㈠Features：
  Ⅰ Good heat-durability,low temperature coefficient ,
     low noise, high overload power
  Ⅱ Use environment temperature:-55℃~+155℃
㈡Constructions:

㈢Power Rating：

  5W,7W,10W,15W,20W
㈣Tolerance：

  J±5%，F±1%，G±2%
㈤T.C.R：

  core wrap: -300ppm/℃≤ a ≤+300ppm/℃
  Oxide core: -350ppm/℃≤ a ≤+350ppm/℃