DISCRETE SEMICONDUCTORS DATA SHEET Marking codes Small-signal field-effect transistors 1997 Dec 05 Supersedes data of 1995 Apr 12 File under Discrete Semiconductors, SC07 Philips Semiconductors Small-signal field-effect transistors Marking codes Types in SOT23, SOT89, SOT143 and SOT343 packages are marked with a code as listed in the following table. TYPE NUMBER MARKING CODE MARKING CODE TYPE NUMBER TYPE NUMBER MARKING CODE BF510 S6p BF991 M91 PMBF4391 p6J BF511 S7p BF992 M92 PMBF4392 p6K BF512 S8p BF992R M52 PMBF4393 p6G BF513 S9p BF994S MGp PMBF4416 p6A BF545A M65 BF996S MHp PMBF4416A M16 BF545B M66 BF998 MOp PMBF5484 p6B BF545C M67 BF998R MOp PMBF5485 p6M BF556A M84 BF998WR MB PMBF5486 p6H BF556B M85 BF1100 M56 PMBFJ108 p08 BF556C M86 BF1100R M57 PMBFJ109 p09 BF861A M33 BF1100WR MF PMBFJ110 p10 BF861B M34 BF1105 NEp PMBFJ111 p11 BF861C M35 BF1105R NAp PMBFJ112 p12 BF901 M01 BF1105WR NA PMBFJ113 p13 BF901R M02 BF1109 NFp PMBFJ174 p6X BF904 M04 BF1109R NBp PMBFJ175 p6W BF904R M06 BF1109WR NB PMBFJ176 p6S BF904WR MC BFR30 M1p PMBFJ177 p6Y BF908 M26 BFR31 M2p PMBFJ210 M68 BF908R M27 BFT46 M3p PMBFJ211 M69 BF908WR MD BSD22 M32 PMBFJ212 M70 BF909 M28 BSR56 M4p PMBFJ308 M08 BF909R M29 BSR57 M5p PMBFJ309 M09 BF989 MAp BSR58 M6p PMBFJ310 M10 BF990A M87 BSS83 M74 1997 Dec 05 2