We are looking for a factory to supply us with MOSFET chip Toshiba K2837 we will consider clones but it will depend on price and stability, Our customer need the most stable MOSFET because these fail often so if you know of a more stable unit that will be better than the Toshiba K2837 let us know so we may test.Please send us the best product you have and send price per 100 units, we will order 300 to 1000 per order.Country:United States