MIC5209-3.0YS Price & Stock

Hide
Manufacturer
Integrated Circuits (ICs) > PMIC - Voltage Regulators - Linear
IC REG LDO 3V 0.5A SOT223
Specifications
Part Status Active
Regulator Topology Positive Fixed
Voltage - Output 3V
Current - Output 500mA
Voltage - Dropout (Typical) 0.35V @ 500mA
Number of Regulators 1
Voltage - Input Up to 16V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Supplier Device Package SOT-223
Hide
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Micrel, Inc. Linear Voltage Regulator IC Positive Fixed 1 Output 3V 500mA SOT-223 327
Inquiry
MIC5209-3.0YS TR Micrel, Inc. Linear Voltage Regulator IC Positive Fixed 1 Output 3V 500mA SOT-223 204
Inquiry
MIC5209-3.0YS price|NAC Semi
NAC Semi
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS
sku #: MCHP00000021764
MICROCHIP 500mA 1% Low Noise LDO - Package: 3 SOT-223 - TUBE; MOQ:312 2262
1:  $1.42
Buy
MIC5209-3.0YS-TR
sku #: MCHP00000021765
MICROCHIP 500mA 1% Low Noise LDO - Package: 3 SOT-223 - T/R; MOQ:2500 5000
1:  $1.42
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL NEW ; DC:2011 92
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Micrel MIC5209 - 500mA LOW-NOISE LDO Regulator 20533
1-24:  $1.34
25-99:  $1.31
100-499:  $1.26
500-999:  $1.21
1000+:  $1.14
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology Tube 80
Inquiry
MIC5209-3.0YS-TR Microchip Technology Tape & Reel (TR) in stock
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Roving Networks / Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 10000
1:  $1.920
25:  $1.598
Inquiry
MIC5209-3.0YS-TR Roving Networks / Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 10000
1:  $1.450
2500:  $1.339
Inquiry
MIC5209-3.0YS price|Mouser
Mouser
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS
sku #: 998-MIC5209-3.0YS
Microchip Technology LDO Voltage Regulators 500mA 1% Low Noise LDO
LDO Voltage Regulators
425 In Stock
1:  $2.46
25:  $2.05
78:  $1.86
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LINEAR 3V 500MA SOT223 358
Inquiry
MIC5209-3.0YS price|LCSC
LCSC
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Tech 75dB@(120Hz) 500mA null 3V Positive electrode 16V SOT-223-3 Linear Voltage Regulators (LDO) ROHS 7
1:  $1.727
10:  $1.525
30:  $1.401
100:  $1.235
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip
Inquiry
MIC5209-3.0YS-TR Microchip
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Roving Networks / Microchip Technology TO-261-4, TO-261AA 2000
Inquiry
MIC5209-3.0YS-TR Roving Networks / Microchip Technology TO-261-4, TO-261AA 2000
Inquiry
MIC5209-3.0YS price|Allelco Limited
Allelco Limited
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS-TR Microchip IC REG LINEAR 3V 500MA SOT223-3
Integrated Circuits (ICs) > PMIC - Voltage Regulators - Linear
67560
Inquiry
MIC5209-3.0YS price| Lvy Electronics
Lvy Electronics
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS 2000
Inquiry
MIC5209-3.0YS Microchip Technology 2000
Inquiry
MIC5209-3.0YS-TR 2000
Inquiry
MIC5209-3.0YS-TR Microchip Technology 2000
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS
sku #: 1610-MIC5209-3.0YS
Microchip Technology LDO Regulator Pos 3V 0.5A 4-Pin(3+Tab) SOT-223 274
1:  $2.460
10:  $2.321
100:  $2.189
500:  $2.065
1000:  $1.949
Inquiry
MIC5209-3.0YS-TR
sku #: 1610-MIC5209-3.0YS-TR
Microchip Technology IC REG LINEAR 3V 500MA SOT223 167
1:  $2.460
10:  $2.321
100:  $2.189
500:  $2.065
1000:  $1.949
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology 399
$2.47
Inquiry
MIC5209-3.0YS-TR Microchip Technology 35000
$1.8656
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LINEAR 3V 500MA SOT223
PMIC - Voltage Regulators - Linear
6516
Buy
MIC5209-3.0YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223
PMIC - Voltage Regulators - Linear
7146
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology LDO 500mA 1% Low Noise LDO 3000
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LDO 3V 0.5A SOT223
PMIC - Voltage Regulators - Linear
In-Stock
Inquiry
MIC5209-3.0YS-TR Microchip Technology IC REG LDO 3V 0.5A SOT223
PMIC - Voltage Regulators - Linear
In-Stock
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Roving Networks / Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 10000
1:  $1.920
25:  $1.598
Buy
MIC5209-3.0YS-TR Roving Networks / Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 10000
1:  $1.450
2500:  $1.339
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology MIC5209 Tube Surface Mount Over Current Over Temperature Reverse Polarity voltage regulator linear 350mV 6.5mm 500mA -40C~125C 5957
1:  $1.367
10:  $1.252
100:  $1.149
500:  $1.077
Inquiry
MIC5209-3.0YS-TR Microchip Technology MIC5209 Tape & Reel (TR) Surface Mount Over Current Over Temperature Reverse Polarity voltage regulator linear 350mV 6.5mm 500mA -40C~125C 3480
1:  $1.636
10:  $1.552
100:  $1.466
500:  $1.325
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 3229
Inquiry
MIC5209-30YS Microchip Technology IC REG LINEAR 3V 500MA SOT223 4841
Inquiry
MIC5209-3.0YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 2361
Inquiry
MIC5209-30YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223 4999
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3-0YS Microchip Technology 500MA LOW-NOISE LDO REGULATOR 19349
$0.984
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology Linear Voltage Regulator IC Positive Fixed 1 Output 500mA SOT-223-3 20945
Inquiry
MIC5209-3.0YS-TR Microchip Technology Linear Voltage Regulator IC Positive Fixed 1 Output 500mA SOT-223-3 7881
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology 5845
Inquiry
MIC5209-3.0YS-TR Microchip Technology 9348
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology Available, Contact us 234
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS 277
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 ; DC:21+ ; SOT-223-3 400
Inquiry
MIC5209-3.0YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 ; DC:21+ ; SOT-223-3 100
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology 174
Inquiry
MIC5209-3.0YS Microchip Technology / Micrel 712
Inquiry
MIC5209-3.0YS-TR Microchip Technology 1000
Inquiry
MIC5209-3.0YS-TR Microchip Technology / Micrel 1000
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS-TR Microchip New and Original 20970
1:  $1.339
10:  $1.232
100:  $1.125
500:  $1.018
1000:  $0.911
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LINEAR 3V 500MA SOT223 353
Buy
MIC5209-3.0YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223 65366
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology Inc LDO Regulator Pos 3V 0.5A 4-Pin(3+Tab) SOT-223 Tube 1
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology Linear Voltage Regulator IC Positive Fixed 1 Output 500mA SOT-223-3
Inquiry
MIC5209-3.0YS-TR Microchip Technology Linear Voltage Regulator IC Positive Fixed 1 Output 500mA SOT-223-3
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology Brand new and original/respond online to quote. 13875
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 13564
Inquiry
MIC5209-3.0YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 5148
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LINEAR 3V 500MA SOT223 362
Inquiry
MIC5209-3.0YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223 12000
Inquiry
MIC5209-3.0YS price|Win Source
Win Source
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology 500mA Low-Noise LDO Regulator | IC REG LINEAR 3V 500MA SOT223 6000
35:  $1.627
Buy
MIC5209-3.0YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 3640
30:  $1.904
Buy
MIC5209-3.0YS price|Direct Components
Direct Components
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL BUY DIRECT----> 21414
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Micrel IC REG LDO 3V 0.5A SOT223 15000
Inquiry
MIC5209-3.0YS TR Micrel IC REG LDO 3V 0.5A SOT223 15000
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 ; DC:21+ ; SOT-223-3 425
Inquiry
MIC5209-3.0YS MICREL DC:19+PBF ; SOT-223 119
Inquiry
MIC5209-3.0YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 ; DC:21+ ; SOT-223-3 125
Inquiry
MIC5209-3.0YS-TR MICREL DC:19+P ; SOT-223 2494
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology 100% new and original in stock
Inquiry
MIC5209-3.0YS-TR Microchip Technology 100% new and original in stock
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC520930YS Micrel OEM/CM QUOTES ONLY | NO BROKERS 539
Inquiry
MIC5209-3.0YS price|Ersa Limited
Ersa Limited
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology 500MA LOW-NOISE LDO REGULATOR 20505
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Micrel / Microchip Technology IC REG LINEAR 3V 500MA SOT223 ; SOT-223
PMIC - Voltage Regulators - Linear
Available
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL SOT-223 ; DC:11+ 272
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology TO-261-4 TO-261AA New and original,In Stock 13297
Inquiry
MIC5209-3.0YS-TR Microchip Technology TO-261-4 TO-261AA New and original,In Stock 19360
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology DC:24+ ; IC REG LINEAR 3V 500MA SOT223-3 18605
Inquiry
MIC5209-3.0YS-TR Microchip Technology DC:24+ ; IC REG LINEAR 3V 500MA SOT223-3 10316
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL IN STOCK 4325
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL/ SOT223 ; DC:05+ 4325
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS-TR Microchip Technology MIC5209 Tape & Reel (TR) Surface Mount Over Current Over Temperature Reverse Polarity voltage regulator linear 350mV 6.5mm 500mA -40C~125C 4008
1:  $1.809
10:  $1.485
100:  $1.438
500:  $1.392
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology / Micrel Check alternative solution with competitive price 124237
$0.894
Inquiry
MIC5209-3.0YS-TR Microchip Technology / Micrel Check alternative solution with competitive price 54856
$2.755
Inquiry
MIC5209-3.0YS price|Ample Chip
Ample Chip
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Roving Networks / Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 57291
Inquiry
MIC5209-3.0YS-TR Roving Networks / Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 75862
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 3040
Inquiry
MIC5209-3.0YS Microchip Technology 500MA LOW-NOISE LDO REGULATOR 2124
Inquiry
MIC5209-3.0YS-TR Microchip Technology IC REG LINEAR 3V 500MA SOT223-3 3040
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL IN STOCK Immediate delivery 4325
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology In Stock
Inquiry
MIC5209-3.0YS MICREL In Stock
Inquiry
MIC5209-3.0YS-TR Microchip Technology In Stock
Inquiry
MIC5209-3.0YS price|Ariat Technology
Ariat Technology
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Micrel / Microchip Technology IC REG LDO 3V 0.5A SOT223
PMIC - Voltage Regulators - Linear
2640
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Micrel / Microchip Technology IC REG LINEAR 3V 500MA SOT223
PMIC - Voltage Regulators - Linear
4575
10:  $5.42
100:  $4.39
1000:  $4.39
2500:  $4.39
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS
sku #: MIC5209-3.0YS
MFG 383
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL IN STOCK Immediate delivery 3725
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL IN STOCK Immediate delivery 2325
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MCC Electronic Distribution since 1988. ERAI Certified supplier. ; DC:2016-47 234
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL Original stock,24-hour delivery 1363
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICROCHIP New and Original 2250
1:  $0.600
10:  $0.540
100:  $0.510
1000:  $0.480
10000:  $0.450
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology / Micrel LDO Voltage Regulators 500mA 1% Low Noise LDO(Lead Free) in stock
Inquiry
MIC5209-3.0YS Microchip Technology / Micrel LDO Voltage Regulators 500mA 1% Low Noise LDO in stock
Inquiry
MIC5209-3.0YS-TR Microchip Technology / Micrel IC REG LINEAR 3V 500MA SOT223 in stock
Inquiry
MIC5209-3.0YS-TR Microchip Technology / Micrel LDO Voltage Regulators 500mA 1% Low Noise LDO in stock
Inquiry
MIC5209-3.0YS TR Microchip Technology Inc LDO Voltage Regulators 500mA 1% Low Noise LDO(Lead Free) in stock
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL OEMs, CMs ONLY (NO BROKERS) 2000
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology / Micrel LDO Voltage Regulators 500mA 1% Low Noise LDO 294
$2.24
Inquiry
MIC5209-3.0YS-TR Microchip Technology / Micrel LDO Voltage Regulators 500mA 1% Low Noise LDO in stock
$1.7
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Micrel / Microchip Technology IC REG LINEAR 3V 500MA SOT223 3000
Buy
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology / Micrel IC REG LDO 3V 0.5A SOT223 0
Inquiry
MIC5209-30YS MIC DC:11+ ; SOT-223 166
Inquiry
MIC5209-3.0YS-TR Microchip Technology / Micrel IC REG LDO 3V 0.5A SOT223 0
Inquiry
MIC5209-3.0YS price|Depu Electronics
Depu Electronics
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS MICREL 2018+_SOT223_new and original 15000
Inquiry
MIC5209-30YS MICREL 2018+_SOT-223_new and original 2500
Inquiry
MIC5209-3.0YS TR MICREL 2019+_SOT-223_new and original 2500
Inquiry
MIC5209-3.0YS-TR MICREL 2018+_SOT223_new and original 2500
Inquiry
Part # Manufacturer Description Stock Price Buy
MIC52093.0YS
sku #: MIC520930YS
MICREL 679
Inquiry
MIC5209-3.0YS price|OnlineComponents
OnlineComponents
Certificates
Part # Manufacturer Description Stock Price Buy
MIC5209-3.0YS Microchip Technology LDO Regulator Pos 3V 0.5A 4-Pin(3+Tab) SOT-223 Tube 0
1:  $1.33
79:  $1.28
157:  $1.26
313:  $1.21
547:  $1.19
1015:  $1.15
2575:  $1.13
5071:  $1.11
Buy
MIC5209-3.0YS-TR Microchip Technology LDO Regulator Pos 3V 0.5A 4-Pin(3+Tab) SOT-223 T/R 0
1:  $2.39
626:  $1.47
1251:  $1.17
1876:  $1.14
Buy
See Also:
MIC5209-3.0YM MIC5209-5.0YS MIC5200-3.0YS MIC5209-3.3YS MIC5209-3.6YS MIC5239-3.0YS MIC5201-3.0YS MIC5209-3.0YU MIC5209-3.0BS MIC5200-3.0YM MIC5209-5.0WS MIC5200-3.0BS MIC5209-33YS MIC5239-3.0BS MIC5209-3.6BS MIC5209-3.3WS MIC5203-3.0YM MIC5201-30YS MIC5209-3.6YM MIC5209-5.0YU MIC5239-3.3YS MIC5209-3.3BS MIC5209-3.3YU MIC5209-2.5YS MIC5200-3.3YS MIC5209-4.2YS MIC5209-3.0BM MIC5201-3.0BS MIC5209-5.0YM MIC5239-5.0YS MIC5201-5.0YS MIC5209-3.6YU MIC5201-3.3YS MIC5209-3.3YM MIC5202-3.0YM MIC5209-3.0BU MIC5209-50YS MIC5201-3.0YM MIC5200-5.0YS MIC5209-5.0BS MIC5209-2.5YM MIC5209-5.0BU MIC5239-1.5YS MIC5239-1.8YS MIC5295-3.0YD MIC5205-3.0YM5 MIC5200-3.3YM MIC5249-3.0YMM MIC5201-4.8YS More » MIC5202-3.3YM MIC5239-5.0YM MIC5239-3.3YM MIC5203-3.0YM5 MIC5200-3.0BM MIC5202-5.0YM MIC5201-3.0YMM MIC5201-5.0BS MIC5201-3.3BS MIC5209-2.5BS MIC5209-3.3BM MIC5200-5.0YM MIC5209-1.8YU MIC5219-3.0YMM MIC5201-3.3YM MIC5233-3.3YS MIC5200-3.3BS MIC5239-3.0YMM MIC5200-4.8YS MIC5200-5.0BS MIC5201-5.0YM MIC5239-3.OY MIC5209-5.0 MIC5236-3.0YM MIC5209-3.3B MIC5209-5.0BM MIC5209-3.6BM MIC5209-1.8YM MIC5209-2.5YU MIC5201-3.0YSTR MIC5239-2.5YS MIC5206-3.0YM5 MIC5219-3.3Y MIC5219-3.0YML MIC5239-3.0BM MIC5207-3.3YZ MIC5209-4.2BS MIC5207-3.0YM5 MIC5202-3.0BM MIC5209-1.8WS MIC5201-3.0BM MIC5200-3.0YSTR MIC5209-5.0YSTR MIC5201-33YS MIC5209-3.0YS-TR MIC5239-5.0BS MIC5239-3.3BS MIC5209-3.3BU MIC5209-3.3 MIC5206-3.0YMM MIC5209-2.5WS MIC5259-3.0YD5 MIC5201-50YS MIC5219-5.0Y MIC5249-3.3Y MIC5219-3.0YM5 MIC5259-3.0YML MIC5203-3.0YM4 MIC5209-3.0BSTR MIC5201-30BS MIC5236-3.0Y MIC5219-3.0 MIC5205-3.0 MIC5209-50BS MIC5200-30YM MIC5206-5.0Y MIC5209-3.6BU MIC5209-3.3YSTR MIC5202-3.3 MIC5209-1.8U