I'm on the road right now so the best I can do is give you the part number of the one I use, and it is surface mount: Manufacturer: ECS Part Number: ECS-CR2-20.00-B If you search the piclist archive you may find the list of ones I tested for compatibility with PICs. But they are all surface mount. Cheers, Bob On Tue, 17 Jun 2008 22:37:55 +0100, "Tom=E1s =D3 h=C9ilidhe" said: > Could you give me a part number for one of these resonator thingies? = > I've used oscillators in college, there's basically just a function = > generator. I haven't use a resonator before though. I want something = > small and cheap. -- = http://www.fastmail.fm - And now for something completely different=85 -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist