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上海歐戟貿(mào)易有限公司
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歐戟進口Druck全系列DPI705 0-2mpa

參  考  價:14000
具體成交價以合同協(xié)議為準
  • 型號

  • 品牌

  • 廠商性質(zhì)

    經(jīng)銷商

  • 所在地

    上海市

規(guī)格

46AE 14000元 200件可售

更新時間:2021-06-13 13:04:43瀏覽次數(shù):134次

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歐戟進口Druck全系列DPI705 0-2mpa
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。歐戟優(yōu)勢供應德國工控產(chǎn)品。只要是德國及歐洲的產(chǎn)品,只需您提供產(chǎn)品的名稱、型號及規(guī)格,我們都能在德國為您買到,并送貨到您手上,低價優(yōu)購。

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?。。?/font>

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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)SUCOEuchner、Layher、Schmersal、ContrinexSchneider

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電機驅(qū)動Bosch、BonfiglioliJahns、VEM

夾具模具ZimmerSchunk、OTTPHD、robohand、Berg、Rud

儀器儀表WikaJumo、GMCPhoenix、GOSSEN、Warmbier

電氣元件Siemens、B&R、Vipa、Puls、Murr

 

歐戟進口Druck全系列DPI705 0-2mpa

歐戟進口Druck全系列DPI705 0-2mpa

 

DruckDPI705 0-2mpa
DruckDPI615LP 2.5kpa
DruckDPI611-10G -100kPa-700kPa
DruckDPI610LP 2.5kpa
VarvelFRS60PC 1/40 S/N:0000183562
VarvelFRS50PC 1/40 S/N:0000165717
keystoneGPE50, polyester, 82℃,rating 50,size 9.75*4.5
tunkersK2 25 D A10 T12
ROSSIMRV64-UO03A/V6.80Q
ROLANDUDK20-2PW-ET-S-FP
ROLANDSHX-AZ2-25
ROLANDSHX42-STRAP-80
ROLANDSCPWS-GW 2 x 1 mm2 + 4 x 2 x 0,25mm 2
ROLANDSCI20S-GW
ROLANDSCI20S-GG-TE,20m
ROLANDSCI20S-GG
ROLANDISQ42FS, (ISQ / IEQ42FS: 0,2 m, cable firmly connected, with cable plug)
ROLANDIS42-30GS
ROLANDI20-4-PN-S
ROLANDI20-4-ET-S-FP
ROLAND2395126
ROLAND2395110
ROLAND2395109
ROLAND2277018
ROLAND2277004
ROLAND2276034
ROLAND2276032
ROLAND2276007
ROLAND2276005
ROLAND2275910
JOKAB SAFETYDalton M122
EuchnerTZIRE024PG VAB
PILZID NO:828050 105327;S1 IM230V~240VAC IM0.01~15A
SpiraxSarcoM20H2-DN50-PN40
SpiraxSarcoEP5
SpiraxSarcoC420.0151
SpiraxSarcoBVL504X
SpiraxSarcoBVL306X
SpiraxSarcoBVL302X
SpiraxSarcoBVA325D
SpiraxSarcoBVA315D
RENNERPUTA06955.009700 , IMMERSION PUMP/RE/PP-G/VI/0.65kw/ET=370
RENNERPUTA00055.007400 , IMMERSION PUMP/RE/PVDF/VI/0.37/ET=500
CARLO GAVAZZI1A12DSF02PO 10-40VDC 0.2A
LeuzeDDLS 200/120.1-10;DDLS 200/120.2-10
OBLFP/N:AEPMW01
OBLFLAB:OBLF P/N:OR0500
OBLFAB:OBLF P/N:FSI4004
WIKAUPT-20 WIKA 0-16bar
testotesco 525 0-5000pa
MagneticMA 160 M-FC N.025079
WayneTYPE 400HL
WEGAL80-4
SCHMERSALT3Z068-22YR
SCHMERSALT250-22ZU-1224
SCHMERSALML441-11y-1226
SCHMERSALIFL 15-300-L-11TP
LeuzeRK 93/4-60L
LeuzeRK 93/4-150L
LeuzeLSS 46-S12
LeuzeLSE 46/44-S12
ABBACS800-104-0030-3+N671
ABBACS800-104-0020-3+N671
ABB3BHL000838P5010
ABB3ABD0000040000
KAPSTOGPN350 15
ASCONM4-3107-0000 , S/N:AOA-1127/0729
ASCONM4-3107-0000 , S/N:AOA-1127/0729
MannfilterC630(1205)
P+FNJ1.5-8gm-n
REHAUPLUS DISC 300 Diffuser
TE Connectivity6278082-1
OPTO4 beam infrared detector warning 6.20.1 / 6.21.1 Multi Be
OPTO2 beam infrared detector warning 6.20.1 / 6.21.1 Multi Be
OPTO10 beam infrared detector warning 6.20.1 / 6.21.1 Multi Be
SCHAFFNERFN 356-36-24
WaltherSMS-02/ G230TW
ABBMPS 10/5-230/24/48 100-240V AC/DC
ABBMFS 3N-230V
TurckNI15U-EM18WD-AN6X
SchenckTYP:PL 363N/ 15 PEZ2034
RosselRM-Typ:AL-KB-3,0-250-3, K1.1
RosselRM-Typ WL-3,0-1Pt-AA-150-3
Rossel6-9405-00004-11
Rossel6-9405-00003-11
Rossel2-4006-02294-11
Rossel2-1243-00064-11
SCHMERSALZ1R 235-11Z-M20-1810/2042
ALLEN-BRADLEY100-C09*10 110VAC
StaubliSPX 12.5204
StaubliSPX 08.5203
SitemaSK 032 032
rollentechnik600003-1346N0000-0S-0
RSE40/400W
PIABFCF100P.5R.G46W
OMRONE2E-X7D1G-M1G
TURBO RUHRWERKEOF 64 , Nr.A010755/2
SpiethDSK 75.105
SchniewindtTYP:90/G2-175 Auftrag-Nr:220623.1.7 Spannung:380v3/pe~ Leistung:1800W Schutzaet:IP65
TurckNi2-Q6,5-AP6-0,1-FS4.4X3/S304 10-30VDC
finder55.34 24VDC 5A 250V
VarvelFRS-G60 with KIT"G5"
VarvelFRS-G50 with KIT"G5"
STEGMANN037M 808 444 ART 174112106007-000587
PhoenixSF 16TX 2832849
SERTO248.2402.534
SERTO248.2402.100
SERTO248.1102.180
RS ProPT100? 4×40mm ClassB 285-661
QASS GmbHonly sensor for CiS.01
QASS GmbHCiS.01 Risserkennungsgerät komplett
SFERNICE78PBA 102 1KΩ
SCHMERSALSHGV/R01/217/37+BO
SCHMERSALSHGV/R01/214/36+BO
SCHMERSALSHGV/R01/208/35+BO
INAIR 50ⅹ60ⅹ40
INAIR 50ⅹ45ⅹ25
INAIR 40ⅹ35ⅹ20
INAIR 35ⅹ40ⅹ30
INAIR 35ⅹ30ⅹ25
Vickers1PUL200P35S
suco0166-41103-1-043
suco0166-40404-1-016
suco0163-41203-1-047
suco0110-41203-1-047
CARLO GAVAZZIGTU8
CARLO GAVAZZIG38910020230
CARLO GAVAZZIG34405543230
CARLO GAVAZZIDT01
CARLO GAVAZZIAP1605
maplesystemsHMI5070TH
PARVALUXPM60/W11873/09J
ATOSDKE-1750/2 DC
wielandi need the adapter match the stecker in the picture
HaweSCP-064R-V-DL4-L35-S0S-000
RexrothR978886069
RexrothR978014203
Speroni S.p.AVS4-8
SKF3212A
SKF3212A
INANUKRE 52
INAINA 45 LOVAKIA
INAGEG60-2RS
INAGE80 UK-2RS
INAGE70 UK-2RS
INAGA-50K
UNICO317685
Schenck ProcessV078084.B02
Schenck ProcessV078082.B02
Schenck ProcessE020522.11
SOLDOSB03205-2
Wandres4145954
Wandres4145802 Old DURR NO:K90020160;NEW DURR NO:H99031578
Wandres4145802
roehmRPP-100-2/GA
VEGABR52XXBBICHKMXE
WaltherCT-012-0-L1826-AAAA-Y10 127373
DatalogicA30 S/N:C14E03674 10-30Vdc 1.00-0.33A
SCHUNKNBC 10-5.5 / 0202645
RenoldCODE:PM26M803.OS60 SIZE:JPM26 RATIO:60/1
SCHUNKNBC 10-5.5 / 0202645
SENNHEISERHDA300
heidenhain385-420-70
rexroth+hydacplease see the mail
SIEMENSN-EUPEX 590
LeuzeIHRT46B/4-S12
LeuzeIHRT46B/44-S12
LeuzeIHRT-46/4.01-800-S12
Spirax SarcoTYPE 2PSHE 2HA-56/2/1
HenselMI KL12
HenselD9040
WEDA Roland Werner115024
WEDA Roland Werner114994
KRACHTVCA 2 FB R2X 327498/10-2
MeggerMOM690
ZIEHLT224073
ZIEHLS225195
TiefenbachIKX177L214 L=5M
tuenkersV2-50.1-A10-T12-105
tuenkersV2 63.1 A12 T12 45~105
tuenkersV2 63.1 A11 T12 45~105
tuenkersV2 63.1 A10 T12 45~105
Phoenix ContactDVG-CPC5015 014-HW AG 05
TCTTRAALI047
WINKEL3.054
WINKEL2.054
STEGMANNAG612 XSAP 4096*1 ART Nr4612XSAP4096 SN 75S002865 mit Connector
SCHAFFNERFN3258-7-45
SCHAFFNERFN3258-42-47
SCHAFFNERFN3258-30-47
HagerG35609010
HagerG35609010
HagerG2850
HagerG2850
HagerBRS651709
HagerBRS6517069010
HagerBRS6517059010
HagerBRS6517049010
HagerBRS6517039010
HagerBRS6517019010 230m
HagerBRS651309
HagerBRS651309
HagerBRS6513089010
HagerBRS6513079010
HagerBRS6513079010
HagerBRS6513069010
HagerBRS6513069010
HagerBRS6513059010
HagerBRS6513059010
HagerBRS6513049010
HagerBRS6513049010
HagerBRS6513039010
HagerBRS6513039010
HagerBRS6513019010 98m
HagerBRS6513019010 1152m
HagerBRS0802A9010
HagerBRS0802A9010
HagerBRS0802A9010
HagerBRS08029010 230m
HagerBRS08029010 1152m
HagerBRS08029010 98m
STEGMANNDG60D/60 600plus SN330000041 mit connect
SANKYOSOB506040
SANKYOSOB-253320
SANKYOSOB-202850
SANKYOsob202840
SANKYOSOB-182440 D=24m6, d=18F7, B=40
SANKYOSOB-142010 D=20m6,d=14F7, B=10
KendeilK02S450472-MOLS,450VDC,4700uF 0735 07155
Baumer IVONF212.012AXA2
VIPACP5-BG74 S-00112616
heidenhainLC183/5nm ML 1040mm ID 557680-10 SN 36076849R/M10
heidenhainK03 34 743 545
heidenhain533631-03 568624 64 11
heidenhain323697-09 519930 61 01
AEROQUIPSchlauch 11.006-8/FC332-06X01250
FoxboroSRI990-BIQS7EAA-Y
INAWELLE W6H6X66
PIABFCF100P.5R.G46W
QM bearingsQMTU13J208ST
SQUARE DTYPE:QCWM-3 12-270Bar
SQUARE DTYPE:QCWM-2 6.2-200BAR
SQUARE DTYPE:GKW6 5-250Bar
SQUARE DTYPE:GKW4 1.5-75BAR
SQUARE DTYPE:GJW-1 1-57BAR
SQUARE DTYPE:GFW-1 1.4-69BAR
SQUARE DTYPE:GEW-2 1.4-47BAR
EuchnerTZ-A 057736
SIEMENS1PH8163-1HF10-1BB1 TH.CL.180(H)RN001 No.F6618 8502 02 00
RMGRMG 720 K1A 0.10BAR
RMGRMG 720 K1A 0.09BAR
RMGRMG 330
RMGLECKGAS-SBV 0.060BAR
RMGLECKGAS-SBV 0.035BAR
RMGRMG 720 K1?
RMGRMG 330
RMGLECKGAS-SBV 0.060BAR
RMGLECKGAS-SBV 0.035BAR
PIAB3350069
PINTERType:MANOCOMB-IP65/1K/VA/G12, 0-400bar, Art-No.:M0002A-035-DAO, SN:075208, SP, WEEK:28/2013
ContrinexDW-AH-503-M8-001
SARTORIUSSAT-7446-1-65901-270-0
SARTORIUSPR6201/24D1
Thermovolt AB1 6052-60 with data 60 A 60 mV 0.5%
Thermovolt AB1 1553-15 with data 150 A 150 mV 0.5%
RexrothZDREE6VP4-12/50MG24K24A1M
SIEMENSSZVU7MD008743 6ED1 052-1FB00-0BA5 OUTPUT:DC24V 8A/AC 240V10A
SIEMENSDM8 230R 6ED1 055-1FB00-0BA1 AC/DC 240V
TurckSCHUTZKAPPE SKN/M12 69662
SCHMERSALGF1ÖS D 1ÖS 81121001
SIKO11-K-E6X-3.0-LD-O-0.01/125-1.0*16
PRONET8657208-000-00
XP PowerJHM1024S05
RenishawRGS20S 1M
Phoenix1212466
Phoenix1200102
RexrothDREBE6X-10/175MG24K31A1M
AEGthyro-P 2P 400-170H ASM
AEGthyro P 2P400-495HF ASM
ATBAF 90L/2L-12L+E2/0612 , ATB-No:571651 H , Pfeiffer-No:P 5113 680
SaftyVCGT160408-1L 9650
SaftyDNMG150608-M4 9605
SaftyDCGT070204-1L 9605
IFMPK6734;Pmax:2.5Mpa
wandfluhSIS60V-G24
wandfluhAS2210LA
ELECTRONICON246.237
KSR KueblerARV-1/2"-VUU-L600/12-V52A-3-vest
WABCO002 4090 3410400000 pressure switch for remote control spare part no 125.97.587
TycoCR-OB201BD00-00-0R1
KlaxonQBS-0202 45-716715(RED)
RSFMS 3x.x3MS ML1240mm RI02 Nr.34062097 A-5121TARSD0RF93
EuchnerMGB-L0HB-PNA-R(113232)
EuchnerMGB-L0HB-PNA-L(113233)
parkerWSV10LOMD71
parkerSV10LOMD71
parkerGR10/06SCF
heidenhain557644-10
GemueTYPE:635 20D 1375E12/N
nidecNEVSH-3E-2200
GemueTYPE:635 20D 1375E12/N
JAGERDIN906-R1/4-ST-A2K
JAGERDIN906 A4 R1/8
NordsonEFD 784S-SS
ROLANDP42AGS
ROLANDE20-B-O
ROLAND2276116
Tekon-prueftechnik GmbhTK-AKZ-08-2-5
Tekon-prueftechnik GmbhCable for TK-AKZ-08-2-5
ROFINRBC/411/03/13
ROFINRBC/411/03/108
ROFINRBC/411/03/104
ROFINRBC/411/03/102
ROFIN2RBC/411/03/106
ROFIN1RBC/411/03/105
hartmann&braunPT100 10*2.5mm(G17 416166100000 110380)
TelemecaniqueXS4P12PA340
CraneTilting spreader pulley [SL045014PP]
CranePulley spacer 76031990258
StaubliK4N003589
StaubliK4N003495
StaubliK4N003432
StaubliK4N003430
StaubliK4N003428
StaubliK4N001921
StaubliK4N001876
StaubliK4N001874
StaubliK4N001872
VarvelFRS50 I=49;S-NR:106461
P+FUB6000-30GM-E5-V15
CAPTRONCHT3-151P-H/TG-SR/ST(replacement for CHT3-151P-HA/ST)
SIEMENS6ES7972-0CB20-0XA0 SIEMENS
SIEMENS6ES7331-7KF02-0AB0SIEMENS
GUMMIHTD960-8M-50
GUMMIHTD2504-8M-40
GUMMIGS1600-GM-RS-9M
GUMMIGS1600-GM-RS-9.5M
GUMMIGS1600-GM-RS-8M
GUMMIGS1600-GM-RS-16M
GUMMIGS1600-GM-RS-16.5M
GUMMIGS1600-GM-RS-12.5M
GUMMIGS1600-GM-RS-11.5M
GUMMIGS1600-GM-RS-10M
GUMMIGS1600-GM-RS-10.5M
GUMMIGS1300-GM-RS L=154275MM
GUMMIGS1300-GM-RS L=131275MM
GUMMIGS1300-GM-RS L=119695MM
GUMMIGS1300-GM-RS L=116895MM
GUMMIGS1300-GM-RS L=112055MM
GUMMIGM-152-JFXC
TurkBI20-CP40-VP4X2
RICKMEIERR25/6.3FL-Z-DB 416368
Turck8MB12Z-5-10
Rexroth2FRM16-3x/160LB
asco[X18900001 TPL:24065 24DC 2PCS]
asco[X18900001 TPL:24065 24DC 1PCS]
STANLEY69-799-22 3/32",1/8",5/32",3/16"
Duff-NortonM-9009-40
Remote ControlRC210-DAM ACTUATOR FO5F07-11 Nr.113244
SchneiderTelernecanique XBL Z1803 083609
SKFCMSS 786A-IS
WENDT245839
WENDT245631
baumerBHF 16.05A100/K555
DemagDC-PRO10-980 1/1 H5 V1
SYNCHROFLEXAT10-600 50MM
SIEMENSNMG3F800
SIEMENSNLK3B600L
SIEMENSNJX3B350
SIEMENSNDG3B150L OR NFG3B150L
SIEMENSMFHM4X
SIEMENSCMT3B800
SIEMENSCJT3B300
BIFFI29321570506
SIEMENS3SE2903-1AA20
RelecoER-C EC9-A25X DC24V
SIOUX1AM1551
SIOUX1410R
comar8172632
comar8172018
comar8171635
comar8171039
TRCE65M 110-02807
VaconNXS 0205 5A2H0SSSA1A20000B24
VaconNXS 0038 5A2H1SSSA1A200B400
Kraus & NaimerKG20T103/D-A226KL51
schmidSV23165DT-SGG1 EM-000000370-000
SIEMENS6SL3224-0BE35-5AA0
SIEMENS6SL3224-0BE32-2AA0
SIEMENS3RW4427-1BC45
baumerGXM2H.Z07
RotorkIQ70 F25 A
RotorkIQ40 F25 A
RotorkIQ35 F16 A
RotorkIQ25 F14 A
RotorkIQ20 F14 A
SNFASEA30 7CEF FFL
RotorkIQ70 F25 A
RotorkIQ40 F25 A
RotorkIQ35 F16 A
RotorkIQ25 F14 A
RotorkIQ20 F14 A
GMNM30X42X10
SingleR1910-1 Nr:9210
BURGESSE1M9CTQMS
SMS Elotherm0-73407=003869
BannerT30RW3LPQ1
heidenhainMT1281 ID:331314-02
Reggiana RiduttoriRR 310D MH 154 B5586 M938 531300 NL 151776
suco0180-45703-1-022 Druckbereich:0.3bar~1.5bar Eingestellt aut:UPS 0.5bar/OSP 0.6bar
suco0159-43014-1-001
heidenhain557649-09
ThalheimITD 40 B10 Y 2 1000 H NI VR16 S 11 IP Materialnr 11058879
SamtecMPT-04-6.30-01-L-V
baumerRTD1B14Y3P17100.5D2SR121024VDC
topconDS-100AC
SinusBoogie
Sinus511E type21/4
SPIDEXSPIDEX see the picture
CARLO GAVAZZIG38910020230
CROUZET80149605,24VDC,1,9A,30W,3100U/min
ritter & bader GmbHLWK150/1 1.1KW 1*230VAC
spobuTYPE VNS022FU11AKVR 9P1.9P1 SN2068211-12/2
ContitechS-125-SX-33CE-GIK105*8.75 L=9.4M
ContitechS-125-SX-33CE-GIK105*8.75 L=8M
ContitechS-125-SX-33CE-GIK105*8.75 L=8.6M
ContitechS-125-SX-33CE-GIK105*8.75 L=7.6M
ContitechS-125-SX-33CE-GIK105*8.75 L=7.2M
ContitechS-125-SX-33CE-GIK105*8.75 L=12.5M
ContitechS-125-SX-33CE-GIK105*8.75 L=10.2M
SIEMENS6RA7078-6FV62-0-Z
SIEMENS6FC5114-0AA02-0AA2
SchlegelT22RRRT
SchlegelT22RRGN
SchlegelT22RRGB
SchlegelRRJWA
SchlegelRRJT
SchlegelRRJN
SchlegelRN
SchlegelML
SchlegelMHR_3
SchlegelKF23GN
SchlegelK22RRRT
SchlegelK22RRKL
SchlegelK22RRGN
SchlegelBZOI
SchlegelBZO
SchlegelBZI
SchlegelBL5
ContrinexDW-AS-523-M8-001·
ceme8323VN011S02M01R ,AC208V~240V 50~60HZ 39VA  25bar
RAZIOL1043000800 EBAD 3000 Steuerelektronik
DRAGODB 6200 NO.00064478S
exactThread Inserts M 8 x 1.25 2.5D code:40609
exactThread Inserts M 8 x 1.25 1.5D code:40509
exactThread Inserts M 6 x 1 2.5D code:40606
exactThread Inserts M 6 x 1 1.5D code:40506
exactThread Inserts M 5 x 0.8 2.5D code:40605
exactThread Inserts M 5 x 0.8 1.5D code:40505
exactThread Inserts M 4 x 0.7 2.5D code:40504
exactThread Inserts M 4 x 0.7 1.5D code:40604
exactThread Inserts M 3 x 0.5 2.5D code:40603
exactThread Inserts M 3 x 0.5 1.5D code:40503
exactThread Inserts M 12 x 1.75 2.5D code:40635
exactThread Inserts M 12 x 1.75 1.5D code:40535
exactThread Inserts M 10 x 1.5 2.5D code:40613
exactThread Inserts M 10 x 1.5 1.5D code:40513
MayrS5116769
MayrS3115149
MayrP8101832
MayrP7117649
MayrJN118716
MayrJ9118312
FuchsTKFEU51
HaweGS2-1-N24
HaweGS2-1-G24
CompactMCJT-22-03-35M 519270
ConaxPower Lead Glands 18-*1
SCHLEICHERSNV4063KL DC10-30V
DOLDLG5925
DOLDBA7924.21/200
KranzleSN:IM-40311477
EproPR9268/703-000
EproPR9268/603-000
EproPR6426/010-140+CON021
EproPR6424/010-040+CON021
EproPR6423/014-040+CON021
EproPR6423/000-040+CON021
Eproenduser in China
DANFOSSMBS 4050 060G3276 0-400bar 4-20mA
NORBRO10-RDB40-1SDBEO-D, 04, S91308/4-3
FLUID TEAMEEPDRS3-08-175-2-24V
ElkayElectrical478-7543
DIGICOM SYSTEMSRDR-7585USBPG-PART A

 

1.結(jié)構(gòu)

  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。

基本結(jié)構(gòu)圖

  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。

典型伏安特性

  圖2典型伏安特性

工作原理圖

  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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