Alle ansehen

Bitte die englische Version als offizielle Version nehmenZurück

Europa
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Netherlands(Nederland) Spain(español) Turkey(Türk dili) Israel(עִבְרִית) Denmark(Dansk) Switzerland(Deutsch) United Kingdom(English)
Asien/Pazifik
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Philippines(Pilipino)
Afrika, Indien und Naher Osten
India(हिंदी)
Nordamerika
United States(English) Canada(English) Mexico(español)
ZuhauseProdukteIntegrierte schaltkreise (ICS)Linear - Verstärker - Instrumentierung, OP -Verstärker, Pufferverstärker

Linear - Verstärker - Instrumentierung, OP -Verstärker, Pufferverstärker

15,274 -Produkte gefunden

Proudktliste

1...78910111213...306
Vergleichen Bild Teil # Hersteller Beschreibung Lagerung ECAD -Modell RoHS -3db Bandbreite Paket Grundproduktnummer Spannung - Versorgungsspanne (max) Spannung - Versorgungsspanne (min) Spannung - Eingangs-Offset Strom - Eingangsruhe Verstärkungsbandbreitenprodukt Slew Rate Strom - Ausgang / Kanal Verstärkertyp Zahl der Schaltkreise Supplier Device-Gehäuse Verpackung / Gehäuse Ausgabetyp Befestigungsart Betriebstemperatur Strom - Versorgung Serie Anzahl
AD620ARZ-REEL7 AD620ARZ-REEL7 Analog Devices Inc. IC INST AMP 1 CIRCUIT 8SOIC vorrätig3573 pcs 1 MHz Tape & Reel (TR) AD620 36 V 4.6 V 30 µV 500 pA - 1.2V/µs 18 mA Instrumentation 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount -40°C ~ 85°C 900µA -
MCP652T-E/SN MCP652T-E/SN Microchip Technology IC OPAMP GP 2 CIRCUIT 8SOIC vorrätig13273 pcs - Tape & Reel (TR) MCP652 5.5 V 2.5 V 200 µV 6 pA 50 MHz 30V/µs 100 mA General Purpose 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C (TA) 6mA (x2 Channels) -
OPA2338EA/250 OPA2338EA/250 Texas Instruments IC CMOS 2 CIRCUIT SOT23-8 vorrätig27460 pcs - Tape & Reel (TR) OPA2338 5.5 V 2.7 V 500 µV 0.2 pA 12.5 MHz 4.6V/µs 9 mA CMOS 2 SOT-23-8 SOT-23-8 Rail-to-Rail Surface Mount -40°C ~ 85°C 525µA (x2 Channels) MicroAmplifier™
LT1363CS8#TR LT1363CS8#TR Analog Devices Inc. IC VOLTAGE FEEDBACK 1 CIRC 8SO vorrätig7090 pcs - Tape & Reel (TR) LT1363 36 V 5 V 500 µV 600 nA 70 MHz 1000V/µs 60 mA Voltage Feedback 1 8-SO 8-SOIC (0.154", 3.90mm Width) - Surface Mount 0°C ~ 70°C 6.3mA C-Load™
LT6600CS8-2.5#TRPBF LT6600CS8-2.5#TRPBF Analog Devices Inc. IC OPAMP DIFF 1 CIRCUIT 8SO vorrätig7345 pcs - Tape & Reel (TR) LT6600 11 V 3 V 5 mV 15 µA - - - Differential 1 8-SO 8-SOIC (0.154", 3.90mm Width) Differential Surface Mount 0°C ~ 70°C 28mA -
LMV341IDBVRG4 LMV341IDBVRG4 Texas Instruments IC OPAMP GP 1 CIRCUIT SOT23-6 vorrätig10110 pcs - Tape & Reel (TR) LMV341 5.5 V 2.5 V 250 µV 1 pA 1 MHz 1V/µs 113 mA General Purpose 1 SOT-23-6 SOT-23-6 Rail-to-Rail Surface Mount -40°C ~ 125°C 107µA -
ONET2511PARGTR ONET2511PARGTR Texas Instruments IC LIMITING 1 CIRCUIT 16VQFN vorrätig13020 pcs 45 kHz Tape & Reel (TR) ONET251 3.6 V 3 V - - - - - Limiting 1 16-VQFN (3x3) 16-VFQFN Exposed Pad Differential Surface Mount -40°C ~ 85°C 22mA -
LTC6261IDC#TRPBF LTC6261IDC#TRPBF Analog Devices Inc. IC OPAMP GP 1 CIRCUIT 6DFN vorrätig16450 pcs - Tape & Reel (TR) LTC6261 5.25 V 1.8 V 400 µV 50 nA 30 MHz 7V/µs 40 mA General Purpose 1 6-DFN (2x2) 6-WFDFN Exposed Pad Rail-to-Rail Surface Mount -40°C ~ 85°C 245µA -
TSH72CD TSH72CD STMicroelectronics IC OPAMP GP 2 CIRCUIT 8SO vorrätig6420 pcs 100 MHz Tube TSH72 12 V 3 V 1.1 mV 6 µA 65 MHz 118V/µs 55 mA General Purpose 2 8-SO 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount 0°C ~ 70°C 8.2mA -
TLC27M4AIN TLC27M4AIN Texas Instruments IC OPAMP GP 4 CIRCUIT 14DIP vorrätig45520 pcs - Tube TLC27M4 16 V 4 V 900 µV 0.7 pA 525 kHz 0.62V/µs 30 mA General Purpose 4 14-PDIP 14-DIP (0.300", 7.62mm) - Through Hole -40°C ~ 85°C 570µA (x4 Channels) LinCMOS™
TLV2771ID TLV2771ID Texas Instruments IC OPAMP GP 1 CIRCUIT 8SOIC vorrätig15658 pcs - Tube TLV2771 5.5 V 2.5 V 500 µV 2 pA 5.1 MHz 10.5V/µs 50 mA General Purpose 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 1mA -
OPA2342EA/2K5 OPA2342EA/2K5 Texas Instruments IC CMOS 2 CIRCUIT 8VSSOP vorrätig32450 pcs - Tape & Reel (TR) OPA2342 5.5 V 2.7 V 1 mV 0.2 pA 1 MHz 1V/µs 15 mA CMOS 2 8-VSSOP 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Rail-to-Rail Surface Mount -40°C ~ 85°C 150µA (x2 Channels) MicroAmplifier™
TLE2061ACDR TLE2061ACDR Texas Instruments IC OPAMP JFET 1 CIRCUIT 8SOIC vorrätig9340 pcs - Tape & Reel (TR) TLE206 36 V 7 V 500 µV 4 pA 2 MHz 3.4V/µs 80 mA J-FET 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount 0°C ~ 70°C 290µA Excalibur™
MAX494CSD+ MAX494CSD+ Analog Devices Inc./Maxim Integrated IC OPAMP GP 4 CIRCUIT 14SOIC vorrätig6493 pcs - Tube MAX494 6 V 2.7 V 200 µV 25 nA 500 kHz 0.2V/µs 30 mA General Purpose 4 14-SOIC 14-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount 0°C ~ 70°C 150µA (x4 Channels) -
OPA1662AIDGKRQ1 OPA1662AIDGKRQ1 Texas Instruments IC AUDIO 2 CIRCUIT 8VSSOP vorrätig29614 pcs - Tape & Reel (TR) OPA1662 36 V 3 V 500 µV 600 nA 22 MHz 17V/µs 50 mA Audio 2 8-VSSOP 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Rail-to-Rail Surface Mount -40°C ~ 85°C 1.5mA (x2 Channels) Automotive, AEC-Q100
OPA743NA/3K OPA743NA/3K Texas Instruments IC OPAMP GP 1 CIRCUIT SOT23-5 vorrätig26658 pcs - Tape & Reel (TR) OPA743 12 V 3.5 V 1.5 mV 1 pA 7 MHz 10V/µs 20 mA General Purpose 1 SOT-23-5 SC-74A, SOT-753 Rail-to-Rail Surface Mount -40°C ~ 85°C 1.1mA -
AD8552AR AD8552AR Analog Devices Inc. IC OPAMP ZERO-DRIFT 2 CIRC 8SOIC vorrätig5040 pcs - Tube AD8552 5 V 2.7 V 1 µV 10 pA 1.5 MHz 0.4V/µs 30 mA Zero-Drift 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 850µA (x2 Channels) -
AD8066ARZ AD8066ARZ Analog Devices Inc. IC VOLTAGE FEEDBACK 2 CIRC 8SOIC vorrätig10073 pcs 155 MHz Tube AD8066 24 V 5 V 400 µV 3 pA - 180V/µs 30 mA Voltage Feedback 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 85°C 6.6mA (x2 Channels) FastFET™
TLV2460CDBVT TLV2460CDBVT Texas Instruments IC OPAMP GP 1 CIRCUIT SOT23-6 vorrätig15890 pcs - Tape & Reel (TR) TLV2460 6 V 2.7 V 500 µV 1.3 nA 6.4 MHz 1.6V/µs 80 mA General Purpose 1 SOT-23-6 SOT-23-6 Rail-to-Rail Surface Mount 0°C ~ 70°C 550µA -
TLV2764CDR TLV2764CDR Texas Instruments IC OPAMP GP 4 CIRCUIT 14SOIC vorrätig7780 pcs - Tape & Reel (TR) TLV2764 3.6 V 1.8 V 550 µV 3 pA 500 kHz 0.23V/µs 10.2 mA General Purpose 4 14-SOIC 14-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount 0°C ~ 70°C 20µA (x4 Channels) -
AD8010AR AD8010AR Analog Devices Inc. IC OPAMP CFA 1 CIRCUIT 8SOIC vorrätig16830 pcs 230 MHz Tube AD8010 12 V 9 V 5 mV 10 µA - 800V/µs 200 mA Current Feedback 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount -40°C ~ 85°C 15.5mA -
LT6201CS8#PBF LT6201CS8#PBF Analog Devices Inc. IC BUFFER 2 CIRCUIT 8SO vorrätig6794 pcs - Tube LT6201 12.6 V 2.5 V 2.5 mV 8 µA 165 MHz 50V/µs 90 mA Buffer 2 8-SO 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount 0°C ~ 70°C 20mA (x2 Channels) LT®
TS27L4CD TS27L4CD STMicroelectronics IC CMOS 4 CIRCUIT 14SO vorrätig12100 pcs - Tube TS27L4 16 V 3 V 1.1 mV 1 pA 100 kHz 0.04V/µs 45 mA CMOS 4 14-SO 14-SOIC (0.154", 3.90mm Width) - Surface Mount 0°C ~ 70°C 10µA (x4 Channels) -
TL084IPT TL084IPT STMicroelectronics IC OPAMP JFET 4 CIRCUIT 14TSSOP vorrätig51130 pcs - Tape & Reel (TR) TL084 36 V 6 V 3 mV 20 pA 4 MHz 16V/µs 40 mA J-FET 4 14-TSSOP 14-TSSOP (0.173", 4.40mm Width) - Surface Mount -40°C ~ 105°C 1.4mA (x4 Channels) Automotive, AEC-Q100
MAX4483ASD+ MAX4483ASD+ Analog Devices Inc./Maxim Integrated IC OPAMP GP 4 CIRCUIT 14SOIC vorrätig18204 pcs - Tube MAX4483 5.5 V 2.5 V 1 mV 0.1 pA 140 kHz 0.08V/µs 17 mA General Purpose 4 14-SOIC 14-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 50µA (x4 Channels) -
ADA4001-2ARZ-RL ADA4001-2ARZ-RL Analog Devices Inc. IC OPAMP JFET 2 CIRCUIT 8SOIC vorrätig13418 pcs 10.3 MHz Tape & Reel (TR) ADA4001 36 V 10 V 500 µV 20 pA 16.7 MHz 25V/µs 50 mA J-FET 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 2mA (x2 Channels) -
TL082BCD TL082BCD Texas Instruments IC OPAMP JFET 2 CIRCUIT 8SOIC vorrätig52710 pcs - Tube TL082 30 V 10 V 2 mV 30 pA 3 MHz 13V/µs 10 mA J-FET 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount 0°C ~ 70°C 1.4mA (x2 Channels) -
TS27L4IN TS27L4IN STMicroelectronics IC CMOS 4 CIRCUIT 14DIP vorrätig11770 pcs - Tube TS27L4 16 V 3 V 1.1 mV 1 pA 100 kHz 0.04V/µs 45 mA CMOS 4 14-DIP 14-DIP (0.300", 7.62mm) - Through Hole -40°C ~ 125°C 10µA (x4 Channels) -
LTC6244HMS8#TRPBF LTC6244HMS8#TRPBF Analog Devices Inc. IC CMOS 2 CIRCUIT 8MSOP vorrätig12095 pcs - Tape & Reel (TR) LTC6244 6 V 2.8 V 100 µV 1 pA 50 MHz 35V/µs 35 mA CMOS 2 8-MSOP 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 6.25mA (x2 Channels) -
TL084IN TL084IN Texas Instruments IC OPAMP JFET 4 CIRCUIT 14DIP vorrätig149960 pcs - Tube TL084 30 V 10 V 3 mV 30 pA 4 MHz 13V/µs 40 mA J-FET 4 14-PDIP 14-DIP (0.300", 7.62mm) - Through Hole -40°C ~ 85°C 1.4mA (x4 Channels) -
LMV324AM14X LMV324AM14X onsemi IC OPAMP GP 4 CIRCUIT 14SOIC vorrätig88770 pcs - Tape & Reel (TR) LMV324 5.5 V 2.7 V 1 mV 1 nA 1.4 MHz 1.5V/µs 34 mA General Purpose 4 14-SOIC 14-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 100µA -
MCP6071T-E/OT MCP6071T-E/OT Microchip Technology IC OPAMP GP 1 CIRCUIT SOT23-5 vorrätig76560 pcs - Tape & Reel (TR) MCP6071 6 V 1.8 V 150 µV 1 pA 1.2 MHz 0.5V/µs - General Purpose 1 SOT-23-5 SC-74A, SOT-753 Rail-to-Rail Surface Mount -40°C ~ 125°C 110µA -
LM224KN LM224KN Texas Instruments IC OPAMP GP 4 CIRCUIT 14DIP vorrätig125310 pcs - Tube LM224 30 V 3 V 3 mV 20 nA 1.2 MHz 0.5V/µs 30 mA General Purpose 4 14-PDIP 14-DIP (0.300", 7.62mm) - Through Hole -25°C ~ 85°C (TA) 1.4mA (x4 Channels) -
LMX321AXK-T LMX321AXK-T Analog Devices Inc./Maxim Integrated IC OPAMP GP 1 CIRCUIT SC70-5 vorrätig9440 pcs - Tape & Reel (TR) LMX321 7 V 2.3 V 1 mV 18 nA 1.3 MHz 1V/µs 28 mA General Purpose 1 SC-70-5 5-TSSOP, SC-70-5, SOT-353 Rail-to-Rail Surface Mount -40°C ~ 125°C 120µA -
TLV6001IDCKT TLV6001IDCKT Texas Instruments IC OPAMP GP 1 CIRCUIT SC70-5 vorrätig47310 pcs - Tape & Reel (TR) TLV6001 5.5 V 1.8 V 750 µV 1 pA 1 MHz 0.5V/µs - General Purpose 1 SC-70-5 5-TSSOP, SC-70-5, SOT-353 Rail-to-Rail Surface Mount -40°C ~ 125°C 75µA -
LT1814CS#TRPBF LT1814CS#TRPBF Analog Devices Inc. IC VOLTAGE FEEDBACK 4 CIRC 14SO vorrätig12854 pcs 200 MHz Tape & Reel (TR) LT1814 12.6 V 2.5 V 500 µV 900 nA 100 MHz 750V/µs 60 mA Voltage Feedback 4 14-SO 14-SOIC (0.154", 3.90mm Width) - Surface Mount -40°C ~ 85°C 3mA (x4 Channels) LT®
MC33179P MC33179P onsemi IC OPAMP QUAD LP LO NOISE 14DIP vorrätig15210 pcs - Tube MC33179 36 V 4 V 150 µV 100 nA 5 MHz 2V/µs 100 mA General Purpose 4 14-PDIP 14-DIP (0.300", 7.62mm) - Through Hole -40°C ~ 85°C (TA) 1.7mA (x4 Channels) -
MCP6002-I/SN MCP6002-I/SN Microchip Technology IC OPAMP GP 2 CIRCUIT 8SOIC vorrätig129230 pcs - Tube MCP6002 6 V 1.8 V 4.5 mV 1 pA 1 MHz 0.6V/µs 23 mA General Purpose 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) Rail-to-Rail Surface Mount -40°C ~ 85°C (TA) 100µA (x2 Channels) -
TSV630ICT TSV630ICT STMicroelectronics IC OPAMP GP 1 CIRCUIT SC70-6 vorrätig79780 pcs - Tape & Reel (TR) TSV630 5.5 V 1.5 V 3 mV 1 pA 880 kHz 0.34V/µs 74 mA General Purpose 1 SC-70-6 6-TSSOP, SC-88, SOT-363 Rail-to-Rail Surface Mount -40°C ~ 125°C 60µA -
LMV116MFX/NOPB LMV116MFX/NOPB Texas Instruments IC OPAMP VFB 1 CIRCUIT SOT23-5 vorrätig52850 pcs 45 MHz Tape & Reel (TR) LMV116 12 V 2.5 V 1 mV 400 nA - 35V/µs 20 mA Voltage Feedback 1 SOT-23-5 SC-74A, SOT-753 Push-Pull, Rail-to-Rail Surface Mount -40°C ~ 85°C 600µA -
INA4180A1IPWR INA4180A1IPWR Texas Instruments IC CURR SENSE 4 CIRCUIT 14TSSOP vorrätig68020 pcs 350 kHz Tape & Reel (TR) INA4180 5.5 V 2.7 V 100 µV 80 µA 350 kHz 2V/µs 8 mA Current Sense 4 14-TSSOP 14-TSSOP (0.173", 4.40mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C (TA) 690µA -
AD8539ARMZ-REEL AD8539ARMZ-REEL Analog Devices Inc. IC OPAMP ZERO-DRIFT 2 CIRC 8MSOP vorrätig16909 pcs - Tape & Reel (TR) AD8539 5.5 V 2.7 V 5 µV 15 pA 430 kHz 0.4V/µs 25 mA Zero-Drift 2 8-MSOP 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) - Surface Mount -40°C ~ 125°C 170µA (x2 Channels) -
NCS2002SN1T1G NCS2002SN1T1G onsemi IC OPAMP GP 1 CIRCUIT 6TSOP vorrätig84620 pcs - Tape & Reel (TR) NCS2002 7 V 0.9 V 500 µV 10 pA 900 kHz 1.3V/µs 128 mA General Purpose 1 6-TSOP SOT-23-6 Thin, TSOT-23-6 Rail-to-Rail Surface Mount -40°C ~ 105°C 820µA -
OPA129UB/2K5 OPA129UB/2K5 Texas Instruments IC OPAMP GP 1 CIRCUIT 8SOIC vorrätig5600 pcs - Tape & Reel (TR) OPA129 36 V 10 V 500 µV 0.03 pA 1 MHz 2.5V/µs 10 mA General Purpose 1 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount -40°C ~ 85°C 1.2mA Difet®
TLE2022AMDR TLE2022AMDR Texas Instruments IC OPAMP GP 2 CIRCUIT 8SOIC vorrätig17394 pcs - Tape & Reel (TR) TLE2022 40 V 4 V 120 µV 33 nA 1.7 MHz 0.65V/µs 30 mA General Purpose 2 8-SOIC 8-SOIC (0.154", 3.90mm Width) - Surface Mount -55°C ~ 125°C 550µA (x2 Channels) Excalibur™
MAX4128EUA+ MAX4128EUA+ Analog Devices Inc./Maxim Integrated IC OPAMP GP 2 CIRCUIT 8UMAX vorrätig10156 pcs - Tube MAX4128 6.5 V 2.7 V 400 µV 50 nA 25 MHz 10V/µs 50 mA General Purpose 2 8-uMAX/uSOP 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Rail-to-Rail Surface Mount -40°C ~ 85°C 725µA (x2 Channels) -
AD8646ARMZ-REEL AD8646ARMZ-REEL Analog Devices Inc. IC OPAMP GP 2 CIRCUIT 8MSOP vorrätig28930 pcs - Tape & Reel (TR) AD8646 5.5 V 2.7 V 600 µV 0.3 pA 24 MHz 11V/µs 120 mA General Purpose 2 8-MSOP 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Rail-to-Rail Surface Mount -40°C ~ 125°C 1.5mA (x2 Channels) -
LPV321IDBVRG4 LPV321IDBVRG4 Texas Instruments IC OPAMP GP 1 CIRCUIT SOT23-5 vorrätig13830 pcs - Tape & Reel (TR) LPV321 5 V 2.7 V 1.5 mV 2 nA 237 kHz 0.1V/µs - General Purpose 1 SOT-23-5 SC-74A, SOT-753 Rail-to-Rail Surface Mount -40°C ~ 125°C 9µA -
OPA637SM OPA637SM Texas Instruments IC OPAMP GP 1 CIRCUIT TO99-8 vorrätig467 pcs - Tube OPA637 36 V 9 V 40 µV 1 pA 80 MHz 135V/µs 45 mA General Purpose 1 TO-99-8 TO-99-8 Metal Can - Through Hole -55°C ~ 125°C 7mA Difet®
OPA657N/250G4 OPA657N/250G4 Texas Instruments IC OPAMP VFB 1 CIRCUIT SOT23-5 vorrätig9990 pcs 350 MHz Tape & Reel (TR) OPA657 12 V 8 V 250 µV 2 pA 1.6 GHz 700V/µs 70 mA Voltage Feedback 1 SOT-23-5 SC-74A, SOT-753 - Surface Mount -40°C ~ 85°C 14mA -
1...78910111213...306
0 RFQ
Einkaufswagen (0 Items)
Es ist leer.
Vergleichen Sie die Liste (0 Items)
Es ist leer.
Rückmeldung

Ihr Feedback ist wichtig!Bei Allelco schätzen wir die Benutzererfahrung und bemühen uns, sie ständig zu verbessern.
Bitte teilen Sie Ihre Kommentare über unser Feedback -Formular mit und wir werden umgehend antworten.
Vielen Dank für die Wahl von Allelco.

Thema
Email
Bemerkung/Erläuterung
Verifizierungscode
Ziehen oder klicken, um die Datei hochzuladen
Datei hochladen
Typen: .xls, .xlsx, .doc, .docx, .jpg, .png und .pdf.
MAX -Dateigröße: 10 MB