Xem tất cả

Vui lòng tham khảo phiên bản tiếng Anh là phiên bản chính thức của chúng tôi.Trở lại

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) Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino) United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ) New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português) United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
NhàCác sản phẩmBộ cách lyOptoisolators - Triac, đầu ra SCR

Optoisolators - Triac, đầu ra SCR

Sản phẩm 607 được tìm thấy

Danh sách sản phẩm

1234567...13
So sánh Hình ảnh Phần # nhà chế tạo Sự miêu tả Hàng tồn kho Mô hình ECAD RoHS Hiện tại - Mở Nhà nước (It (RMS)) (Max) Bưu kiện Số sản phẩm cơ sở Cơ quan phê duyệt Vài cái tên khác Tình trạng miễn phí / Tình trạng RoHS Bao bì Turn On Time Hiện tại - LED Trigger (Ift) (Max) Dạng tĩnh / dt (Tối thiểu) Đường kính trục (mm) Hiện tại - Chuyển tiếp DC (Nếu) (Tối đa) Điện áp - chuyển tiếp (Vf) (Typ) Điện áp - Cách ly Hiện tại - Hold (Ih) Điện áp - Nhà Tắt Gói thiết bị nhà cung cấp Gói / Case Số kênh Loại đầu ra gắn Loại Approvals Nhiệt độ hoạt động Loạt miêu tả cụ thể Số lượng
IL420-X017T IL420-X017T Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC Trong kho4470 pcs 300 mA Tape & Reel (TR) IL420 CQC, CSA, cUR, UR, VDE - - - 35µs 2mA 10kV/µs No 60 mA 1.16V 5300Vrms 500µA 600 V - 6-SMD 1 Triac Surface Mount - -55°C ~ 100°C - -
MOC3021SM MOC3021SM onsemi OPTOISOLATOR 4.17KV TRIAC 6SMD Trong kho191440 pcs - Tube MOC302 UL - - - - 15mA - No 60 mA 1.15V 4170Vrms 100µA (Typ) 400 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 85°C - -
EL3052S(TA) EL3052S(TA) Everlight Electronics Co Ltd OPTOISOLATOR 5KV TRIAC 6SMD Trong kho76520 pcs 100 mA Tape & Reel (TR) EL3052 CSA, DEMKO, FIMKO, NEMKO, SEMKO, UL - - - - 10mA 1kV/µs No 60 mA 1.18V 5000Vrms 250µA (Typ) 600 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -55°C ~ 100°C - -
IL420-X007T IL420-X007T Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC 6SMD Trong kho5110 pcs 300 mA Tape & Reel (TR) IL420 CQC, CSA, cUR, UR - - - 35µs 2mA 10kV/µs No 60 mA 1.16V 5300Vrms 500µA 600 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -55°C ~ 100°C - -
APT1211SX APT1211SX Panasonic Electric Works OPTOISOLATOR 3.75KV TRIAC 4SOP Trong kho37060 pcs 50 mA Tape & Reel (TR) APT1211 cUR, VDE - - - 100µs (Max) 10mA 500V/µs Yes 50 mA 1.21V 3750Vrms 3.5mA 600 V 4-SOP 4-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 100°C APT -
MOC3052TVM MOC3052TVM onsemi OPTOISOLATOR 4.17KV TRIAC 6DIP Trong kho142650 pcs - Tube MOC305 UR, VDE - - - - 10mA 1kV/µs No 60 mA 1.18V 4170Vrms 220µA (Typ) 600 V 6-DIP 6-DIP (0.400', 10.16mm) 1 Triac Through Hole - -40°C ~ 85°C - -
MOC3023TVM MOC3023TVM Fairchild Semiconductor TRIAC OUTPUT OPTOCOUPLER, 5300V Trong kho4030 pcs - Bulk MOC302 IEC/EN/DIN, UL - - - - 5mA - No 60 mA 1.15V 4170Vrms 100µA (Typ) 400 V 6-DIP 6-DIP (0.400", 10.16mm) 1 Triac Through Hole - -40°C ~ 85°C - -
IL4118-X001 IL4118-X001 Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC 6DIP Trong kho3640 pcs 300 mA Tube IL4118 BSI, CSA, cUR, FIMKO, UR, VDE - - - 35µs 1.3mA 10kV/µs Yes 60 mA 1.3V 5300Vrms 200µA 800 V 6-DIP 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -55°C ~ 100°C - -
IL4118-X017T IL4118-X017T Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC Trong kho4760 pcs 300 mA Tape & Reel (TR) IL4118 BSI, CSA, cUR, FIMKO, UR, VDE - - - 35µs 1.3mA 10kV/µs Yes 60 mA 1.3V 5300Vrms 200µA 800 V - 6-SMD 1 Triac Surface Mount - -55°C ~ 100°C - -
MOC3052SR2M MOC3052SR2M onsemi OPTOISOLATOR 4.17KV TRIAC 6SMD Trong kho59050 pcs - Tape & Reel (TR) MOC305 UR - - - - 10mA 1kV/µs No 60 mA 1.18V 4170Vrms 220µA (Typ) 600 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 85°C - -
MOC3022M MOC3022M Lite-On Inc. OPTOISOLATOR 5KV TRIAC 6DIP Trong kho203470 pcs - Tube MOC302 CQC, CSA, TUV, UL, VDE - - - - 10mA 1kV/µs No 50 mA 1.15V 5000Vrms 250µA (Typ) 400 V 6-DIP 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -40°C ~ 100°C MOC302x -
EL3062S(TA) EL3062S(TA) Everlight Electronics Co Ltd OPTOISOLATOR 5KV TRIAC 6SMD Trong kho157970 pcs 100 mA Tape & Reel (TR) EL3062 CSA, DEMKO, FIMKO, NEMKO, SEMKO, UL - - - - 10mA 1kV/µs Yes 60 mA 1.5V (Max) 5000Vrms 280µA (Typ) 600 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -55°C ~ 100°C - -
IL410-X007T IL410-X007T Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC Trong kho26944 pcs 300 mA Tape & Reel (TR) IL410 CSA, UR - - - 35µs 2mA 10kV/µs Yes 60 mA 1.16V 5300Vrms 500µA 600 V 6-SMD 6-SMD 1 Triac Surface Mount - -55°C ~ 100°C - -
MOC3052S MOC3052S Lite-On Inc. OPTOISOLATOR 5KV TRIAC 6SMD Trong kho176660 pcs - Tube MOC305 CSA, FIMKO, UL - - - - 10mA 1kV/µs No 50 mA 1.2V 5000Vrms 400µA (Typ) 600 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 100°C MOC305x -
FODM3052 FODM3052 Fairchild Semiconductor TRIAC OUTPUT OPTOCOUPLER Trong kho5200 pcs 70 mA Tube FODM30 BSI, CSA, UL - - - - 10mA 1kV/µs No 60 mA 1.2V 3750Vrms 300µA (Typ) 600 V 4-SMD 4-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 100°C - -
FOD4218 FOD4218 Fairchild Semiconductor TRIAC OUTPUT OPTOCOUPLER, 5000V Trong kho4260 pcs - Bulk FOD421 cUL, FIMKO, UL - - - 60µs 1.3mA 10kV/µs No 30 mA 1.28V 5000Vrms 500µA 800 V 6-DIP 6-DIP (0.400", 10.16mm) 1 Triac Through Hole - -55°C ~ 100°C - -
VO2223-X001 VO2223-X001 Vishay Semiconductor Opto Division OPTOISOLTR 5.3KV PWR TRIAC 8DIP Trong kho44240 pcs 900 mA Tube VO2223 cUR, UR, VDE - - - - 10mA 210V/µs (Typ) No 50 mA 1.3V (Max) 5300Vrms 25mA 600 V 8-DIP 8-DIP (0.300", 7.62mm), 7 Leads 1 Triac, Power Through Hole - -40°C ~ 85°C - -
IL4116-X009T IL4116-X009T Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC Trong kho5410 pcs 300 mA Tape & Reel (TR) IL4116 BSI, CSA, cUR, FIMKO, UR - - - 35µs 1.3mA 10kV/µs Yes 60 mA 1.3V 5300Vrms 200µA 600 V - 6-SMD 1 Triac Surface Mount - -55°C ~ 100°C - -
MOC3023SR2VM MOC3023SR2VM onsemi OPTOISOLATOR 4.17KV TRIAC 6SMD Trong kho109150 pcs - Tape & Reel (TR) MOC302 IEC/EN/DIN, UL - - - - 5mA - No 60 mA 1.15V 4170Vrms 100µA (Typ) 400 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 85°C - -
MOC3041SM MOC3041SM onsemi OPTOISOLATOR 4.17KV TRIAC 6SMD Trong kho102500 pcs - Tube MOC304 UL - - - - 15mA 1kV/µs Yes 60 mA 1.25V 4170Vrms 400µA (Typ) 400 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 85°C - -
MOC3042TM MOC3042TM onsemi OPTOISOLATOR 4.17KV TRIAC 6DIP Trong kho4000 pcs - Tube MOC304 UL - - - - 10mA 1kV/µs Yes 60 mA 1.25V 4170Vrms 400µA (Typ) 400 V 6-DIP 6-DIP (0.400', 10.16mm) 1 Triac Through Hole - -40°C ~ 85°C - -
FODM3023 FODM3023 onsemi OPTOISOLATOR 3.75KV TRIAC 4MFP Trong kho3800 pcs 70 mA Tube FODM30 BSI, CSA, UL - - - - 5mA 10V/µs (Typ) No 60 mA 1.2V 3750Vrms 300µA (Typ) 400 V 4-SMD 4-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 100°C - -
MOC3081SR2M MOC3081SR2M onsemi OPTOISOLATOR 4.17KV TRIAC 6SMD Trong kho48380 pcs - Tape & Reel (TR) MOC308 UL - - - - 15mA 600V/µs Yes 60 mA 1.3V 4170Vrms 500µA (Typ) 800 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 85°C - -
PC4SD11NTZCF PC4SD11NTZCF Sharp Microelectronics OPTOISOLATOR 5KV TRIAC 6DIP Trong kho4230 pcs 100mA - - - 425-2150-5 Lead free / RoHS Compliant Tube 100µs (Max) 5mA 50V/µs No 50mA 1.2V 5000Vrms 3.5mA 800V 6-DIP 6-DIP (0.300", 7.62mm), 5 Leads 1 Triac Through Hole CSA, UR -30°C ~ 100°C - Optoisolator Triac Output 5000Vrms 1 Channel 6-DIP
IL4118-X007T IL4118-X007T Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC Trong kho3990 pcs 300 mA Tape & Reel (TR) IL4118 BSI, CSA, cUR, FIMKO, UR - - - 35µs 1.3mA 10kV/µs Yes 60 mA 1.3V 5300Vrms 200µA 800 V - 6-SMD 1 Triac Surface Mount - -55°C ~ 100°C - -
FOD4118 FOD4118 Fairchild Semiconductor TRIAC OUTPUT OPTOCOUPLER WITH ZE Trong kho20000 pcs - Bulk FOD411 CSA, UL - - - 60µs 1.3mA 10kV/µs Yes 30 mA 1.25V 5000Vrms 500µA 800 V 6-DIP 6-DIP (0.400", 10.16mm) 1 Triac Through Hole - -55°C ~ 100°C - -
PC3ST11NSZAF PC3ST11NSZAF Sharp Microelectronics OPTOISOLATOR 5KV TRIAC 4DIP Trong kho4290 pcs 100 mA Tube PC3ST11 CSA, UR - - - 100µs (Max) 10mA 1kV/µs No 50 mA 1.2V 5000Vrms 3.5mA 600 V 4-DIP 4-DIP (0.300", 7.62mm) 1 Triac Through Hole - -30°C ~ 100°C - -
MOC3043XSM MOC3043XSM Isocom Components 2004 LTD OPTOISOLATOR 5.3KV TRIAC 6SMD Trong kho120310 pcs - Tube MOC304 UR, VDE - - - - 5mA 600V/µs Yes 50 mA 1.2V 5300Vrms 400µA (Typ) 400 V - 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 100°C - -
K3011P K3011P Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC 6DIP Trong kho3810 pcs 100 mA Tube K3011 BSI, CQC, UR, VDE - - - - 10mA 10kV/µs (Typ) No 80 mA 1.25V 5300Vrms 100µA (Typ) 250 V 6-DIP 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -55°C ~ 100°C - -
MOC3042FR2M MOC3042FR2M Fairchild Semiconductor TRIAC OUTPUT OPTOCOUPLER Trong kho134640 pcs - Bulk MOC304 - - - - - 10mA - Yes 60 mA - 7500Vpk 400µA (Typ) 400 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - - - -
MOC3011SM MOC3011SM onsemi OPTOISOLATOR 4.17KV TRIAC 6SMD Trong kho157230 pcs - Tube MOC301 UL - - - - 10mA - No 60 mA 1.15V 4170Vrms 100µA (Typ) 250 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 85°C - -
IL4117-X007 IL4117-X007 Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC Trong kho5180 pcs 300 mA Tube IL4117 BSI, CSA, cUR, FIMKO, UR - - - 35µs 1.3mA 10kV/µs Yes 60 mA 1.3V 5300Vrms 200µA 700 V - 6-SMD 1 Triac Surface Mount - -55°C ~ 100°C - -
MOC3023M MOC3023M Lite-On Inc. OPTOISOLATOR 5KV TRIAC 6DIP Trong kho254030 pcs - Tube MOC302 CQC, CSA, TUV, UL, VDE - - - - 5mA 1kV/µs No 50 mA 1.15V 5000Vrms 250µA (Typ) 400 V 6-DIP 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -40°C ~ 100°C MOC302x -
S2S4A00F S2S4A00F SHARP/Socle Technology OPTOISOLATOR 3.75KV TRIAC 4SMD Trong kho79270 pcs 50 mA Tape & Reel (TR) S2S4A00 CSA, UR - - - 50µs (Max) 10mA 100V/µs Yes 50 mA 1.2V 3750Vrms 3.5mA 600 V 4-SMD 4-SMD 1 Triac Surface Mount - -30°C ~ 100°C - -
MOC3023TM MOC3023TM onsemi OPTOISOLATOR 4.17KV TRIAC 6DIP Trong kho5190 pcs - Tube MOC302 UL - - - - 5mA - No 60 mA 1.15V 4170Vrms 100µA (Typ) 400 V 6-DIP 6-DIP (0.400', 10.16mm) 1 Triac Through Hole - -40°C ~ 85°C - -
FODM3063 FODM3063 Fairchild Semiconductor TRIAC OUTPUT OPTOCOUPLER Trong kho4420 pcs 70 mA Bulk FODM30 UL - - - - 5mA 600V/µs Yes 60 mA 1.5V (Max) 3750Vrms 300µA (Typ) 600 V 4-SMD 4-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 100°C - -
BRT21H BRT21H Infineon Technologies TRIAC OUTPUT OPTOCOUPLER WITH ZE Trong kho4580 pcs 300 mA Bulk BRT21 - - - - - 2mA 10kV/µs No 20 mA 1.1V 5333Vrms 500µA 400 V 6-DIP 6-DIP (0.300", 7.62mm) 1 Triac Through Hole - -40°C ~ 100°C SITAC® -
FOD4216SDV FOD4216SDV onsemi OPTOISOLATOR 5KV TRIAC 6SMD Trong kho18673 pcs - Tape & Reel (TR) FOD4216 cUL, FIMKO, UL, VDE - - - 60µs 1.3mA 10kV/µs No 30 mA 1.28V 5000Vrms 500µA 600 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -55°C ~ 100°C - -
MOC3020SR2VM MOC3020SR2VM onsemi OPTOISOLATOR 4.17KV TRIAC 6SMD Trong kho4350 pcs - Tape & Reel (TR) MOC302 IEC/EN/DIN, UL - - - - 30mA - No 60 mA 1.15V 4170Vrms 100µA (Typ) 400 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 85°C - -
MOC3081M MOC3081M onsemi OPTOISOLATOR 4.17KV TRIAC 6DIP Trong kho96800 pcs - Tube MOC308 UL - - - - 15mA 600V/µs Yes 60 mA 1.3V 4170Vrms 500µA (Typ) 800 V 6-DIP 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -40°C ~ 85°C - -
PC3SD11NTZBF PC3SD11NTZBF SHARP/Socle Technology OPTOISOLATOR 5KV TRIAC 6DIP Trong kho4650 pcs 100 mA Tube PC3SD11 CSA, UR - - - 100µs (Max) 7mA 1kV/µs No 50 mA 1.2V 5000Vrms 3.5mA 600 V 6-DIP 6-DIP (0.300', 7.62mm), 5 Leads 1 Triac Through Hole - -30°C ~ 100°C - -
IL4108-X007 IL4108-X007 Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC Trong kho4720 pcs 300 mA Tube IL4108 CSA, UR - - - 35µs 2mA 10kV/µs Yes 60 mA 1.16V 5300Vrms 500µA 800 V - 6-SMD 1 Triac Surface Mount - -55°C ~ 100°C - -
MOC3052X MOC3052X Isocom Components 2004 LTD OPTOISOLATOR 5.3KV TRIAC 6DIP Trong kho119790 pcs - Tube MOC305 UR, VDE - - - - 10mA 1kV/µs No 50 mA 1.2V 5300Vrms 100µA (Typ) 600 V - 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -40°C ~ 100°C - -
MOC3022 MOC3022 onsemi ISOL 5.3KVRMS 1CH TRIAC OUT 6DIP Trong kho3610 pcs - Tube MOC302 - - - - - 10mA - No 50 mA - 5300Vrms 100µA 400 V 6-DIP 6-DIP (0.300", 7.62mm) 1 Triac Through Hole - - - -
MOC3083SM MOC3083SM onsemi OPTOISOLATOR 4.17KV TRIAC 6SMD Trong kho72860 pcs - Tube MOC308 UL - - - - 5mA 600V/µs Yes 60 mA 1.3V 4170Vrms 500µA (Typ) 800 V 6-SMD 6-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 85°C - -
K3022P K3022P Vishay Semiconductor Opto Division OPTOISOLATOR 5.3KV TRIAC 6DIP Trong kho126440 pcs 100 mA Tube K3022 BSI, CQC, CSA, cUR, UR, VDE - - - - 10mA 10V/µs (Typ) No 80 mA 1.3V 5300Vrms 200µA (Typ) 400 V 6-DIP 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -55°C ~ 100°C - -
FOD410 FOD410 onsemi OPTOISOLATOR 5KV TRIAC 6DIP Trong kho20702 pcs - Tube FOD410 CSA, UL - - - 60µs 2mA 10kV/µs Yes 30 mA 1.25V 5000Vrms 500µA 600 V 6-DIP 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -55°C ~ 100°C - -
MOC3012M MOC3012M onsemi OPTOISOLATOR 4.17KV TRIAC 6DIP Trong kho144540 pcs - Tube MOC301 UL - - - - 5mA - No 60 mA 1.15V 4170Vrms 100µA (Typ) 250 V 6-DIP 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -40°C ~ 85°C - -
FODM3010 FODM3010 onsemi OPTOISOLATOR 3.75KV TRIAC 4MFP Trong kho4610 pcs 70 mA Tube FODM30 BSI, CSA, UL - - - - 15mA 10V/µs (Typ) No 60 mA 1.2V 3750Vrms 300µA (Typ) 250 V 4-SMD 4-SMD, Gull Wing 1 Triac Surface Mount - -40°C ~ 100°C - -
MOC3021M MOC3021M Lite-On Inc. OPTOISOLATOR 5KV TRIAC 6DIP Trong kho195720 pcs - Tube MOC302 CQC, CSA, TUV, UL, VDE - - - - 15mA 1kV/µs No 50 mA 1.15V 5000Vrms 250µA (Typ) 400 V 6-DIP 6-DIP (0.300', 7.62mm) 1 Triac Through Hole - -40°C ~ 100°C MOC302x -
1234567...13
0 RFQ
Giỏ hàng (0 Items)
Nó trống rỗng.
So sánh danh sách (0 Items)
Nó trống rỗng.
Nhận xét

Vấn đề phản hồi của bạn!Tại Allelco, chúng tôi đánh giá cao trải nghiệm người dùng và cố gắng cải thiện nó liên tục.
Vui lòng chia sẻ ý kiến của bạn với chúng tôi thông qua mẫu phản hồi của chúng tôi và chúng tôi sẽ trả lời kịp thời.
Cảm ơn bạn đã chọn Allelco.

Chủ thể
E-mail
Bình luận
mã ngẫu nhiên
Kéo hoặc nhấp để tải lên tệp
Cập nhật dử liệu
Các loại: .xls, .xlsx, .doc, .docx, .jpg, .png và .pdf.
Kích thước tệp tối đa: 10MB