型号列表

型号 厂牌 日期 最新供货
RQ1A060ZPTR ROHM Semiconductor 2025/08/11 ROHM Semiconductor RQ1A060ZPTR 最新供货售价信息
SMBJ58A Brightking 2025/08/11 Brightking SMBJ58A 最新供货售价信息
WR04X4530FTL Walsin Technology 2025/08/11 Walsin Technology WR04X4530FTL 最新供货售价信息
LRB550V-30T1G LRC 2025/08/11 LRC LRB550V-30T1G 最新供货售价信息
CDZVT2R24B ROHM Semiconductor 2025/08/11 ROHM Semiconductor CDZVT2R24B 最新供货售价信息
TCC0805X5R225K250FT CCTC 2025/08/11 CCTC TCC0805X5R225K250FT 最新供货售价信息
BU4920F-TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor BU4920F-TR 最新供货售价信息
BZT52H-B36,115 Nexperia 2025/08/11 Nexperia BZT52H-B36,115 最新供货售价信息
VC121060J121RP AVX 2025/08/11 AVX VC121060J121RP 最新供货售价信息
WR04X4422FTL Walsin Technology 2025/08/11 Walsin Technology WR04X4422FTL 最新供货售价信息
LM3Z3V3T1G LRC 2025/08/11 LRC LM3Z3V3T1G 最新供货售价信息
CL03B471KO3NNNC Samsung Electro-Mechanics 2025/08/11 Samsung Electro-Mechanics CL03B471KO3NNNC 最新供货售价信息
L1SS400T1G LRC 2025/08/11 LRC L1SS400T1G 最新供货售价信息
PBHV8115T,215 Nexperia 2025/08/11 Nexperia PBHV8115T,215 最新供货售价信息
WR08X1502FTL Walsin Technology 2025/08/11 Walsin Technology WR08X1502FTL 最新供货售价信息
SMAJ60A Bourns 2025/08/11 Bourns SMAJ60A 最新供货售价信息
R46KI347045P1M KEMET 2025/08/11 KEMET R46KI347045P1M 最新供货售价信息
1812N121G102CT Walsin Technology 2025/08/11 Walsin Technology 1812N121G102CT 最新供货售价信息
RT014DCG Amphenol 2025/08/11 Amphenol RT014DCG 最新供货售价信息
WR02X472JAL Walsin Technology 2025/08/11 Walsin Technology WR02X472JAL 最新供货售价信息
R6507KNXC7G ROHM Semiconductor 2025/08/11 ROHM Semiconductor R6507KNXC7G 最新供货售价信息
RRE02VSM6STR ROHM Semiconductor 2025/08/11 ROHM Semiconductor RRE02VSM6STR 最新供货售价信息
CDZVT2R20B ROHM Semiconductor 2025/08/11 ROHM Semiconductor CDZVT2R20B 最新供货售价信息
1981584-1 TE Connectivity 2025/08/11 TE Connectivity 1981584-1 最新供货售价信息
0603X475K100CT Walsin Technology 2025/08/11 Walsin Technology 0603X475K100CT 最新供货售价信息
SSHB10H-17023 KEMET 2025/08/11 KEMET SSHB10H-17023 最新供货售价信息
PJA3457_R1_00001 Panjit 2025/08/11 Panjit PJA3457_R1_00001 最新供货售价信息
CL03C270JA3NNNC Samsung Electro-Mechanics 2025/08/11 Samsung Electro-Mechanics CL03C270JA3NNNC 最新供货售价信息
EDZVT2R3.3B ROHM Semiconductor 2025/08/11 ROHM Semiconductor EDZVT2R3.3B 最新供货售价信息
BD48K27G-TL ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD48K27G-TL 最新供货售价信息
ERJ3EKF1601V Panasonic 2025/08/11 Panasonic ERJ3EKF1601V 最新供货售价信息
TCC0402X7R681K500AT CCTC 2025/08/11 CCTC TCC0402X7R681K500AT 最新供货售价信息
TCC0805X5R475K250FT CCTC 2025/08/11 CCTC TCC0805X5R475K250FT 最新供货售价信息
74AHCT86D,118 Nexperia 2025/08/11 Nexperia 74AHCT86D,118 最新供货售价信息
AW3S Amphenol 2025/08/11 Amphenol AW3S 最新供货售价信息
BD62321HFP-TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD62321HFP-TR 最新供货售价信息
B82462G4682M TDK-EPCOS 2025/08/11 TDK-EPCOS B82462G4682M 最新供货售价信息
PESD5V0R1BDSFYL Nexperia 2025/08/11 Nexperia PESD5V0R1BDSFYL 最新供货售价信息
BD2225G-TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD2225G-TR 最新供货售价信息
PMEG6010ETR,115 Nexperia 2025/08/11 Nexperia PMEG6010ETR,115 最新供货售价信息
BU1CTD3WG-TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor BU1CTD3WG-TR 最新供货售价信息
C0603C222K5RACAUTO KEMET 2025/08/11 KEMET C0603C222K5RACAUTO 最新供货售价信息
BU4318G-TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor BU4318G-TR 最新供货售价信息
ERJ3EKF5601V Panasonic 2025/08/11 Panasonic ERJ3EKF5601V 最新供货售价信息
SMBJ75A-AT Brightking 2025/08/11 Brightking SMBJ75A-AT 最新供货售价信息
0402N120J500CT Walsin Technology 2025/08/11 Walsin Technology 0402N120J500CT 最新供货售价信息
1206B472K631CT Walsin Technology 2025/08/11 Walsin Technology 1206B472K631CT 最新供货售价信息
EL827S1(TA)-V Everlight 2025/08/11 Everlight EL827S1(TA)-V 最新供货售价信息
WR08W1R00FTL Walsin Technology 2025/08/11 Walsin Technology WR08W1R00FTL 最新供货售价信息
LBC856BLT1G LRC 2025/08/11 LRC LBC856BLT1G 最新供货售价信息
SH21B104K101CT Walsin Technology 2025/08/11 Walsin Technology SH21B104K101CT 最新供货售价信息
RUL035N02TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor RUL035N02TR 最新供货售价信息
MMA02040C1005FB300 Vishay 2025/08/11 Vishay MMA02040C1005FB300 最新供货售价信息
TAJD337K010RNJ AVX 2025/08/11 AVX TAJD337K010RNJ 最新供货售价信息
AXK5F40537YG Panasonic 2025/08/11 Panasonic AXK5F40537YG 最新供货售价信息
LBAS21HT1G LRC 2025/08/11 LRC LBAS21HT1G 最新供货售价信息
D15SB80 LRC 2025/08/11 LRC D15SB80 最新供货售价信息
B72205S 301K101 TDK-EPCOS 2025/08/11 TDK-EPCOS B72205S 301K101 最新供货售价信息
WR08X1203FTL Walsin Technology 2025/08/11 Walsin Technology WR08X1203FTL 最新供货售价信息
WR04X4421FTL Walsin Technology 2025/08/11 Walsin Technology WR04X4421FTL 最新供货售价信息
SDR0604-221KL Bourns 2025/08/11 Bourns SDR0604-221KL 最新供货售价信息
CL21B104KACNNNC Samsung Electro-Mechanics 2025/08/11 Samsung Electro-Mechanics CL21B104KACNNNC 最新供货售价信息
WR08W4R70FTL Walsin Technology 2025/08/11 Walsin Technology WR08W4R70FTL 最新供货售价信息
1N4747A,133 Nexperia 2025/08/11 Nexperia 1N4747A,133 最新供货售价信息
D43Q1472K40C450 Faratronic 2025/08/11 Faratronic D43Q1472K40C450 最新供货售价信息
C1206C475K3RACAUTO KEMET 2025/08/11 KEMET C1206C475K3RACAUTO 最新供货售价信息
WR04X4752FTL Walsin Technology 2025/08/11 Walsin Technology WR04X4752FTL 最新供货售价信息
R745I1820JH0EJ KEMET 2025/08/11 KEMET R745I1820JH0EJ 最新供货售价信息
C0402C101J1GACAUTO KEMET 2025/08/11 KEMET C0402C101J1GACAUTO 最新供货售价信息
1206B473K500CT Walsin Technology 2025/08/11 Walsin Technology 1206B473K500CT 最新供货售价信息
UMZ5.1NT106 ROHM Semiconductor 2025/08/11 ROHM Semiconductor UMZ5.1NT106 最新供货售价信息
B32672P4684K TDK-EPCOS 2025/08/11 TDK-EPCOS B32672P4684K 最新供货售价信息
NCR420ZX Nexperia 2025/08/11 Nexperia NCR420ZX 最新供货售价信息
DTA014EEBTL ROHM Semiconductor 2025/08/11 ROHM Semiconductor DTA014EEBTL 最新供货售价信息
PUMD10,125 Nexperia 2025/08/11 Nexperia PUMD10,125 最新供货售价信息
471KD20J-P10 Brightking 2025/08/11 Brightking 471KD20J-P10 最新供货售价信息
BD63242FV-E2 ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD63242FV-E2 最新供货售价信息
R6009KNX ROHM Semiconductor 2025/08/11 ROHM Semiconductor R6009KNX 最新供货售价信息
GRM21BR61C106KE15L Murata 2025/08/11 Murata GRM21BR61C106KE15L 最新供货售价信息
C0603C105M8RACAUTO KEMET 2025/08/11 KEMET C0603C105M8RACAUTO 最新供货售价信息
CL10A476MQ8QRNC Samsung Electro-Mechanics 2025/08/11 Samsung Electro-Mechanics CL10A476MQ8QRNC 最新供货售价信息
PJSD24CW-AU_R1_000A1 Panjit 2025/08/11 Panjit PJSD24CW-AU_R1_000A1 最新供货售价信息
CL10C330JB81PNC Samsung Electro-Mechanics 2025/08/11 Samsung Electro-Mechanics CL10C330JB81PNC 最新供货售价信息
WR08X2002FTL Walsin Technology 2025/08/11 Walsin Technology WR08X2002FTL 最新供货售价信息
SMAJ58CA Brightking 2025/08/11 Brightking SMAJ58CA 最新供货售价信息
ATHP062S25EL-S2 Amphenol 2025/08/11 Amphenol ATHP062S25EL-S2 最新供货售价信息
ERJ3EKF6201V Panasonic 2025/08/11 Panasonic ERJ3EKF6201V 最新供货售价信息
WR04X1004FTL Walsin Technology 2025/08/11 Walsin Technology WR04X1004FTL 最新供货售价信息
19-237/R6GHY5C-A01/2T Everlight 2025/08/11 Everlight 19-237/R6GHY5C-A01/2T 最新供货售价信息
SQJQ466E-T1_GE3 Vishay 2025/08/11 Vishay SQJQ466E-T1_GE3 最新供货售价信息
74AVC8T245BQ,118 Nexperia 2025/08/11 Nexperia 74AVC8T245BQ,118 最新供货售价信息
WR04X22R1FTL Walsin Technology 2025/08/11 Walsin Technology WR04X22R1FTL 最新供货售价信息
2SAR554P5T100 ROHM Semiconductor 2025/08/11 ROHM Semiconductor 2SAR554P5T100 最新供货售价信息
SDD32C24L01 Brightking 2025/08/11 Brightking SDD32C24L01 最新供货售价信息
ERJ3EKF1783V Panasonic 2025/08/11 Panasonic ERJ3EKF1783V 最新供货售价信息
B57237S 709M TDK-EPCOS 2025/08/11 TDK-EPCOS B57237S 709M 最新供货售价信息
LSI1013XT1G LRC 2025/08/11 LRC LSI1013XT1G 最新供货售价信息
LM3Z3V0T1G LRC 2025/08/11 LRC LM3Z3V0T1G 最新供货售价信息
63667-1 TE Connectivity 2025/08/11 TE Connectivity 63667-1 最新供货售价信息
HFM108 LRC 2025/08/11 LRC HFM108 最新供货售价信息
RT00128PN03 Amphenol 2025/08/11 Amphenol RT00128PN03 最新供货售价信息
PESD2USB5UX-TR Nexperia 2025/08/11 Nexperia PESD2USB5UX-TR 最新供货售价信息
RB081LAM-20TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor RB081LAM-20TR 最新供货售价信息
TPSE227K010R0100 AVX 2025/08/11 AVX TPSE227K010R0100 最新供货售价信息
C0603C150J5GACAUTO KEMET 2025/08/11 KEMET C0603C150J5GACAUTO 最新供货售价信息
WR02X6802FAL Walsin Technology 2025/08/11 Walsin Technology WR02X6802FAL 最新供货售价信息
TCC1206COG101J500DT CCTC 2025/08/11 CCTC TCC1206COG101J500DT 最新供货售价信息
ECQUAAF474M Panasonic 2025/08/11 Panasonic ECQUAAF474M 最新供货售价信息
BD11600NUX-E2 ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD11600NUX-E2 最新供货售价信息
DTA115TMT2L ROHM Semiconductor 2025/08/11 ROHM Semiconductor DTA115TMT2L 最新供货售价信息
12-21C/G6C-AN1P2/2C Everlight 2025/08/11 Everlight 12-21C/G6C-AN1P2/2C 最新供货售价信息
19-237/R6GHBHC-A01/2T Everlight 2025/08/11 Everlight 19-237/R6GHBHC-A01/2T 最新供货售价信息
BD45301G-TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD45301G-TR 最新供货售价信息
BD63730EFV-E2 ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD63730EFV-E2 最新供货售价信息
74AHCT08PW-Q100J Nexperia 2025/08/11 Nexperia 74AHCT08PW-Q100J 最新供货售价信息
WR12X914JTL Walsin Technology 2025/08/11 Walsin Technology WR12X914JTL 最新供货售价信息
WR06X8203FTL Walsin Technology 2025/08/11 Walsin Technology WR06X8203FTL 最新供货售价信息
C0805C104K1RECAUTO KEMET 2025/08/11 KEMET C0805C104K1RECAUTO 最新供货售价信息
EMB61T2R ROHM Semiconductor 2025/08/11 ROHM Semiconductor EMB61T2R 最新供货售价信息
WR06X150JTL Walsin Technology 2025/08/11 Walsin Technology WR06X150JTL 最新供货售价信息
0201N330J500CT Walsin Technology 2025/08/11 Walsin Technology 0201N330J500CT 最新供货售价信息
WR08X1202FTL Walsin Technology 2025/08/11 Walsin Technology WR08X1202FTL 最新供货售价信息
WR06X2803FTL Walsin Technology 2025/08/11 Walsin Technology WR06X2803FTL 最新供货售价信息
BU2152FS-E2 ROHM Semiconductor 2025/08/11 ROHM Semiconductor BU2152FS-E2 最新供货售价信息
0603B272K500CT Walsin Technology 2025/08/11 Walsin Technology 0603B272K500CT 最新供货售价信息
SMAJ350CA Brightking 2025/08/11 Brightking SMAJ350CA 最新供货售价信息
SM24CANA-02HTG Littelfuse 2025/08/11 Littelfuse SM24CANA-02HTG 最新供货售价信息
C1812C104KBRACAUTO KEMET 2025/08/11 KEMET C1812C104KBRACAUTO 最新供货售价信息
BD77501G-TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD77501G-TR 最新供货售价信息
AO4411 AOS 2025/08/11 AOS AO4411 最新供货售价信息
CL31B225KBHNNNE Samsung Electro-Mechanics 2025/08/11 Samsung Electro-Mechanics CL31B225KBHNNNE 最新供货售价信息
RYM002N05T2CL ROHM Semiconductor 2025/08/11 ROHM Semiconductor RYM002N05T2CL 最新供货售价信息
R46KI2330JP01M KEMET 2025/08/11 KEMET R46KI2330JP01M 最新供货售价信息
SH21B472K201CT Walsin Technology 2025/08/11 Walsin Technology SH21B472K201CT 最新供货售价信息
PSMN1R6-30MLHX Nexperia 2025/08/11 Nexperia PSMN1R6-30MLHX 最新供货售价信息
BCP55,115 Nexperia 2025/08/11 Nexperia BCP55,115 最新供货售价信息
MPXV1D0520L100 KEMET 2025/08/11 KEMET MPXV1D0520L100 最新供货售价信息
BLM21AG102SN1D Murata 2025/08/11 Murata BLM21AG102SN1D 最新供货售价信息
DTC124XU3HZGT106 ROHM Semiconductor 2025/08/11 ROHM Semiconductor DTC124XU3HZGT106 最新供货售价信息
0201B821K500CT Walsin Technology 2025/08/11 Walsin Technology 0201B821K500CT 最新供货售价信息
19-21SYGC/S530-E2/TR8 Everlight 2025/08/11 Everlight 19-21SYGC/S530-E2/TR8 最新供货售价信息
B88069X2930C102 TDK-EPCOS 2025/08/11 TDK-EPCOS B88069X2930C102 最新供货售价信息
US6K2TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor US6K2TR 最新供货售价信息
RBR2MM40CTR ROHM Semiconductor 2025/08/11 ROHM Semiconductor RBR2MM40CTR 最新供货售价信息
AT62-20-0122 Amphenol 2025/08/11 Amphenol AT62-20-0122 最新供货售价信息
VS-10MQ100NTRPBF Vishay 2025/08/11 Vishay VS-10MQ100NTRPBF 最新供货售价信息
PSMN2R8-40YSDX Nexperia 2025/08/11 Nexperia PSMN2R8-40YSDX 最新供货售价信息
CL05C270JB5NNNC Samsung Electro-Mechanics 2025/08/11 Samsung Electro-Mechanics CL05C270JB5NNNC 最新供货售价信息
CL05Y224KP5VPNC Samsung Electro-Mechanics 2025/08/11 Samsung Electro-Mechanics CL05Y224KP5VPNC 最新供货售价信息
LMBZ5246BLT1G LRC 2025/08/11 LRC LMBZ5246BLT1G 最新供货售价信息
WR04X102JTL Walsin Technology 2025/08/11 Walsin Technology WR04X102JTL 最新供货售价信息
ERJ3EKF2000V Panasonic 2025/08/11 Panasonic ERJ3EKF2000V 最新供货售价信息
PESD2IVN24T-QR Nexperia 2025/08/11 Nexperia PESD2IVN24T-QR 最新供货售价信息
SMAJ26CA Brightking 2025/08/11 Brightking SMAJ26CA 最新供货售价信息
WF06R1002BTL Walsin Technology 2025/08/11 Walsin Technology WF06R1002BTL 最新供货售价信息
65-21/G6C-AN2Q1/3T Everlight 2025/08/11 Everlight 65-21/G6C-AN2Q1/3T 最新供货售价信息
TCC0603X7R105K160CT CCTC 2025/08/11 CCTC TCC0603X7R105K160CT 最新供货售价信息
B57230V2103F260 TDK-EPCOS 2025/08/11 TDK-EPCOS B57230V2103F260 最新供货售价信息
LBAS70-04LT1G LRC 2025/08/11 LRC LBAS70-04LT1G 最新供货售价信息
74AUP1G02GW,125 Nexperia 2025/08/11 Nexperia 74AUP1G02GW,125 最新供货售价信息
0402B822K160CT Walsin Technology 2025/08/11 Walsin Technology 0402B822K160CT 最新供货售价信息
BA17809CP-E2 ROHM Semiconductor 2025/08/11 ROHM Semiconductor BA17809CP-E2 最新供货售价信息
561KD20-P10 Brightking 2025/08/11 Brightking 561KD20-P10 最新供货售价信息
MHCI05030-4R7M-R8 CHILISIN 2025/08/11 CHILISIN MHCI05030-4R7M-R8 最新供货售价信息
ERJ3EKF1692V Panasonic 2025/08/11 Panasonic ERJ3EKF1692V 最新供货售价信息
WR06W4R70FTL Walsin Technology 2025/08/11 Walsin Technology WR06W4R70FTL 最新供货售价信息
F930J476MAA AVX 2025/08/11 AVX F930J476MAA 最新供货售价信息
16SVPC270M Panasonic 2025/08/11 Panasonic 16SVPC270M 最新供货售价信息
0805B103J500CT Walsin Technology 2025/08/11 Walsin Technology 0805B103J500CT 最新供货售价信息
FM0H224ZFTP18 KEMET 2025/08/11 KEMET FM0H224ZFTP18 最新供货售价信息
12-21SURC/S530-A3/TR8 Everlight 2025/08/11 Everlight 12-21SURC/S530-A3/TR8 最新供货售价信息
RTT021020FTH RALEC 2025/08/11 RALEC RTT021020FTH 最新供货售价信息
WR06X823JTL Walsin Technology 2025/08/11 Walsin Technology WR06X823JTL 最新供货售价信息
C0603C222J5GAC7867 KEMET 2025/08/11 KEMET C0603C222J5GAC7867 最新供货售价信息
BA4580RFVT-E2 ROHM Semiconductor 2025/08/11 ROHM Semiconductor BA4580RFVT-E2 最新供货售价信息
TCC0402COG180J500AT CCTC 2025/08/11 CCTC TCC0402COG180J500AT 最新供货售价信息
C0603C105K4RACAUTO KEMET 2025/08/11 KEMET C0603C105K4RACAUTO 最新供货售价信息
1210B103K501CT Walsin Technology 2025/08/11 Walsin Technology 1210B103K501CT 最新供货售价信息
B32529D5335K TDK-EPCOS 2025/08/11 TDK-EPCOS B32529D5335K 最新供货售价信息
PMV30ENEAR Nexperia 2025/08/11 Nexperia PMV30ENEAR 最新供货售价信息
C1206C102J1GAC7800 KEMET 2025/08/11 KEMET C1206C102J1GAC7800 最新供货售价信息
19-223/R6G6C-A01/2T Everlight 2025/08/11 Everlight 19-223/R6G6C-A01/2T 最新供货售价信息
DTA123JMT2L ROHM Semiconductor 2025/08/11 ROHM Semiconductor DTA123JMT2L 最新供货售价信息
RB168VAM100TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor RB168VAM100TR 最新供货售价信息
DTC114TETL ROHM Semiconductor 2025/08/11 ROHM Semiconductor DTC114TETL 最新供货售价信息
WR04X6200FTL Walsin Technology 2025/08/11 Walsin Technology WR04X6200FTL 最新供货售价信息
CL31B104KCFNNNE Samsung Electro-Mechanics 2025/08/11 Samsung Electro-Mechanics CL31B104KCFNNNE 最新供货售价信息
74HCT541D,653 Nexperia 2025/08/11 Nexperia 74HCT541D,653 最新供货售价信息
PMZ290UNE2YL Nexperia 2025/08/11 Nexperia PMZ290UNE2YL 最新供货售价信息
BD70GA3WEFJ-E2 ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD70GA3WEFJ-E2 最新供货售价信息
BD5231NVX-2CTL ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD5231NVX-2CTL 最新供货售价信息
BD4825FVE-TR ROHM Semiconductor 2025/08/11 ROHM Semiconductor BD4825FVE-TR 最新供货售价信息
0603B221K500CT Walsin Technology 2025/08/11 Walsin Technology 0603B221K500CT 最新供货售价信息
AOD2922 AOS 2025/08/11 AOS AOD2922 最新供货售价信息
B72530E 300K 62 TDK-EPCOS 2025/08/11 TDK-EPCOS B72530E 300K 62 最新供货售价信息
WR12X1742FTL Walsin Technology 2025/08/11 Walsin Technology WR12X1742FTL 最新供货售价信息
AC0805FR-0759KL Yageo 2025/08/11 Yageo AC0805FR-0759KL 最新供货售价信息
PNE200100EPE-QZ Nexperia 2025/08/11 Nexperia PNE200100EPE-QZ 最新供货售价信息
SMAJ22CA Brightking 2025/08/11 Brightking SMAJ22CA 最新供货售价信息
BR24L32FV-WE2 ROHM Semiconductor 2025/08/11 ROHM Semiconductor BR24L32FV-WE2 最新供货售价信息