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Home Flexible Printed Circuit Flexible Printed Circuit FPC on Polyimide with 90ohm Impedance Controlled

Flexible Printed Circuit FPC on Polyimide with 90ohm Impedance Controlled

This is a type of flexible PCB built on polyimide 76 micron substrate with 90 ohm impedance controlled on 0.15mm/0.3mm track and gap for the application of USB Connector.


  • Item NO.:

    BIC-262-v65.0
  • Order(MOQ):

    1-10
  • Payment:

    T/T
  • Price Range:1 - 50/$99
  • Price Range:1 - 50/$1.9
  • Product Origin:

    China
  • Shipping Port:

    Shenzhen
  • Lead Time:

    7-10 days
  • Product Detail


Flexible Printed Circuit FPC on Polyimide with 90ohm Impedance Controlled

(Flexible printed circuits are custom-made products, the picture and parameters shown are just for reference)


General description:


It's standard 0.20 mm thick with yellow solder mask (coverlay) on both sides and immersion gold are on pads. FR-4 as stiffener is on the head and tail. The base material is used from Shengyi, entire board supplying 1 up flex per panel. They're fabricated per IPC 6012 Class 2 using supplied Gerber data. Each 25 pieces are packed for shipment.


90 ohm Impedance Test


Parameter and data sheet:


PCB Size: 196 X 35mm = 1 PCS
Number of Layers 2 layers
Board Type Flexbile PCB
Board Thickness 0.2mm +/-10%
Stackup TOP FR-4 Steffener 0.8mm
PI coverlay 0.025mm
Copper top 0.035mm finish
Polyimide substrate 0.076mm
Copper top 0.035mm finish
PI coverlay 0.025mm
Board Material Supplier Shengyi
Tg Value of Board Material  60℃
PTH Cu thickness 20 um
Inner Iayer Cu thicknes N/A
Surface Cu thickness 35 um (1oz)
Coverlay Colour Yellow
Number of Coverlay 2
Thickness of Coverlay 25 um
Stiffener FR-4 0.8mm
Type of Silkscreen Ink N/A
Supplier of Silkscreen N/A
Color of Silkscreen N/A
Number of Silkscreen N/A
Minimum via (mm) 0.3
Minimum Trace (mil) 5.90
Minimum Gap(mil) 11.8
Surface Finish Immersion Gold
RoHS Required Yes
Famability 94-V0
Thermal Shock Test Pass, -25℃±125℃, 1000 cycles. 
Thermal Stress Pass, 300±5℃,10 seconds, 3 cycles. No delamination, no blistering.
Function  100% Pass electrical test
Workmanship Compliance with IPC-A-600H & IPC-6013C Class 2
Type of artwork to be supplied email file, Gerber RS-274-X, PCBDOC etc
Service area Worldwide, Globally.


Impedance Contrlled FPC


Features and benefits:

    

Excellent flexibility;

Reducing the volume;

Weight reduction;

Consistency of assembly;

Increased reliability;

Powerful PCB capabilities support your research and development, sales and marketing;

Delivery on time with higher than 98% on-time-delivery rate;

Team with passion, discipline, responsibility and honesty;

No minimum order quantity. 1 piece is available;


Applications:


Flexible flat cable, Industrial control temperature controller soft board, medical equipment controller, automobile GPS navigation flex board, tablet keypad flex board, display backlight


1.5 Single ended (line) impedance, Differential impedance

Definition of Characteristic Impedance

At a certain frequency, relative to a reference layer, the resistance of its high-frequency signals or electromagnetic waves in the process of transmission is called the characteristic impedance, which is the vector summation of electrical impedance, inductive reactance, capacitance resistance.


The classification of characteristic impedance

Common characteristic impedance is divided into:(1)Single ended (line) impedance; (2) Differential impedance and (3) coplanar impedance, etc.


Single ended impedancerefers to the measured impedance of a single signal line. Differential impedancerefers to the impedance measured between the two transmission lines with equivalent width and spacing in differential drive.Coplanar impedancerefers to the impedance measured when the signal line is transmitting between its surrounding GND / VCC (the space between the signal line to GND / VCC on both sides is equal).


differential impedance


The Determinant Condition Required for Impedance Control

When the signal is transmitted in the PCB conductor, if the length of conductor is close to the 1/7 of the signal wavelength, then the conductor at this time becomes a signal transmission line, the other general signal transmission lines are required to be done with impedance control. Whether it is required to control the impedance in PCB production is based on the customer's requirement, if the customer requires that a certain line width need to be done with impedance control, it is required to control the impedance of the line width in production.Three basic elements of impedance match are the output impedance (the original active parts), the characteristic impedance (signal line), the input impedance (passive parts) (PCB board)


More Impedance Controlled Flexible Circuit (FPC)


More Impedance FPC

More Impedance FPC

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