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Bipolar Transistors

Explore bipolar transistors with complete handbook parameters, package options and cross references.

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Digital Transistors

BI Part NumberCross ReferenceFunctionPolarityPower dissipation (W)Collector current (A)Voltage rating (V)Current gainOn voltage (V)R1 (kΩ)R2 (kΩ)Package
BI114ECW—Digital TransistorsPNPNPN0.150.1505030300.30.310101010SOT-563
BI114EDW—Digital TransistorsPNPNPN0.150.1505030300.30.310101010SOT-363
BI114YCW—Digital TransistorsPNPNPN0.150.1505068680.30.310104747SOT-563
BI114YDW—Digital TransistorsPNPNPN0.150.1505068680.30.310104747SOT-363
BI123JCW—Digital TransistorsPNPNPN0.150.1505080800.30.32.22.24747SOT-563
BI123JDW—Digital TransistorsPNPNPN0.150.1505080800.30.32.22.24747SOT-363
BI124ECW—Digital TransistorsPNPNPN0.150.1505056560.30.322222222SOT-563
BI124EDW—Digital TransistorsPNPNPN0.150.1505056560.30.322222222SOT-363
BI143TCW—Digital TransistorsPNPNPN0.150.150501001000.30.34.74.7—SOT-563
BI143TDW—Digital TransistorsPNPNPN0.150.150501001000.30.34.74.7—SOT-363
BI143ZCW—Digital TransistorsPNPNPN0.150.1505080800.30.34.74.74747SOT-563
BI143ZDW—Digital TransistorsPNPNPN0.150.1505080800.30.34.74.74747SOT-363
BI144ECW—Digital TransistorsPNPNPN0.150.1505068680.30.347474747SOT-563
BI144EDW—Digital TransistorsPNPNPN0.150.1505068680.30.347474747SOT-363
BITA114E—Digital TransistorsPNP0.20.150300.31010SOT-23
BITA114ECW—Digital TransistorsDual PNP0.150.150300.31010SOT-563
BITA114EG—Digital TransistorsPNP0.20.150300.31010SOT-323
BITA114EH—Digital TransistorsPNP0.10.150300.31010SOT-723
BITA114ET—Digital TransistorsPNP0.150.150300.31010SOT-523
BITA114TDW—Digital TransistorsDual PNP0.150.1501000.310—SOT-363
BITA114Y—Digital TransistorsPNP0.20.150680.31047SOT-23
BITA114YCW—Digital TransistorsDual PNP0.150.150680.31047SOT-563
BITA114YG—Digital TransistorsPNP0.20.150680.31047SOT-323
BITA114YT—Digital TransistorsPNP0.150.150680.31047SOT-523
BITA123E—Digital TransistorsPNP0.20.150200.32.22.2SOT-23
BITA123EG—Digital TransistorsPNP0.20.150200.32.22.2SOT-323
BITA123ET—Digital TransistorsPNP0.150.150200.32.22.2SOT-523
BITA123J—Digital TransistorsPNP0.20.150800.32.247SOT-23
BITA123JG—Digital TransistorsPNP0.20.150800.32.247SOT-323
BITA123JT—Digital TransistorsPNP0.150.150800.32.247SOT-523
BITA124E—Digital TransistorsPNP0.20.150560.32222SOT-23
BITA124EG—Digital TransistorsPNP0.20.150560.32222SOT-323
BITA124ET—Digital TransistorsPNP0.150.150560.32222SOT-523
BITA143TDW—Digital TransistorsDualPNP0.150.1501000.34.7—SOT-363
BITA143Z—Digital TransistorsPNP0.20.150800.34.747SOT-23
BITA143ZG—Digital TransistorsPNP0.20.150800.34.747SOT-323
BITA143ZT—Digital TransistorsPNP0.150.150800.34.747SOT-523
BITA144E—Digital TransistorsPNP0.20.150680.34747SOT-23
BITA144EG—Digital TransistorsPNP0.20.150680.34747SOT-323
BITA144ET—Digital TransistorsPNP0.150.150680.34747SOT-523
BITC113Z—Digital TransistorsNPN0.20.150330.3110SOT-23
BITC113ZG—Digital TransistorsNPN0.20.150330.3110SOT-323
BITC113ZT—Digital TransistorsNPN0.150.150330.3—10SOT-523
BITC114E—Digital TransistorsNPN0.20.150300.31010SOT-23
BITC114ECW—Digital TransistorsDual NPN0.150.150300.31010SOT-563
BITC114EDW—Digital TransistorsDual NPN0.150.150300.31010SOT-363
BITC114EG—Digital TransistorsNPN0.20.150300.31010SOT-323
BITC114EH—Digital TransistorsNPN0.10.150300.31010SOT-723
BITC114ET—Digital TransistorsNPN0.150.150300.31010SOT-523
BITC114T—Digital TransistorsNPN0.20.1501000.310—SOT-23
BITC114TCW—Digital TransistorsDual NPN0.150.1501000.310—SOT-563
BITC114TDW—Digital TransistorsDualNPN0.150.1501000.310—SOT-363
BITC114TG—Digital TransistorsNPN0.20.1501000.310—SOT-323
BITC114TT—Digital TransistorsNPN0.150.1501000.310—SOT-523
BITC114Y—Digital TransistorsNPN0.20.150680.31047SOT-23
BITC114YCW—Digital TransistorsDual NPN0.150.150680.31047SOT-563
BITC114YDW—Digital TransistorsDual NPN0.150.150680.31047SOT-363
BITC114YG—Digital TransistorsNPN0.20.150680.31047SOT-323
BITC114YT—Digital TransistorsNPN0.150.150890.31047SOT-523
BITC123E—Digital TransistorsNPN0.20.150200.32.22.2SOT-23
BITC123EG—Digital TransistorsNPN0.20.150200.32.22.2SOT-323
BITC123ET—Digital TransistorsNPN0.150.150200.32.22.2SOT-523
BITC123J—Digital TransistorsNPN0.20.150800.32.247SOT-23
BITC123JCW—Digital TransistorsDual NPN0.150.150800.32.247SOT-563
BITC123JDW—Digital TransistorsDual NPN0.150.150800.32.247SOT-363
BITC123JG—Digital TransistorsNPN0.20.150800.32.247SOT-323
BITC123JT—Digital TransistorsNPN0.150.150800.32.247SOT-523
BITC123Y—Digital TransistorsNPN0.20.150330.32.210SOT-23
BITC123YG—Digital TransistorsNPN0.20.150330.32.210SOT-323
BITC123YT—Digital TransistorsNPN0.150.150330.32.210SOT-523
BITC124E—Digital TransistorsNPN0.20.150560.32222SOT-23
BITC124ECW—Digital TransistorsDual NPN0.150.150560.32222SOT-563
BITC124EDW—Digital TransistorsDual NPN0.150.150560.32222SOT-363
BITC124EF—Digital TransistorsNPN0.250.150560.32222DFN1006-3L
BITC124EG—Digital TransistorsNPN0.20.150560.32222SOT-323
BITC124ET—Digital TransistorsNPN0.150.150560.32222SOT-523
BITC143E—Digital TransistorsNPN0.20.150200.34.74.7SOT-23
BITC143EG—Digital TransistorsNPN0.20.150200.34.74.7SOT-323
BITC143ET—Digital TransistorsNPN0.150.150200.34.74.7SOT-523
BITC143T—Digital TransistorsNPN0.20.1501000.34.7—SOT-23
BITC143TCW—Digital TransistorsDual NPN0.150.1501000.34.7'SOT-563
BITC143TDW—Digital TransistorsDualNPN0.150.1501000.34.7—SOT-363
BITC143TG—Digital TransistorsNPN0.20.1501000.34.7—SOT-323
BITC143TT—Digital TransistorsNPN0.150.1501000.34.7—SOT-523
BITC143X—Digital TransistorsNPN0.20.150300.34.710SOT-23
BITC143XG—Digital TransistorsNPN0.20.150300.34.710SOT-323
BITC143XT—Digital TransistorsNPN0.150.150300.34.710SOT-523
BITC143Z—Digital TransistorsNPN0.20.150800.34.747SOT-23
BITC143ZDW—Digital TransistorsDual NPN0.150.150800.34.747SOT-363
BITC143ZG—Digital TransistorsNPN0.20.150800.34.747SOT-323
BITC143ZH—Digital TransistorsNPN0.10.150800.34.747SOT-723
BITC143ZT—Digital TransistorsNPN0.150.150800.34.747SOT-523
BITC144E—Digital TransistorsNPN0.20.150680.34747SOT-23
BITC144ECW—Digital TransistorsDual NPN0.150.150680.34747SOT-563
BITC144EDW—Digital TransistorsDual NPN0.150.150680.34747SOT-363
BITC144EG—Digital TransistorsNPN0.20.150680.34747SOT-323
BITC144ET—Digital TransistorsNPN0.150.150680.34747SOT-523
BITC144TDW—Digital TransistorsDual NPN0.150.1501000.347—SOT-363

General-purpose Bipolar Transistors

BI Part NumberCross ReferenceFunctionPower dissipation (W)Collector current (A)VCBO (V)VCEO (V)VEBO (V)DC current gainTransition frequency (MHz)PolarityPackage
BIT424TPBSS424TGeneral-purpose Bipolar Transistors0.3250405300~100NPNSOT-23
BIT491FMMT491General-purpose Bipolar Transistors0.3180605100~300150NPNSOT-23
BIT49APMMT49AGeneral-purpose Bipolar Transistors0.3160405300~900150NPNSOT-23
BIT8050HMultiple handbook listingsS8050H / SS8050HGeneral-purpose Bipolar TransistorsListing 10.3Listing 20.32Listing 10.8Listing 21.540255200~350Listing 1150Listing 2100NPNSOT-23
BIT8050LMultiple handbook listingsS8050L / SS8050LGeneral-purpose Bipolar TransistorsListing 10.3Listing 20.32Listing 10.8Listing 21.540255Listing 1120~200Listing 2100~200Listing 1150Listing 2100NPNSOT-23
BIT9013S9013General-purpose Bipolar Transistors0.30.540255120~350150NPNSOT-23
BITP1037Q2SA1037QGeneral-purpose Bipolar Transistors0.2-0.15-60-50-6120~270140PNPSOT-23
BITP1037R2SA1037RGeneral-purpose Bipolar Transistors0.2-0.15-60-50-6180~390140PNPSOT-23
BITP1197P2SB1197PGeneral-purpose Bipolar Transistors0.2-0.8-40-32-580~180100PNPSOT-23
BITP1197Q2SB1197QGeneral-purpose Bipolar Transistors0.2-0.8-40-32-5120~270100PNPSOT-23
BITP1197R2SB1197RGeneral-purpose Bipolar Transistors0.2-0.8-40-32-5180~390100PNPSOT-23
BITP1198R2SB1198RGeneral-purpose Bipolar Transistors0.2-0.5-100-80-5180~390180PNPSOT-23
BITP807Q2BC807QGeneral-purpose Bipolar Transistors0.3-0.5-50-45-5100~250100PNPSOT-23
BITP812M42SA812M4General-purpose Bipolar Transistors0.2-0.1-60-50-590~180180PNPSOT-23
BITP812M52SA812M5General-purpose Bipolar Transistors0.2-0.1-60-50-5135~270180PNPSOT-23
BITP812M62SA812M6General-purpose Bipolar Transistors0.2-0.1-60-50-5200~400180PNPSOT-23
BITP9014S9014General-purpose Bipolar Transistors0.20.150405200~560300PNPSOT-23

NPN Transistors

BI Part NumberCross ReferenceFunctionPower dissipation (W)Collector current (A)VCBO (V)VCEO (V)VEBO (V)DC current gainTransition frequency (MHz)Package
BITA16232SC1623ANPN Transistors0.20.160505120~270250SOT-23
BITA817BC817ANPN Transistors0.30.550455100~250100SOT-23
BITA818BC818ANPN Transistors0.30.530255100~250170SOT-23
BITA846BC846ANPN Transistors0.20.180656110~220100SOT-23
BITA847BC847ANPN Transistors0.20.150456110~220100SOT-23
BITB16232SC1623BNPN Transistors0.20.160505200~400250SOT-23
BITB817BC817BNPN Transistors0.30.550455160~400100SOT-23
BITB818BC818BNPN Transistors0.30.530255160~400170SOT-23
BITB846BC846BNPN Transistors0.20.180656200~450100SOT-23
BITC16232SC1623CNPN Transistors0.20.160505270~560250SOT-23
BITC817BC817CNPN Transistors0.30.550455250~600100SOT-23
BITC818BC818CNPN Transistors0.30.530255250 ~600170SOT-23
BITE30522SC3052ENPN Transistors0.150.260506150~300180SOT-23
BITF30522SC3052FNPN Transistors0.150.260506250~500180SOT-23
BITG30522SC3052GNPN Transistors0.150.260506400~800180SOT-23
BITQ17812SD1781QNPN Transistors0.20.840325120~270100SOT-23
BITQ24122SC24120NPN Transistors0.20.1560507120~270160SOT-23
BITR17812SD1781RNPN Transistors0.20.840325180~390100SOT-23
BITR17822SD1782RNPN Transistors0.20.5100805180~390180SOT-23
BITR24122SC2412RNPN Transistors0.20.1560507180~390160SOT-23
BITS24122SC2412SNPN Transistors0.20.1560507270~560160SOT-23

PNP Transistors

BI Part NumberCross ReferenceFunctionPower dissipation (W)Collector current (A)VCBO (V)VCEO (V)VEBO (V)DC current gainTransition frequency (MHz)PolarityPackage
BIT4130PBSS4130TPNP Transistors0.3140305300~100—SOT-23
BIT414PBSS414TPNP Transistors0.3150405300~100—SOT-23
BIT4230PBSS4230TPNP Transistors0.3240305300~100—SOT-23
BIT5551MHRT5551PNP Transistors0.30.61801606100~300100—SOT-23
BITA05MHRTA05PNP Transistors0.30.575604100~350100—SOT-23
BITA06MHRTA06PNP Transistors0.30.5100804100~350100—SOT-23
BITA3904MHRTA3904PNP Transistors0.350.260409100~300300—SOT-23
BITA42MHRTA42PNP Transistors0.350.5320300540~30050—SOT-23
BITA44MHRTA44PNP Transistors0.350.2420400640~20050—SOT-23
BITA848BC848APNP Transistors0.20.140306110~220100—SOT-23
BITB847BC847BPNP Transistors0.20.150456200~450100—SOT-23
BITB848BC848BPNP Transistors0.20.140306200~450100—SOT-23
BITC847BC847CPNP Transistors0.20.150456420~800100—SOT-23
BITC848BC848CPNP Transistors0.20.140309420~800100—SOT-23
BITP2097MHRT2907APNP Transistors0.3-0.6-75-60-5100~300200—SOT-23
BITP3906Multiple handbook listingsMHRT3906PNP TransistorsListing 10.3Listing 20.225-0.2Listing 1-50Listing 2-60-40Listing 1-5Listing 2Confirmation pendingListing 1100~300Listing 2Confirmation pendingListing 1250Listing 2Confirmation pendingListing 1—Listing 2PNPSOT-23
BITP4403Multiple handbook listingsMHRT4403PNP TransistorsListing 10.3Listing 20.225-0.6Listing 1-50Listing 2-60-40Listing 1-5Listing 2Confirmation pendingListing 1100~300Listing 2Confirmation pendingListing 1200Listing 2Confirmation pendingListing 1—Listing 2PNPSOT-23
BITP5130PBSS5130TPNP Transistors0.3-1-40-30-5300~100—SOT-23
BITP5140PBSS5140TPNP Transistors0.3-1-50-40-5300~100—SOT-23
BITP5230PBSS5230TPNP Transistors0.3-2-40-30-5300~100—SOT-23
BITP5240PBSS5240TPNP Transistors0.3-2-50-40-5300~100—SOT-23
BITP5401MHRR5401PNP Transistors0.3-0.6-180-160-6100~330100—SOT-23
BITP591Multiple handbook listingsFMMT591 / PMMT591APNP Transistors0.3-1Listing 1-80Listing 2-50Listing 1-60Listing 2-40-5Listing 1100~300Listing 2300~800150—SOT-23
BITP9012S9012PNP Transistors0.3-0.5-40-25-5120~350150—SOT-23
BITP9015S9015PNP Transistors0.2-0.1-60-45-5180~800150—SOT-23
BITPA55MHRTA55PNP Transistors0.225-0.5-70-60-480~200250—SOT-23
BITPA56MHRTA56PNP Transistors0.225-0.5-90-80-480~200250—SOT-23
BITPA856BC856APNP Transistors0.2-0.1-80-65-6125~250100—SOT-23
BITPA857BC857APNP Transistors0.2-0.1-50-45-6125~250100—SOT-23
BITPA858BC858APNP Transistors0.2-0.1-40-30-6125~250100—SOT-23
BITPA92MHRTA92PNP Transistors0.3-0.3-320-300-5100~20050—SOT-23
BITPB856BC856BPNP Transistors0.2-0.1-80-65-6220~475100—SOT-23
BITPB857BC857BPNP Transistors0.2-0.1-50-45-6220~475100—SOT-23
BITPB858BC858BPNP Transistors0.2-0.1-40-30-6220~475100—SOT-23
BITPH850S8550HPNP Transistors0.3-0.5-40-25-5200~350150—SOT-23
BITPH8550SS8550HPNP Transistors0.3-1.5-40-25-5160~300100—SOT-23
BITPL850S8550LPNP Transistors0.3-0.5-40-25-5120~200150—SOT-23
BITPL8550SS8550LPNP Transistors0.3-1.5-40-25-5120~200100—SOT-23
BITPR807BC807RPNP Transistors0.3-0.5-50-45-5160~400100—SOT-23
BITPS807BC807SPNP Transistors0.3-0.5-50-45-6250~600100—SOT-23

RF Transistors

BI Part NumberCross ReferenceFunctionPower dissipation (W)Collector current (A)VCBO (V)VCEO (V)VEBO (V)DC current gainTransition frequency (MHz)PolarityPackage
BIT3356G2SC3356GRF Transistors0.20.12012382~2707NPNSOT-23
BIT3356RG2SC3356RGRF Transistors0.20.1209375~2907NPNSOT-23
BIT3837G2SG3837GRF Transistors0.20.053018356~1801.5NPNSOT-23
BIT3838G2SC3838GRF Transistors0.20.052011356~1803.2NPNSOT-23
BIT9018HS9018RF Transistors0.20.053015470~2000.8NPNSOT-23

Switching Transistors

BI Part NumberCross ReferenceFunctionPower dissipation (W)Collector current (A)VCBO (V)VCEO (V)VEBO (V)DC current gainTransition frequency (MHz)PolarityPackage
BIT2222MHRT2222ASwitching Transistors0.2250.67540Confirmation pendingConfirmation pendingConfirmation pendingNPNSOT-23
BIT2907MHRT2907ASwitching Transistors0.225-0.6-75-60Confirmation pendingConfirmation pendingConfirmation pendingPNPSOT-23
BIT3904MHRT3904Switching Transistors0.2250.26040Confirmation pendingConfirmation pendingConfirmation pendingNPNSOT-23
BIT3908MHRT3908Switching Transistors0.2250.26040Confirmation pendingConfirmation pendingConfirmation pendingNPNSOT-23
BIT4401MHRT4401Switching Transistors0.2250.66040Confirmation pendingConfirmation pendingConfirmation pendingNPNSOT-23

Cross references are listed in the product handbook and do not establish drop-in compatibility. Verify pinout, electrical limits and qualification for the intended design. “—” means no value is listed; fields marked “Confirmation pending” require clarification.