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<title><![CDATA[EC21 Product Catalogs - size 4mm]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/size-4mm--10120399/1/size 4mm.html]]></link><item>
<title><![CDATA[Power Supply Equipment PCBA]]></title><link><![CDATA[https://pcbpcbaseller.en.ec21.com/Power-Supply-Equipment-PCBA--10961296_12020322.html]]></link><description><![CDATA[PCBA
Application Power supply equipment CHIP Size 0402 QFP Pin Spacing 0.4mm QFN Pin Spacing 0.4mm Package Type Tape package, Tay tray package, Pipe package
]]></description><pubDate><![CDATA[20241024]]></pubDate></item>
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<title><![CDATA[Pressure Sensor Medical Electronic Care Device PCB Board Assembly]]></title><link><![CDATA[https://avpcb.en.ec21.com/Pressure-Sensor-Medical-Electronic-Care--12017667_12017668.html]]></link><description><![CDATA[4MM/0.6MM/0.8MM/1MM/1.6MM
Other attributes
Model Number
Place of Origin Guangdong, China
Copper Thickness 0.5OZ/1OZ
Min. Hole Size 0.075mm
Min. Line Width 0.075mm
Min. Line Spacing 0.075mm
Surface Fi]]></description><pubDate><![CDATA[20241015]]></pubDate></item>
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<title><![CDATA[China PCB Factory Electronic Circuit Board Assembly HASL Lead Free PCB Assembly Service PCBA]]></title><link><![CDATA[https://xubo783156718.en.ec21.com/China-PCB-Factory-Electronic-Circuit--11984085_12004964.html]]></link><description><![CDATA[4mm
Thickness Tolerance
±10%
Min Hole Size
0.1mm (4 mil)
Copper Thickness
0.5 OZ-3OZ (18 um-385 um)
Copper Plating hole
18um-30um
Min Trace Width
0.075mm (3mil)
Min Space Width 
0.1mm (4 mil)
Surfac]]></description><pubDate><![CDATA[20240914]]></pubDate></item>
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<title><![CDATA[China OEM/ODM PCBA Experts in Customized Electronics Motherboards Assembly Inverter LED PCB SMT PCBA]]></title><link><![CDATA[https://sncpcb.en.ec21.com/China-OEM-ODM-PCBA-Experts--11979593_11981134.html]]></link><description><![CDATA[4mm-4mmMax.finished board side 1020mm*1000mmMin.drilled hole size 0.25mmMin.line width 0.10mm(4mil)Min.line spaceing 0.10mm(4mil)Surface finish/treatment HASL/HASL lead free,Chemical tin,Chemical Gol]]></description><pubDate><![CDATA[20240806]]></pubDate></item>
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<title><![CDATA[SCM200 M2M Chip Personalization Machine]]></title><link><![CDATA[https://piotecglobal.en.ec21.com/SCM200-M2M-Chip-Personalization-Machine--11883003_11883025.html]]></link><description><![CDATA[4mm.
High Compatibility
Supports production of chips of up to a dozen different sizes, and switching between different chip specifications takes only 20 minutes.
Supports two ways of feeding: tray an]]></description><pubDate><![CDATA[20240103]]></pubDate></item>
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<title><![CDATA[PCBA for Power Supply Equipment]]></title><link><![CDATA[https://kingcrediepcb.en.ec21.com/PCBA-for-Power-Supply-Equipment--11864953_11864962.html]]></link><description><![CDATA[PCBA
Application Power supply equipment CHIP Size 0402 QFN Spacing 0.4mm QFN Spacing 0.4mm Package Type Tape package, Tay tray package, Pipe package
]]></description><pubDate><![CDATA[20231110]]></pubDate></item>
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<title><![CDATA[ODM Gold Finger PCB Board Fabrication High TG FR4 PCBA for Industrial Field]]></title><link><![CDATA[https://pcbboardfabrication.en.ec21.com/ODM-Gold-Finger-PCB-Board--11776872_11776873.html]]></link><description><![CDATA[4mm-5.0mmBoard sideMin 6*6mm Max 600*700mmMin.drilled hole size0.25mmMin.line width0.075mm(3mil)Min.line spaceing0.075mm(3mil)Surface finish/treatmentElectroless/immersion gold/ENIG/Immersion silver/]]></description><pubDate><![CDATA[20230426]]></pubDate></item>
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<title><![CDATA[FR4 Base LED PCB Circuit Board 1oz Copper 3/3MIL Min Line]]></title><link><![CDATA[https://electronicpcbboard.en.ec21.com/FR4-Base-LED-PCB-Circuit--11895685_11895686.html]]></link><description><![CDATA[4mm;6 layers:0.6mm;8layers:0.8mmMAX Board size610*1200mm610*1200mmMax copper thickness0.5-6oz0.5-6ozImmersion Gold/Gold Plated ThicknessImmersion Gold:Au,1—8u”Gold finger:Au,1—150u”Gold Plate]]></description><pubDate><![CDATA[20240131]]></pubDate></item>
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<title><![CDATA[Power Supply PCBA Equipment]]></title><link><![CDATA[https://hjl39506147520.en.ec21.com/Power-Supply-PCBA-Equipment--11890882_11891798.html]]></link><description><![CDATA[Application
Power
supply equipment
CHIP Size
0402
QFN Spacing
0.4mm
QFN Spacing
0.4mm 
Package Type
Tape
package, Tay tray package, Pipe package]]></description><pubDate><![CDATA[20240122]]></pubDate></item>
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<title><![CDATA[Sale NEW Bambu Lab X1 Carbon Combo I 3D Printer I EDU Bundle - Best Price]]></title><link><![CDATA[https://link3d.en.ec21.com/Sale-NEW-Bambu-Lab-X1--11840187_11840209.html]]></link><description><![CDATA[size 480 × 480 × 590 mm³,Net weight 14.13 kg, Gross weight(AMS included) 22.3 kgElectrical Requirements 100-240 VAC, 50/60 H, 1000W@220V, 350W@110VINCLUDED :Bambu Lab x1 CarbonBambu Lab AMSBuild P]]></description><pubDate><![CDATA[20230831]]></pubDate></item>
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<title><![CDATA[Half Hole &amp; Through Hole PCB]]></title><link><![CDATA[https://hhcircuits.en.ec21.com/Half-Hole-Through--11798970_11798971.html]]></link><description><![CDATA[size of the drill nozzle for drilling the half hole depends on the spacing of the contour lines.
Draw the solder mask film, use the gong space as a stop point and open the window to increase 4mil tre]]></description><pubDate><![CDATA[20230530]]></pubDate></item>
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<title><![CDATA[Red Soldermask Industry Control Electronics PCB Assembly]]></title><link><![CDATA[https://ucreatepcb123.en.ec21.com/Red-Soldermask-Industry-Control-Electronics--11761239_11786592.html]]></link><description><![CDATA[size
0.3mm*0.2mm
Max panel size
200mm*125mm＜SMD
component thickness
6.5mm＜T≤15mm
Min pin space
0.3mm≤Pitch＜0.4mm
Min ball space
0.3mm≤Pitch＜0.5mm
PCB DIP Min thickness
T＜0.8mm
PCB DIP]]></description><pubDate><![CDATA[20230510]]></pubDate></item>

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