Yes,we do have it,If customer needs lower PIM level such as 140 dBc, 150 dBc, 160 dBc, please visit our website page Low PIM Passive Components, where we specially list the low PIM attenuators, Low PIM Terminations, duplexers etc.
If not specified otherwise, the attenuators on our catalog is self-cooled.
We also offer convection & conduction combined cooled attenuators with custom package size. For example, to suit customer’s mounting rack, we have built 150 watts and 250 watts attenuators with flat bottom (refer to below photo).
When customer needs purely conduction cooled attenuators without any heat sink, check with our sales for your specific requirements.