FREE 2 layers prototype circuit board for NEW CUSTOMER NEW CUSTOMER is entitled FREE 10 pcs 2 layers circuit board. We offer FR4 PCB 1.6 mm, size within 100 x 100 mm, 1oz, Pb Free HAL, solder mask, silkscreen E-TEST or USD 20 order discount . Deliv
Wisdom Shining Electronic Technology China Limited,which supply YAMAHA valve,and the details are as below, KM5-M7174-11X YAMAHA VALVE AME05-E2-PSL-13W KV8-M7162-10X YAMAHA VALVE A040-4E1-56W KM1-M7162-11X YAMAHA VALVE A040-4E1-54W KM1-M7163-30X Y
Electronics Forum | Wed Jun 10 17:30:44 EDT 1998 | FAC
When creating part data�s for BGA or QFP style components, the line scan camera will be utilized (Camera No. 4). Using a Single nozzle type placing head, a nozzle capable of sufficient vacuum, and front lighting the part can achieve placement of a 74
Used SMT Equipment | In-Circuit Testers
Advantest Q8384-25OPTICAL SPECTRUM ANALYZER The Advantest Q8384 is a used Optical Spectrum Analyzer that uses a new monochromator and features a high dynamic range and a high wavelength resolution.Product Specs: High-wavelength resolution of 10 pm Hi
Used SMT Equipment | In-Circuit Testers
Anritsu ME3620A Analyzer SDH/SONET ANALYZER The ME3620A can access the Network Node Interface (NNI) of Synchronous Multiplexer/Demultiplexer systems in the world at 52, 156, 622, and 2488 Mb/s. The transmitter and receiver are housed in separ
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Parts & Supplies | Pick and Place/Feeders
JUKI 2070 2080 FX-3 BALL SCREW 40044583 BLK0606SM-3G1+155LC5M More information about Products please Contact US at jenny@ksunsmt.com or visit www.ksunsmt.com
Parts & Supplies | SMT Equipment
YAMAHA YG12 YS12 YS24 JA10AA-21W Valves Part Number : KHY-M7153-002 Yamaha Feeder Valve Yamaha Air Valve A010E1-37W KM1-M7163-20X Yamaha Air Valve A010E1-54W KM1-M7163-21X Yamaha Air Valve A010E1-44W KM1-M7163-30X Yamaha Valve A010E1-35W KM1-
Technical Library | 2021-10-20 18:21:06.0
The solderability of the SAC305 alloy in contact with printed circuit boards (PCB) having different surface finishes was examined using the wetting balance method. The study was performed at a temperature of 260 _C on three types of PCBs covered with (1) hot air solder leveling (HASL LF), (2) electroless nickel immersion gold (ENIG), and (3) organic surface protectant (OSP), organic finish, all on Cu substrates and two types of fluxes (EF2202 and RF800). The results showed that the PCB substrate surface finish has a strong effect on the value of both the wetting time t0 and the contact angle h. The shortest wetting time was noted for the OSP finish (t0 = 0.6 s with EF2202 flux and t0 = 0.98 s with RF800 flux), while the ENIG finish showed the longest wetting time (t0 = 1.36 s with EF2202 flux and t0 = 1.55 s with RF800 flux). The h values calculated from the wetting balance tests were as follows: the lowest h of 45_ was formed on HASL LF (EF2202 flux), the highest h of 63_ was noted on the OSP finish, while on the ENIG finish, it was 58_ (EF2202 flux). After the solderability tests, the interface characterization of cross-sectional samples was performed by means of scanning electron microscopy coupled with energy dispersive spectroscopy.
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