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進口德國allectra 301-KAPM-060-PAIR1-10M
產(chǎn)地 | 進口 | 加工定制 | 是 |
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上海歐戟貿(mào)易有限公司,只要是德國或歐盟進口品牌都做?。?!
右上角,歡迎詢價?。。?!
上海歐戟貿(mào)易有限公司
歐戟控制設備(上海)有限公司是歐美備件服務供應商。專注于進口機電設備、儀器儀表等進口設備。
我們的客戶來自汽車(一汽大眾、一汽解放、北京奔馳、奇瑞),汽車下游(大陸汽車、卡斯馬、華域、麥格納),鋼鐵(武漢鋼鐵、山西太鋼、寶鋼),食品(百威、旺旺),能源(中石化、中石油)等多個行業(yè)。
優(yōu)勢品牌
傳感器:HBM、Baumer、KIMO、GE、Kistler、Lorenz、SenoTec
開關(guān):SUCO、Euchner、Layher、Schmersal、Contrinex、Schneider
工業(yè)閥門:Parker、Bucher、Moog、IMAV、AVENTICS、Gemue
工業(yè)泵:Parker、Bucher、Moog、Kracht、Vogel、Hawe
電機驅(qū)動:Bosch、Bonfiglioli、Jahns、VEM
夾具模具:Zimmer、Schunk、OTT、PHD、robohand、Berg、Rud
儀器儀表:Wika、Jumo、GMC、Phoenix、GOSSEN、Warmbier
電氣元件:Siemens、B&R、Vipa、Puls、Murr
歐戟進口baumer全系列GXMMW.A203P32
歐戟進口baumer全系列GXMMW.A203P32
baumer | GXMMW.A203P32 |
FILTERMIST | FX5000 |
BEI | CHM510-13BTS003 |
KTR | ROILX GS42 KTR KUPPUNG STECHNIR GMOHD-4840/RHEINE |
Beck | typ901 14034-0254 |
Autonics | PRCML 18-5DP |
Autonics | PRCM 18-5DP |
Burster Praezisionsmesstechnik GmbH & Co KG | 8661-5010-v0000 |
Burster Praezisionsmesstechnik GmbH & Co KG | 8661-5005-v0000 |
E+H | ftc260-aa4d1 |
Dietz | Motor number:96515 110 225 10 |
Dietz | Motor number:5229 006 687986 B5/250 |
Dietz | Motor number:4489 549 547917 B14/160 |
BROOKS | SLA5863SLPM |
AXIOMATIC | AXTC4 |
AXIOMATIC | AX181000 |
AXIOMATIC | AX070502 |
AXIOMATIC | AX030200 |
L+B | GEL 210K 210y005 |
speck | VZ50-55.0001 |
Kipp | K0120.320X60 |
Kipp | K0108.3121x50 3/M12x50, BK |
BESSEY | VC3 |
CEAG | ELLK 92036/36 S.N 378103D 2006 PTB 96ATEX 2144 LAMP:13-81-IEG 110-254V,50-60HZ |
SEW-DRIVE | KA87 R57 DRS80S4/TF/V |
NETZSCH | NM015BY01L06B |
Mahle | OX398D ECO |
Mahle | OX396D ECO |
Mahle | OC593/4 |
Mahle | OC527 |
Mahle | OC515 |
Mahle | OC497 |
Mahle | OC489 |
Mahle | OC488 |
Mahle | OC485 |
Mahle | OC1196 |
Mahle | OC 1022 |
LENZE | 396200.06.02 |
HEGENSCHEIDT | 1018845-4 |
HEGENSCHEIDT | 1017647-4-Z |
Norgren | 100820604 |
Bender | WXS-500 |
Bender | RCMS460-D-2 |
Bender | B98080016 |
Bender | B94043001 |
Bender | AN420-2 |
Verder | VA25—SASSTFTFTB00 |
TRISK | J203-03-03 |
TRISK | HB-1-32 |
TRISK | HB-1-23 |
Faster | 2FFI12GASF2 |
SICK | WT4-2P301S11 |
MVS | 90D309796 |
ASM | RKWTH-5-298/15M |
ASM | PP-M800-WTC1-PH00-A011 |
ASM | PP-Li-Q25L |
NORD | 71L/4 BRE5 HL |
NORD | 63L/4 |
NORD | 1SI75DH-IEC71-71L/4 |
NORD | 1SI50D-IEC63-63L/4 |
CROUZET | U83161.3 |
HBM | C2,100KN=2mv/v;50Kg-10t;#044930086 |
Krohne | Flowmeter OPTIFLUX4000F DN50 Pmax40barPTFE electrode materials: Ti IP67 Tmax: 120 ℃ |
Krohne | Flow meters Sensors OPTIFLUX 4000F DN350 PN16 PTFE electrode material: 316L IP67 Tmax: 120 ℃ |
WWT | Conductivity Sensor IMS 10/50 Measuring range: 10-3000 uS / cm |
Rexroth | R412012743 |
Rexroth | 0822396207 |
EMG | EMG MCU24.1 |
EMG | EMG EVK2.11 |
JORC | MIC-A JORC |
METAL WORK | 8287369 max 10bar |
Jenaer | ECOSTEP200-UA-000-000 |
Kipp | K0122.2101M10,L=25 |
Kipp | K0122.2101M10,L=20 |
Mitutoyo | Artikelnr:550 497,Sterngriff M6 |
Indeva | L.05.10765/D213516685 |
Indeva | L.05.10764/D213242610P |
Indeva | L.05.10763/D213242610P |
Indeva | L.04.10328/D213242607P |
Indeva | D21401520 |
Indeva | D21191729P |
Indeva | D21191722/113mm |
Indeva | D21035700P |
Indeva | 5TRCD0003(125kg) |
Indeva | 5TRCD0002(80kg) |
nocchi | VLRI-8-160F |
pall | PFC8314-50-KT-H-YV |
pall | PFC8314-50-KP-H |
KAMAT | 7006998 s2 |
KAMAT | 7006660 s2 |
KAMAT | 7004644 s2 |
Kniel | 58110902 |
Kniel | 58110602 |
MIAS | MIAS-SLE-27-16.1-100 NO.0170007 |
MIAS | MIAS-SLE-19-14.1-60 NO.0170024 |
MIAS | MIAS-m=2 z=44 6304 2RS1+Bolt D = 20 x 53.5 mm NO.001003-4 Z 6 |
MIAS | MIAS-m=2 z=38 6304 2RS1+Bolt D = 20 x 53.5 mm NO.001002-4 Z 6 |
MIAS | MIAS-m=2 40-15-2000 mm BB 28 M6 NO.000982-4 Z 144 |
MIAS | MIAS-KRV 30 PP NO.030878-4+ |
MIAS | MIAS-KRV 22 PP NO.030099-4 Z |
MIAS | MIAS-GWF-47.9-25-75 NO.0143171 |
MIAS | MIAS-DIN 6799 3.2 NO.028127-4 Z |
MIAS | MIAS-6202 2RS1 ULR-15-66-22.5-(FL1222)-kpl.-VR0 NO.028478-4 Z 1 |
MIAS | MIAS(KTS)-08B-1 1/2 x 5/16 / DIN 8187 13233 |
MIAS | MIAS(KTS)-08B-1 1/2 x 5/16 / DIN 8187 12402 |
MIAS | MIAS(KTR) 2 2TF 08B-1/z=27 NO.32756 |
MIAS | MIAS(FB Ketten)-FLK 1222 1/2" 2 x 2 L = 13180 mm 16863 |
MIAS | MIAS(Bär)-DIN 17223 Typ D 339A-01 NO.35613 |
HYFRA | VWK90-1-5 09080006 |
Dopag | 401.02.81 |
sew | TYP:MDS60A0040-5A3-4-04 SERIEN-NR:0153705 |
sew | TYP:DFS56H/TF/SM10 |
KEYENCE | PZ-G101GB 10-30VDC |
KEYENCE | PZ-G101CP |
leister | 3300/220-230V 3300-3600W |
Herion | 2631021 |
KEYENCE | PZ-G101GB 10-30VDC |
Novus | NB120-11570 |
NORFI | 39-4700-539 |
MIEBACH | Order 151951 |
MIEBACH | Order 123881 |
MIEBACH | Order 123879 |
MIEBACH | Order 123877 |
MIEBACH | Order 123871 |
Heinzmann | HIA31-76 |
Krohne | OPTIFLUX4000F DN50 Pmax40bar PTFE Ti IP67 Tmax:120 |
Krohne | OPTIFLUX4000F DN350 PN16 PTFE 316L IP67 Tmax:120 |
ALSTOM | SIR4-S8-a |
Hydropa | DS-302-100 |
pbq | pbq 5.2-12 |
Fraba | OCD-DPB1B-1212-C10S-0CC-UL |
Desoutter | 6151654220 ELS12-600-P |
MTL | MES-40-512PE3M |
Honeywell | DBC2000E1018-AV220V |
leine&linde | 861900220 9-30V 1024PPR |
pall | RC861CZ020HYT |
kistler | 5877AK2 |
kistler | 5877AK1 |
kistler | 5700A31 |
kistler | 1200A161A5 |
kistler | 5877AK2 |
kistler | 5877AK1 |
kistler | 5700A31 |
kistler | 1200A161A5 |
Nordson | 324677 |
Nordson | 324665 |
leybord | 6507451 |
leybord | 6506583( |
JUMO | Type SRM-96/10-001.00-61.5114.000056 Nr.:00322904 F.Nr:951100037/0/09/0 |
Niezgodka GmbH | F042398 70.2 |
PFANNENBERG | DTI 9141 |
Schneider | AB28REM24050 |
Bachmann | WT 310 |
Bachmann | PTAI216 |
Bachmann | NT255 |
Bachmann | MX213/w |
Bachmann | MX213 |
Bachmann | MPC 240W-64/512MB CF |
Bachmann | ISI222 |
Bachmann | ISI202 |
Bachmann | FS211/N |
Bachmann | FM211 |
Bachmann | DIO280 |
Bachmann | CM202 |
Bachmann | AIO288 |
HMS | AB7000-B, |
KROMA | MWAI.210-385 |
Laipple | UNIGEAR SCHNECKENGETRIEBE NMS40HU-80/1-IEC63,B14-LAIPPLE |
DEUTSCHMANN | V3553 |
MICRO-MEASUREMENTS | STC-36T-6 |
MICRO-MEASUREMENTS | STC-36T-4 |
MICRO-MEASUREMENTS | P/N 210564 152x101x3,2mm |
MICRO-MEASUREMENTS | CPF-50D |
parker | C5V10-310-B1 |
LAFERT | B36E814M4AL90000 |
Ortlinghaus | 8600-016-14-152000 |
Ortlinghaus | 8600-016-14-142000 |
Ortlinghaus | 8600-016-14-131000 |
Ortlinghaus | 8600-016-14-122000 |
Ortlinghaus | 8600-016-14-095000 |
Ortlinghaus | 8600-016-14-034000 |
Ortlinghaus | 008822635010040 |
Ortlinghaus | 008822627010040 |
Ortlinghaus | 00860630100X000 |
Ortlinghaus | 00860441001X000 |
IHSE | 436-1W DDXI sn088026 datum06.03.08 kontrolle NM |
LENZE | SSN31-1UHCR-063C22 i=10,0.180kw |
LENZE | SSN31-1UHCR-056C21 i=20,0.150kw |
parker | Coil PS1-E23 24VDC 1W VALVE body PS1-E11 |
hydac | BAUSATZ FZP-3/4.0/P/100/70(UKF-3) 10φ Mat-Nr.386535 Fert-Nr.11121010/002 |
KEB | 09B6A3A-9900 , Vers.No.V1.0 |
VISHAY | MODEL:240 |
magneta | 14.110.04.101-005 |
Hawe | HK 24 T/1M-H1,08--A 2/300 -BWH 1 F-FN 1 4-1-1-L 24 -X 84 V-9/400 3 x 400/230 V 50 Hz / 3 x 460/265 V 60 H |
Nass Magnet | 0518 00.1-00/6971 AC220-240V 50HZ |
kollmorgen | AKM52G-ANCNEM00 , SN:102593405 |
Converteam | 29.367479 |
Converteam | 29.353968 |
Converteam | 29.353582 |
Converteam | 29.353561 |
Converteam | 29.353545 |
Converteam | 29.352419 |
Converteam | 29.352157 |
Converteam | 29.233552 |
Converteam | 29.232603 |
Converteam | 29.232341 |
Converteam | 29.226703 |
Converteam | 29.223043 |
Converteam | 29.221719 |
Converteam | 29.217897 |
Converteam | 29.209918 |
Converteam | 29.144472 |
Converteam | 29.144426 |
JUMO | 608001/1810-832-844-10-104-26-26-100/000 |
Heinrichs | TSK1-S145CX0-0-S-50-0 DN150 PN1 |
Schneider | XD2CL3333 |
cleco | mkw419m,SIZE6,,D2241068,528881 |
ROTEX | GS 65511451 |
ROTEX | GS 55512284 |
KRIZ | IN8-30HTPS/16MT/12M |
KRIZ | IN16-30HTPS/16MT/12M |
Landefeld | KH 142 PP , Nr.D.E.07 |
brinkmann | SBG1103 |
brinkmann | SBG1102 |
brinkmann | SBG1101 |
Kistler Instrumente GmbH | 4737AWY1X500S1 |
Megatron | RP20 1KΩ±3% Lin±0.5% |
INGUN | GKS-100 306-250A1000 |
INGUN | GKS-100 306-130A2000 |
INGUN | GKS-100 204-150A1000 |
KOBOLD | KSM-1120HT50R0 |
Heraeus | Multi-Lab Celox |
ORBINOX | VA602 |
ORBINOX | VA502 |
ORBINOX | VA217 |
ORBINOX | VA216 |
ORBINOX | VA214 |
ORBINOX | VA213 |
ORBINOX | HV504 |
IDEAL | RFP10-STB4ASMNI220VAC |
KNF | NMP850KNDC/DC24V |
KNF | N84.3ANDC/DC24V |
KUHNKE | Male 4x1 for 50.061.01 |
IXYS | IXYS:MCC-95-16101B |
GOYEN | 12QA2-CNNNT-7027 24VDC 20-1000KPa 9W |
Grafotec | 600612 S/N 550H-0036 |
FMI | STH2CKCLF17 |
NEUERO | S3365.7000-000027-10/5 |
NEUERO | K3365.7001-000158-8 |
NEUERO | K3365.7001-000155-9 |
NEUERO | K3365.7001-000138-7 |
NEUERO | D3365.7001-000162-3 |
NEUERO | D3365.7001-000161-4 |
NEUERO | D3365.7001-000128-5 088 0003/11 |
NEUERO | D3365.7001-000127-6 088 0003/12 |
NEUERO | D3365.5001-000022-1 |
parker | 0900235 MGG20030 BB1A3 |
NORWIN ELECTRONICS | Type:1750 s/n:B412009 |
Mecafluid | GR-180-01+299 1.75L 0.5L/min |
KNF | 016709 for N023.3ANE |
HANSA-FLEX AG | HD120T, 2m |
HANSA-FLEX AG | HD116T, 2m |
HANSA-FLEX AG | HD110T, 2m |
brinkmann | SBG1101 |
MECA-INOX | VA603 |
MECA-INOX | VA601 |
MECA-INOX | VA504 |
MECA-INOX | VA501 |
MECA-INOX | VA406 |
MECA-INOX | VA405 |
MECA-INOX | VA404 |
MECA-INOX | VA403 |
MECA-INOX | VA402 |
MECA-INOX | VA401 |
MECA-INOX | VA310 |
MECA-INOX | VA309 |
MECA-INOX | VA307 |
MECA-INOX | VA306 |
MECA-INOX | VA305 |
MECA-INOX | VA304 |
MECA-INOX | VA303 |
MECA-INOX | VA302 |
MECA-INOX | VA301 |
MECA-INOX | VA221 |
MECA-INOX | VA220 |
MECA-INOX | VA218 |
MECA-INOX | VA215 |
MECA-INOX | VA211 |
MECA-INOX | VA210 |
MECA-INOX | VA209 |
MECA-INOX | VA208 |
MECA-INOX | VA207 |
MECA-INOX | VA206 |
MECA-INOX | VA205 |
MECA-INOX | VA204 |
MECA-INOX | VA203 |
MECA-INOX | VA201 |
MECA-INOX | VA114 |
MECA-INOX | VA112 |
MECA-INOX | VA111 |
MECA-INOX | VA108 |
MECA-INOX | VA107 |
MECA-INOX | VA106 |
MECA-INOX | VA105 |
MECA-INOX | VA104 |
MECA-INOX | VA103 |
MECA-INOX | VA100 |
MECA-INOX | HV602 |
MECA-INOX | HV506 |
MECA-INOX | HV505 |
MECA-INOX | HV503 |
MECA-INOX | HV502 |
MECA-INOX | HV414 |
MECA-INOX | HV413 |
MECA-INOX | HV412 |
MECA-INOX | HV411 |
MECA-INOX | HV410 |
MECA-INOX | HV402 |
MECA-INOX | HV401 |
MECA-INOX | HV304 |
MECA-INOX | HV303 |
MECA-INOX | HV302 |
MECA-INOX | HV301 |
MECA-INOX | HV206 |
MECA-INOX | HV205 |
MECA-INOX | HV202 |
MECA-INOX | HV201 |
MECA-INOX | HV117 |
MECA-INOX | HV111 |
MECA-INOX | HV110 |
MECA-INOX | HV109 |
MECA-INOX | HV108 |
MECA-INOX | HV107 |
MECA-INOX | HV106 |
MECA-INOX | HV103 |
LENZE | EVS9327-EP |
LENZE | EMB9351-E |
Vahle | BLS20-2-1 |
Vahle | BLK25-2-01 |
Koenig | MB-600-070 |
Koenig | MB-600-060 |
Koenig | MB-600-040 |
Lincoln | SONAR-SENSOR 215.20SU1-10BL-L220 |
Georgii | KD0325 |
parker | ZRE-B03-D1(098-91428-0) |
parker | ZRE-AB02-E1(098-91300-0) |
parker | ZRE-A03-C1(098-91425-0) |
parker | ZRD-AZ02-S0-C1(098-91059-0) |
parker | ZRD-ABZ03-S0-C1(098-91421-0) |
parker | ZRD-ABZ02-S0-C1(098-91061-0) |
parker | ZNS-AB02-5-S0-C1(098-91137-0) |
parker | ZNS-AB01-5-S0-C1(098-91131-0) |
parker | ZDV-P03-5-S0-C1(098-91418-0) |
parker | ZDV-P02-5-S0-D1 |
parker | ZDV-B02-5-S0-D1(098-91039-0) |
parker | ZDR-P02-5-S0-D1(098-91051-0) |
parker | SPZBE1010E16N |
parker | SCP-600-24-06 |
parker | SCP-400-34-07 |
parker | RHZ30SREDOMDCF |
parker | RHZ18LREDCF |
parker | RHV20SREDCF |
parker | RHD30SCF |
parker | RHD16SCF |
parker | QXWL13 |
parker | QTYH-40 |
parker | PVCRCRCN1 |
parker | PVCMAMCN1 |
parker | PVCFEU2N1 |
parker | PVCFAUBN1 |
parker | PVAPVV51N |
parker | PVAPVV41N |
parker | PVACRES-N3511 |
parker | PVACPPUMN35 |
parker | PVACPPS-N3511 |
parker | PQDXXA-Z00 |
parker | PGE.1001.400 |
parker | PGE.1001.100 |
parker | PCD00A-400 |
parker | FL-1000-1-OR T/LL122/12 |
parker | F48117C |
parker | D91VW015C4NJW3A |
parker | D41VW2F2NJW |
parker | D41VW20B2NJW |
parker | D3W2ENJW |
parker | D3W20BNJW |
parker | D3W004CNJW |
parker | D1VW020HNJW |
parker | D1VW004CNJW |
parker | CM3DDV |
parker | CM2BBV |
parker | CM2AAV |
parker | CE080C08S00N |
parker | CE040C04S00N |
parker | CE016C04L00N |
parker | C5V16-310-B1(026-70476-0) |
parker | C5V12-611-B1(026-67058-0) |
parker | C5V12-312-B1(026-67067-0) |
parker | C5V12-310-B1(026-71485-0) |
parker | C5V10-330-B1(026-71484-0) |
parker | C5V08-330-B1(026-71481-0) |
parker | AWEF004D06 |
parker | AK-D3WSJW30 |
parker | AK-D1VWCJW91 |
parker | ABL2G11/4 QXWL13V |
parker | 9N800S |
parker | 9N1200ST |
parker | 9F800SF |
parker | 9F1600SF |
parker | 9C800S |
parker | 9C2400S65 |
parker | 9C1200S |
parker | 924453Q |
parker | 5004109 |
parker | 5004109 |
parker | 4VP01-50-G12-B1 |
parker | 29528700 |
SIEMENS | 5SY4335-7 |
SIEMENS | 3RH1131-1AP00 |
MANGACHOC | FIXATION BOLT FLAP EV ND500 |
MANGACHOC | BUSH D75 60X39.5 |
MANGACHOC | BUSH D65 50X40.5 |
Guenther | 2xNiCr-Ni/K 0-1200°C length=5001 |
Guenther | 2xNiCr-Ni/K 0-1200°C length=1000 |
Guenther | 1xPt100-500mm-500mm |
GE | EPC IC695SPC100 |
GE | EPC IC695PSD140 |
GE | EPC IC695PNC001 |
GE | EPC IC695PBM300 |
GE | EPC IC695CPE330 |
GE | EPC IC695ACC402 |
GE | EPC IC694MDL753 |
GE | EPC IC694MDL655 |
GE | EPC IC694BEM331 |
GE | EPC IC694ALG392 |
GE | EPC IC694ALG222 |
GE | EPC IC200PWR102 |
GE | EPC IC200PWR002 |
GE | EPC IC200PNS001 |
GE | EPC IC200MDL750 |
GE | EPC IC200MDL650 |
GE | EPC IC200MDL331 |
GE | EPC IC200MDL243 |
GE | EPC IC200MDL240 |
GE | EPC IC200ALG261 |
VisiCon | DPP DPP3 |
norelem | 29014-512 |
norelem | 27872-603333 |
norelem | 06410-2061 |
norelem | 03090-2105 |
norelem | 03030-06 |
norelem | 03020-105 |
norelem | 02020-410 |
norelem | 02020-210 |
INFICON | PCG550 3PC1-001-0000 |
GKN | Typ 687.40 Ausf. 0.02 la=110,Beugwink.25GradTK=10500Nm |
PCH | PCH1270-CHF80XX S/N 2011360066 |
JUMO | TYPE 902810/13 TN:48462849.2615 |
VEM | K21R 100L 4 TPM140 SN:0697512002709H , B35FF215 |
SICK | UE43-2MF2D2 6024893 |
SICK | SX0B-B1510G 2034265 |
MASCOT | type 2542 |
GMC | LSP-KONSTANTER 32 K 18 R 5 100-18 |
GMN | KH61909-2RZ |
FEIN | ASCM 18 QX 71160461 |
Kuenle | KTE2W 90 S 4 KT IE2 Nr. 300185,pls see the pic |
VEM | IE2-WE2R 90 S2;pls see the pic |
GEFRAN | PK-M-0600 0000R5K0XOC LIN +0.05% R 5K |
nordmann | SN:15610 |
nordmann | SN:1512 |
hydac | 2600R010BN4HC/-B4-KE50 |
vishay spectpol | 534-1-1 5kΩ |
INGUN | HSS120-306-250A-2000G L=37.5 |
Nanotec | l4218m1404-khen |
MSE-Filterpressen GmbH | CODE:100023062 |
KOCH | BWD1000033 |
Nanotec | ST4218M1404-KHEN |
Nanotec | L4218M1104-KHEN |
MULTI CONTACT | TID-B/150-35 |
MULTI CONTACT | 5.0443 |
MULTI CONTACT | 30.05 |
MULTI CONTACT | 30.0101 |
MULTI CONTACT | 30.01 |
MULTI CONTACT | 30.0039 |
MULTI CONTACT | 1.0443 |
Jenaer | ECOSTEP200-UA-000-000 |
Contitech | HOSE13x19 SCHWARZ EPDM PHOENIX TRIX-ROTSTRAHL |
JAKOB | km 600 |
Rexroth | PPC-R22.1N-T-NN-P2-NN-FW |
Rexroth | 0820 060 261 |
Kalinsky | DS2-420 |
miniBOOSTER | HC3-2.0-B-H |
JAKOB | KM 600 |
Camozzi | K000-303-KH3MS01 P.0-7bar T.0-50℃ 24VDC 0.90W |
RIETSCHLE | VCE25 0.75KW 50HZ (with IZVF20) |
parker origa | PRE-U , Nr.PS11110-A |
單結(jié)晶體管的內(nèi)部結(jié)構(gòu)、符號表示、等效電路以及引腳排列,如圖1(a)、(b)、(c)、(d)所示。引腳b1、b2分別為第一基極和第二基極(雙基極),e為發(fā)射極。e極和N型硅片間構(gòu)成一個PN結(jié)。PN結(jié)A點至兩基極間的等效電阻分別用rb1和rb2表示。兩基極間的電阻用rBB表示,rBB=rb1+rb2。
圖1 單結(jié)晶體管結(jié)構(gòu)圖
2.工作原理和特性
單結(jié)管的伏安特性曲線示見圖2。共分三個區(qū)——截止區(qū)、負阻區(qū)、飽和區(qū)。
圖3為單結(jié)管的工作原理圖。在電路中讓基極2(b2)比基極l(b1)電位較正,圖中電源電壓VBB的正極接b2、負極接b1;發(fā)射極接觸發(fā)電壓VE。
即使單結(jié)晶體管處于截止區(qū),從B1到B2仍有少量電流。沿著N型硅片存在著一個電壓梯度VA。發(fā)射極電壓VE等于啟動或峰值電壓VP(VP =VA+VD,VD為eb1之間的正向壓降,一般約為0.6~0.7V。),PN結(jié)是正偏置,單結(jié)晶體管導通。啟動時,b1和E之間的電阻很快的降低,從b1到b2的電流增加,同時從E也有一個相當大的電流流出,使rb1為低阻態(tài),管子也進入負阻區(qū)。VE低于低谷電壓(VV)后,管子進入飽和區(qū),使單結(jié)晶體管截止。發(fā)射極啟動電壓VP是由分壓比η= rb1/rBB確定的。
圖2典型伏安特性
圖3 工作原理圖
單結(jié)晶體管具有負阻特性,利用這一特性可以組成自激多諧振蕩器、階梯波發(fā)生器、定時電路等脈沖單元電路,被廣泛應用于脈沖及數(shù)宇電路中。
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