昆山奇沃電子有限公司長期代理

銷售全新原裝各品牌系列電力電子模塊；
KD224503
KR224505
KD224505
KS224505
KD224507
KS524505
KD324510
KS224510
KD324515
KS621K20
KD221K03
KS621K30
KD221203A7
KS621220
KD221205A7
KS624540
KD221K75
KS621K40
KD221275A7
KS624550
KD424520A4
KS621K60
KD421K10
KSC23010
KD421K15
KSB23020
KD621K30
KE721K03
KD621220
KE721203
KD621230
KE724501
KE724502
KE724503

MCD310-08io1 MCD310-12io1
MCD310-14io1
MCD310-16io1 MCD310-18io1
MCD310-20io1 MCD310-22io1
MCD312-12io1
MCD312-14io1 MCD312-16io1
MCD312-18io1 MCD500-12io1
MCD500-16io1
MCD500-18io1 MCD500-22io1
MCD501-12io1 MCD501-16io1
MCD501-18io1MCD501-22io1 MCD700-12io1W 
MCD700-16io1W MCD700-18io1W
特價供應(yīng)英飛凌IGBT
歐派克IGBT
BSM200GA120DLC          BSM200GA120DLCS
BSM300GA120DLC          BSM300GA120DLCS
BSM400GA120DLC          BSM400GA120DLCS
BSM600GA120DLC          BSM600GA120DLCS
BSM200GA120DN2          BSM200GA120DN2C
BSM200GA120DN2S         BSM300GA120DN2
BSM300GA120DN2S         BSM400GA120DN2
BSM400GA120DN2S         FZ300R12KE3B1G
FZ300R12KE3G            FZ400R12KE3
FZ400R12KE3_B1          FZ600R12KE3
FZ600R12KE3_B1          FZ800R12KE3
FZ1200R12KE3            FZ1600R12KE3
FZ2400R12KE3            FZ2400R12KE3_B9
FZ3600R12KE3            FZ400R12KS4

FZ600R12KS4             FZ800R12KS4_B2
FZ800R12KF4             FZ1050R12KF4
FZ1200R12KF4            FZ1600R12KF4
FZ1800R12KF4            FZ1800R16KF4s1
FZ2400R12KF4
FZ800R12KL4C            FZ1200R12KL4C
FZ1600R12KL4C           FZ1800R12KL4C
FZ2400R12KL4C           FZ3600R12HP4
FZ2400R12HP4_B9         BSM25GB120DN2
BSM35GB120DN2           BSM50GB120DN2
BSM75GB120DN2           BSM100GB120DN2
BSM100GB120DN2K         BSM150GB120DN2
BSM200GB120DN2          BSM300GB120DN2
BSM50GB120DLC           BSM75GB120DLC
BSM100GB120DLC          BSM100GB120DLCK
BSM150GB120DLC          BSM200GB120DLC
BSM300GB120DLC          FF100R12KS4
FF150R12KS4             FF200R12KS4
FF300R12KS4             FF150R12KE3G
FF200R12KE3             FF300R12KE3
FF400R12KE3             FF600R12KE3
FF800R12KE3             FF1200R12KE3
FF75R12YT3              FF100R12YT3
FF150R12YT3             FF150R12KT3G
FF200R12KT3             FF300R12KT3
FF400R12KT3             FF150R12ME3G
FF225R12ME3             FF300R12ME3
FF450R12ME3             FF400R12KF4
FF600R12KF4             FF800R12KF4
FF400R12KL4C            FF600R12KL4C
FF800R12KL4C            FF225R12ME4
FF300R12ME4             FF450R12ME4
FF100R12MT4             FF150R12MT4
FF200R12MT4             FF150R12MS4G
FF225R12MS4             FF300R12MS4
FF200R12KE4             FF300R12KE4
FF450R12KE4             FF200R12KT4
FF300R12KT4             FF450R12KT4
FF450R12IE4             FF600R12IS4F
FF600R12IE4             FF600R12IP4
FF1400R12IP4            FF900R12IP4
FF900R12IP4D            F4-25R12NS4
F4-50R12KS4             F4-50R12MS4
F4-75R12KS4             F4-75R12MS4
F4-100R12KS4            F4-150R12KS4
F4-400R12KS4_B2         BSM10GD120DN2
BSM10GD120DN2_E3224     BSM15GD120DN2
BSM25GD120DN2           BSM25GD120DN2_E3224
BSM35GD120DN2           BSM35GD120DN2_E3224
BSM50GD120DN2           BSM50GD120DN2_E3226
BSM50GD120DN2G          BSM75GD120DN2
BSM100GD120DN2          BSM15GD120DLC_E3224
BSM25GD120DLC_E3224     BSM35GD120DLC_E3224
BSM50GD120DLC           BSM75GD120DLC
BSM100GD120DLC          FS10R12VT3
FS15R12VT3              FS10R12YT3
FS15R12YT3              FS25R12YT3
FS35R12YT3              FS25R12KT3
FS35R12KT3              FS50R12KT3
FS75R12KT3              FS75R12KT3G
FS100R12KT3             FS150R12KT3
FS25R12KE3G             FS35R12KE3G
FS50R12KE3              FS75R12KE3
FS75R12KE3_B3           FS75R12KE3G
FS100R12KE3             FS100R12KE3_B3
FS150R12KE3             FS150R12KE3G
FS225R12KE3             FS300R12KE3
FS450R12KE3             FS75R12KS4
FS100R12KS4             FS225R12KE4
FS300R12KE4             FS450R12KE4
FS300R12KF4             FS400R12KF4
FS100R12KT4G            FS100R12KT4G_B11
FS150R12KT4_B11         FS25R12W1T4
FS35R12W1T4             BSM10GP120
BSM15GP120              BSM25GP120
BSM35GP120              BSM35GP120G
BSM50GP120              FP10R12KE3
FP15R12KE3              FP15R12KE3G
FP25R12KE3              FP40R12KE3
FP40R12KE3G             FP50R12KE3
FP75R12KE3              FP15R12KT3
FP25R12KT3              FP40R12KT3
FP40R12KT3G             FP50R12KT3
FP75R12KT3              FP15R12NT3
FP15R12W1T3             FP15R12YT3
FP15R12KS4C             FP25R12KS4C
FP35R12KS4C_G           FP50R12KS4C
FP35R12KT4              FP35R12KT4_B11
FP50R12KT4              FP50R12KT4_B11
FP75R12KT4              FP75R12KT4_B11
FP100R12KT4             FP100R12KT4_B11
FP10R12NT3              FP10R12W1T3
FP10R12YT3              FP10R12YT3_B4
FP10R12W1T4             FP10R12W1T4_B3
FP15R12W1T4             FP25R12W2T4
FP35R12W2T4             BSM25GAL120DN2
BSM50GAL120DN2          BSM75GAL120DN2
BSM100GAL120DN2         BSM100GAR120DN2
BSM150GAL120DN2         BSM150GAR120DN2
BSM200GAL120DN2         BSM200GAR120DN2
BSM100GAL120DLCK        BSM150GAL120DLC
BSM200GAL120DLC         BSM300GAL120DLC
BSM300GAR120DLC         DF200R12KE3
DF300R12KE3             DF400R12KE3
FD200R12KE3             FD300R12KE3
FD400R12KE3             FD600R12KF4
FD400R12KE3_B5          BSM50GB60DLC
BSM75GB60DLC            BSM100GB60DLC
BSM150GB60DLC           BSM200GB60DLC
BSM300GB60DLC           FF200R06KE3
FF300R06KE3             FF400R06KE3
FF200R06ME3             FF300R06ME3
FF400R06ME3             FF450R06ME3
FF600R06ME3             F4-100R06KL4
F4-150R06KL4            F4-200R06KL4
F4-30R06W1E3            F4-50R06W1E3
F4-75R06W1E3            BSM30GD60DLC
BSM50GD60DLC            BSM75GD60DLC
BSM100GD60DLC           BSM150GD60DLC
BSM200GD60DLC           BSM20GD60DLC_E3224
BSM30GD60DLC_E3224      BSM50GD60DLC_E3226
FS50R06KE3              FS75R06KE3
FS100R06KE3             FS150R06KE3
FS150R06KE3_B4          FS200R06KE3
FS20R06W1E3             FS30R06W1E3
FS50R06W1E3             FS10R06VL4_B2
FS15R06VL4_B2           FS10R06XL4
FS15R06XL4              FS20R06XL4
FS30R06XL4              FS50R06YL4
FS6R06VE3_B2            FS30R06XE3
FS50R06YE3              FS10R06VE3
FS10R06VE3_B2           FS15R06VE3
FS15R06VE3_B2           FS20R06VE3
FS20R06VE3_B2           FS30R06VE3
FS15R06XE3              BSM10GP60
BSM15GP60               BSM20GP60
BSM30GP60               BSM50GP60
BSM50GP60G              BSM75GP60
BSM100GP60              FP10R06YE3
FP10R06YE3_B4           FP15R06YE3
FP15R06YE3_B4           FP20R06YE3
FP30R06YE3              FP30R06KE3
FP50R06KE3              FP50R06KE3G
FP100R06KE3             FB10R06KL4
FB10R06KL4G             FB15R06KL4
FB15R06KL4B1            FB20R06KL4
FB20R06KL4_B1           FP10R06KL4
FP10R06KL4_B3           FP15R06KL4
FP20R06KL4              FP10R06W1E3
FP15R06W1E3             FP20R06W1E3
FP30R06W1E3             BSM200GA170DN2
BSM200GA170DN2S         BSM300GA170DN2
BSM300GA170DN2S         BSM200GA170DLC
BSM300GA170DLC          BSM400GA170DLC
FZ400R17KE3             FZ600R17KE3
FZ1200R17KE3            FZ1200R17KE3_B2
FZ1600R17KE3            FZ1600R17KE3_B2
FZ1800R17KE3_B2         FZ2400R17KE3
FZ2400R17KE3_B2         FZ2400R17KE3_B9
FZ3600R17KE3            FZ3600R17KE3_B2
FZ800R16KF4             FZ1200R16KF4
FZ1800R16KF4            FZ800R17KF6C_B2
FZ1200R17KF6C_B2        FZ1600R17KF6C_B2
FZ1800R17KF6C_B2        FZ2400R17KF6C_B2
BSM50GB170DN2           BSM75GB170DN2
BSM100GB170DN2          BSM150GB170DN2
BSM100GB170DLC          BSM150GB170DLC
BSM200GB170DLC          FF200R17KE3
FF300R17KE3             FF400R17KE3_B2
FF600R17KE3             FF600R17KE3_B2
FF800R17KE3             FF800R17KE3_B2
FF1200R17KE3            FF1200R17KE3_B2
FF400R16KF4             FF600R16KF4
FF400R17KF6C_B2         FF401R17KF6C_B2
FF600R17KF6C_B2         FF800R17KF6C_B2
FF650R17IE4             FF1000R17IE4
FF150R17ME3G            FF225R17ME3
FF300R17ME3             FF450R17ME3
BSM50GD170DL            BSM75GD170DL
FS50R17KE3_B17          FS75R17KE3
FS100R17KE3             FS150R17KE3G
FS225R17KE3             FS300R16KF4
FS300R17KE3             FS450R17KE3
FD400R16KF4             FD401R17KF6C_B2
FD600R16KF4             FD600R17KE3_B2
FD600R17KF6C_B2         FD800R17KE3_B2
FD800R17KF6C_B2         FD1200R17KE3-K_2_0
FD1200R17KE3-K_B2       FZ400R33KF2_B5
FZ800R33KF2C            FZ1200R33KF2C
FZ1200R33KF2_B5         FZ400R33KL2C_B5
FZ800R33KL2C            FZ800R33KL2C_B5
FZ1000R33HL3            FZ1500R33HL3
FZ1200R33KL2C_B5        FZ1200R33KL2C
FZ1500R33HE3            FF400R33KF2C
FF200R33KF2C            FD400R33KF2C
FD400R33KF2C-K          FD800R33KF2C
FD800R33KF2C-K          FD800R33KL2C-K_B5
FZ400R65KF2             FZ600R65KF2
FZ200R65KF1             FZ400R65KF1
FZ600R65KF1             FD200R65KF1-K
FD400R65KF1-K

MDA72-08N1B MDA72-14N1B 
MDA72-16N1B
MDD142-08N1 MDD142-12N1 
MDD142-14N1 MDD142-16N1 
MDD142-18N1
MDD172-08N1 MDD172-12N1 
MDD172-14N1 MDD172-16N1 
MDD172-18N1
MDD220-08N1 MDD220-12N1 
MDD220-14N1 MDD220-16N1
MDD220-18N1
MDD250-08N1 MDD250-12N1
MDD250-14N1 MDD250-16N1
MDD255-12N1
MDD255-14N1 MDD255-16N1
MDD255-18N1 MDD255-20N1
MDD255-22N1
MDD310-08N1 MDD310-12N1 
MDD310-14N1 MDD310-16N1 
MDD310-18N1
MDD310-20N1 MDD310-22N1 
MDD312-12N1 MDD312-14N1 
MDD312-16N1
MDD312-18N1 MDD312-20N1 
MDD312-22N1 MDD600-12N1 
MDD600-16N1
MDD600-18N1 MDD600-22N1 
MDD950-12N1W MDD950-16N1W 
MDD950-18N1W
MDD950-22N1W MDO500-12N1
MDO500-14N1 MDO500-16N1 
MDO500-18N1
TD250N12KOF TD250N14KOF TD250N16KOF TD250N18KOF
TD251N12KOF TD251N14KOF TD251N16KOF TD251N18KOF
TD285N12KOF TD285N14KOF TD285N16KOF
TD310N20KOF TD310N24KOF TD310N26KOF
TD330N12KOF TD330N14KOF TD330N16KOF
TD375N18KOF TD375N20KOF TD375N22KOF
TD400N20KOF TD400N22KOF TD400N24KOF TD400N26KOF
TD425N10KOF TD425N12KOF TD425N14KOF TD425N16KOF TD425N18KOF
TD430N18KOF TD430N20KOF TD430N22KOF TD430N24KOF
TD500N12KOF TD500N14KOF TD500N16KOF TD500N18KOF
TD570N12KOF TD570N14KOF TD570N16KOF TD570N18KOF

DT250N12KOF DT250N14KOF DT250N16KOF DT250N18KOF
DT285N12KOF DT285N14KOF DT285N16KOF
DT310N20KOF DT310N22KOF DT310N24KOF DT310N26KOF
DT425N10KOF DT425N12KOF DT425N14KOF DT425N16KOF DT425N18KOF
DT500N12KOF DT500N14KOF DT500N16KOF DT500N18KOF

特價供應(yīng)全新原裝
6MBP15RH060
6MBP15RY060
6MBP15JB060
6MBP20JB060
6MBP20RH060
6MBP20RTA060
6MBP20RY060
6MBP30JE060
6MBP30RTA060
6MBP30RY060
6MBP30RTB060
6MBP30RH060
6MBP50JA060
6MBP50RA060
6MBP50JB060
6MBP50TEA060
6MBP50TE060
6MBP50RTA060
6MBP50RS060
6MBP50RH060
6MBP50NA060
6MBP50RTB060
6MBP75JA060
6MBP75NA060
6MBP75RTB060
6MBP75RS060
6MBP75RA060
6MBP75JB060
6MBP75RF060
6MBP75RH060
6MBP100KC060
6MBP100RD060
6MBP100RH060
6MBP100JA060
6MBP100RT060
6MBP100RTB060
6MBP100RTA060
6MBP100JB060
6MBP100RA060
6MBP100RS060
6MBP100NA060
6MBP100RTC060
6MBP150RD060
6MBP150NA060
6MBP150JB060
6MBP150RF060
6MBP150RA060
6MBP150RTC060
6MBP150RS060
6MBP150KA060
6MBP150RTB060
6MBP160RT060
6MBP160RTA060
6MBP200RS060
6MBP200RA060
6MBP200KA060
6MBP200JB060
6MBP200RTS060
6MBP300RA060
6MBP300JA060
6MBP300JB060
6MBP300RS060
6MBP300RTS060
6MBP25RA120
6MBP25RS120
6MBP25NA120
6MBP25RJ120
6MBP50RJ120
6MBP50JA120
6MBP50RS120
6MBP50RA120
6MBP75RAA120
6MBP75RJ120
6MBP75RS120
6MBP75RA120
6MBP75JA120
6MBP100JA120
6MBP100RS120
6MBP100RA120
6MBP150RTS120
6MBP150RS120
6MBP150RA120
6MBP150JA120
7MBR15SA060
7MBR30NE060
7MBR50NE060
7MBR50JC060
7MBP50RTB060
7MBP50RA060
7MBP50NA060
7MBP50KB060
7MBP50JB060
7MBP50RTA060
7MBP50J101H
7MBR75SD060
7MBP75JA060
7MBP75NA060
7MBP75RA060
7MBP75RTB060
7MBP75SD-060
7MBI75N-060
7MBP75JB060
7MBP80RTA060
7MBP80RT060
7MBP100JA060
7MBP100JB060
7MBP100RTB060
7MBP100RA060
7MBP100KC060
7MBI100N-060
7MBP100NA-060
7MBP100KB060
7MBR100SD060
7MBR100SB060
7MBP150RF060
7MBP150RA060
7MBP150KA060
7MBP150RTB060
7MBP150NA-060
7MBP160RTA060
7MBP200RA060
7MBP200JB060
7MBP200KA060
7MBP300RA060
7MBP300KA060
7MBP300JB060
6MBP75TEA060
6MBP100TEA060
6MBP150TEA060
7MBP50TEA060
7MBP75TEA060
7MBP100TEA060
7MBP150TEA060
6MBP25TEA120
6MBP50TEA120
6MBP75TEA120
7MBP25TEA120
7MBP50TEA120
7MBP75TEA120
7MBR10SA120
7MBR15SA120
7MBR25SA120
7MBR35SB120
7MBR50SB120
7MBR10SC120
7MBR15SC120
7MBR25SC120
7MBR35SD120
7MBR50SD120
7MBR25UA120
7MBR35UA120
7MBR35UB120
7MBR50UA120
7MBR50UB120
7MBR75UB120
7MBR100UB120
7MBP25RA120
7MBP25RJ120
7MBI40N-120
7MBR50SA120
7MBP50RJ120
7MBP50RA120
7MBI50N-120
7MBP50RE120
7MBP75RA120
7MBP75RJ120
7MBR100SB120
7MBP100RA120
7MBP150RA120
A50L-0001-0266#N
A50L-0001-0267#N
A50L-0001-0274#RA
A50L-0001-0274#RAS
A50L-0001-0275#S
A50L-0001-0291#L
A50L-0001-0304#S
A50L-0001-0305
A50L-0001-0305#S
A50L-0001-0306
A50L-0001-0324
A50L-0001-0326
A50L-0001-0327
A50L-0001-0328
A50L-0001-0330
A50L-0001-0332
A50L-0001-0333
A50L-0001-0335
A50L-0001-0336
銷售英飛凌二極管模塊：
DD31N12
DD31N16
DD55N12
DD55N16
DD76N12
DD76N16
DD89N08
DD89N12
DD89N14
DD89N16
DD90N12
DD90N16
DD104N12
DD104N14
DD104N16
DD106N12
DD106N14
DD106N16
DD151N12
DD151N14
DD151N16
DD171N12
DD171N14
DD171N16
DD230N12
DD230N16
DD231N12
DD231N16
DD260N12
DD260N14
DD260N16
DD261N12
DD261N16
DD285N80
DD350N12
DD350N14
DD350N16
DD350N18
DD435N12
DD435N14
DD435N16
DD435N18
DD600N12
DD600N14
DD600N16
DD600N18
ND89N12
ND89N16
ND104N12
ND104N16
ND171N12
ND171N16
ND260N12
ND260N14
ND260N16
ND260N18
ND261N12
ND261N16
DZ540N12
DZ540N16
DZ600N12
DZ600N14
DZ600N16
DZ600N18
DZ950N12
DZ950N16
DZ1070N12 
DZ1070N16

BYM200B170DN2
BYM300A170DN2
BYM300B170DN2
BYM600A170DN2
DD400S17K6C_B2
DD600S16K4
DD800S17K3_B2
DD800S17K6C_B2
DZ3600S17K3_B2
DD200S33K2C
DD400S33K2C
DD400S33KL2C
DD800S33K2C
DD1200S33K2C
DD1200S33KL2C_B5
DD200S65K1
DD400S65K1
DD600S65K1

MEK300-06DA
MEO500-06DA
MEA75-12DA
MEE75-12DA
MEK75-12DA
MEA250-12DA
MEE250-12DA
MEK250-12DA
MEO450-12DA
MEO500-12DA 
MEO550-02DA 
MEO550-06DA 
MEO550-12DA 
DPG10I200PA
DPG10I200PM
DPG15I200PA
DPG20C200PB
DPG20C200PN
DPG30C200HB
DPG30C200PB
DPG30C200PC
DPG60C200HB
DPG60C200QB
DSEK60-02A
DSEK60-02AR
DSEI60-02A
DSEI2x61-02A
DSEI2x121-02A
DSEI2x161-02P
DPG10I300PA
DPG10IM300UC
DPG15I300PA
DPG20C300PB
DPG20C300PN
DSEP30-03A
DPG30C300HB
DPG30C300PB
DPG30C300PC
DPG30I300HA
DPG30I300PA
DSEP40-03AS
DSEC59-03AQ
DSEP2x31-03A
DPF60C300HB
DPG60C300HB
DPG60C300HJ
DPG60C300PC
DPG60C300QB
DPG60I300HA
DPG60IM300PC
DPG80C300HB
DSEP2x61-03A
DPG120C300QB
DSEP2x91-03A
DPG10I400PA
DPG10I400PM
DPG15I400PM
DPG20C400PB
DPG20C400PC
DPG20C400PN
DSEP30-04A
DPG30C400HB
DPG30C400PB
DPG30I400HA
DSEI2x30-04C
DSEI2x31-04C
DSEP2x31-04A
DPF60IM400HB
DPG60C400HB
DPG60C400QB
DPG60I400HA
DPG60IM400QB
DPG80C400HB
DSEI2x61-04C
DSEP2x101-04A
DSEC240-04A
DSEP6-06AS
DSEP6-06BS
DSEI8-06A
DSEI8-06AS
DFE10I600PM
DSEP8-06A
DSEP8-06B
DSEI12-06A
DSEP15-06A
DSEP15-06B
DSEC16-06BC
DSEI19-06AS
DSEC16-06A
DSEC16-06AC
DSEC29-06AC
DSEC30-06A
DSEC30-06B
DSEP29-06A
DSEP29-06AS
DSEP29-06B
DSEP30-06A
DSEP30-06B
DSEP30-06BR
DSEI30-06A
DSEI36-06AS
DSEI60-06A
DSEK60-06A
DSEI2x30-06C
DSEI2x31-06C
DSEI2X31-06P
DSEC59-06BC
DSEC60-06A
DSEC60-06B
DSEP2x31-06A
DSEP2x31-06B
DSEP60-06A
DSEP60-06AT
DSEI2x61-06C
DSEI2x61-06P
DSEP2x61-06A
DSEI120-06A
DSEP2x91-06A
DSEI2x101-06A
DSEI2x101-06P
DSEC240-06A
DSEI2x161-06P
DSEI12-10A
DSEI30-10A
DSEI30-10AR
DSEI60-10A
DSEI2x30-10B
DSEI2x31-10B
DSEI2x31-10P
DSEI2x61-10B
DSEI2x61-10P
DSEP8-12A
DSEI12-12A
DSEP12-12A
DSEP12-12B
DSEI20-12A
DSEC16-12A
DSEC16-12AS
DSEI30-12A
DSEC30-12A
DSEP29-12A
DSEP30-12A
DSEP30-12AR
DSEI60-12A
DSEK60-12A
DSEI2x30-12B
DSEI2x31-12B
DSEI2x31-12P
DSEC60-12A
DSEP2x31-12A
DSEP60-12A
DSEP60-12AR
DSEI2x61-12B
DSEI2x61-12P
DSEI120-12A
DSEC120-12AK
DSEP2x60-12A
DSEP2x61-12A
DSEI2x101-12A
DSEI2x101-12P
DSEI2x161-12P

現(xiàn)貨供應(yīng)
7MBP100TEA060
7MBP150TEA060
2MBI50N-060
2MBI75N-060
2MBI100N-060
2MBI150N-060
2MBI200N-060
2MBI300N-060
2MBI400N-060
2MBI600NT-060
1MBI600NN-060
1MBI600NP-060
2MBI50N-120
2MBI75N-120
2MBI100N-120
2MBI150N-120
2MBI200N-120
2MBI300N-120
1MBI200N-120
1MBI300N-120
1MBI400N-120
2MBI150U2A-060
2MBI200U2A-060
2MBI300U2B-060
2MBI400U2B-060
2MBI600U2E-060
2MBI50P-140
2MBI75P-140
2MBI100PC-140
2MBI150PC-140
2MBI200PB-140