The tmr 2wi series are dcdc converters with 2 w output power regulated outputs and an ultra wide 0401 input range of 9 36 vdc or 18 75 vdc these are placed in an ultra compact sil 9 plastic casing the very high degree of efficiency of 84 enables a working temperature range of 40 c to 75 c at full load other features are the external onoff function and the short circuit resistance typical applications for these ultra compact converters are in the field of battery operated devices de