LM4670ITL Texas Instruments IC AMP CLASS D MONO 3W 9USMD
In magazzino8530 pcs
9-DSBGA
Tape & Reel (TR)
LM4670
3W x 1 @ 4Ohm
2.4V ~ 5.5V
9-WFBGA, DSBGA
Depop, Differential Inputs, Short-Circuit Protection, Shutdown
1-Channel (Mono)
Class D
Surface Mount
-40°C ~ 85°C (TA)
Boomer®
RFQ
SSM2301RMZ-REEL7 Analog Devices Inc. IC AMP AUDIO 1.52W MONO D 8MSOP
In magazzino6280 pcs
8-MSOP
Cut Tape (CT)
SSM2301
1.52W x 1 @ 8Ohm
2.5V ~ 5V
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
1-Channel (Mono)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
SSM2166SZ-REEL Analog Devices Inc. IC AMP CLASS AB MONO 14SOIC
In magazzino8052 pcs
14-SOIC
Tape & Reel (TR)
SSM2166
-
4.5V ~ 5.5V
14-SOIC (0.154", 3.90mm Width)
Microphone
1-Channel (Mono)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
MAX9715ETE+ Analog Devices Inc./Maxim Integrated IC AMP CLASS D STER 2.8W 16TQFN
In magazzino24188 pcs
16-TQFN (5x5)
Tray
MAX9715
2.8W x 2 @ 4Ohm
4.5V ~ 5.5V
16-WQFN Exposed Pad
Depop, Short-Circuit and Thermal Protection, Shutdown
2-Channel (Stereo)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
NCP2811BMTTXG onsemi IC AMP STEREO HEADPHONE 12WQFN
In magazzino8990 pcs
12-WQFN (3x3)
Tape & Reel (TR)
NCP2811
110mW x 2 @ 16Ohm
2.7V ~ 5V
12-VFQFN Exposed Pad
Depop, Short-Circuit and Thermal Protection, Shutdown
Headphones, 2-Channel (Stereo)
Class AB
Surface Mount
-
-
RFQ
TAS5756MDCAR Texas Instruments IC AMP D MONO/STER 56W 48HTSSOP
In magazzino10913 pcs
48-HTSSOP
Tape & Reel (TR)
TAS5756
56W x 1 @ 4Ohm; 28W x 2 @ 4Ohm
2.9V ~ 3.63V
48-TFSOP (0.240", 6.10mm Width) Exposed Pad
Short-Circuit Protection
1-Channel (Mono) or 2-Channel (Stereo)
Class D
Surface Mount
-25°C ~ 85°C (TA)
PurePath™
RFQ
NJM2073D Nisshinbo Micro Devices Inc. IC AMP CLSS AB MONO/STER 2W 8DIP
In magazzino16510 pcs
8-DIP
Tube
-
2W x 1 @ 16Ohm; 270mW x 2 @ 8Ohm
1.8V ~ 15V
8-DIP (0.300", 7.62mm)
Depop
1-Channel (Mono) or 2-Channel (Stereo)
Class AB
Through Hole
-40°C ~ 85°C (TA)
-
RFQ
MAX4411ETP+ Analog Devices Inc./Maxim Integrated IC AMP CLASS AB STER 80MW 20TQFN
In magazzino38752 pcs
20-TQFN (4x4)
Tray
MAX4411
80mW x 2 @ 16Ohm
1.8V ~ 3.6V
20-WFQFN Exposed Pad
Depop, Short-Circuit and Thermal Protection, Shutdown
Headphones, 2-Channel (Stereo)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
DirectDrive®
RFQ
TPA3111D1PWPR Texas Instruments IC AMP CLASS D MONO 10W 28HTSSOP
In magazzino34780 pcs
28-HTSSOP
Tape & Reel (TR)
TPA3111
10W x 1 @ 8Ohm
8V ~ 26V
28-PowerTSSOP (0.173", 4.40mm Width)
Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
1-Channel (Mono)
Class D
Surface Mount
-40°C ~ 85°C (TA)
SpeakerGuard™
RFQ
MAX9701ETG+ Analog Devices Inc./Maxim Integrated IC AMP CLASS D STER 2.2W 24TQFN
In magazzino8280 pcs
24-TQFN (4x4)
Tube
MAX9701
2.2W x 2 @ 4Ohm
2.5V ~ 5.5V
24-WFQFN Exposed Pad
Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
2-Channel (Stereo)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
MP7722DF-LF-Z Monolithic Power Systems Inc. IC AMP CLASS D STER 20W 20TSSOPF
In magazzino37741 pcs
20-TSSOPF-EP
Tape & Reel (TR)
MP7722
20W x 2 @ 4Ohm
-
20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Depop, Mute, Short-Circuit and Thermal Protection, Shutdown
2-Channel (Stereo)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
MP1720DQ-216-LF-Z Monolithic Power Systems Inc. IC AMP CLASS D MONO 2.78W 10QFN
In magazzino93370 pcs
10-QFN (3x3)
Tape & Reel (TR)
MP1720
2.78W x 1 @ 4Ohm
2.5V ~ 5.5V
10-VFDFN Exposed Pad
Depop, Short-Circuit and Thermal Protection
1-Channel (Mono)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TPA2051D3YFFR Texas Instruments IC AMP CLASS D MONO 2.9W 25DSBGA
In magazzino27588 pcs
25-DSBGA
Tape & Reel (TR)
TPA2051
2.9W x 1 @ 4Ohm; 25mW x 2 @ 16Ohm
2.5V ~ 5.5V
25-UFBGA, DSBGA
Depop, I²C, Input Multiplexer, Short-Circuit and Thermal Protection, Shutdown, Volume Control
1-Channel (Mono) with Stereo Headphones
Class D
Surface Mount
-40°C ~ 85°C (TA)
DirectPath™, SpeakerGuard™
RFQ
MAX98358ETE+T Analog Devices Inc./Maxim Integrated IC AMP CLASS D MONO 3.2W 16TQFN
In magazzino17764 pcs
16-TQFN (3x3)
Tape & Reel (TR)
MAX98358
3.2W x 1 @ 4Ohm
2.5V ~ 5.5V
16-WFQFN Exposed Pad
Depop, Short-Circuit and Thermal Protection
1-Channel (Mono)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
DRV603PWR Texas Instruments IC AMP CLASS AB STEREO 14TSSOP
In magazzino67620 pcs
14-TSSOP
Tape & Reel (TR)
DRV603
-
3V ~ 5.5V
14-TSSOP (0.173", 4.40mm Width)
Depop, Differential Inputs, Short-Circuit Protection, Shutdown
2-Channel (Stereo)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
DirectPath™
RFQ
SSM2319CBZ-REEL7 Analog Devices Inc. IC AMP CLASS D MONO 3.7W 9WLCSP
In magazzino35051 pcs
9-WLCSP (1.46x1.46)
Tape & Reel (TR)
SSM2319
3.7W x 1 @ 3Ohm
2.5V ~ 5.5V
9-WFBGA, WLCSP
Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
1-Channel (Mono)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TPA4411RTJR Texas Instruments IC AMP CLASS AB STER 100MW 20QFN
In magazzino72090 pcs
20-QFN (4x4)
Tape & Reel (TR)
TPA4411
100mW x 2 @ 16Ohm
1.8V ~ 4.5V
20-WFQFN Exposed Pad
Depop, Short-Circuit and Thermal Protection, Shutdown
Headphones, 2-Channel (Stereo)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
DirectPath™
RFQ
TPA3132D2RHBR Texas Instruments IC AMP CLASS D STEREO 42W 32VQFN
In magazzino32298 pcs
32-VQFN (5x5)
Tape & Reel (TR)
TPA3132
42W x 2 @ 4Ohm, 25W x 2 @ 8Ohm
4.5V ~ 26V
32-VFQFN Exposed Pad
Mute, Short-Circuit and Thermal Protection, Shutdown
2-Channel (Stereo)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TAS5612APHD Texas Instruments IC AMP D MONO/STER 250W 64HTQFP
In magazzino3470 pcs
64-HTQFP (14x14)
Tray
TAS5612
250W x 1 @ 2Ohm; 165W x 2 @ 3Ohm
16V ~ 34.1V
64-TQFP Exposed Pad
Depop, Digital Inputs, Short-Circuit and Thermal Protection, Shutdown
1-Channel (Mono) or 2-Channel (Stereo)
Class D
Surface Mount
0°C ~ 70°C (TA)
PurePath™ HD
RFQ
SSM2211SZ-REEL Analog Devices Inc. IC AMP CLASS AB MONO 1.5W 8SOIC
In magazzino44810 pcs
8-SOIC
Tape & Reel (TR)
SSM2211
1.5W x 1 @ 4Ohm
2.7V ~ 5.5V
8-SOIC (0.154", 3.90mm Width)
Differential Inputs, Shutdown
1-Channel (Mono)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
BD5423EFS-E2 Rohm Semiconductor IC AMP CLASS D STER 17W 44HTSSOP
In magazzino5253 pcs
44-HTSSOP-A
Tape & Reel (TR)
BD5423
17W x 2 @ 4Ohm
10V ~ 16.5V
44-VSOP (0.295", 7.50mm Width) Exposed Pad
Depop, Mute, Short-Circuit and Thermal Protection
2-Channel (Stereo)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
AD1990ACPZ Analog Devices Inc. IC AMP AUDIO PWR 5W STER 64LFCSP
In magazzino3711 pcs
64-LFCSP-VQ (9x9)
Tray
AD1990
5W x 2 @ 4Ohm
4.5V ~ 5.5V
64-VFQFN Exposed Pad, CSP
Depop, Mute, Short-Circuit and Thermal Protection
2-Channel (Stereo)
Class D
Surface Mount
-
-
RFQ
MA12040XUMA1 Infineon Technologies IC AMP CLASS D STEREO 40W 64QFN
In magazzino12849 pcs
PG-VQFN-64-6
Tape & Reel (TR)
MA12040
40W x 2 @ 4Ohm
4V ~ 18V
64-VFQFN Exposed Pad
Digital Inputs, I2C, Mute, Short-Circuit and Thermal Protection, Undervoltage, Volume Control
2-Channel (Stereo)
Class D
Surface Mount
0°C ~ 85°C (TA)
MERUS™
RFQ
TDA2003V STMicroelectronics IC AMP AB MONO 12W 5PENTAWATT
In magazzino14250 pcs
5-PENTAWATT
Tube
TDA2003
12W x 1 @ 1.6Ohm
8V ~ 18V
Pentawatt-5 (Vertical, Bent and Staggered Leads)
Short-Circuit and Thermal Protection
1-Channel (Mono)
Class AB
Through Hole
-40°C ~ 150°C (TJ)
-
RFQ
FAN7040MX onsemi IC AMP CLASS AB MONO 3.5W 20SOIC
In magazzino4450 pcs
20-SOIC
Tape & Reel (TR)
FAN7040
3.5W x 1 @ 16Ohm
4.5V ~ 18V
20-SOIC (0.295", 7.50mm Width)
Depop, Mute, Short-Circuit and Thermal Protection, Volume Control
1-Channel (Mono)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TPA6133A2RTJR Texas Instruments IC AMP CLASS AB STER 142MW 20QFN
In magazzino60400 pcs
20-QFN (4x4)
Tape & Reel (TR)
TPA6133
142mW x 2 @ 16Ohm
2.5V ~ 5.5V
20-WFQFN Exposed Pad
Depop, Differential Inputs
2-Channel (Stereo)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TPA2017D2RTJR Texas Instruments IC AMP CLASS D STEREO 2.8W 20QFN
In magazzino47570 pcs
20-QFN (4x4)
Tape & Reel (TR)
TPA2017
2.8W x 2 @ 4Ohm
2.5V ~ 5.5V
20-WFQFN Exposed Pad
Differential Inputs, Short-Circuit and Thermal Protection, Shutdown, Volume Control
2-Channel (Stereo)
Class D
Surface Mount
-40°C ~ 85°C (TA)
SmartGain™
RFQ
MAX4468EKA+T Analog Devices Inc./Maxim Integrated IC AMP CLASS AB MONO SOT23-8
In magazzino62200 pcs
SOT-23-8
Tape & Reel (TR)
MAX4468
-
2.4V ~ 5.5V
SOT-23-8
Microphone, Shutdown
1-Channel (Mono)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TPA741DGN Texas Instruments IC AMP CLASS AB MONO 700MW 8MSOP
In magazzino31960 pcs
8-HVSSOP
Tube
TPA741
700mW x 1 @ 8Ohm
2.5V ~ 5.5V
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
1-Channel (Mono)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TDA7491LP13TR STMicroelectronics IC AMP CLSS D STER 5W POWERSSO36
In magazzino11541 pcs
PowerSSO-36 EPD
Tape & Reel (TR)
TDA7491
5W x 2 @ 8Ohm
5V ~ 14V
36-PowerBFSOP (0.295", 7.50mm Width)
Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Standby
2-Channel (Stereo)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
SSM2250RUZ Analog Devices Inc. IC AMP AUDIO PWR 1.5W AB 14TSSOP
In magazzino25787 pcs
14-TSSOP
Tube
SSM2250
1.5W x 1 @ 8Ohm; 90mW x 2 @ 32Ohm
2.7V ~ 6V
14-TSSOP (0.173", 4.40mm Width)
Depop, Shutdown
1-Channel (Mono) with Stereo Headphones
Class AB
Surface Mount
-
SoundMAX®
RFQ
MAX9724BETC+T Analog Devices Inc./Maxim Integrated IC AMP CLASS AB STER 63MW 12TQFN
In magazzino41450 pcs
12-TQFN (3x3)
Tape & Reel (TR)
MAX9724
63mW x 2 @ 32Ohm
2.7V ~ 5.5V
12-WFQFN Exposed Pad
Depop, Short-Circuit and Thermal Protection, Shutdown
Headphones, 2-Channel (Stereo)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
DirectDrive®
RFQ
TPA3120D2PWPR Texas Instruments IC AMP CLASS D STER 25W 24HTSSOP
In magazzino9927 pcs
24-HTSSOP
Tape & Reel (TR)
TPA3120
25W x 2 @ 4Ohm
10V ~ 30V
24-PowerTSSOP (0.173", 4.40mm Width)
Depop, Mute, Short-Circuit and Thermal Protection, Shutdown
2-Channel (Stereo)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TPA0202PWPR Texas Instruments IC AMP AB STEREO 2.2W 24HTSSOP
In magazzino17447 pcs
24-HTSSOP
Tape & Reel (TR)
TPA0202
2.2W x 2 @ 3Ohm
3V ~ 5.5V
24-PowerTSSOP (0.173", 4.40mm Width)
Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection
2-Channel (Stereo) with Stereo Headphones
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
MAX97236EWA+T Analog Devices Inc./Maxim Integrated IC AMP CLASS H STEREO 35MW 25WLP
In magazzino15370 pcs
25-WLP (2.31x2.31)
Tape & Reel (TR)
MAX97236
35mW x 2 @ 16Ohm
1.62V ~ 1.98V
25-WFBGA, WLBGA
I²C, Microphone, Mute, Short-Circuit Protection, Volume Control
Headphones, 2-Channel (Stereo)
Class H
Surface Mount
-
DirectDrive®
RFQ
MAX9812LEXT+T Analog Devices Inc./Maxim Integrated IC AMP CLASS AB MONO SC70-6
In magazzino11140 pcs
SC-70-6
Tape & Reel (TR)
MAX9812
-
2.7V ~ 3.6V
6-TSSOP, SC-88, SOT-363
Microphone, Shutdown, Thermal Protection
1-Channel (Mono)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TDA7482 STMicroelectronics IC AMP D MONO 25W 15MULTIWATT
In magazzino10970 pcs
15-Multiwatt
Tube
TDA7482
25W x 1 @ 8Ohm
±10V ~ 25V
Multiwatt-15 (Vertical, Bent and Staggered Leads)
Mute, Short-Circuit and Thermal Protection, Standby
1-Channel (Mono)
Class D
Through Hole
0°C ~ 70°C (TA)
-
RFQ
TPA2016D2YZHR Texas Instruments IC AMP CLASS D STER 2.8W 16DSBGA
In magazzino35610 pcs
16-DSBGA (2.24x2.16)
Tape & Reel (TR)
TPA2016
2.8W x 2 @ 4Ohm
2.5V ~ 5.5V
16-UFBGA, DSBGA
Differential Inputs, I²C, Short-Circuit and Thermal Protection, Shutdown, Volume Control
2-Channel (Stereo)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
MAX97220AETE+T Analog Devices Inc./Maxim Integrated IC AMP CLSS AB STER 125MW 16TQFN
In magazzino46078 pcs
16-TQFN (3x3)
Tape & Reel (TR)
MAX97220
125mW x 2 @ 32Ohm
2.5V ~ 5.5V
16-WFQFN Exposed Pad
Depop, Differential Inputs, Shutdown
Headphones, 2-Channel (Stereo)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
DirectDrive®
RFQ
TPA2031D1YZFT Texas Instruments IC AMP CLASS D MONO 2.5W 9DSBGA
In magazzino33061 pcs
9-DSBGA
Tape & Reel (TR)
TPA2031
2.5W x 1 @ 4Ohm
2.5V ~ 5.5V
9-UFBGA, DSBGA
Depop, Differential Inputs, Shutdown, Thermal Protection
1-Channel (Mono)
Class D
Surface Mount
-40°C ~ 85°C (TA)
NanoFree™
RFQ
NJM2135M Nisshinbo Micro Devices Inc. IC AMP CLASS AB MONO 400MW 8DMP
In magazzino70800 pcs
8-DMP
Tube
NJM2135
400mW x 1 @ 100Ohm
2V ~ 16V
8-SOIC (0.209", 5.30mm Width)
Standby
1-Channel (Mono)
Class AB
Surface Mount
-20°C ~ 75°C (TA)
-
RFQ
MAX9820ETB+T Analog Devices Inc./Maxim Integrated IC AMP CLASS AB STER 95MW 10TDFN
In magazzino46810 pcs
10-TDFN (3x3)
Tape & Reel (TR)
MAX9820
95mW x 2 @ 32Ohm
2.7V ~ 5.5V
10-WFDFN Exposed Pad
Depop, Short-Circuit and Thermal Protection, Shutdown
Headphones, 2-Channel (Stereo)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
DirectDrive®
RFQ
SSM2301CPZ-REEL Analog Devices Inc. IC AMP CLASS D MONO 1.52W 8LFCSP
In magazzino17240 pcs
8-LFCSP-VD (3x3)
Tape & Reel (TR)
SSM2301
1.52W x 1 @ 8Ohm
2.5V ~ 5V
8-VFDFN Exposed Pad, CSP
Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
1-Channel (Mono)
Class D
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
MAX98307ETE+ Analog Devices Inc./Maxim Integrated IC AMP CLASS DG MONO 3.3W 16TQFN
In magazzino17760 pcs
16-TQFN (3x3)
Strip
MAX98307
3.3W x 1 @ 8Ohm
2.6V ~ 5.25V
16-WFQFN Exposed Pad
Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
1-Channel (Mono)
Class DG
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TDA7298V STMicroelectronics IC AMP AB MONO 28W 7HEPTAWATT
In magazzino4000 pcs
7-HEPTAWATT
Tube
TDA7298
28W x 1 @ 8Ohm
±6V ~ 22V
Heptawatt-7 (Vertical, Bent and Staggered Leads)
Mute, Short-Circuit and Thermal Protection, Standby
1-Channel (Mono)
Class AB
Through Hole
0°C ~ 70°C (TA)
-
RFQ
SSM2166S Analog Devices Inc. IC PREAMP AUDIO MONO MIC 14SOIC
In magazzino3810 pcs
14-SOIC
Tube
SSM2166
-
4.5V ~ 5.5V
14-SOIC (0.154", 3.90mm Width)
Microphone
1-Channel (Mono)
Class AB
Surface Mount
-
-
RFQ
TAS5414BTPHDQ1 Texas Instruments IC AMP CLASS D QUAD 150W 64HTQFP
In magazzino1998 pcs
64-HTQFP (14x14)
Tray
TAS5414
150W x 2 @ 2Ohm; 79W x 4 @ 4Ohm
6V ~ 24V
64-TQFP Exposed Pad
Depop, I²C, Mute, Short-Circuit and Thermal Protection, Shutdown
4-Channel (Quad)
Class D
Surface Mount
-40°C ~ 105°C (TA)
Automotive, AEC-Q100
RFQ
TPA0213DGQ Texas Instruments IC AMP CLASS AB MONO 2W 10MSOP
In magazzino21991 pcs
10-HVSSOP
Tube
TPA0213
2W x 1 @ 4Ohm; 90mW x 2 @ 32Ohm
2.5V ~ 5.5V
10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
Depop, Input Multiplexer, Shutdown
1-Channel (Mono) with Stereo Headphones
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
TAS5768MDCAR Texas Instruments IC AMP CLASS D STEREO 48HTSSOP
In magazzino12537 pcs
48-HTSSOP
Tape & Reel (TR)
TAS5768
-
3V ~ 3.6V
48-TFSOP (0.240", 6.10mm Width) Exposed Pad
Depop, Short-Circuit Protection
2-Channel (Stereo)
Class D
Surface Mount
-25°C ~ 85°C (TA)
PurePath™
RFQ
NJM2073M-TE2 Nisshinbo Micro Devices Inc. IC PWR AMP BIPO DUAL LV 8DMP
In magazzino16260 pcs
8-DMP
Tape & Reel (TR)
-
2W x 1 @ 16Ohm, 270mW x 2 @ 8Ohm
1.8V ~ 15V
8-SOIC (0.197", 5.00mm Width)
-
1-Channel (Mono) or 2-Channel (Stereo)
Class AB
Surface Mount
-40°C ~ 85°C (TA)
-
RFQ
