制造商目录 浏览和搜索电子元器件制造商信息 制造商列表 B bluegiga blundell-files bm-polyco bofa bopla 罗伯特·博世有限公司bosch boss boss-enclosures bost bostik bott bp-solar brad-harrison brainboxes brand-rex brannan brano brauer brennenstuhl britool 兄弟集团brother brown broyce-control bsi-(brilliance semiconductor) b-tech burndy-fci burr-brown 库柏bussmann butterworth-heinemann bonitron burle bias-power busboard-prototype beagleboard bytecraft burgess-switch bolymin bsi band-it batronix blaze bolle-safety brendes barcel-cdt breyden-products-inc buglabs bachmann baco bailey bando-densen bce-sud bedea bellnix berusuta-kennmazai-kougyou bg-plastic-accessories bhc-aerovox bird-electronic bitran bjb blackbox-network-services bohtech 帛汉bothhand bourqui bps brilliance-semiconductor bruno-baldassari bujeon-components berk-tek blonder-tongue brothers-electronics