小机机有问题(完工有图)

元件:变压器EI30,一对1405,3525驱动,变压器初级3T+3T 0.4线12条*2 次级175T,桥整.后级还没做.现在问题是空载电流400毫安,频率25K,管子有点热(没加散热片)按说不会有温度,我是空载,空载电流也不高呀,我以前做的机空载时没散热片一点温度都没有.大家帮我出出主意.用2个200W的灯串联亮过市电,只能点3秒钟,没加散热片不敢点久,管子就有点烫手了.
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后级用单硅,硅1225  电容225CBB21  电感是节能灯里用的磁芯带气隙,带两个200W的灯还有市电亮(灯是串联)昨晚去试机了,效果还可以,罗非鱼照打,频率1到120hz,昨晚用了1个钟机没什么温升.