SCR is a vulnerable parts, I hope
you spare parts,
Power debugging may puncture
SCR
This situation is not a product
problem, we are not responsible, I
hope you understand, thank you
There are slight welding marks on the circuit board, which do not affect the
use of the product. Please don't buy it if you mind.
The principle of silicon controlled rectifier. Vulnerable parts.
Matching is the use of links
SCR link
https://www.aliexpress.com/store/product/smd-fuse-5A-2510/2956052_32807761580.html?
spm=2114.12010615.0.0.iLVHsf
https://www.aliexpress.com/item/smd-fuse-5A-2010/32810619019.html?
spm=2114.01010208.3.1.rqS1p5&ws_ab_test=searchweb0_0,searchweb201602_4_10066_10152_10065_10151_10068_50
10018_10136_10137_10157_10060_10138_10155_10062_10156_437_10154_10056_10055_10054_10059_303_100031_
10099_10103_10102_10096_10147_10052_10053_10107_10050_10142_10051_5190018_10084_10083_10080_10082_1
0081_10110_519_10111_10112_10113_10114_10179_10183_10182_10185_10078_10079_10073_10123_142,searchweb2
01603_9,ppcSwitch_4&btsid=0634a184-864e-41b9-ac09-ee0c383fe30e&algo_expid=c4f6a828-a4ca-4ca8-9002-
32c8915d86cd-0&algo_pvid=c4f6a828-a4ca-4ca8-9002-32c8915d86cd
Switch link
https://www.aliexpress.com/store/product/Foot-pedal-switch-for-EKW-5A-B-spot-welding-
machine/2956052_32812522011.html?spm=2114.12010615.0.0.dMbC7x
Power voltage link
https://www.aliexpress.com/store/product/50pcs-lot-1300-16-audio-EI14-transformer-VOIP-telephone-
transformers/2956052_32807729529.html?spm=2114.12010615.0.0.CM5hoH
Spot welding pen
https://www.aliexpress.com/item/Small-RS232-temperature-and-humidity-sensor-temperature-sensor-RS485-temperature-
and-humidity-transmitter-MODBUS-communicatio/32811626116.html?
spm=2114.search0104.3.1.QJmNSh&ws_ab_test=searchweb0_0,searchweb201602_5_5460015_10152_10065_10151_100
68_10325_10326_5470015_10084_10083_10080_10307_10082_10081_10110_10137_10111_10060_10112_10155_10113
_10114_10179_10154_10056_10055_10054_10312_10313_10059_10314_100031_10099_10078_10079_5380015_10103
_10073_10102_10052_10053_10142_10107_10050_10051,searchweb201603_2,ppcSwitch_3&btsid=3454506c-6f75-4ff6-
a34e-4a43a42bf320&algo_expid=ac89d109-f303-4fd0-9e5f-913b60852f3d-0&algo_pvid=ac89d109-f303-4fd0-9e5f-
913b60852f3d
Shell link：
https://www.aliexpress.com/item/Spot-welder-case-spot-welder-DIY-fittings-double-deck-structure-bearing-strength-is-
very-strong/32835568371.html?
spm=2114.search0104.3.1.NdTgmD&ws_ab_test=searchweb0_0,searchweb201602_5_10152_10151_10065_10344_10068
_10342_10343_10059_10340_10314_10341_10534_100031_10084_10604_10083_10103_10307_10306_10302_10142,se
archweb201603_36,ppcSwitch_3&algo_expid=dafe7889-2c40-49d6-8aa6-9b19e942af89-0&algo_pvid=dafe7889-2c40-
49d6-8aa6-9b19e942af89&priceBeautifyAB=0
