O nas Skontaktuj się z nami Prześlij bom
RFQs(0)
polski
Zamknij menu
Pokaż wszystkie

Proszę zapoznać się z wersją angielską jako naszą oficjalną wersją.Powrót

Europa
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Azja/Pacyfik
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Afryka, Indie i Bliski Wschód
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
Ameryka Południowa / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
Ameryka północna
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
DomProduktyPotencjometry, rezystory zmiennePotencjometry Trimmerów

Potencjometry Trimmerów

Znaleziono produkty 686

Lista produktów

14567891014
Porównać Obraz Część # Producent Opis Inwentarz Model ECAD RoHS Moc (W) Pakiet Podstawowy numer produktu Tryb panel Liczba zwojów Materiał rezystancyjne Typ regulacji Współczynnik temperaturowy Tolerancja Termination Style Rozmiar / Wymiar Rodzaj mocowania Seria Ilość
3329S-1-104LF 3329S-1-104LF Bourns Inc. TRIMMER 100KOHM 0.5W PC PIN SIDE Na stanie14958 pcs 0.5W, 1/2W Tube 3329S 100 kOhms 1 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.260" x 0.330" Face (6.60mm x 8.38mm) Through Hole Trimpot® 3329 - Sealed
3362P-1-100LF 3362P-1-100LF Bourns Inc. TRIMMER 10 OHM 0.5W PC PIN TOP Na stanie74050 pcs 0.5W, 1/2W Tube 3362P 10 Ohms 1 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.275' x 0.260' Face (6.99mm x 6.60mm) Through Hole Trimpot® 3362 - Sealed
3296W-1-503LF 3296W-1-503LF Bourns Inc. TRIMMER 50K OHM 0.5W PC PIN TOP Na stanie30009 pcs 0.5W, 1/2W Tube 3296W 50 kOhms 25 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.375' x 0.190' Face (9.53mm x 4.83mm) Through Hole Trimpot® 3296 - Sealed
3386P-1-100LF 3386P-1-100LF Bourns Inc. TRIMMER 10 OHM 0.5W PC PIN TOP Na stanie54060 pcs 0.5W, 1/2W Tube 3386P 10 Ohms 1 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Square - 0.375' x 0.375' Face (9.53mm x 9.53mm) Through Hole Trimpot® 3386 - Sealed
TSM4YL103KR05 TSM4YL103KR05 Vishay Sfernice SFERNICE POTENTIOMETERS & TRIMME Na stanie6709 pcs 0.25W, 1/4W Tape & Reel (TR) - 10 kOhms 11 Cermet Top Adjustment ±100ppm/°C ±10% J Lead Rectangular - 0.189" x 0.138" Face (4.80mm x 3.50mm) Surface Mount TSM4
PV37X503C01B00 PV37X503C01B00 Bourns Inc. TRIMMER 50KOHM 0.25W PC PIN SIDE Na stanie29794 pcs 0.25W, 1/4W Bulk PV37X 50 kOhms 12 Cermet Side Adjustment ±150ppm/°C ±10% PC Pins Rectangular - 0.264" x 0.157" Face (6.70mm x 4.00mm) Through Hole PV37
3224G-1-203E 3224G-1-203E Bourns Inc. TRIMMER 20K OHM 0.25W GW SIDE Na stanie12322 pcs 0.25W, 1/4W Tape & Reel (TR) 3224G 20 kOhms 12 Cermet Side Adjustment ±100ppm/°C ±10% Gull Wing Rectangular - 0.181" x 0.138" Face (4.60mm x 3.50mm) Surface Mount Trimpot® 3224 - Sealed
PVZ3A103C01R00 PVZ3A103C01R00 Bourns Inc. TRIMMER 10K OHM 0.1W J LEAD TOP Na stanie4880 pcs 0.1W, 1/10W Tape & Reel (TR) PVZ3A 10 kOhms 1 Carbon Top Adjustment ±500ppm/°C ±30% J Lead Rectangular - 0.126' x 0.122' Face (3.20mm x 3.10mm) Surface Mount PVZ3
3223W-1-205E 3223W-1-205E Bourns Inc. TRIMMER 2M OHM 0.125W J LEAD TOP Na stanie13238 pcs 0.125W, 1/8W Tape & Reel (TR) 3223W 2 MOhms 11 Cermet Top Adjustment ±100ppm/°C ±20% J Lead Rectangular - 0.154' x 0.125' Face (3.90mm x 3.18mm) Surface Mount Trimpot® 3223 - Sealed
3313J-1-200E 3313J-1-200E Bourns Inc. TRIMMER 20 OHM 0.125W J LEAD TOP Na stanie34334 pcs 0.125W, 1/8W Tape & Reel (TR) 3313J 20 Ohms 1 Cermet Top Adjustment ±150ppm/°C ±20% J Lead Rectangular - 0.138" x 0.126" Face (3.50mm x 3.20mm) Surface Mount Trimpot® 3313 - Sealed
3362P-1-502LF 3362P-1-502LF Bourns Inc. TRIMMER 5K OHM 0.5W PC PIN TOP Na stanie79440 pcs 0.5W, 1/2W Tube 3362P 5 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.275" x 0.260" Face (6.99mm x 6.60mm) Through Hole Trimpot® 3362 - Sealed
44WR20KLFT7 44WR20KLFT7 TT Electronics/BI TRIMMER 20K OHM 0.25W J LEAD TOP Na stanie7943 pcs 0.25W, 1/4W Tape & Reel (TR) 44WR 20 kOhms 9 Cermet Top Adjustment ±100ppm/°C ±10% J Lead Rectangular - 0.190' x 0.138' Face (4.83mm x 3.51mm) Surface Mount 44
3362R-1-203LF 3362R-1-203LF Bourns Inc. TRIMMER 20K OHM 0.5W PC PIN TOP Na stanie57580 pcs 0.5W, 1/2W Tube 3362R 20 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.275' x 0.260' Face (6.99mm x 6.60mm) Through Hole Trimpot® 3362 - Sealed
TS53YL202MR10 TS53YL202MR10 Vishay Sfernice TRIMMER 2K OHM 0.25W GW TOP ADJ Na stanie22399 pcs 0.25W, 1/4W Tape & Reel (TR) - 2 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±20% Gull Wing Square - 0.197" x 0.197" Face (5.00mm x 5.00mm) Surface Mount TS53
3006P-1-103LF 3006P-1-103LF Bourns Inc. TRIMMER 10KOHM 0.75W PC PIN SIDE Na stanie35470 pcs 0.75W, 3/4W Tube 3006P 10 kOhms 15 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.250" x 0.190" Face (6.35mm x 4.83mm) Through Hole Trimpot® 3006 - Sealed
3266X-1-501LF 3266X-1-501LF Bourns Inc. TRIMMER 500OHM 0.25W PC PIN SIDE Na stanie22684 pcs 0.25W, 1/4W Tube 3266X 500 Ohms 12 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.250" x 0.170" Face (6.35mm x 4.32mm) Through Hole Trimpot® 3266 - Sealed
3266P-1-202LF 3266P-1-202LF Bourns Inc. TRIMMER 2K OHM 0.25W PC PIN SIDE Na stanie18838 pcs 0.25W, 1/4W Tube 3266P 2 kOhms 12 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.250" x 0.174" Face (6.35mm x 4.42mm) Through Hole Trimpot® 3266 - Sealed
3362W-1-105LF 3362W-1-105LF Bourns Inc. TRIMMER 1M OHM 0.5W PC PIN SIDE Na stanie69930 pcs 0.5W, 1/2W Tube 3362W 1 MOhms 1 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.275' x 0.260' Face (6.99mm x 6.60mm) Through Hole Trimpot® 3362 - Sealed
3306P-1-503 3306P-1-503 Bourns Inc. TRIMMER 50K OHM 0.2W PC PIN TOP Na stanie159880 pcs 0.2W, 1/5W Bulk 3306P 50 kOhms 1 Cermet Top Adjustment ±250ppm/°C ±25% PC Pins Rectangular - 0.319' x 0.268' Face (8.10mm x 6.80mm) Through Hole Trimpot® 3306 - Open Frame
67XR100KLF 67XR100KLF TT Electronics/BI TRIMMER 100KOHM 0.5W PC PIN SIDE Na stanie44600 pcs 0.5W, 1/2W Bulk 67XR 100 kOhms 20 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.375" x 0.195" Face (9.53mm x 4.95mm) Through Hole 67
3386P-1-201LF 3386P-1-201LF Bourns Inc. TRIMMER 200 OHM 0.5W PC PIN TOP Na stanie63030 pcs 0.5W, 1/2W Tube 3386P 200 Ohms 1 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Square - 0.375' x 0.375' Face (9.53mm x 9.53mm) Through Hole Trimpot® 3386 - Sealed
3362X-1-502LF 3362X-1-502LF Bourns Inc. TRIMMER 5K OHM 0.5W PC PIN SIDE Na stanie64730 pcs 0.5W, 1/2W Tube 3362X 5 kOhms 1 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.275' x 0.260' Face (6.99mm x 6.60mm) Through Hole Trimpot® 3362 - Sealed
3362P-1-504LF 3362P-1-504LF Bourns Inc. TRIMMER 500K OHM 0.5W PC PIN TOP Na stanie102910 pcs 0.5W, 1/2W Tube 3362P 500 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.275" x 0.260" Face (6.99mm x 6.60mm) Through Hole Trimpot® 3362 - Sealed
3266P-1-201LF 3266P-1-201LF Bourns Inc. TRIMMER 200OHM 0.25W PC PIN SIDE Na stanie18412 pcs 0.25W, 1/4W Tube 3266P 200 Ohms 12 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.250' x 0.174' Face (6.35mm x 4.42mm) Through Hole Trimpot® 3266 - Sealed
3266P-1-102LF 3266P-1-102LF Bourns Inc. TRIMMER 1K OHM 0.25W PC PIN SIDE Na stanie23500 pcs 0.25W, 1/4W Tube 3266P 1 kOhms 12 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.250' x 0.174' Face (6.35mm x 4.42mm) Through Hole Trimpot® 3266 - Sealed
3362P-1-103 3362P-1-103 Bourns Inc. TRIMMER 10K OHM 0.5W PC PIN TOP Na stanie40440 pcs 0.5W, 1/2W Tube 3362P 10 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.275' x 0.260' Face (6.99mm x 6.60mm) Through Hole Trimpot® 3362 - Sealed
3306F-1-103 3306F-1-103 Bourns Inc. TRIMMER 10K OHM 0.2W PC PIN TOP Na stanie184050 pcs 0.2W, 1/5W Bulk 3306F 10 kOhms 1 Cermet Top Adjustment ±250ppm/°C ±25% PC Pins Rectangular - 0.319' x 0.268' Face (8.10mm x 6.80mm) Through Hole Trimpot® 3306 - Open Frame
3266X-1-104LF 3266X-1-104LF Bourns Inc. TRIMMER 100K OHM 0.25W PC PIN Na stanie16350 pcs 0.25W, 1/4W Tube 3266X 100 kOhms 12 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.250' x 0.170' Face (6.35mm x 4.32mm) Through Hole Trimpot® 3266 - Sealed
3224W-1-500E 3224W-1-500E Bourns Inc. TRIMMER 50 OHM 0.25W J LEAD TOP Na stanie10189 pcs 0.25W, 1/4W Tape & Reel (TR) 3224W 50 Ohms 12 Cermet Top Adjustment ±100ppm/°C ±10% J Lead Rectangular - 0.189" x 0.138" Face (4.80mm x 3.50mm) Surface Mount Trimpot® 3224 - Sealed
3224W-1-253E 3224W-1-253E Bourns Inc. TRIMMER 25K OHM 0.25W J LEAD TOP Na stanie14298 pcs 0.25W, 1/4W Tape & Reel (TR) 3224W 25 kOhms 12 Cermet Top Adjustment ±100ppm/°C ±10% J Lead Rectangular - 0.189' x 0.138' Face (4.80mm x 3.50mm) Surface Mount Trimpot® 3224 - Sealed
3296Y-1-503LF 3296Y-1-503LF Bourns Inc. TRIMMER 50K OHM 0.5W PC PIN TOP Na stanie31007 pcs 0.5W, 1/2W Tube 3296Y 50 kOhms 25 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.375" x 0.190" Face (9.53mm x 4.83mm) Through Hole Trimpot® 3296 - Sealed
3362W-1-203LF 3362W-1-203LF Bourns Inc. TRIMMER 20K OHM 0.5W PC PIN SIDE Na stanie86250 pcs 0.5W, 1/2W Tube 3362W 20 kOhms 1 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.275" x 0.260" Face (6.99mm x 6.60mm) Through Hole Trimpot® 3362 - Sealed
3224J-1-101E 3224J-1-101E Bourns Inc. TRIMMER 100OHM 0.25W J LEAD SIDE Na stanie14589 pcs 0.25W, 1/4W Tape & Reel (TR) 3224J 100 Ohms 12 Cermet Side Adjustment ±100ppm/°C ±10% J Lead Rectangular - 0.181' x 0.138' Face (4.60mm x 3.50mm) Surface Mount Trimpot® 3224 - Sealed
3006P-1-501 3006P-1-501 Bourns Inc. TRIMMER 500OHM 0.75W PC PIN SIDE Na stanie25022 pcs 0.75W, 3/4W Tube 3006P 500 Ohms 15 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.250" x 0.190" Face (6.35mm x 4.83mm) Through Hole Trimpot® 3006 - Sealed
3314J-1-504E 3314J-1-504E Bourns Inc. TRIMMER 500KOHM 0.25W J LEAD TOP Na stanie26361 pcs 0.25W, 1/4W Tape & Reel (TR) 3314J 500 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±20% J Lead Square - 0.177" x 0.177" Face (4.50mm x 4.50mm) Surface Mount Trimpot® 3314 - Sealed
3386F-1-102TLF 3386F-1-102TLF Bourns Inc. TRIMMER 1K OHM 0.5W PC PIN TOP Na stanie40245 pcs 0.5W, 1/2W Tube 3386F 1 kOhms 1 Cermet Top Finger Adjustment ±100ppm/°C ±10% PC Pins Square - 0.375' x 0.375' Face (9.53mm x 9.53mm) Through Hole Trimpot® 3386 - Sealed
3006P-1-101 3006P-1-101 Bourns Inc. TRIMMER 100OHM 0.75W PC PIN SIDE Na stanie15515 pcs 0.75W, 3/4W Tube 3006P 100 Ohms 15 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.250' x 0.190' Face (6.35mm x 4.83mm) Through Hole Trimpot® 3006 - Sealed
3364X-1-503E 3364X-1-503E Bourns Inc. TRIMMER 50K OHM 0.2W J LEAD TOP Na stanie5260 pcs 0.2W, 1/5W Tape & Reel (TR) 3364X 50 kOhms 1 Cermet Top Adjustment ±250ppm/°C ±25% J Lead Rectangular - 0.177' x 0.150' Face (4.50mm x 3.80mm) Surface Mount Trimpot® 3364 - Open Frame
3314G-1-502E 3314G-1-502E Bourns Inc. TRIMMER 5K OHM 0.25W GW TOP ADJ Na stanie34003 pcs 0.25W, 1/4W Tape & Reel (TR) 3314G 5 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±20% Gull Wing Square - 0.177" x 0.177" Face (4.50mm x 4.50mm) Surface Mount Trimpot® 3314 - Sealed
3224J-1-501E 3224J-1-501E Bourns Inc. TRIMMER 500OHM 0.25W J LEAD SIDE Na stanie8865 pcs 0.25W, 1/4W Tape & Reel (TR) 3224J 500 Ohms 12 Cermet Side Adjustment ±100ppm/°C ±10% J Lead Rectangular - 0.181' x 0.138' Face (4.60mm x 3.50mm) Surface Mount Trimpot® 3224 - Sealed
PV36W104C01B00 PV36W104C01B00 Bourns Inc. TRIMMER 100K OHM 0.5W PC PIN TOP Na stanie49000 pcs 0.5W, 1/2W Tube PV36W 100 kOhms 25 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.378" x 0.197" Face (9.60mm x 5.00mm) Through Hole PV36
3362M-1-104LF 3362M-1-104LF Bourns Inc. TRIMMER 100KOHM 0.5W PC PIN SIDE Na stanie57440 pcs 0.5W, 1/2W Tube 3362M 100 kOhms 1 Cermet Side Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.275" x 0.260" Face (6.99mm x 6.60mm) Through Hole Trimpot® 3362 - Sealed
3296W-1-201LF 3296W-1-201LF Bourns Inc. TRIMMER 200 OHM 0.5W PC PIN TOP Na stanie26592 pcs 0.5W, 1/2W Tube 3296W 200 Ohms 25 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.375' x 0.190' Face (9.53mm x 4.83mm) Through Hole Trimpot® 3296 - Sealed
3386P-1-254LF 3386P-1-254LF Bourns Inc. TRIMMER 250K OHM 0.5W PC PIN TOP Na stanie48540 pcs 0.5W, 1/2W Tube 3386P 250 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Square - 0.375" x 0.375" Face (9.53mm x 9.53mm) Through Hole Trimpot® 3386 - Sealed
3313J-2-104E 3313J-2-104E Bourns Inc. TRIMMER 100K OHM 0.125W J LEAD Na stanie49680 pcs 0.125W, 1/8W Tape & Reel (TR) 3313J 100 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±20% J Lead Rectangular - 0.138" x 0.126" Face (3.50mm x 3.20mm) Surface Mount Trimpot® 3313 - Sealed
3313J-1-105E 3313J-1-105E Bourns Inc. TRIMMER 1M OHM 0.125W J LEAD TOP Na stanie28180 pcs 0.125W, 1/8W Tape & Reel (TR) 3313J 1 MOhms 1 Cermet Top Adjustment ±100ppm/°C ±20% J Lead Rectangular - 0.138' x 0.126' Face (3.50mm x 3.20mm) Surface Mount Trimpot® 3313 - Sealed
3266W-1-201LF 3266W-1-201LF Bourns Inc. TRIMMER 200 OHM 0.25W PC PIN TOP Na stanie20924 pcs 0.25W, 1/4W Tube 3266W 200 Ohms 12 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Rectangular - 0.250' x 0.170' Face (6.35mm x 4.32mm) Through Hole Trimpot® 3266 - Sealed
3329H-1-103LF 3329H-1-103LF Bourns Inc. TRIMMER 10K OHM 0.5W PC PIN TOP Na stanie25508 pcs 0.5W, 1/2W Tube 3329H 10 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±10% PC Pins Round - 0.250' Dia (6.35mm) Through Hole Trimpot® 3329 - Sealed
3313J-1-204E 3313J-1-204E Bourns Inc. TRIMMER 200K OHM 0.125W J LEAD Na stanie35669 pcs 0.125W, 1/8W Tape & Reel (TR) 3313J 200 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±20% J Lead Rectangular - 0.138' x 0.126' Face (3.50mm x 3.20mm) Surface Mount Trimpot® 3313 - Sealed
3314J-1-253E 3314J-1-253E Bourns Inc. TRIMMER 25K OHM 0.25W J LEAD TOP Na stanie35645 pcs 0.25W, 1/4W Tape & Reel (TR) 3314J 25 kOhms 1 Cermet Top Adjustment ±100ppm/°C ±20% J Lead Square - 0.177' x 0.177' Face (4.50mm x 4.50mm) Surface Mount Trimpot® 3314 - Sealed
14567891014
Allelco
O nas
Historia
Certyfikaty
Rekrutacja
Zasady
Zasady i Warunki
Polityka prywatności
Polityka Cookie
Usługi
Śledzenie zamówienia
Powrót i wymiana
Często Zadawane Pytania
Skontaktuj się z nami
Zamówienie
Wysyłka i dostawa
Metody Płatności
Moje konto
BlogiGorące częściZmień językAktualnościMapa witryny
Skontaktuj się z nami
Adres siedziby głównej:
Pokój C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
Hongkong
Service Tel: +852-91464856
E -mail usługi: info@allelco.com
Podążaj za nami
Copyright © 2012-2023 AllelcoElec.com.
Wszelkie prawa zastrzeżone.
0 RFQ
Wózek sklepowy (0 Items)
To jest puste.
Prześlij zapytanie
Porównaj listę (0 Items)
To jest puste.
Informacja zwrotna

Twoja opinia ma znaczenie!W Allelco cenimy wrażenia użytkownika i staramy się go stale ulepszać.
Proszę udostępnić nam swoje komentarze za pośrednictwem naszego formularza opinii, a my odpowiemy niezwłocznie.
Dziękujemy za wybranie Allelco.

Temat
E-mail
Komentarze
Captcha
Przeciągnij lub kliknij, aby przesłać plik
Przesyłanie pliku
Rodzaje: .xls, .xlsx, .doc, .docx, .jpg, .png i .pdf.
Max Rozmiar pliku: 10 MB