62674-251121ALF Connectors, Interconnects

Series:	SFV-S
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Flat Flex Type:	FFC, FPC
Mounting Type:	Surface Mount
Connector/Contact Type:	Contacts, Vertical, 1 Sided
Number of Positions:	25
Pitch:	0.020" (0.50mm)
Termination:	Solder
FFC, FCB Thickness:	0.30mm
Height Above Board:	0.161" (4.10mm)
Locking Feature:	Slide Lock
Cable End Type:	Straight, Tapered
Contact Material:	Phosphor Bronze
Contact Finish:	Gold
Housing Material:	Plastic, Glass Filled
Actuator Material:	Plastic, Glass Filled
Features:	Zero Insertion Force (ZIF)
Voltage Rating:	50V
Operating Temperature:	-55°C ~ 85°C
Material Flammability Rating:	UL94 V-0
Current Rating:	0.5A
Contact Finish Thickness:	--
Housing Color:	Black
Actuator Color:	Black
Mating Cycles:	20

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IntroductionFlat Flexible Connectors, commonly referred to as FFC or FPC, are an increasingly important component in a wide range of circuit applications –from communication and computing systems, to consumer electronics, medical equipment, and other industrial applications. They’re used to interconnect two printed circuit boards in a variety of configurations, with the common denominator being space savings. The FFC comes in a variety of shapes, sizes, and color coding, allowing designers to use FFCs for almost any application. The 62674-251121ALF is an example of a particular model of FFCs manufactured by Molex. In this article, we’ll take a closer look at the application field and working principle of this particular FFC.Application FieldThe 62674-251121ALF FFC is specifically designed for board-to-board interconnects in a wide variety of industries, including communications, computers, home entertainment electronics, consumer appliances, and medical equipment. This FFC provides reliable electrical performance, and enables fast, easy, and economical assembly due to its “pick and place” versatility. It can be used in a variety of configurations, including single-ended, and double-ended, while also providing high-speed data rates of up to 10 Gbs per pair. The 62674-251121ALF also offers low-profile performance, making it ideal for use in small spaces. This model has a standard signal pitch of 2mm and a length of 25mm.Working PrincipleThe 62674-251121ALF FFC has two main components: a flexible flat cable, and two sets of contacts. The flexible flat cable consists of thin, flat copper traces, each with an insulation layer. The contacts, which are usually made from stamped and formed phosphor bronze, require no lapping or polishing, allowing for an economical and reliable termination. The two sets of contacts are arranged in a “V” pattern, with the tension of these contacts being the key to the successful operation of the FFC. For each contact pair, a small amount of spring pressure is applied in order to ensure proper contact between the two contact sets. This tension is achieved through the use of a small retaining clip or “latch” which presses against the contacts at both ends of the FFC.ConclusionThe 62674-251121ALF FFC is a reliable, low-profile connector designed for use in a variety of applications, including communications, computers, home entertainment electronics, consumer appliances, and medical equipment. It has a standard signal pitch of 2mm and a length of 25mm, making it suitable for small spaces. Its two main components – flexible flat cable and two sets of contacts – work together to ensure reliable electrical performance with high-speed data rates of up to 10 Gbs per pair. The contacts are held in place by a small retaining clip, providing the necessary tension to ensure contact between the two contact sets.

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