501951-4500

Cable End Type:	Straight, Tapered
Mating Cycles:	--
Actuator Color:	Brown
Housing Color:	White
Contact Finish Thickness:	--
Current Rating:	0.4A
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-25°C ~ 85°C
Voltage Rating:	50V
Features:	--
Actuator Material:	Polyamide (PA9T), Nylon 9T, Glass Filled
Housing Material:	Liquid Crystal Polymer (LCP), Glass Filled
Contact Finish:	Tin Bismuth
Contact Material:	Copper Alloy
Series:	Easy-On™ 501951
Locking Feature:	Flip Lock
Height Above Board:	0.159" (4.04mm)
FFC, FCB Thickness:	0.30mm
Termination:	Solder
Pitch:	0.020" (0.50mm)
Number of Positions:	45
Connector/Contact Type:	Contacts, Vertical, 1 Sided
Mounting Type:	Surface Mount
Flat Flex Type:	FFC, FPC
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Flat Flexible Connectors (FFC) and Flexible Printed Circuit (FPC) connectors are electrically conductive leads that interconnect electronic devices and circuits. These connectors offer high reliability and contact integrity, making them the preferred choice for many automotive, military, and computer applications. FFC and FPC connectors are engineered for high-speed data transmission, low-profile designs, and superior signal integrity.

Application Field and Working Principle

FFCs are used for flexible flat cable connections, backplanes, sensors, pin-in-paste applications, and printed circuit board-to-board mating. FPCs are mainly used as flexible interconnections between printed circuit boards. Both FFCs and FPCs are used in applications requiring very small and highly reliable connections.FFCs are generally built in such a way that they can be easily handled and simple to connect. They are usually inserted into a mating connector with the use of a latch, which ensures that connection is robust and secure. The contacts of FFCs are made of a gold-plated alloy, which is corrosion resistant and provides a reliable electrical connection. FPCs, on the other hand, use a compliant pin contact system with a stainless steel clip. This provides an even more secure connection with reliable electrical contact.

Design Considerations

When designing FFC and FPC connectors, a few design parameters must be considered. The number of contacts, the pitch of the contact, and the contact length are all important factors when considering the design. Other considerations include contact material, contact plating, and cable termination type. It is important to choose a connector that meets the application requirements including temperature, current, insulation, and voltage requirements.

Advantages of Using FFC/FPC Connectors

FFCs and FPCs offer many advantages including a low profile design, high data bandwidth, and reliable contact integrity. The flexibility of the connectors also helps reduce equipment size, as well as simplify layout designs. FFCs and FPCs can also be used in high vibration and high temperature applications.Another advantage of using FFC/FPC connectors is the simplified installation. These connectors are easy to install, as all that is required is to push the connector into the mating backshell. The connectors are equally easy to remove, as the latch on the mating backshell can be released to unlock the connector from the backshell.

Conclusion

FFCs and FPCs are a reliable and efficient solution for interconnecting electronic devices, circuits, and systems. These connectors offer superior signal integrity, high-speed data transmission, and low-profile designs. FFCs and FPCs have become the preferred choice for many automotive, military, and computer applications. With their simple installation and removal, FFCs and FPCs are cost effective and reliable solutions for any application.

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