... PCB for its small size and light.2,Operating ambient temperature: -55 to +125.3,High credibility:the thick metal film ... .4,The appearance dimension is symmetrical and accurate for easy assembly.5,Resistance tolerance: ±0.1%,±0.25%,±0.5% Performance Test ... +0.05R)Resistance to soldering heat R≤±(1% R0+0.05R)Solerability The soldering area is over 95%Temperature cycling R≤±(0 ...