描述
当输出口连接电感类设备时，为了防止电路关断时刻产生高压对输入、输出口造成破坏，应在感性元件两端加保护元件。对于直流电源，应并接续流二极管，对于交流电路应并接阻容电路。阻容电路中电阻可取51～120Ω，电容取0.1～0.47μF，电容的额定电压应大于电源的峰值电压。续流二极管可选1A的管子，其额定电压应大于电源电压的3倍。
ANRITSU THERMO PRINTER AP-210 E 200-800deg
LANDMARK GRAPHIC LMG PROCESSOR EMISSIVITY MEASURE
HP/Agilent 3746A Selective Level Measuring Set OPT 013
OMRON SYSMAC C200H CPU01-E W/ C200H-MR831 MEMORY UNIT.
OMRON SYSMAC C200H CPU01-E WITH C200H-MR831 MEMORY UNIT
NIB EPSON SPARE LAMP ELPLP15 REPLACEMENT PROJECTOR LAMP
OMRON SYSMAC CQM1 CPU21 PA203 W/ ID212 & OD212
MEIJI EMT STEREO MICROSCOPE 87408
