and the common types of both.
First, a brief introduction to the connector
Connector, that is, CONNECTOR. domestic also known as connectors, plugs and sockets. Generally refers to the electrical connector. That is, the device that connects two active devices to transmit current or signal.
Connector is a part of our electronic engineers and technicians often contact. Its role is very simple: in the circuit is blocked or isolated from the circuit between, bridging the communication, so that the current flow, so that the circuit to achieve the intended function. Connector is an indispensable part of the electronic equipment, along the current flow path, you will always find one or more connectors. Connector form and structure is ever-changing, with the application object, frequency, power, application environment, etc., there are different forms of connectors. For example, the connector used to light the lights on the field and the connector of the hard disk drive, and the connector of the ignition rocket is very different. But no matter what kind of connector, it is important to ensure a smooth, continuous and reliable flow of current. In terms of generalization, what is connected by connectors is not limited to electric current. In today’s rapidly developing optoelectronics, the carrier of signals in fiber optic systems is light, and glass and plastic replace the wires in ordinary circuits, but connectors are also used in optical signal paths, and they serve the same purpose as circuit connectors. Since we are only concerned with circuit connectors, this course will closely integrate Molex’s products and focus on circuit connectors and their applications.
Second, the difference between FFC connectors and FPC connectors and common types
FFC connector is a flexible flat cable connector, it is a PET insulation material and extremely thin tinned flat copper wire, through high-tech automated equipment production line pressed together into a new type of data cable, with a soft, arbitrary bending and folding, thin thickness, small size, simple connection. Thin thickness, small size, simple connection, easy disassembly, easy to solve the electromagnetic shielding (EMI). The following is mainly about the FFC connector and FPC connector what is the difference, and FFC connector commonly used to the type.
1.FFC connector and FPC connector differences
FFC connector is a flexible flat cable connector, FPC connector is a flexible printed circuit, from the manufacturing of their two connectors, then, the way they form the line is different: a. FFC is the use of the top and bottom of the two types of connectors.
a, FFC is a flat copper foil sandwiched between the upper and lower layers of insulating foil, the finished product is simpler and thicker.
b. FPC is chemically etched FCCL (Flexible Copper Clad Laminate) to get different single-sided, double-sided and multi-layer structure of flexible circuit boards.
In terms of price, naturally FFC connectors are much cheaper, if you consider the cost of production, more companies will prefer to use FFC connectors related to the design.
2.FFC connectors 7 common types
Type A: Both ends are connected and the reinforcement plate is attached to the insulating tape;
Type B: The reinforcement plates are crossed and directly attached to the insulation paper;
Type C: both ends are directly attached to the conductor;
Type D: both ends of the reinforcement plate crossed directly on the conductor;
Type E: one end of the reinforcement plate is pasted on the insulating tape, and the other end is directly soldered;
Type F: both ends of the reinforcement plate directly on the insulation tape, the internal half peeled;
Type G: direct soldering at both ends.
Overall, the development of today’s FFC connector technology presents the following characteristics: high-speed signal transmission and digitalization, integration of various types of signal transmission, miniaturization of the product size, miniaturization of the product’s low cost, contact termination method table paste, modular combination, easy plugging and unplugging, etc..
