United Sources Industrial Enterprises Part Number Available
Welcome to United Sources Industrial Enterprises!
Established in 1987, United Sources Industrial Enterprises (USIE) has a history of almost 15 years in the electronic industry. We have developed a global market for our large variety of integrated circuits, semiconductor and passive components, and are constantly looking for new opportunities to further expand our business.

Our sizable warehouse holds about 20,000 different kinds of components, and the inventory is always handsomely sufficient.

Besides continuously enlarging our variety of stock, we understand that human resources is one of the most crucial parts of the company's success. In addition to create a pleasant working environment with computerized facilities, we also provide training to our staff to ensure that they are prepared to serve our clients with enthusiasm.

With our solid and intensive experience in the industry, we are always aggressively pursuing new opportunities to further develop our business both locally and internationally.

Address:
11/F., Excelsior Building,
68-76 Sha Tsui Road,
Tsuen Wan, N. T.

Hong Kong

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74LS195 D/C8574LS195(DM74LS195AN) D/C8474LS195(DM74LS195AN) D/C85
74LS195(DN74LS195A) D/C8774LS195(DN74LS195A) D/C8874LS195(HD74LS195AP) D/C96
74LS195(SN74LS195AN) D/C9274LS195(SN74LS195AN) D/C9874LS195(T74LS195AB1) D/C89
74LS195(T74LS195AB1) D/C9074LS195(T74LS195AB1) D/C9274LS195AB1 D/C89
74LS20(N74LS20N) D/C8774LS20(SMD,DM74LS20M) D/C9074LS20(SMD,SN74LS20D) D/C88
74LS20(SMD,SN74LS20D) D/C8974LS20(SMD,SN74LS20D) D/C9174LS20D-F(SMD,2.5K REEL)D/C88
74LS20-SMD(SN74LS20D) D/C9874LS20-SMD(T+R) D/C9274LS21(SMD,KS74HCTLS21D)D/C89
74LS22(DN74LS22N) D/C9374LS22(M74LS22P) D/C8374LS22(M74LS22P) D/C84
74LS22(T74LS22B1) D/C9274LS221 D/C9474LS221(SN74LS221N) D/C97
74LS240(SMD,KS74HCTLS240D)'8874LS240(SMD,T74LS240M1) D/C9274LS240D(SMD) D/C93
74LS240M1-SMD D/C9574LS241 D/C80-9074LS241 D/C86
74LS241(CE74LS241N) D/C8674LS241(CE74LS241N) D/C863274LS241(HD74LS241P) D/C85
74LS241(N74LS241N) D/C9174LS241(T74LS241B1) D/C9074LS241(T74LS241B1) D/C92
74LS241(T74LS241B1) D/C9374LS241WMX(SMD,1K REEL) D/C9674LS242M(SMD,JP SIZE) D/C99
74LS243 D/C8674LS243 D/C9674LS243(M74LS243P) D/C95
74LS243(N74LS243N) D/C7974LS243(SN74LS243N) D/C9974LS244(GD74LS244,USED) D/C90
74LS244(M74LS244P) D/C8474LS244(PBF,HD74LS244P-E)D/C0674LS244(PBF,SN74LS244N) D/C06
74LS244(SMD) D/C96+74LS244(SMD,KS74HCTLS244D)'8974LS244(T74LS244B1) D/C87
74LS244(T74LS244B1) D/C9374LS244F(USED) D/C8174LS244PTR(SMD) D/C03
74LS244RPEL(SMD,1K REEL) D/C9874LS244RPEL(SMD,T+R) D/C9874LS244-SMD(74HCTLS244) D/C90
74LS244-SMD(74HCTLS244;1K/R'9074LS244-SMD(74HCTLS244;T+R)'9074LS244-SMD(SN74LS244M) D/C98
74LS244WMX(SMD,T+R) D/C9574LS245(GD74LS245) D/C9274LS245(KS74HCTLS245N) D/C90
74LS245(N74LS245N) D/C8874LS245(PBF,HD74LS245P-E)D/C0874LS245(SMD,DM74LS245WM)D/C94
74LS245(SMD,N74LS245D) D/C9174LS245(SMD,N74LS245D) D/C9274LS245(SMD,SN74LS245DW) D/C00
74LS245(SMD,SN74LS245DW)D/C9374LS245(SMD,T74LS245M1) D/C9274LS245(SN74LS245N) D/C93
74LS245(USED)D/C9574LS245D(SMD) D/C9274LS245D(SMD,1K/RL) D/C92
74LS245DWR(SMD,1K/RL) D/C9674LS245DWR(SMD,T+R) D/C8974LS245DWR2(SMD,T+R) D/C92
74LS245DWR2-SMD(T+R) D/C9574LS245RP(SMD,T+R) D/C9774LS245RP-EL(SMD,1K/RL) D/C96
74LS245RPEL(SMD,T+R) D/C9874LS245-SMD D/C8774LS245-SMD D/C92
74LS245-SMD(DM74LS245WM)D/C9774LS245-SMD(GD74LS245D) D/C9574LS245WMX(SMD,1K/RL) D/C99
74LS245WMX(SMD,T+R) D/C9874LS245WMX(SMD,T+R) D/C9974LS245WMX-SMD(1K REEL) D/C93
74LS245WMX-SMD(T+R) D/C9874LS251(T74LS251B1) D/C8974LS253(SMD,KS74HCTLS253D)'89
74LS253(SN74LS253N) D/C8274LS253(SN74LS253N) D/C8474LS253(T74LS253B1) D/C86
74LS253(T74LS253B1) D/C9074LS253(T74LS253B1) D/C9174LS253(T74LS253B1N) D/C89
74LS253M(SMD,JP SIZE) D/C9974LS256(T74LS256B1) D/C9274LS256(T74LS256B1) D/C93
74LS257 D/C8474LS257 D/C8574LS257 D/C86
74LS257 D/C9174LS257(DM74LS257A) D/C8774LS257(DM74LS257BN) D/C92
74LS257(DM74LS257BN) D/C9774LS257(HD74LS257P) D/C9374LS257(HD74LS257P) D/C94
74LS257(N74LS257AN) D/C8774LS257(N74LS257AN) D/C8874LS257(SMD,DM74LS257BM)D/C93
74LS257(SMD,DM74LS257BM)D/C9474LS257(SMD,DM74LS257BM)D/C9574LS257(SMD,DM74LS257BM)D/C96
74LS257(SMD,DM74LS257M) D/C9574LS257(SMD,KS74HCTLS257D)'8974LS257(SMD,SN74LS257BD)D/C92
74LS257(SMD,SN74LS257BD)D/C9374LS257(SMD,T74LS257AM1)D/C9274LS257(SN74LS257AN) D/C84
74LS257(SN74LS257AN) D/C8574LS257(SN74LS257AN,OXIDED)'8174LS257(SN74LS257BN) D/C01
74LS257(SN74LS257BN) D/C9774LS257(SN74LS257BN) D/C9874LS257(SN74LS257BN) D/C99
74LS257(SN74LS257N) D/C8074LS257(SN74LS257N,OXIDED)'8174LS257A D/C86
74LS257A D/C8874LS257ANS(SMD,2K REEL) D/C9174LS257BDR2-SMD(T+R) D/C93
74LS257BM(SMD) D/C9174LS257BMEL(SMD,JP SIZE)D/C9974LS257BMX(SMD,2.5K/RL) D/C94
74LS257BMX(SMD,T+R) D/C9474LS257B-SMD D/C9174LS257N(OXIDED) D/C81 *1
74LS25874LS258(DM74LS258BN) D/C8374LS258(DM74LS258N) D/C80
74LS258(DM74LS258N) D/C8174LS258(DN74LS258A) D/C8874LS258(DN74LS258A) D/C90
74LS258(DN74LS258A) D/C9274LS258(HD74LS258P) D/C9174LS258(SN74LS258AN) D/C83
74LS258(SN74LS258AN) D/C8474LS258(SN74LS258AN) D/C8974LS258(SN74LS258ANDS) D/C83
74LS258(SN74LS258BN) D/C8674LS258(SN74LS258BN) D/C8774LS258(SN74LS258N) D/C81
74LS258(SN74LS258N) D/C8274LS258(SN74LS258N) D/C8374LS258(SN74LS258N) D/C84
74LS258ADC(CERAMIC) D/C8374LS258AN D/C8274LS258AN D/C85
74LS259(SMD,T74LS259M1) D/C9374LS259MX-SMD(T+R) D/C9474LS259MX-SMD(T+R) D/C95
74LS259-SMD D/C9374LS26 D/C8674LS26 D/C94
74LS26(DN74LS26) D/C8574LS26(DN74LS26) D/C8974LS26(DN74LS26) D/C97
74LS26(SMD,N74LS26D) D/C9174LS26(SMD,N74LS26D) D/C9274LS260DR2-SMD(2.5K REEL)D/C98
74LS262-SMD D/C8674LS266(SMD,N74LS266D,T+R)'8974LS266(SN74LS266N) D/C91
74LS27(DM74LS27N) D/C9274LS27(DM74LS27N) D/C9374LS27(DM74LS27N) D/C95
74LS27(DN74LS27) D/C9274LS27(GD74LS27) D/C9174LS27(GD74LS27) D/C94
74LS27(GD74LS27,USED) D/C8074LS27(N74LS27NJ) D/C8774LS27(SMD,SN74LS27D) D/C97
74LS27(SMD,SN74LS27D) D/C9874LS27(SMD,T74LS27M1) D/C9374LS27(SN74LS27N) D/C87
74LS27(SN74LS27N) D/C8974LS27(SN74LS27N) D/C9074LS27(SN74LS27N) D/C91
74LS27(SN74LS27N) D/C9274LS27(SN74LS27N) D/C9374LS27(SN74LS27N) D/C95
74LS27(SN74LS27NC) D/C9174LS27(T74LS27B1) D/C9374LS273 D/C87
74LS273(74HCTLS273)(USED)D/C8974LS273(N74LS273N) D/C9274LS273(PBF,HD74LS273P-E)D/C06
74LS273(SMD,T74LS273M1) D/C9274LS273(T74LS273B1) D/C9174LS273(T74LS273B1N) D/C92
74LS273D-SMD(1K REEL) D/C9574LS273DWR2-SMD(1K REEL)D/C9574LS273DWR2-SMD(T+R) D/C95
74LS273-SMD D/C9174LS273-SMD(GD74LS273D) D/C9574LS273WMX(SMD,1K/RL) D/C98
74LS273WMX(SMD,T+R) D/C9874LS27DR(SMD,2.5K/RL) D/C9774LS27DR(SMD,T+R) D/C97
74LS27DR2(SMD,2.5K/RL) D/C9674LS27DR-SMD(2.5K REEL) D/C9674LS27MX-SMD(2.5K REEL) D/C94
74LS27-SMD(DM74LS27M) D/C8974LS27-SMD(DM74LS27M) D/C9974LS280
74LS280 D/C8674LS280 D/C9074LS280 D/C95
74LS280 D/C9674LS280(DN74LS280) D/C8674LS280(DN74LS280) D/C88
74LS280(GD74LS280) D/C9474LS280(M74LS280P) D/C8574LS280(SMD,KS74HCTLS280D)'89
74LS280(SMD,SN74LS280D) D/C9574LS280(SMD,SN74LS280D) D/C9674LS280(SN74LS280N) D/C79
74LS280(SN74LS280N) D/C8174LS280(SN74LS280N) D/C8274LS280(SN74LS280N) D/C83
74LS280(SN74LS280N) D/C8574LS280(SN74LS280N) D/C8674LS280(SN74LS280N) D/C87
74LS280(SN74LS280N) D/C8874LS280(SN74LS280N) D/C9274LS280(SN74LS280N) D/C93
74LS280(SN74LS280N) D/C9474LS280(SN74LS280N) D/C9574LS280(SN74LS280N) D/C96
74LS280(SN74LS280N) D/C9774LS280(SN74LS280N) D/C9974LS280(SN74LS280ND) D/C87
74LS280(SN74LS280NDS) D/C8374LS280(SN74LS280NS) D/C8474LS280(T74LS280B1) D/C93
74LS280-SMD(SN74LS280D) D/C9874LS283 D/C8974LS283(T74LS283B1) D/C90
74LS298(T74LS298B1) D/C9274LS298DR2(SMD,2.5K/RL) D/C9974LS299(SMD,KS74HCTLS299D)'89
74LS299(SN74LS299N) D/C8974LS299(SN74LS299N) D/C89 *174LS299(SN74LS299N) D/C89 *2
74LS299DWR2-SMD(1K REEL)D/C9874LS299DW-SMD(SN74LS299DW)'9874LS299-SMD(SN74LS299DW)'98
74LS30(SMD,T74LS30M1) D/C9274LS30(SN74LS30N) D/C9074LS30(T74LS30B1) D/C92
74LS30DR2-SMD(2.5K REEL)D/C9574LS30D-SMD D/C9474LS30D-SMD(T+R) D/C94
74LS30M(SMD,JP SIZE) D/C9974LS30M013TR-SMD(2.5K REEL)'9274LS30ML1(SMD,JP SIZE,1K/RL'99
74LS30MX-SMD(2.5K REEL)D/C9574LS32(SMD,DM74LS32M) D/C9374LS32(SMD,DM74LS32MX,T+R)'99
74LS32(SMD,DN74LS32S) D/C0274LS32(SMD,SN74LS32D) D/C0074LS32(SMD,SN74LS32D) D/C89
74LS32(SMD,SN74LS32D) D/C9874LS32(SMD,T74LS32M1) D/C9274LS32(USED)
74LS32DBR(SSOP,2K/RL) D/C9974LS32DR(SMD,2.5K/RL) D/C9774LS32DR(SMD,2.5K/RL) D/C99
74LS32DR(SMD,T+R) D/C0074LS32DR(SMD,T+R) D/C9774LS32D-SMD D/C91
74LS32MX(SMD,2.5K/RL) D/C0074LS32MX-SMD(2.5K REEL) D/C9774LS32MX-SMD(T+R) D/C97
74LS32RPEL(SMD,T+R) D/C9774LS32-SMD74LS32-SMD(DM74LS32M) D/C95
74LS32-SMD(N74LS32D;T+R)D/C8874LS32-SMD(T+R) D/C8974LS33(SMD,DN74LS33S) D/C02
74LS33(T74LS33B1) D/C8974LS33(T74LS33B1) D/C9274LS33-SMD D/C95
74LS365(DM74LS365N) D/C8174LS365(N74LS365AN) D/C8274LS365(N74LS365AN) D/C83
74LS365(N74LS365AN) D/C8474LS365(SMD,T74LS365AM1)D/C9274LS365(SN74LS365AN) D/C83
74LS365(SN74LS365N) D/C8274LS365(T74LS365AB1) D/C9274LS365(T74LS365AB1) D/C93
74LS366(T74LS366AB1) D/C9074LS366(T74LS366AB1) D/C9274LS366(T74LS366AB1) D/C92 *1
74LS36774LS367(DM74LS367AN) D/C0274LS367(HD74LS367AP) D/C90
74LS367(HD74LS367AP) D/C9374LS367(SMD,DN74LS367AS)D/C0274LS367(SMD,SN74LS367AD)D/C97
74LS367(SMD,T74LS367AM1)D/C9374LS367(SN74LS367AN) D/C9374LS367(SN74LS367AN) D/C96
74LS367AD-SMD D/C8874LS367AD-SMD(T+R) D/C8874LS367-SMD(SN74LS367AM)D/C98
74LS36874LS368 D/C9174LS368(SMD,SN74LS368AD)D/C97
74LS368(T74LS368AB1) D/C8974LS368(T74LS368AB1) D/C9374LS368ADR2(SMD,2.5K/RL)D/C00
74LS368-SMD D/C8774LS368-SMD(GD74LS368AD)D/C9174LS368-SMD(SN74LS368AD)D/C96
74LS37(N74LS37N) D/C8574LS37(T74LS37B1) D/C8374LS37(T74LS37B1) D/C89
74LS37(T74LS37B1) D/C9274LS373(SMD) D/C9574LS373(SMD,HD74LS373RP)'92
74LS373(SMD,KS74HCTLS373D)'8974LS373(SMD,N74LS373D) D/C8774LS373(SMD,SN74LS373DW)D/C91
74LS373(SMD,SN74LS373DW)D/C9274LS373(SMD,SN74LS373DW)D/C9374LS373(SMD,T74LS373M1) D/C92
74LS373(SN74LS373N) D/C9474LS373(T74LS373B1) D/C9374LS373DW(SMD) D/C95 *1
74LS373DW(SMD) D/C9674LS373DWR(SMD,T+R) D/C9974LS373-SMD(SN74LS373DW)D/C95
74LS374(SMD,DM74LS374WM) D/C9274LS374(SMD,KS74HCTLS374D)'8974LS374(SMD,SN74LS374DW) D/C97
74LS374(SMD,SN74LS374DW) D/C9874LS374(SMD,T74LS374M1) D/C9174LS374(SMD,T74LS374M1) D/C93
74LS374(T74LS374B1) D/C9274LS374(T74LS374B1) D/C9374LS374DWR(SMD,T+R) D/C99
74LS374DWR2-SMD(T+R) D/C9474LS374DWR-SMD(T+R) D/C9374LS374DWR-SMD(T+R) D/C95
74LS374DWR-SMD(T+R) D/C9874LS374RPEL(SMD,1K REEL) D/C9974LS374-SMD
74LS374-SMD(DM74LS374WM)D/C9774LS374-SMD(T74LS374M;T+R)'9374LS374WM-SMD(T+R) D/C92
74LS377(SMD,T74LS377M1) D/C9474LS377(T74LS377B1) D/C9374LS378(SMD,T74LS378M1) D/C91
74LS378(SMD,T74LS378M1) D/C9274LS37PC D/C8574LS38(DN74LS38) D/C90
74LS38(M74LS38P) D/C8774LS38(SMD,SN74LS38DR,T+R)'9774LS38(SN74LS38N) D/C82
74LS38(SN74LS38N) D/C8774LS38(SN74LS38N) D/C9474LS38(SN74LS38N) D/C97
74LS38(T74LS38B1) D/C9374LS38(T74LS38B1) D/C9474LS38DR-SMD(T+R) D/C90
74LS38M013TR(SMD,T+R) D/C9374LS38NSR-SMD(2K REEL) D/C9974LS390(T74LS390B1) D/C94
74LS390(T74LS390B1N) D/C9274LS393(SMD,KS74HCTLS393D)'8974LS393(SMD,T74LS383M1) D/C92
74LS393(T74LS393B1) D/C8974LS393DR2(SMD,2.5K REEL)D/C9974LS393D-SMD D/C90
74LS40(N74LS40N) D/C7874LS42M(SMD,JAPAN SIZE) D/C9974LS47(HD74LS47P,OXIDE) D/C99
74LS490(T74LS490B1) D/C9374LS51(DN74LS51) D/C8874LS51(DN74LS51) D/C89
74LS51(GD74LS51) D/C9374LS51(HD74LS51P) D/C8374LS51(HD74LS51P) D/C87
74LS51(HD74LS51P) D/C9374LS51(HD74LS51P) D/C9474LS51(HD74LS51P) D/C97
74LS51(HD74LS51P) D/C9874LS51(HD74LS51P) D/C9974LS51(M74LS51P) D/C84
74LS51(SMD,T74LS51M1) D/C8874LS51(SN74LS51N) D/C8174LS51(SN74LS51N) D/C84
74LS51(SN74LS51N) D/C8674LS51(SN74LS51N) D/C8774LS51(SN74LS51N) D/C88
74LS51(SN74LS51N) D/C8974LS51(SN74LS51N) D/C9074LS51(SN74LS51N) D/C91
74LS51(SN74LS51N) D/C9374LS51(SN74LS51N) D/C9474LS51(SN74LS51N) D/C95
74LS51(SN74LS51N) D/C9874LS51(T74LS51B1) D/C8274LS51N D/C89
74LS51-SMD D/C8974LS521(SMD,KS74HCTLS521D)'8874LS533(T74LS533B1) D/C89
74LS534(T74LS534B1) D/C8874LS534(T74LS534B1) D/C9274LS54(T74LS54B1) D/C94
74LS540(SMD,T74LS540M1) D/C9274LS541(N74LS541N) D/C8774LS541(N74LS541N) D/C88
74LS541(N74LS541N) D/C8974LS541(SMD,KS74HCTLS541D)'8974LS541(SMD,T74LS541M1) D/C92
74LS541(T74LS541B1) D/C9274LS541(T74LS541B1) D/C9374LS55(T74LS55B1) D/C93
74LS564(SMD,KS74HCTLS564D)'8974LS56P D/C9074LS573(SMD,KS74HCTLS573D)'89
74LS574(SMD,KS74HCTLS574D)'8974LS612(SN74LS612N) D/C9574LS640(SMD,KS74HCTLS640D)'89
74LS641NS-SMD(JP SIZE;T+R)'8874LS645(SMD,SN74LS645DW)D/C9274LS646(SMD,SN74LS646SG)D/C91
74LS656(SMD,T74LS656BM1)D/C9274LS670 D/C8574LS670(HD74LS670P,PULL)D/C86
74LS670(N74LS670N,PULL) D/C8774LS670(N74LS670N-A,PULL)D/C8474LS670(SN74LS670N,PULL)D/C86
74LS670(T74LS670B1) D/C9374LS670(T74LS670B1,PULL)D/C8674LS670MX(SMD,T+R) D/C97
74LS670PC(PULL) D/C8474LS682(SMD,SN74LS682DW)D/C9374LS684(SN74LS684N) D/C94
74LS684M(SMD,JP SIZE) D/C9974LS685(SN74LS685N) D/C8274LS685(SN74LS685N) D/C93
74LS73(M74LS74AP) D/C8274LS74(GD74LS74A) D/C9474LS74(HD74LS74AP,PULL) D/C88
74LS74(SMD,DM74LS74AM) D/C9774LS74(SMD,DM74LS74AMX,T+R)'0074LS74(SMD,DM74LS74AMX,T+R)'01
74LS74(SMD,DM74LS74AMX,T+R)'9874LS74(SMD,DM74LS74AMX,T+R)'9974LS74(SMD,SN74LS74AD) D/C00
74LS74(SMD,SN74LS74AD) D/C0174LS74(SMD,T74LS74AM1) D/C9274LS74(SN74LS74AN) D/C92
74LS74(T74LS74B1,PULL) D/C8774LS74A(USED)D/C9574LS74ADBLE-SSOP(T+R) D/C93
74LS74ADR-SMD(T+R) D/C9474LS74AD-SMD D/C8874LS74AM-SMD D/C95
74LS74AMX-SMD(T+R) D/C9374LS74ANS-SMD(JP SIZE;2K/R)'9274LS74ANS-SMD(JP SIZE;2K/R)'93
74LS74ANS-SMD(JP SIZE;T+R)'8374LS74ARP-EL(SMD) D/C9474LS74ARP-EL(SMD,T+R) D/C94
74LS74ARPEL(SMD,T+R) D/C9974LS74A-SMD D/C9174LS74-SMD D/C92
74LS74-SMD(DM74LS74AM) D/C9374LS74-SMD(DM74LS74AMX;T+R)'9674LS74-SMD(DM74LS74AMX;T+R)'97
74LS74-SMD(HD74LS74ARP;T+R)'9574LS74-SMD(T+R) D/C9374LS75(SMD,SN74LS75D) D/C96
74LS75(SMD,SN74LS75D) D/C9774LS75MX(SMD,2.5K/RL) D/C9874LS76(SMD,DN74LS76S) D/C02
74LS78(SMD,DN74LS78S) D/C0274LS83(SMD,SN74LS83AD) D/C88