LK112M18TR
STMicroelectronics
IC REG LINEAR 1.8V 150MA SOT23-5
במלאי95270 pcs
250 µA
Positive
Enable
1.8V
-
1
150mA
-
55dB (400Hz)
Over Current, Over Temperature
LK112
Tape & Reel (TR)
-
-30°C ~ 125°C
Surface Mount
14V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
TPS79101DBVRQ1
Texas Instruments
IC REG LIN POS ADJ 100MA SOT23-6
במלאי37500 pcs
250 µA
Positive
Enable
1.2V
5.5V
1
100mA
-
-
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS79101
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
SOT-23-6
SOT-23-6
-
RFQ
RP111L071D-TR-Y
Nisshinbo Micro Devices Inc.
IC REG LIN 0.7V 500MA DFN1212-6
במלאי37710 pcs
125 µA
Positive
Enable
0.7V
-
1
500mA
0.88V @ 500mA
75dB ~ 70dB (1kHz ~ 10kHz)
Over Current, Over Temperature
RP111
Tape & Reel (TR)
RP111x
-40°C ~ 105°C (TA)
Surface Mount
5.25V
Fixed
6-XFDFN Exposed Pad
DFN1212-6
-
RFQ
LP2989IMX-3.0
Texas Instruments
IC REG LINEAR 3V 500MA 8SOIC
במלאי8120 pcs
175 µA
Positive
Enable
3V
-
1
500mA
0.65V @ 500mA
60dB (1kHz)
Over Current, Over Temperature, Short Circuit
LP2989
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
9 mA
RFQ
L4940D2T10-TR
STMicroelectronics
IC REG LINEAR 10V 1.5A D2PAK
במלאי8570 pcs
8 mA
Positive
-
10V
-
1
1.5A
0.9V @ 1.5A
62dB (120Hz)
Over Temperature, Reverse Polarity, Short Circuit
L4940
Tape & Reel (TR)
-
-40°C ~ 150°C
Surface Mount
17V
Fixed
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D2PAK
50 mA
RFQ
MC78L05ACD
Fairchild Semiconductor
IC REG LINEAR FIXED POS STD REG
במלאי7760 pcs
5.5 mA
Positive
-
5V
-
1
100mA
-
80dB (120Hz)
Over Temperature, Short Circuit
MC78L05
Bulk
-
-40°C ~ 125°C
Surface Mount
30V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
-
RFQ
AAT3218IJS-1.2-T1
Skyworks Solutions Inc.
IC REG LINEAR 1.2V 150MA 8SC70JW
במלאי168570 pcs
-
-
-
-
-
-
-
-
-
-
-
Cut Tape (CT)
*
-
-
-
-
-
-
-
RFQ
LF50ABDT-TRY
STMicroelectronics
IC REG LINEAR 5V 500MA DPAK
במלאי40600 pcs
2 mA
Positive
-
5V
-
1
500mA
1.3V @ 500mA
76dB ~ 60dB (120Hz ~ 10kHz)
Over Current, Over Temperature
LF50
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
12 mA
RFQ
LT3060EDC-1.8#TRMPBF
Analog Devices Inc.
IC REG LINEAR 1.8V 100MA 8DFN
במלאי11307 pcs
80 µA
Positive
Enable, Soft Start
1.8V
-
1
100mA
0.51V @ 100mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3060
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
45V
Fixed
8-WFDFN Exposed Pad
8-DFN (2x2)
4 mA
RFQ
NJM2877F3-18-TE1
Nisshinbo Micro Devices Inc.
IC REG LINEAR 1.8V 150MA SC88A
במלאי202490 pcs
180 µA
Positive
Enable
1.8V
-
1
150mA
-
75dB (1kHz)
Over Current, Over Temperature
NJM2877
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
9V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-88A
-
RFQ
NCP605MN25T2G
onsemi
IC REG LINEAR 2.5V 500MA 6DFN
במלאי11610 pcs
180 µA
Positive
Enable
2.5V
-
1
500mA
0.25V @ 500mA
-
Over Temperature, Short Circuit
NCP605
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
6-VDFN Exposed Pad
6-DFN (3x3.3)
-
RFQ
ADP3301ARZ-5
Analog Devices Inc.
IC REG LINEAR 5V 100MA 8SOIC
במלאי13596 pcs
300 µA
Positive
Error Flag, Shutdown
5V
-
1
100mA
0.2V @ 100mA
-
Over Temperature
ADP3301
Tube
anyCAP®
-20°C ~ 85°C (TA)
Surface Mount
12V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
2 mA
RFQ
AP7311-33WG-7
Diodes Incorporated
IC REG LINEAR 3.3V 150MA SOT25
במלאי277650 pcs
75 µA
Positive
Enable
3.3V
-
1
150mA
0.3V @ 150mA
65dB (100Hz)
Over Current, Over Temperature, Short Circuit
AP7311
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-25
85 µA
RFQ
TLV70028DDCT
Texas Instruments
IC REG LINEAR 2.8V 200MA SOT23-5
במלאי62630 pcs
55 µA
Positive
Enable
2.8V
-
1
200mA
0.25V @ 200mA
68dB (1kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TLV70028
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
SOT-23-THIN
270 µA
RFQ
TPS735285DRVT
Texas Instruments
IC REG LINEAR 2.85V 500MA 6WSON
במלאי34586 pcs
65 µA
Positive
Enable
2.85V
-
1
500mA
0.5V @ 500mA
66dB ~ 22dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS735285
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
6-WDFN Exposed Pad
6-WSON (2x2)
-
RFQ
TPS74401RGWR
Texas Instruments
IC REG LINEAR POS ADJ 3A 20VQFN
במלאי7980 pcs
-
Positive
Enable, Power Good, Soft Start
0.8V
3.6V
1
3A
0.24V @ 3A
73dB ~ 50dB (1kHz ~ 800kHz)
Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
TPS74401
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
20-VQFN Exposed Pad
20-VQFN (5x5)
-
RFQ
MPQ8904DD-AEC1-LF-Z
Monolithic Power Systems Inc.
IC REG LINEAR POS ADJ 500MA 8QFN
במלאי35140 pcs
200 µA
Positive
Enable, Power Good
0.5V
5V
1
500mA
0.45V @ 500mA
-
Over Current, Over Temperature
MPQ8904
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
6.5V
Adjustable
8-TFDFN Exposed Pad
8-QFN (2x3)
12 mA
RFQ
LD39020DTPU30R
STMicroelectronics
IC REG LINEAR 3V 200MA 4DFN
במלאי269930 pcs
40 µA
Positive
Enable
3V
-
1
200mA
0.35V @ 200mA
80dB ~ 55dB (1kHz ~ 100kHz)
Over Current, Over Temperature, Soft Start
LD39020
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-DFN (1x1)
-
RFQ
RH5RE33AA-T1-FE
Nisshinbo Micro Devices Inc.
IC REG LINEAR 3.3V 80MA SOT89-3
במלאי59750 pcs
3.3 µA
Positive
-
3.3V
-
1
80mA
-
-
Over Current, Short Circuit
RH5RE33
Tape & Reel (TR)
Rx5RE
-40°C ~ 85°C
Surface Mount
10V
Fixed
TO-243AA
SOT-89-3
-
RFQ
RP111L201D-TR
Nisshinbo Micro Devices Inc.
IC REG LINEAR 2V 500MA DFN1212-6
במלאי90020 pcs
125 µA
Positive
Enable
2V
-
1
500mA
0.41V @ 500mA
75dB (10kHz)
Over Current, Over Temperature
RP111
Tape & Reel (TR)
RP111x
-40°C ~ 85°C
Surface Mount
5.25V
Fixed
6-XFDFN Exposed Pad
DFN1212-6
-
RFQ
RP101K331D-TR
Nisshinbo Micro Devices Inc.
IC REG LIN 3.3V 300MA DFN1612-4
במלאי73880 pcs
25 µA
Positive
Enable
3.3V
-
1
300mA
0.23V @ 150mA
-
Over Current
RP101
Tape & Reel (TR)
RP101x
-40°C ~ 85°C
Surface Mount
5.25V
Fixed
4-UDFN Exposed Pad
DFN(PL)1612-4
-
RFQ
LT3015MPMSE-3.3#PBF
Analog Devices Inc.
IC REG LINEAR -3.3V 1.5A 12MSOP
במלאי2401 pcs
2.4 mA
Negative
Enable
-3.3V
-
1
1.5A
0.5V @ 1.5A
61dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3015
Tube
-
-55°C ~ 125°C
Surface Mount
-30V
Fixed
12-TSSOP (0.118', 3.00mm Width) Exposed Pad
12-MSOP-EP
70 mA
RFQ
LP3981IMM-2.7
Texas Instruments
IC REG LINEAR 2.7V 300MA 8VSSOP
במלאי16190 pcs
120 µA
Positive
Enable
2.7V
-
1
300mA
0.2V @ 300mA
50dB ~ 55dB (1kHz ~ 10kHz)
Over Current, Over Temperature, Short Circuit
LP3981
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-VSSOP
210 µA
RFQ
LT3007ITS8#TRPBF
Analog Devices Inc.
IC REG LIN POS ADJ 20MA TSOT23-8
במלאי15478 pcs
6 µA
Positive
Enable
0.6V
44.5V
1
20mA
0.5V @ 20mA
70dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3007
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
45V
Adjustable
SOT-23-8 Thin, TSOT-23-8
TSOT-23-8
-
RFQ
AP7362-33SP-13
Diodes Incorporated
IC REG LINEAR 3.3V 1.5A 8SO
במלאי159090 pcs
1.2 mA
Positive
Enable
3.3V
-
1
1.5A
0.24V @ 1.5A
65dB ~ 61dB (120Hz ~ 1kHz)
Over Current, Over Temperature
AP7362
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
8-SOIC (0.154', 3.90mm Width) Exposed Pad
8-SO-EP
-
RFQ
AP7383-33FDC-7
Diodes Incorporated
LDO CMOS LOWCURR U-DFN2020-6 T&R
במלאי277180 pcs
3 µA
Positive
-
3.3V
-
1
150mA
1.5V @ 150mA
-
Over Current, Over Temperature
-
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
30V
Fixed
6-UDFN Exposed Pad
U-DFN2020-6 (Type C)
3 µA
RFQ
S-1200B16-M5T1G
ABLIC Inc.
IC REG LINEAR 1.6V 150MA SOT23-5
במלאי84860 pcs
1 µA
Positive
Enable
1.6V
-
1
150mA
0.6V @ 100mA
70dB (1kHz)
Over Current
S-1200
Tape & Reel (TR)
S-1200
-40°C ~ 85°C (TA)
Surface Mount
10V
Fixed
SC-74A, SOT-753
SOT-23-5
40 µA
RFQ
AP7332-2833W6-7
Diodes Incorporated
IC REG LINEAR 2.8V/3.3V SOT26
במלאי119530 pcs
80 µA
Positive
Enable
2.8V, 3.3V
-
2
300mA, 300mA
0.4V @ 300mA, 0.4V @ 300mA
65dB (1kHz)
Over Current, Over Temperature, Short Circuit
AP7332
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SOT-23-6
SOT-26
-
RFQ
TLV70133DBVT
Texas Instruments
IC REG LINEAR 3.3V 150MA SOT23-5
במלאי48890 pcs
4.5 µA
Positive
-
3.3V
-
1
150mA
0.4V @ 50mA
60dB (100kHz)
Over Current, Reverse Polarity
TLV70133
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
24V
Fixed
SC-74A, SOT-753
SOT-23-5
5.5 µA
RFQ
L7809CP
STMicroelectronics
IC REG LINEAR 9V 1.5A TO220FP
במלאי6020 pcs
8 mA
Positive
-
9V
-
1
1.5A
2V @ 1A (Typ)
55dB (120Hz)
Over Temperature, Short Circuit
L7809
Tube
-
0°C ~ 125°C
Through Hole
35V
Fixed
TO-220-3 Full Pack
TO-220FP
-
RFQ
UA7808CKCT
Texas Instruments
IC REG LINEAR 8V 1.5A TO220-3
במלאי124420 pcs
-
Positive
-
8V
-
1
1.5A
2V @ 1A
72dB ~ 62dB (120Hz)
Over Temperature, Reverse Polarity
UA7808
Tube
-
0°C ~ 125°C
Through Hole
25V
Fixed
TO-220-3
TO-220-3
-
RFQ
KA7808ETU
Fairchild Semiconductor
IC REG LINEAR FIXED POS STD REG
במלאי111440 pcs
8 mA
Positive
-
8V
-
1
1A
2V @ 1A (Typ)
73dB (120Hz)
Over Temperature, Short Circuit
KA7808
Bulk
-
-40°C ~ 125°C
Through Hole
35V
Fixed
TO-220-3
TO-220-3
-
RFQ
TPS79328QDBVRQ1
Texas Instruments
IC REG LINEAR 2.8V 200MA SOT23-5
במלאי262650 pcs
220 µA
Positive
Enable
2.8V
-
1
200mA
0.2V @ 200mA
70dB ~ 43dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS79328
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
TLV74130PDBVR
Texas Instruments
IC REG LINEAR 3V 150MA SOT23-5
במלאי711700 pcs
50 µA
Positive
Enable
3V
-
1
150mA
0.54V @ 150mA
70dB ~ 55dB (100Hz ~ 1MHz)
Current Limit, Thermal Shutdown, UVLO
TLV74130
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
75 µA
RFQ
ADP7118AUJZ-3.3-R7
Analog Devices Inc.
IC REG LIN 3.3V 200MA TSOT23-5
במלאי24262 pcs
140 µA
Positive
Enable, Soft Start
3.3V
-
1
200mA
0.42V @ 200mA
88dB ~ 50dB (10kHz ~ 1MHz)
Over Current, Over Temperature
ADP7118
Tape & Reel (TR)
-
-40°C ~ 125°C (TA)
Surface Mount
20V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
320 µA
RFQ
TPS71727DCKR
Texas Instruments
IC REG LINEAR 2.7V 150MA SC70-5
במלאי80960 pcs
80 µA
Positive
Enable
2.7V
-
1
150mA
0.3V @ 150mA
70dB ~ 45dB (100Hz ~ 1MHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS717
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
100 µA
RFQ
MC78M18CT
onsemi
IC REG LINEAR 18V 500MA TO220AB
במלאי14240 pcs
-
Positive
-
18V
-
1
500mA
-
70dB (120Hz)
Over Temperature, Short Circuit
MC78M18
Tube
-
0°C ~ 125°C
Through Hole
35V
Fixed
TO-220-3
TO-220
-
RFQ
LT3080IST#TRPBF
Analog Devices Inc.
IC REG LIN POS ADJ 1.1A SOT223-3
במלאי9404 pcs
500 µA
Positive
-
0V
36V
1
1.1A
1.6V @ 1.1A
75db ~ 20dB (120Hz ~ 1MHz)
Over Current, Over Temperature, Short Circuit
LT3080
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
36V
Adjustable
TO-261-4, TO-261AA
SOT-223-3
30 mA
RFQ
AN77L05M-E1
Panasonic Electronic Components
IC REG LINEAR 5V 100MA 3HSIP
במלאי10710 pcs
5 mA
Positive
-
5V
-
1
100mA
-
68dB (120Hz)
Over Current, Over Temperature, Short Circuit
AN77L05
Tape & Reel (TR)
-
-30°C ~ 125°C
Surface Mount
15.7V
Fixed
TO-243AA
3-HSIP
-
RFQ
FAN1117AS5X
Fairchild Semiconductor
IC REG LINEAR 5V 1A SOT223-4
במלאי139980 pcs
-
Positive
-
5V
-
1
1A
1.2V @ 1A
72dB (120Hz)
Over Current, Over Temperature
-
Bulk
-
0°C ~ 125°C
Surface Mount
18V
Fixed
TO-261-4, TO-261AA
SOT-223-4
-
RFQ
TL751M12QKTTRQ1
Texas Instruments
IC REG LINEAR 12V 750MA DDPAK
במלאי17285 pcs
-
Positive
-
12V
-
1
750mA
0.6V @ 750mA
55dB (120Hz)
Over Current, Over Temperature, Over Voltage, Reverse Polarity
TL751M12
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
26V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
DDPAK/TO-263-5
-
RFQ
MIC5209-3.6BS
Microchip Technology
IC REG LIN 3.6V 500MA SOT223-3
במלאי15120 pcs
170 µA
Positive
-
3.6V
-
1
500mA
0.6V @ 500mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
MIC5209
Bulk
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-261-4, TO-261AA
SOT-223-3
25 mA
RFQ
TPS73601DCQR
Texas Instruments
IC REG LIN POS ADJ 400MA SOT223
במלאי23871 pcs
550 µA
Positive
Enable
1.2V
5.5V
1
400mA
0.2V @ 400mA
58dB ~ 37dB (100Hz ~ 10kHz)
Over Current, Over Temperature, Reverse Polarity
TPS73601
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
SOT-223-6
SOT-223-6
1 mA
RFQ
TPS79325DBVRG4
Texas Instruments
IC REG LINEAR 2.5V 200MA SOT23-5
במלאי16870 pcs
220 µA
Positive
Enable
2.5V
-
1
200mA
-
70dB ~ 43dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS79325
Tape & Reel (TR)
-
-40°C ~ 150°C
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
LP38859T-1.2
Texas Instruments
IC REG LINEAR 1.2V 3A TO220-5
במלאי13510 pcs
8.5 mA
Positive
Soft Start
1.2V
-
1
3A
0.45V @ 3A
80dB ~ 65dB (120Hz ~ 1kHz)
Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
LP38859
Tube
-
-40°C ~ 125°C
Through Hole
5.5V
Fixed
TO-220-5 Formed Leads
TO-220-5
15 mA
RFQ
AS78L05Z-E1
Diodes Incorporated
IC REG LINEAR 5V 100MA TO92
במלאי623300 pcs
5.5 mA
Positive
-
5V
-
1
100mA
1.8V @ 100mA (Typ)
62dB (120Hz)
Over Temperature, Short Circuit
AS78L05
Bulk
-
-40°C ~ 125°C
Through Hole
30V
Fixed
TO-226-3, TO-92-3 (TO-226AA)
TO-92
-
RFQ
TLV70712PDQNR
Texas Instruments
IC REG LINEAR 1.2V 200MA 4X2SON
במלאי353680 pcs
50 µA
Positive
Enable
1.2V
-
1
200mA
0.36V @ 150mA
70dB ~ 50dB (100Hz ~ 1MHz)
Over Current, Over Temperature, Short Circuit, Reverse Polarity
TLV70712
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-X2SON (1x1)
-
RFQ
SG7912AT
Microchip Technology
IC REG LINEAR -12V 1.5A TO39
במלאי9920 pcs
4 mA
Negative
-
-12V
-
1
1.5A
2.3V @ 500mA
54dB (120Hz)
Over Current, Over Temperature, Thermal Shutdown
SG7912
Bulk
Military, MIL-STD-883
-55°C ~ 125°C (TA)
Through Hole
-35V
Fixed
TO-205AD, TO-39-3 Metal Can
TO-39
-
RFQ
REG1117A
Texas Instruments
IC REG LINEAR POS ADJ 1A SOT223
במלאי20140 pcs
10 mA
Positive
-
1.25V
13.5V
1
1A
1.55V @ 1A
62dB (120Hz)
Over Current, Over Temperature
REG1117
Tube
-
-40°C ~ 125°C
Surface Mount
15V
Adjustable
TO-261-4, TO-261AA
SOT-223-4
-
RFQ
S-1142B50H-E6T2U
ABLIC Inc.
IC REG LINEAR 5V 200MA 6HSOP
במלאי45410 pcs
2.5 µA
Positive
Enable
5V
-
1
200mA
0.5V @ 200mA
40dB (100Hz)
Over Current, Thermal Shutdown
S-1142
Tape & Reel (TR)
S-1142A/BxxH
-40°C ~ 105°C (TA)
Surface Mount
50V
Fixed
6-SOIC Variation (0.154', 3.90mm Width), 4 Leads + 2 Fins
6-HSOP
9 µA
RFQ