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Datasheets BF660, BF747, BF770, BF775, BF799, BF820, BF821, BF822, BF823, BF998, BFG10, BFG11, BFG21, BFG25, BFG310, BFG403, BFG410, BFG425, BFG480, BFG505, BFG520, BFG540.