Why wouldn't you use the transistor or the FET? An MMBT3904 or an N-channel FET is more suitable for this application than a 1G125. I would go with the MMBT3904 since you have a low voltage system. I used these to drive pager motors in a haptic compass. I am not sure about the duty-cycle of the motor but have you looked at the coin-cell life and the voltage dip when the motor is on? Make sure your coin-cells are rated for high pulse currents or factor the decreased battery life into your specification. (* jcl *) -- You can't create open hardware with closed EDA tools. twitter: [1]http://twitter.com/jluciani blog: [2]http://www.luciani.org
References 1. http://twitter.com/jluciani 2. http://www.luciani.org/
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