모두보기

영어판을 공식 버전으로 해주세요돌아가기

유럽
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)
아시아 태평양
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
아프리카, 인도 및 중동
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
남아메리카 / 오세아니아
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
북아메리카
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
제품 센터전원 공급 장치-보드 장착dc dc 컨버터

dc dc 컨버터

11,620 제품이 발견되었습니다

제품 목록

1...162163164165166167168...233
비교 그림 부분 # 제조사 기술 재고 ECAD 모델 RoHS 능률 출력 수 제어 기능 전류 - 출력 (최대) 전압 - 입력 (최소) 전압 - 출력 1 전압 - 출력 2 전압 - 출력 3 전압 - 출력 (4) 전압 - 분리 승인 기관 표준 번호 기본 제품 번호 패키지 실장 형 연속 작동 온도 크기 / 치수 전압 - 입력 (최대) 유형 풍모 응용 프로그램 패키지 / 케이스 제조업체 장치 패키지 전력 (W) 수량
VE-250-CY Vicor Corporation DC DC CONVERTER 5V 50W 유품3870 pcs 90% 1 - 10A 100V 5V - - - 3 kV - - VE-250 Bulk Through Hole VE-200™ (50W) -25°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 200V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 50 W
VE-2W1-EW Vicor Corporation DC DC CONVERTER 12V 100W 유품4070 pcs 88% 1 - 8.33A 18V 12V - - - 3 kV - - VE-2W1 Bulk Through Hole VE-200™ (100W) -10°C ~ 85°C 4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm) 36V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 100 W
VE-JN3-EZ Vicor Corporation DC DC CONVERTER 24V 25W 유품114 pcs 88% 1 - 1.04A 36V 24V - - - 3 kV - - VE-JN3 Bulk Through Hole VE-J00™ (25W) -10°C ~ 100°C 2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm) 76V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 25 W
VE-224-CW Vicor Corporation DC DC CONVERTER 48V 100W 유품120 pcs 90% 1 - 2.08A 21V 48V - - - 3 kV - - VE-224 Bulk Through Hole VE-200™ (100W) -25°C ~ 85°C 4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm) 56V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 100 W
VE-233-IY Vicor Corporation DC DC CONVERTER 24V 50W 유품4340 pcs 90% 1 - 2.08A 42V 24V - - - 3 kV - - VE-233 Bulk Through Hole VE-200™ (50W) -40°C ~ 85°C 4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm) 60V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 50 W
TQD085ZED-A Bel Power Solutions DC DC CONVERTER 3.3V 2.5V 100W 유품4870 pcs 82% 2 - 20A, 25A 36V 3.3V 2.5V - - 1.5 kV - - - Bulk Through Hole TQD (100W) -40°C ~ 100°C 3.45' L x 2.40' W x 0.50' H (87.6mm x 61.0mm x 12.7mm) 72V Isolated Module - ITE (Commercial) 14-DIP Module - 100 W
VI-B6D-CU Vicor Corporation DC DC CONVERTER 85V 200W 유품4020 pcs 90% 1 - 2.35A 200V 85V - - - 3 kV - - VI-B6D Bulk Through Hole VI-200™ (200W) -25°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 400V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 200 W
CCP-2412SF TDK-Lambda Americas Inc DC DC CONVERTER 12V 10.2W 유품4810 pcs 85% 1 - 850mA 18V 12V - - - 500 V - - - Bulk Through Hole CCP (10W) -20°C ~ 70°C (With Derating) 1.79" L x 1.38" W x 0.33" H (45.5mm x 35.1mm x 8.4mm) 36V Isolated Module OCP ITE (Commercial) 8-DIP Module - 10.2 W
VE-254-EU Vicor Corporation DC DC CONVERTER 48V 200W 유품114 pcs 88% 1 - 4.17A 100V 48V - - - 3 kV - - VE-254 Bulk Through Hole VE-200™ (200W) -10°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 200V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 200 W
VE-2T2-CY Vicor Corporation DC DC CONVERTER 15V 50W 유품176 pcs 90% 1 - 3.33A 66V 15V - - - 3 kV - - VE-2T2 Bulk Through Hole VE-200™ (50W) -25°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 160V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 50 W
VE-J00-CZ Vicor Corporation DC DC CONVERTER 5V 25W 유품149 pcs 90% 1 - 5A 10V 5V - - - 3 kV - - VE-J00 Bulk Through Hole VE-J00™ (25W) -25°C ~ 100°C 2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm) 20V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 25 W
VE-J72-EZ Vicor Corporation DC DC CONVERTER 15V 25W 유품137 pcs 88% 1 - 1.67A 100V 15V - - - 3 kV - - VE-J72 Bulk Through Hole VE-J00™ (25W) -10°C ~ 100°C 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm) 375V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 25 W
VE-JN1-CW Vicor Corporation DC DC CONVERTER 12V 100W 유품4820 pcs 90% 1 - 8.33A 36V 12V - - - 3 kV - - VE-JN1 Bulk Through Hole VE-J00™ (100W) -25°C ~ 100°C 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm) 76V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 100 W
VE-JN3-MX Vicor Corporation DC DC CONVERTER 24V 75W 유품4090 pcs 90% 1 - 3.13A 36V 24V - - - 3 kV - - VE-JN3 Bulk Through Hole VE-J00™ (75W) -55°C ~ 100°C 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm) 76V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 75 W
VI-B6Y-EU Vicor Corporation DC DC CONVERTER 3.3V 132W 유품5260 pcs 88% 1 - 40A 200V 3.3V - - - 3 kV - - VI-B6Y Bulk Through Hole VI-200™ (200W) -10°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 400V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 132 W
VE-J71-CZ Vicor Corporation DC DC CONVERTER 12V 25W 유품5060 pcs 90% 1 - 2.08A 100V 12V - - - 3 kV - - VE-J71 Bulk Through Hole VE-J00™ (25W) -25°C ~ 100°C 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm) 375V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 25 W
VE-2N1-EY Vicor Corporation DC DC CONVERTER 12V 50W 유품3650 pcs 88% 1 - 4.17A 36V 12V - - - 3 kV - - VE-2N1 Bulk Through Hole VE-200™ (50W) -10°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 76V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 50 W
VE-J41-EW Vicor Corporation DC DC CONVERTER 12V 100W 유품89 pcs 88% 1 - 8.33A 55V 12V - - - 3 kV - - VE-J41 Bulk Through Hole VE-J00™ (100W) -10°C ~ 100°C 2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm) 100V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 100 W
VI-B64-02 Vicor Corporation VI-B64-02 300V/32V 200W S 유품89 pcs - - - - - - - - - - - - VI-B64 Bulk - * - - - - - - - - -
VE-JN3-EW Vicor Corporation DC DC CONVERTER 24V 100W 유품153 pcs 88% 1 - 4.17A 36V 24V - - - 3 kV - - VE-JN3 Bulk Through Hole VE-J00™ (100W) -10°C ~ 100°C 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm) 76V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 100 W
VE-223-EY Vicor Corporation DC DC CONVERTER 24V 50W 유품4650 pcs 88% 1 - 2.08A 21V 24V - - - 3 kV - - VE-223 Bulk Through Hole VE-200™ (50W) -10°C ~ 85°C 4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm) 56V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 50 W
VI-JN0-IY-02 Vicor Corporation DC DC CONVERTER 50W 유품76 pcs - - - - - - - - - - - - VI-JN0 Bulk - * - - - - - - - - -
BXA30-48D05-F Artesyn Embedded Power DC DC CONVERTER +/-5V 30W 유품4850 pcs 80% 2 - 2.5A, 2.5A 36V 5V -5V - - 1.5 kV - - - Bulk Through Hole BXA30 (30W) -25°C ~ 100°C 3.02" L x 2.41" W x 0.52" H (76.3mm x 61.1mm x 13.3mm) 75V Isolated Module Remote On/Off, OVP, SCP ITE (Commercial) 8-DIP Module - 30 W
VE-J53-IY Vicor Corporation DC DC CONVERTER 24V 50W 유품3730 pcs 90% 1 - 2.08A 100V 24V - - - 3 kV - - VE-J53 Bulk Through Hole VE-J00™ (50W) -40°C ~ 100°C 2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm) 200V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 50 W
VI-J63-05 Vicor Corporation VI-J63-05 300V/24V 100W 유품145 pcs - - - - - - - - - - - - VI-J63 Bulk - * - - - - - - - - -
VE-J40-IZ Vicor Corporation DC DC CONVERTER 5V 25W 유품64 pcs 90% 1 - 5A 55V 5V - - - 3 kV - - VE-J40 Bulk Through Hole VE-J00™ (25W) -40°C ~ 100°C 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm) 100V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 25 W
VE-J03-09 Vicor Corporation VE-J03-09 24V/24V 55W SMD 유품106 pcs - - - - - - - - - - - - VE-J03 Bulk - * - - - - - - - - -
VE-J00-EY Vicor Corporation DC DC CONVERTER 5V 50W 유품128 pcs 88% 1 - 10A 10V 5V - - - 3 kV - - VE-J00 Bulk Through Hole VE-J00™ (50W) -10°C ~ 100°C 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm) 20V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 50 W
AIQ02R300-L Artesyn Embedded Power DC DC CONVERTER 28V 65W 유품295 pcs 89% 1 - 2.32A 250V 28V - - - - - - AIQ02R300 Tray Through Hole AIQ02R (65W) -40°C ~ 100°C 2.28" L x 1.45" W x 0.50" H (57.9mm x 36.8mm x 12.7mm) 420V Isolated Module OVP ITE (Commercial) 7-DIP Module, 1/4 Brick - 65 W
PM10-24S15 TDK-Lambda Americas Inc DC DC CONVERTER 15V 10W 유품4160 pcs - 1 - 670mA 18V 15V - - - 700 V - - - - Through Hole PM -40°C ~ 70°C 2.00" L x 1.00" W x 0.33" H (50.8mm x 25.4mm x 8.5mm) 36V Isolated Module OVP, SCP ITE (Commercial) 5-DIP Module - 10 W
VE-J34-MX Vicor Corporation DC DC CONVERTER 48V 75W 유품5050 pcs 90% 1 - 1.56A 42V 48V - - - 3 kV - - VE-J34 Bulk Through Hole VE-J00™ (75W) -55°C ~ 100°C 2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm) 60V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 75 W
K78U03-500R3 Mornsun America, LLC DC/DC CONVERTER 3.3V 유품19226 pcs 82% 1 - 500mA 9V 3.3V - - - - CE 62368-1 - Tube Through Hole K78UXX-500R3(L) -40°C ~ 85°C (With Derating) 0.45" L x 0.35" W x 0.69" H (11.5mm x 9.0mm x 17.5mm) 90V Non-Isolated PoL Module - ITE (Commercial) 3-SIP Module - -
VE-2W0-IY Vicor Corporation DC DC CONVERTER 5V 50W 유품55 pcs 90% 1 - 10A 18V 5V - - - 3 kV - - VE-2W0 Bulk Through Hole VE-200™ (50W) -40°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 36V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 50 W
PCD1R5-24-1212 TDK-Lambda Americas Inc DC DC CONVERTER +/-12V 1.44W 유품5400 pcs - 2 - 60mA, 60mA 18V 12V -12V - - - - - - - Through Hole PC -20°C ~ 70°C (With Derating) 1.08" L x 0.61" W x 0.31" H (27.5mm x 15.5mm x 7.8mm) 36V Isolated Module OCP ITE (Commercial) 6-DIP Module - 1.44 W
VI-B60-CV Vicor Corporation DC DC CONVERTER 5V 150W 유품92 pcs 90% 1 - 30A 200V 5V - - - 3 kV - - VI-B60 Bulk Through Hole VI-200™ (150W) -25°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 400V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 150 W
SSQE48T07050-NABNG Bel Power Solutions DC DC CONVERTER 5V 35W 유품4450 pcs 91% 1 Enable, Active Low 7A 36V 5V - - - 2.25 kV - - - Bulk Through Hole SSQE48 -40°C ~ 85°C 1.30' L x 0.90' W x 0.37' H (33.0mm x 22.8mm x 9.5mm) 75V Isolated Module Remote On/Off, OCP, OTP, OVP, UVLO ITE (Commercial) 8-DIP Module, 1/16 Brick - 35 W
VE-261-IW Vicor Corporation DC DC CONVERTER 12V 100W 유품4980 pcs 90% 1 - 8.33A 200V 12V - - - 3 kV - - VE-261 Bulk Through Hole VE-200™ (100W) -40°C ~ 85°C 4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm) 400V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 100 W
AL60A-300L-240F03 Artesyn Embedded Power DC DC CONVERTER 24V 120W 유품3700 pcs - 1 - 3A 180V 24V - - - - - - - - Through Hole AL60A (120W) - 2.40' L x 2.30' W x 0.50' H (61.0mm x 58.4mm x 12.7mm) 400V Isolated Module Remote On/Off, OTP, OVP ITE (Commercial) Module - 120 W
AXH010A0X-SR ABB Power Electronics Inc. DC DC CONVERTER 0.7525-3.63V 36W 유품3710 pcs 95% 1 Enable, Active High 10A 3V 0.7525 ~ 3.63V - - - - - - - Tape & Reel (TR) Through Hole Austin Lynx™ -40°C ~ 85°C 2.00" L x 0.32" W x 0.50" H (50.8mm x 8.1mm x 12.7mm) 5.5V Non-Isolated PoL Module Remote On/Off, OCP, OTP, UVLO ITE (Commercial) 11-SIP Module - 36 W
VE-2T0-IV Vicor Corporation DC DC CONVERTER 5V 150W 유품4620 pcs 90% 1 - 30A 66V 5V - - - 3 kV - - VE-2T0 Bulk Through Hole VE-200™ (150W) -40°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 160V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 150 W
VE-233-MW Vicor Corporation DC DC CONVERTER 24V 100W 유품4110 pcs 90% 1 - 4.17A 42V 24V - - - 3 kV - - VE-233 Bulk Through Hole VE-200™ (100W) -55°C ~ 85°C 4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm) 60V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 100 W
LTM8057MPY#PBF Linear Technology LTM8057 - 3.1VIN to 31VIN Isolat 유품4090 pcs - 1 - 440mA 3.1V 2.5 ~ 12V - - - 3 kV - 60950-1 - Bulk Surface Mount µModule® -55°C ~ 125°C 0.44" L x 0.35" W x 0.20" H (11.3mm x 9.0mm x 5.1mm) 31V Isolated Module Adjustable Output ITE (Commercial) 38-BBGA 38-BGA (11.25x9) -
VE-J61-CY Vicor Corporation DC DC CONVERTER 12V 50W 유품109 pcs 90% 1 - 4.17A 200V 12V - - - 3 kV - - VE-J61 Bulk Through Hole VE-J00™ (50W) -25°C ~ 100°C 2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm) 400V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 50 W
PP6-24-5 TDK-Lambda Americas Inc DC DC CONVERTER 5V 6W 유품3690 pcs - 1 - 1.2A 18V 5V - - - - - - - - Through Hole PP (6W) -20°C ~ 71°C (With Derating) 1.85" L x 1.65" W x 0.31" H (47.0mm x 42.0mm x 8.0mm) 36V Isolated Module Remote On/Off, OVP ITE (Commercial) 4-DIP Module - 6 W
VI-B1P-EV Vicor Corporation DC DC CONVERTER 13.8V 150W 유품5110 pcs 88% 1 - 10.87A 21V 13.8V - - - 3 kV - - VI-B1P Bulk Through Hole VI-200™ (150W) -10°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 32V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 150 W
VE-2W4-CW Vicor Corporation DC DC CONVERTER 48V 100W 유품4270 pcs 90% 1 - 2.08A 18V 48V - - - 3 kV - - VE-2W4 Bulk Through Hole VE-200™ (100W) -25°C ~ 85°C 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm) 36V Isolated Module OCP, OTP, OVP, SCP ITE (Commercial) Full Brick - 100 W
VE-J6Z-IY Vicor Corporation DC DC CONVERTER 2V 20W 유품4800 pcs 90% 1 - 10A 200V 2V - - - 3 kV - - VE-J6Z Bulk Through Hole VE-J00™ (50W) -40°C ~ 100°C 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm) 400V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 20 W
VE-J62-IZ Vicor Corporation DC DC CONVERTER 15V 25W 유품4050 pcs 90% 1 - 1.67A 200V 15V - - - 3 kV - - VE-J62 Bulk Through Hole VE-J00™ (25W) -40°C ~ 100°C 2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm) 400V Isolated Module OCP, SCP ITE (Commercial) Half Brick - 25 W
PTH03010YAZ Texas Instruments DC DC CONVERTER 0.55-1.8V 유품4110 pcs 88% 1 Enable, Active High 15A 2.95V 0.55 ~ 1.8V - - - - - - PTH03 Tray Surface Mount PTH03010Y -40°C ~ 85°C 1.37" L x 0.62" W x 0.38" H (34.8mm x 15.8mm x 9.6mm) 3.65V Non-Isolated PoL Module Remote On/Off, OCP, UVLO ITE (Commercial) 10-SMD Module - -
LW015F4 ABB Power Electronics Inc. DC DC CONVERTER 3.3V 15W 유품4120 pcs 79% 1 Enable, Active High 3A 36V 3.3V - - - 1.5 kV - - - Bulk Through Hole LW015 (15W) -40°C ~ 105°C 2.00' L x 1.00' W x 0.40' H (50.8mm x 25.4mm x 10.2mm) 75V Isolated Module Remote On/Off, OCP, OVP, UVLO ITE (Commercial) 6-DIP Module - 15 W
1...162163164165166167168...233
0 RFQ
쇼핑 카트 (0 Items)
비어 있습니다.
목록을 비교하십시오 (0 Items)
비어 있습니다.
피드백

귀하의 의견이 중요합니다!Allelco에서는 사용자 경험을 소중히 여기며 지속적으로 개선하기 위해 노력합니다.
피드백 양식을 통해 귀하의 의견을 공유하십시오. 즉시 응답하겠습니다.
Allelco을 선택해 주셔서 감사합니다.

주제
이메일
메모/주석
인증 코드
파일을 업로드하려면 드래그 또는 클릭하십시오
파일 업로드
유형 : .xls, .xlsx, .doc, .docx, .jpg, .png 및 .pdf.
최대 파일 크기 : 10MB