险丝(fuse)也被称为电流保险丝,IEC127标准将它定义为"熔断体(fuse-link)"。由电阻率比较大而熔点较低的银铜合金制成的导线叫做保险丝。最初用铅锑合金做的保险丝已因安全原因被淘汰。当电路发生故障或异常时,伴随着电流不断升高,并且升高的电流有可能损坏电路中的某些重要器件或贵重器件,也有可能烧毁电路甚至造成火灾。若电路中正确地安置了保险丝,那么,保险丝就会在电流异常升高到一定的高度和热度的时候,自身熔断切断电流,从而起到保护电路安全运行的作用。
LBL-9652 |
WFD163MT64T |
TDA3D5WT$ID |
NMP4370717 |
4370717 |
TZC5HRTT |
NMP70849 |
4370849 |
STTZA8IEGT |
TZA8IEGT$GB |
NMP70731 |
4370731 |
A807EEGT |
A807EET$PB |
NMP70777 |
4370777 |
L6904TR-BGA |
L6904TR-BGA-1C |
437L185 |
NMP70165 |
4370165 |
NMP70649 |
4370649 |
WFD170CT64T |
WFD170CT64T$PD |
NMP70183 |
4370183 |
STTZA8HEGT |
STTZA8HEGT$PB |
NMP70667 |
4370667 |
WFD163IE64T/8 |
WFD163IE64T/8$GB |
437X0573 |
WFA157DT100T |
F741817BPBLR |
437L187 |
TZA5BHDT |
TZA5BHDT$XX |
437C055 |
T84.6FE |
T84.6DCFET |
T84.6DCFET$PM |
432B074 |
M28W160BT100GB6T |
8M160BTGB6AT |
WFD175AT32T |
WFD175AT32T$PB |
NMP70527 |
4370527 |
NMP70107 |
4370107 |
WFD163KF0T/8$IL |
WFD163KE84T/8 |
NMP70631 |
4370631 |
WFD165BT32T |
WF65C5VT$IB |
NMP70525 |
4370525 |
WF75B5UT$IB |
TZA6DHDT |
TZA6DHDT$PB |
NMP70857 |
4370857 |
M28W320E |
NMP41313 |
4341313 |
M28W800BT |
SC79446VFR2 |
5.10988E+91 |
MC13751FCR2 |
4341283 |
XF721864GGUR |
NMP70487 |
4370487 |
TCM9105BGGVR |
NMP70507 |
4370507 |
SN32463PWR |
NMP70703 |
4370703 |
DC289AGZGR |
NMP75013 |
4375013 |
TWL91302GGVR |
NMP70603 |
4370603 |
PTRF5101GQCR |
NMP7E004 |
4370000 |
X757901ADTGQWP |
NMP7C090 |
437C090 |
CF151DCGHZR |
XF731785FPBLR |
NMP70645 |
4370645 |
RF9209E6.3 |
435C027 |
RF9318E3.1 |
435C033 |
RF9318E5.1 |
435C053 |
RF9259E2.1 |
43C065 |
435C037 |
435C073 |
435C074 |
435C103 |
435C120 |
435C112 |
435C102 |
435C105 |
435C059 |
435C070 |
4350413 |
435C101 |
K6F1612U4B-FF70 |
NMP40903 |
4340903 |
PF208702R04 |
NMP70893 |
4370893 |
PMB3365G |
NMP7C209 |
437C209 |
SKY77402-17 |
435C136 |
SKY77403-16 |
4355679 |
CX20504-13 |
437C174 |
CX77111 |
435C055 |
CX77128-17 |
4350395 |
RI21022 |
NMP70061 |
4370061 |
CX77134-16 |
NMP50419 |
4350419 |
CX77127-14P |
45C030 |
NMP7C083 |
437C083 |
NMP7C074 |
437C074 |
NMP5C030 |
435C030 |
NMP7C073 |
437C073 |
NMP7C087 |
437C087 |
NMP7C082 |
437C082 |
NMP7C169 |
437C169 |
NMP70063 |
4370063 |
DCH233PK-E4 |
432Z064 |
451B067 |
NMP5C021 |
435C021 |
NMP5C045 |
435C045 |
SC28F32088TC70 |
NMP40997 |
4340997 |
MD59-0009TR |
NMP70535 |
4370535 |
MD59-0010TR |
NMP70515 |
4370515 |
MD59-0008TR |
NMP70511 |
4370511 |
MD59-0008B |
STEALTH-YE |
NMP7C036 |
437C036 |
NMP70249 |
4370249 |
NMP70347 |
4370347 |
NMP11027 |
4511027 |
NMP70521 |
4370521 |
NMP70865 |
61AS |
AT24C128N-10SI-2.7 |
NMP40357 |
4340357 |
AT24C1024C21-10CI-2.7 |
NMP41633 |
4341633 |
AMC2244DMT |
AMC7660DMT |
AMC3526HDMT |
AMC3526LDM |
AMC3526LDMT |
AMC431DMT |
AMC3842ADMT |
AMC7123DNFT |
AMC7123DNT |
AMC7627-5.0DMT |
AMC7627-3.3DMT |
AMC7124DMT |
AMC78L05DMT |
BU2505FV-E2 |
2505FV |
BU2500FV-E2 |
2500FV |
BA3530FS-E2 |
BA3530 |
LM239D |
APA2020ARI-TR |
CM3843CSTR |
K3N4C1W2TD-GC12T00 |
ICQ9680SP101A-D |
CSM04079N |
ICQ3106A-D |
CSM11181AN |
ICQ3078A-D |
CMM19057N |
ICQ3222A-D |
CSM10274AN |
ICQ319A-D |
CSM04035N |
ICQ3212A-D |
CSM10270AN |
GC80960RD66 |
S21152BB |
S21152AB |
N89C026LT |
AT27C010-70JC |
MC13111FB |
MC33161DR2 |
SC13111UFB |
MC13109FB |
SC27970PK390 |
MC34119P |
MC74HC595AN |
TSC74HC595AN |
MC3357P |
MC34214P |
LSC4371P2 |
MC14049UB |
74HC4066 |
MC-7631 |
UPD789104AMC-604-5A4 |
UPD789104MCA-535-5A4 |
UPD75116HGC-047-AB8 |
UPD75117HGC-048-AB8 |
UC2055 |
UPD7311G2-E2(MS) |
UPD75112CW-222(MS) |
UC-1748(UD-362) |
UPD753016GK-726-BE9 |
UPD75116HGC-726-BE9 |
UPD753016GK-078 |
UPD75116HGC-055-AB8 |
UPD75116HGC-050-AB8 |
UPD75116HGC-072-AB8 |
UPD75116HGC-068-AB8 |
UPD75116HGC-051-AB8 |
UPD75116HGC-064 |
UPD75116HGC-063 |
UPD75116HGC-026 |
UPD753016GK-708-BE9 |
UPD753016GK-737-BE9 |
UPD789445GB-022-8EU |
UC2785 |
UPD753012A-724 |
UPD780024AGK-C11-9ET |
UPD710055GB-3B4 |
UPD7508G-E60 |
UPD75116HGC-108-AB8 |
UPD753012A-717 |
L502B223K1 |
UPD780024AGK-B07-9ET |
UPD75108AGC637 |
UPD75116HGC-147 |
UPD75116HGC-073 |
UPD75116HGC-083 |
UPD780055GK-A20-9EU |
UPD75116HGC-089 |
UPD75116HGC-111 |
UPD75108GF-N61-3BE |
UPD65612GF196 |
CM339CS |
CM494CS |
BU4066BCF-E2 |
BA10339FV-E2 |
BU9253FS-E2 |
9253FS |
BA7001 |
BA5208AF |
BR24C32F-E2 |
BD3987FV-E2 |
BA4560F |
B09FP-E2 |
BR93L66FV-WE2 |
BU8313K |
BU8317KV |
MBM29LV400TC-90PFTN-FK |
MB15F53ULPFT-G-BND |
MB90562PFM-285-BND |
UC2798 |
MB90657PM-G-107-BND |
UC2530 |
MB87006APF |
MB90478PF-G-153-BND |
MB8719 |
T7778A |
TC8074F |
TMP42C243H-FN87 |
TC74HC04AF |
TC74VHC04FT |
TB31262AF |
TC74VHC04F |
TC514256BFT-60 |
TB3124F |
TC58FV1V16T2ATG65 |
TC4066BP |
TA8747N |
AIC-7870P |
AIC-7870CP |
AIC-8265BQ |
AIC-8265Q |
AIC-85C71BQ |
AIC-85C71Q |
AIC-8381AQ |
AIC-8381Q |
M34552M8H-315FP |
M30624MGP-168GP |
UC2924 |
HD74HC08RPEL |
M38C59MF-114HP |
23400137 |
23400137-004/E |
M24C32-WMN6T |
M24C32-WMN6T/BBA |
24C32W6 |
STB5NC50T4 |
STB5NC50T4$Z |
B5NC50 |
STI3520ACV |
STI3520ACV-X |
S720TP2BX50S |
L4971 |
M27C512-12F1 |
24C02 |
STV0119A-ADP |
LC876A48C-56S3-E |
LC876848C-53S3-E |
01MCRSA074B |
LB1638M-T-T1 |
LB1834M |
LC5872S-1F54 |
LC5872S |
LC875C64B-56P4-E |
AH11-00184C |
LC876A48C-57K4-E |
01MCRSA072C |
LC587008-1E258 |
LC587008 |
LA72636M-MPB |
LA72636 |
LA8633V-TRM |
LC78833M-TLM |
LC78833M |
LC8P50A-873 |
LA5550M |
LC78832M |
609-0392146 |
61458-002 |
CD74HC74M96 |
CD74HC32M96 |
74LV14D |
74LV02D |
74LV27D |
74F86D |
74LV00D |
TEA1081 |
74HCT541N |
TEA1067 |
74HC245 |
74HC08DB |
CF64149PGJ |
SN74AHC32PWR |
CD74HC4052NSR |
SN74HC138NSR |
LM393ADR |
TLV320AIC22 |
AIC22 |
CD4051BE |
SN74LV273ADW |
SN74F374 |
KA3403D |
S3C7004E33-AVB4 |
S3CA18D96-QZR8 |
UC2090 |
KS57C5016X-D4D |
KS57C0108-62D |
S3P5744XZZ-AMB4 |
S3C7F05D45-QTRS |
KB8527BQ-2 |
S3C004E33-AVB4 |
UC1844 |
LT455BW |
33S-455F |
MA-406 |
16.384MHZ |
S1T8602B01-S0T0 |
148810 |
HC32 |
MBRM12LT3G |
LF-235 |
MB-20 |
GL6962D |
M50560-420GP |
UC1632 |
M38257M8H-114GP |
UC1865 |
M38022M2-058SP |
M74LS51P |
M35010-102SP |
M51132L |
24LC08BT/SN |
CAT24WC32J-TE13 |
CAT24WC08J-TE13 |
MM1333JMBW |
333J |
NJM2904V(TE1) |
2904V |
NJM4580V(TE1) |
4580V |
NJM2904D |
2904D |
NJM2901M |
2091M |
NJM2902 |
HD74HC00FPTR |
HD74HCT245FPEL |
HD74ACT139FPEL |
HD4048412A13H |
HD14538BP |
S02716F |
CXA1293N-T4 |
CX-16F |
ALP101A-1-TA |
CXA1875AM-T4 |
CXA1003BN-T4 |
CXD8615AQ |
CXD9617AQ |
CXA2951GA-2 |
ST1116A |
74F74SCX |
74F151ASCX |
SC14438 |
LM2903N |
LM1295N |
74F646 |
AN8473SA-E1 |
74LCX08MTCX |
74ACT08 |
AP8942A-002Z-S0PG |
D36529UAF51BQC |
TMF528C0079B |
D36529UAB51BQC |
TMF528C0011B |
UC2833A |
D3659UAB11CQC |
TMF2510002C |
D36529UAD51BQC |
TMF528C0014B |
D36529UAI51AQC |
TMF528C0021A |
D36529UAP51AQC |
TMF528C0034A |
UC3118 |
D36529UAC51AQC |
TMF528C0013A |
UC2828 |
D36529UAK51AQC |
TMF528C0029A |
D36569UAG11AQC |
TMF251A0007A |
D16559UAN11AQC |
TMF6047H0034A |
D36569UAA11DQC |
TMF5605D0003D |
D36569UAF11AQC |
TMF605G0039A |
D36529UAE51CQ |
TMF528C0018C |
D36569UAE11BQC |
TMF605G0028B |
D36529UAE51BQC |
TMF528C0018B |
D36569UAC11CQC-3V |
TMF5047D0004B |
D36559UAJ11AQC-3V |
TMF6047H0029A |
DE56UA568AX1CQC |
TML348G0018C |
UC2852A |
D16559UAM11AQC |
TM604740033A |
UC2780 |
RF251-12 |
1605J--ELR30-DB |
UC2706 |
UC2294 |
UC2246A |
MY-0020(001) |
MY20 |
UC1562 |
UC-1968 |
UC2734 |
UC2292 |
UC2644 |
UC2290 |
UC2737 |
UC2213 |
UC2060 |
UC2255 |
UC1933 |
BMXY142101 |
BMXY1197001 |
BMYY0023001 |
MY23 |
BMXY1293102 |
BMXY1352101 |
MY39 |
UC1837 |
UC2719A |
UC2529 |
UC2345H |
UC2175 |
UC2801 |
UC-2060A |
UC1719 |
UC2564 |
UC2124 |
UC2099 |
UC2967 |
UC2799 |
UC2324A |
UC1394 |
UC2217 |
UC2308 |
UC2550 |
UC2639 |
UC-1942 |
UC2330C |
UC2333 |
UC-1939 |
BMXY1413103 |
14133G |
BMXY1198002 |
BMYY0012001 |
MY12 |
BMXY1417102 |
BMXY1300102 |
MX-1413(101) |
1413HU |
BMXY1451101 |
14511 |
BMXY1365101 |
1365A |
BMXY1293101 |
12931 |
BMXY1376101 |
13761 |
BMXY1480101 |
14801 |
BMXY1502101 |
15021 |
BMXY1373001 |
13731 |
BMXY1399001 |
1399A |
BMXY11298001 |
12981 |
MY06 |
BMXY1401001 |
14011 |
BMXY1470101 |
147GU |
BMXY1351002 |
13512 |
BMXY1294002 |
12942 |
BMXY1423101 |
1423LU |
UC2738 |
M38223M4H-460HP |
UC2954 |
UC2484 |
UC2800 |
UC2941 |
UC2576 |
HD6433827A39H |
UC1728 |
UC2881A |
UC2918 |
HD404849B92 |
UC2739 |
M38223M4H-459HP |
UC1835 |
SC427288FB |
UC2725 |
BMXY145801 |
14581 |
UC2743 |
UPD789022GB-A28-8ES |
UC-1882 |
UC2408 |
UPD780058GC-479-8BT |
BMXY1499101 |
14991 |
HD6433624SA34H |
HD6433624A34H |
UC2834 |
UC2763 |
UC2654A |
UC2295 |
MB89174LPF-G-207-BND |
UC1920A |
UPD75117HGC-055-AB8 |
UC1913C |
UC2045A |
UC-1917 |
UC2070A |
UC2070 |
UC1882 |
UC2303 |
UC1954 |
UC1893A |
UC1785 |
UC2595 |
UC2559 |
UC2475 |
UC2542 |
UC2335B |
UC2332 |
UC3076 |
UC2418 |
UC2339A |
UC2597 |
UC2461 |
UC2097 |
UC2663 |
UC2281 |
UC2580 |
UC2364 |
UC2457 |
UC1954A |
UC2450 |
MX7001 |
BMXY1294001 |
12941 |
BMXY1459001 |
1459J |
BMXY1414102 |
14142 |
BMXY1330001 |
13301 |
BMXY11449101 |
14491 |
MX1400 |
BMXY1374101 |
13741 |
BMXY1479101 |
14791 |
BMXY1457001 |
14571 |
BMXY1195001 |
11951 |
BMXY1293001 |
BMXY1428001 |
14281 |
BMXY1505001 |
15051 |
BMXY1373101 |
13731 |
BMYY0025102 |
MY25 |
BMXY1297001 |
1297J |
BMYY0032101 |
MY32 |
BMXY167701 |
16771 |
BMXY1406101 |
14061 |
BMXY1424101 |
14124 |
UC2392 |
UC1829A |
BMXY1492101 |
1492J |
BMXY1490101 |
14901 |
BMYY0030001 |
MY30UA |
BMXY1422101 |
14221 |
BMXY1333101 |
13331 |
BMXY1296001 |
12961 |
BMYY0050101 |
MY50 |
BMXY1507101 |
15071 |
BMXY145301 |
14531 |
BMXY1505101 |
BMXY1350001 |
1350C |
BMXY1374001 |
13741 |
BMXY1405001 |
1405D |
BMXY1330101 |
13301 |
MX7007 |
BMYY0007001 |
MY07 |
BMXY1448001 |
1448AU |
BMXY1491101 |
1491LU |
BMXY1292002 |
12922 |
BMXY1408101 |
14081 |
BMXY1331101 |
13311 |
BMYY0006001 |
BMYY0035001 |
MY35WJ |
BMXY1508101 |
15081 |
MX-1304 |
1304M |
BMXY1364001 |
13641 |
BMXY1428101 |
BMXY1509101 |
15091 |
BMXY1333001 |
13331 |
BMXY1455101 |
14551 |
BMYY0029001 |
MY29 |
BMXY1325001 |
13251 |
BMXY1349001 |
1349N |
MX-1305 |
BDEY3426001 |
BMYY0009001 |
MY09 |
BMXY1201002 |
12012 |
BMXY1406001 |
4061 |
UC2263A |
UC1642 |
HD404829B68H |
UC1930 |
UC1726 |
UC2096 |
UC2626 |
UC2773 |
UC2098 |
UC2084A |
UC2560 |
UPD780055GC-013 |
UC3089 |
UC2632 |
UC2675 |
UC2578 |
UC1824 |
UC2540 |
UC2212 |
UC2574 |
UC1976 |
UC2331D |
BMXY1438101 |
14381 |
UC2581 |
BMYY0024102 |
MY24 |
UC2971 |
UC2055A |
UC2973 |
UPD789446GB-018-8EU |
UC2726 |
UC2332A |
UC3019B |
UHIC-070A |
UC1648 |
MX7004 |
MB89626RPF-G-451-BND |
MB90562PFM-G-236-BND |
MB90562PFM-G-135-BND |
MB90562PFM-G-189-BND |
MB9174APF-G-195-BND |
MBM29LV160TE-70PBF-0E1-002 |
M7718 |
L7074-002 |
01MCRA085C |
01MCRSA064B |
GT6801 |
P0K51-014 |
1022-51 |
ACE9050C/IW/FP8N |
ACE9050 IW |
CAK0047ZA |
MSP2100-CA-A |
RTL82011 |
ML7093-410D41TB |
UC2826 |
UPD780058GC-023-9B7 |
UC-2248 |
UPD780058GC-443-98BT |
UC2736 |
UPD753106GK-714-BE9 |
UPD753012A-753 |
UPD7800585-GC-479-8BT |
UC2408C |
UPD6105C |
UPD17216GT-547 |
UPD17216GT-558 |
UPD17216GT-703 |
UPD17216GT-566 |
UPD17216GT-576 |
DUL36569UAD11AQC |
TMF605G0025B |
UC2943 |
D6471C11CQC |
TM5539A-0003A |
DUL36107UAD11AQC |
TMF529G0068B |
UC2978 |
DUL36119UAD11AQC |
TMF529G0058B |
UC2959A |
DUL36569UAE11AQC |
TMF605G0028C |
UC2957B |
DUL36119UAC11AQC |
TMF529C0044A |
UC2931 |
D16559UAH11AQC-3V |
TM6047H0019A |
UC2656 |
CS5001C60 |
CS5001C50 |
LANF7236A |
6676 |
LU59001 |
TOP255Y |
AZ339P-E1 |
AZ339P |
PLL0305A |
SM5126BP |
HT93LC46 |
AT24C21PC25 |
RT603-8 |
95.2106C |
16N20-004U |
D74HC273E |
J1-05150 |
HM62256BP-70 |
PLL2002A1 |
S1WB |
PJ43CD |
ZH299 |
CM3842CP |
LVT-817-CN |
6148-K420PH-43A |
CA3140EH |
PJ494CD |
SVH-5A |
PEEL18V8P |
TDA2822 |
MTV012-13 |
6N135 |
DM311 |
MTV004N |
CD8227GP |
CD2003CP |
YD2822 |
YD820 |
JQX-68F012-1HS |
ME-14FW |
HM1H |
74F657D |
74LS241D |
LC76 |
B8344AM |
TC4053BF |
2132FN |
NE555 |
78M05 |
W27L020P-70 |
MFP39SF010-90-4C-NH |
TMS29LF040 |
T2241628-3SJ |
CS8552P |
A3W-K |
MC34063 |
74AC08 |
LS132 |
X9313T |
74F04 |
SC6121-001 |
NJM3001 |
3001 |
SN74ALS810 |
74LS132 |
ADM232AARN |
M52055FP |
TC35095AF |
PI5C16211A |
HT6P200 |
TA2109F |
MC33219ADW |
6320E |
MB87006A |
93I940 |
PT221-002 |
IR3S72 |
74ABT245C |
BA8649FM |
74LS10D |
4089G |
TEA1522E |
TDA9105 |
SX-2112 |
BA8877 |
VK-105B0463A1 |
UC-1759A |
F090-167 |
AT24C32AN-10S1-1.8 |
C10A |
UC-2076 |
16114FP |
AS-211D |
TC74VHC74A |
74HC4094A |
C1157 |
STMP3520B |
SC390022FBR2 |
51806040 |
SC38GG021PG02R |
510570U50 |
SC509905CFU2R2 |
5185602M01 |
UPD64MC-709-5A4-E2 |
UPD63GS-432-T2 |
UPD61MC-792-5A4-E2 |
UPD63GS-428-T2 |
UPD64GS-432-T2 |
UPD64AMC-862-5A4-E2 |
UPD64AMC-739-5A4-E2 |
UPD64AMC-284-5A4-E2 |
UPD64AMC-856-5A4-E2 |
UPD64MC-789-5A4-E2 |
UPD64AMC-887-5A4-E2 |
UPD64MC-786-5A4-E2 |
UPD64AMC-734-5A4-E2 |
UPD78055GC066 |
MX23C1010MC-12 |
BA6849FM-E2 |
BH7862FS |
MSM531622F-62GS-KDRI |
MSM531622F-47GS-KDRI |
MSM531622F-76G |
6830B-GCC02 |
HEA3841CN |
TB62717F |
AT76C503A |
R6669-12 |
L393W/U |
L3903-54 |
L2800-38 |
RP144D |
R6764-68 |
GS7070-174 |
CL-MD4450C-SC-B |
ND3050-LD |
CL-MD3450C-SC-B |
AT015 |
620-0015-710 |
LC78411 |
CY7C1329G-133AC |
GS3771-174-C01H |
TM54S816T-6 |
88E3082-BA |
LXT970AQC |
DQ82536EP |
W90210F |
M29W160EB-70N6 |
ARC285-B |
66830B-GCC02 |
66830A-GBB02 |
7052-LF |
SD1210-2 |
W9971F |
T1L1024N |
IX1733GEN2 |
851H-1A-C |
001J |
MN35503 |
HIN207CB |
TC74HCT04A |
LC04A |
PA28F400 |
LH28F800BGE-TL12 |
UPD29F032204LGZ-B90B-MJH |
MBM29LV002T-12PTN-FK |
LE28FV8001T-H |
MBM29F002T-90PFTN-FK |
MBM29F002T-70PFTN-FK |
MBM29LV002TC-90PTN-FK |
AT27C512R-90TC |
K4E1516110-TC60 |
M5M28F101ARV-10 |
M28F220-70YN1 |
M29F200T-70XN1 |
M28F201-120N1 |
M28F201-90N1 |
M29F010B90N1 |
M29F010B90N6 |
M29F010B70N1 |
M29F010B70N6 |
M29F010B45N1 |
M28F101-120N1 |
M28F101-120N6 |
M28F101-100N1 |
M28F101-90N1 |
M28F2001-12N1 |
M28F101-200N1LV |
M28F101-70XN1 |
RU2441H04CBB |
DRS3016 |
MBM29LV160TE-70PFTN-FK |
EPM7064STC100-10 |
EPC2TC32U |
现货库存 价格优惠 欢迎来电垂询 0755-83041767 83372015 82716726 13510940754
场效应晶体管(Field Effect Transistor缩写(FET))简称场效应管。由多数载流子参与导电,也称为单极型晶体管。它属于电压控制型半导体器件。具有输入电阻高(10^8~10^9Ω)、噪声小、功耗低、动态范围大、易于集成、没有二次击穿现象、安全工作区域宽等优点,现已成为双极型晶体管和功率晶体管的强大竞争者 各类场效应管根据其沟道所采用的半导体材料,可分为N型沟道和P型沟道两种。所谓沟道,就是电流通道。 半导体的场效应,是在半导体表面的垂直方向上加一电场时,电子和空穴在表面电场作用下发生运动,半导体表面载流子的重新分布,因而半导体表面的导电能力受到电场的作用而改变,即改变为加电压的大小和方向,可以控制半导体表面层中多数载流子的浓度和类型,或控制PN结空间电荷区的宽度,这种现象称半导体的场效应。 场效应管属于电压控制元件,这一点类似于电子管的三极管,但它的构造与工作原理和电子管是截然不同的,与双极型晶体管相比,场效应晶体管具有如下特点: (1)输入阻抗高; (2)输入功耗小; (3)温度稳定性好; (4)信号放大稳定性好,信号失真小; (5)由于不存在杂乱运动的少子扩散引起的散粒噪声,所以噪声低。 根...
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