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Home FR-4 PCB Board Keypad PCB Hard Gold Circuit Board Tg170 FR-4 With Green Solder Mask

Keypad PCB Hard Gold Circuit Board Tg170 FR-4 With Green Solder Mask

This is a type of double sided circuit board built on FR-4 substrate with Tg 170°C for the application of keypad.

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  • Price Range:1 - 50/$2.9
  • Price Range:1 - 50/$99
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Keypad PCB Hard Gold Circuit Board Built On Tg170 FR-4 With Green Solder Mask

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

1.1 General description

 It's 1.6 mm thick with white silkscreen(Taiyo) on green solder mask (Taiyo) and hard gold on pads. The base material is from Shengyi supplying 1 up PCB per panel. They're fabricated per IPC 6012 Class 2 using supplied Gerber data. Each 25 boards are packed for shipment.

1.2 Features and benefits    


1. Industrial standard material with high Tg (170℃ by DSC) and excellent thermal reliability;

2. Lead free assemblies with a maximum reflow temperature of 260℃;

3. SMT process is resistant to reflow soldering, resistant to rework;

4. Quick and on-time delivery;

5. ISO9001, ISO14001, UL certified manufacturing factory;

6. Competitive price;

7. No quality complaint is meant to save money;

8. Quick CADCAM checking and free PCB quotation.

Keypad PCB

1.3 PCB Specifications

Item Description Requirement Actual
Basic information Board type Double sided PCB Double sided PCB
Layer count 2 layers 2 layers
Board size 65 x 71mm=1UP 65 x 71mm=1UP
Laminate Laminate Type FR4 TG≧170: CTI:175V-249V FR4 TG≧170: CTI:175V-249V
Supplier / /
Tg TG≧170℃ TG≧170℃
Finished thickness 1.6+/-10% mm 1.57 mm
Plating Thickness PTH Cu thickness >20 um 22.13um
Inner layer Cu Thickness 1/1 OZ 1/1 OZ
Surface Cu thickness 35 um 45.1 um
Solder  Mask Material type LP-4G G-05 LP-4G G-05
Supplier Nan Ya Nan Ya
Color Green Green
Single / both sides Both Sides Both Sides
S/M thickness >=10.0 um 26.93 um
3M tape test NOPeel  Off no peel off
Legend Material type S-380W S-380w 
Supplier Tai yo Tai yo
Color White White 
Location Both Sides Both  Sides
3M tape test No peel off no peel off
Circuit Trace Width (mm) 0.203+/-20%mm 0.195mm
Spacing (mm) 0.203+/- 20%mm 0.199 mm
Electroplated Gold Nickel 100u" 112u"
Gold 10u" 11.11u"
Reliabilty Tests Thermal shock test 288±5℃, 10sec ,3 cycles NO Discolor , NO Delamination
solder abllity test 245±5℃ 100% wetting
Function Electrioal Test 100% pass
Standard IPC-A 600H class 2, IPC_6012C CLASS 2 100% Pass
Appearance Visual inspection 100% Pass
warp and twist <= 0.75% 0.26%
V-Groove V-Cut  thickness 0.4±0.1 mm 0.41mm
Angle 30+/- 5 30º
Drill table (mm) T1 PTH 0.508+/-0.075mm
T2 PTH 0.710+/-0.075mm
T3 NPTH 5.000+/-0.05mm

1.4 Applications

Electric Motor     

Bluetooth PC

DC To DC Converter

GPS Chip

USB Wlan Adapter

Rf Transceiver    

AC To DC Inverter

Controlled Access

Multicoupler Combiner

Fiber optic receptors  

1.5 Our PCB Capability (2022)

Parameter Value
 Layer Counts  1-32
 Substrate Material  RO4350B, RO4003C, RO4730G3, RO4360G2, RO4533, RO3003, RO3006, RO3010, RO3035, RO3203, RO3210; RT/Duriod 5880; RT/Duriod 5870, RT/Duriod 6002, RT/Duroid 6010, RT/duroid 6035HTC; TMM4, TMM10, Kappa 438; TLF-35; RF-35TC, RF-60A, RF-60TC, RF-35A2, RF-45, RF-10, TRF-45; TLX-0, TLX-6, TLX-7, TLX-8; TLX-9, TLY-3, TLY-5; PTFE F4B (DK2.2 DK2.65 DK2.85 DK2.94, DK3.0, DK3.2, DK3.38, DK3.5, DK4.0, DK4.4, DK6.15, DK10.2); AD450, AD600, AD1000, TC350; Nelco N4000, N9350, N9240; FR-4 ( High Tg S1000-2M, TU-872 SLK, TU-768, IT-180A etc.), FR-4 High CTI>600V; Polyimide, PET; Metal Core etc.
 Maximum Size  Flying test: 900*600mm, Fixture test 460*380mm, No test 1100*600mm
 Board Outline Tolerance  ±0.0059" (0.15mm)
 PCB Thickness 0.0157" - 0.3937" (0.40mm--10.00mm)
Thickness Tolerance(T≥0.8mm)  ±8%
Thickness Tolerance(t<0.8mm)  ±10%
 Insulation Layer Thickness 0.00295" - 0.1969" (0.075mm--5.00mm)
 Minimum Track 0.003" (0.075mm)
 Minimum Space  0.003" (0.075mm)
 Outer Copper Thickness  35µm--420µm (1oz-12oz)
 Inner Copper Thickness  17µm--350µm (0.5oz - 10oz)
 Drill Hole(Mechanical) 0.0059" - 0.25" (0.15mm--6.35mm)
 Finished Hole(Mechanical) 0.0039"-0.248" (0.10mm--6.30mm)
DiameterTolerance(Mechanical) 0.00295" (0.075mm)
 Registration (Mechanical) 0.00197" (0.05mm)
 Aspect Ratio  12:1
 Solder Mask Type  LPI
 Min Soldermask Bridge 0.00315" (0.08mm)
 Min Soldermask Clearance 0.00197" (0.05mm)
 Plug via Diameter 0.0098" - 0.0236" (0.25mm--0.60mm)
Impedance Control Tolerance  ±10%
 Surface Finish HASL,HASL LF,ENIG,Imm Tin,Imm Ag, OSP, Gold Finger




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