MC7815CDTRK
onsemi
IC REG LINEAR 15V 1A DPAK
في المخزن3820 pcs
6.5 mA
Positive
-
15V
-
1
1A
2V @ 1A (Typ)
58dB (120Hz)
Over Temperature, Short Circuit
MC7815
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
35V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
-
RFQ
NCP552SQ33T1
onsemi
IC REG LINEAR 3.3V 80MA SC82AB
في المخزن15590 pcs
1 µA
Positive
Enable
3.3V
-
1
80mA
1V @ 80mA
-
Over Current, Over Temperature
NCP552
Tape & Reel (TR)
NOCAP™
-40°C ~ 85°C
Surface Mount
12V
Fixed
SC-82A, SOT-343
SC-82AB
6 µA
RFQ
KA7905ATU
onsemi
IC REG LINEAR -5V 1A TO220-3
في المخزن9610 pcs
6 mA
Negative
-
-5V
-
1
1A
2V @ 1A (Typ)
60dB (120Hz)
Over Temperature, Short Circuit
KA79
Tube
-
0°C ~ 125°C
Through Hole
-35V
Fixed
TO-220-3
TO-220-3
-
RFQ
LP3982ILD-3.3
Texas Instruments
IC REG LINEAR 3.3V 300MA 8WSON
في المخزن3980 pcs
270 µA
Positive
Enable
3.3V
-
1
300mA
0.22V @ 200mA
-
Over Current, Over Temperature, Reverse Polarity
LP3982
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
8-WFDFN Exposed Pad
8-WSON (3x2.5)
-
RFQ
NCV8664DT33RKG
onsemi
IC REG LINEAR 3.3V 150MA DPAK
في المخزن15120 pcs
29 µA
Positive
-
3.3V
-
1
150mA
1.266V @ 150mA
67dB (100Hz)
Over Current, Over Temperature, Reverse Polarity, Short Circuit
NCV8664
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 150°C
Surface Mount
45V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
30 µA
RFQ
IRU1010-25CP
Infineon Technologies
IC REG LIN 2.5V 1A 2ULTRA THINPK
في المخزن5860 pcs
-
Positive
-
2.5V
-
1
1A
1.3V @ 1A
70dB (120Hz)
Over Current, Over Temperature
IRU1010-25CP
Tube
-
0°C ~ 125°C
Surface Mount
7V
Fixed
2-Ultra Thin-Pak™
2-Ultra Thin-Pak
-
RFQ
R1173H001D-T1-FE
Nisshinbo Micro Devices Inc.
IC REG LINEAR POS ADJ 1A SOT89-5
في المخزن44200 pcs
100 µA
Positive
Enable
1V
6V
1
1A
-
70dB (1kHz)
Over Current, Over Temperature
R1173
Tape & Reel (TR)
R1173x
-40°C ~ 85°C
Surface Mount
6V
Adjustable
SOT-89-5/6
SOT-89-5
-
RFQ
LM350AT
Texas Instruments
IC REG LINEAR POS ADJ 3A TO220-3
في المخزن17768 pcs
-
Positive
-
1.25V
33V
1
3A
-
86dB ~ 65dB (120Hz)
Over Current, Over Temperature, Short Circuit
LM350
Tube
-
-40°C ~ 125°C
Through Hole
35V
Adjustable
TO-220-3
TO-220-3
-
RFQ
BU2JTD3WG-TR
Rohm Semiconductor
IC REG LINEAR 2.85V 200MA 5SSOP
في المخزن157550 pcs
60 µA
Positive
Enable
2.85V
-
1
200mA
0.5V @ 200mA
70dB (1kHz)
Over Current, Over Temperature
BU2JTD3
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
5-SSOP
-
RFQ
MIC37102YM-TR
Microchip Technology
IC REG LINEAR POS ADJ 1A 8SOIC
في المخزن23991 pcs
-
Positive
Enable
1.24V
6V
1
1A
0.5V @ 1A
-
Over Current, Over Temperature
MIC37102
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Adjustable
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
AP7365-28WG-7
Diodes Incorporated
IC REG LINEAR 2.8V 600MA SOT25
في المخزن292310 pcs
80 µA
Positive
Enable
2.8V
-
1
600mA
0.4V @ 600mA
65dB (1kHz)
Over Current, Over Temperature
AP7365
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-25
-
RFQ
TPS79516DCQRG4
Texas Instruments
IC REG LIN 1.6V 500MA SOT223-6
في المخزن16140 pcs
385 µA
Positive
Enable
1.6V
-
1
500mA
-
59dB ~ 39dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS79516
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SOT-223-6
SOT-223-6
-
RFQ
LM79M12CH
Texas Instruments
IC REG LINEAR FIXED STNDRD REG
في المخزن9410 pcs
2 mA
Negative
-
-12V
-
1
500mA
1.1V @ 500mA
66dB (120Hz)
Over Temperature, Short Circuit
-
Bulk
LM79M12
0°C ~ 125°C (TJ)
Through Hole
-35V
Fixed
TO-220-3
TO-220-3
-
RFQ
TC1014-3.6VCT713
Microchip Technology
IC REG LINEAR 3.6V 50MA SOT23-5
في المخزن88920 pcs
80 µA
Positive
Enable
3.6V
-
1
50mA
0.12V @ 50mA
64dB (1kHz)
Over Current, Over Temperature
TC1014
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
MC7915ACT
onsemi
IC REG LINEAR -15V 1A TO220AB
في المخزن6160 pcs
-
Negative
-
-15V
-
1
1A
1.3V @ 1A (Typ)
60dB (120Hz)
Over Current, Over Temperature
MC7915
Tube
-
0°C ~ 125°C
Through Hole
-35V
Fixed
TO-220-3
TO-220
-
RFQ
MIC37101-2.5YM
Microchip Technology
IC REG LINEAR 2.5V 1A 8SOIC
في المخزن35306 pcs
-
Positive
Enable
2.5V
-
1
1A
0.5V @ 1A
-
Over Current, Over Temperature
MIC37101
Tube
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
S-13A1C18-E6T1U3
ABLIC Inc.
IC REG LINEAR 1.8V 1A 6HSOP
في المخزن40530 pcs
1 µA
Positive
Enable
1.8V
-
1
1A
0.15V @ 300mA
65dB (1kHz)
Inrush Current Limit, Over Current, Thermal Shutdown
S-13A1
Tape & Reel (TR)
S-13A1
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins
6-HSOP
90 µA
RFQ
TLV70025DCKR
Texas Instruments
IC REG LINEAR 2.5V 200MA SC70-5
في المخزن397900 pcs
55 µA
Positive
Enable
2.5V
-
1
200mA
0.25V @ 200mA
68dB (1kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TLV70025
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
270 µA
RFQ
SIP21107DT-30-E3
Vishay Siliconix
IC REG LINEAR 3V 150MA TSOT23-5
في المخزن13070 pcs
85 µA
Positive
Enable, Power Good
3V
-
1
150mA
0.22V @ 150mA
72dB ~ 38dB (1kHz ~ 100kHz)
Over Temperature, Short Circuit
SIP211
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
-
RFQ
LP4951CM
Texas Instruments
IC REG LIN POS ADJ 100MA 8SOIC
في المخزن9640 pcs
170 µA
Positive
Enable
1.235V
30V
1
100mA
0.6V @ 100mA
-
Over Current, Over Temperature
LP4951
Tube
-
-40°C ~ 125°C
Surface Mount
30V
Adjustable
8-SOIC (0.154', 3.90mm Width)
8-SOIC
19 mA
RFQ
MIC5206-4.0YM5
Micrel Inc.
IC REG LINEAR 150MA LOW NOISE
في المخزن99780 pcs
150 µA
Positive
Enable, Error Flag
4V
-
1
150mA
0.35V @ 150mA
-
Over Current, Over Temperature, Reverse Polarity
-
Bulk
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
2.5 mA
RFQ
LDLN025M25R
STMicroelectronics
IC REG LINEAR 2.5V 250MA SOT23-5
في المخزن155630 pcs
25 µA
Positive
Enable
2.5V
-
1
250mA
0.2V @ 250mA
80dB ~ 60dB (100Hz ~ 100KHz)
Over Current, Over Temperature, Short Circuit, Soft Start
LDLN025
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
425 µA
RFQ
NJM79M05FA
Nisshinbo Micro Devices Inc.
IC REG LINEAR -5V 500MA TO220F
في المخزن10930 pcs
5 mA
Negative
-
-5V
-
1
500mA
-
58dB (120Hz)
Over Temperature, Short Circuit
-
Bulk
-
-40°C ~ 85°C
Through Hole
-35V
Fixed
TO-220-3 Full Pack
TO-220F
-
RFQ
IRU1175CMTR
Infineon Technologies
IC REG LIN POS ADJ 7.5A TO263-5
في المخزن4940 pcs
10 mA
Positive
-
1.25V
5.5V
1
7.5A
1.3V @ 7.5A
70dB (120Hz)
Over Current, Over Temperature
IRU1175CM
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
6V
Adjustable
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
TO-263-5
-
RFQ
NCP5501DT33RKG
onsemi
IC REG LINEAR 3.3V 500MA DPAK
في المخزن87000 pcs
500 µA
Positive
Enable
3.3V
-
1
500mA
0.7V @ 500mA
75dB ~ 70dB (120hZ ~ 10kHz)
Over Current, Over Temperature, Reverse Polarity
NCP5501
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
16V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
20 mA
RFQ
TPS74701DRCRG4
Texas Instruments
IC REG LIN POS ADJ 500MA 10VSON
في المخزن47650 pcs
-
Positive
Enable, Power Good, Soft Start
0.8V
3.6V
1
500mA
1.39V @ 500mA
60dB ~ 30dB (1kHz ~ 300kHz)
Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
TPS74701
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
10-VFDFN Exposed Pad
10-VSON (3x3)
-
RFQ
MC78M24BT
onsemi
IC REG LINEAR 24V 500MA TO220AB
في المخزن4030 pcs
-
Positive
-
24V
-
1
500mA
-
70dB (120Hz)
Over Temperature, Short Circuit
MC78M24
Tube
-
-40°C ~ 125°C
Through Hole
40V
Fixed
TO-220-3
TO-220
-
RFQ
NCP4620HSQ25T1G
onsemi
IC REG LINEAR 2.5V 150MA SC88A
في المخزن3670 pcs
40 µA
Positive
Enable
2.5V
-
1
150mA
0.58V @ 150mA
70dB (1kHz)
Over Current, Over Temperature
NCP4620
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
10V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-88A (SC-70-5/SOT-353)
-
RFQ
MIC37302BR
Microchip Technology
IC REG LINEAR POS ADJ 3A SPAK-5
في المخزن13870 pcs
-
Positive
Enable
1.24V
5.5V
1
3A
-
-
Over Current, Over Temperature, Reverse Polarity
MIC37302
Tube
-
-40°C ~ 125°C
Surface Mount
6V
Adjustable
SPak-5 (5 leads + Tab)
S-PAK-5
-
RFQ
TPS70936DBVT
Texas Instruments
IC REG LINEAR 3.6V 150MA SOT23-5
في المخزن38474 pcs
2.05 µA
Positive
Enable
3.6V
-
1
150mA
1.4V @ 150mA
80dB ~ 52dB (10Hz ~ 1kHz)
Over Current, Over Temperature, Reverse Current, Under Voltage Lockout (UVLO)
TPS70936
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
30V
Fixed
SC-74A, SOT-753
SOT-23-5
350 µA
RFQ
LT1587CM#TRPBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 3A 3DDPAK
في المخزن4307 pcs
10 mA
Positive
-
1.25V
5.5V
1
3A
1.3V @ 3A
-
Over Current, Over Temperature, Short Circuit
LT1587
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
7V
Adjustable
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
3-DDPAK
-
RFQ
MAX8559ETAAJ+T
Analog Devices Inc./Maxim Integrated
IC REG LINEAR 3.3V/2.85V 8TDFN
في المخزن9470 pcs
290 µA
Positive
Enable
3.3V, 2.85V
-
2
300mA, 300mA
0.12V @ 100mA, 0.12V @ 100mA
70dB ~ 54dB (10kHz ~ 100kHz)
Over Current, Over Temperature, Short Circuit
MAX8559
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6.5V
Fixed
8-WDFN Exposed Pad
8-TDFN (3x3)
-
RFQ
TPS709A33DBVT
Texas Instruments
IC REG LINEAR 3.3V 150MA SOT23-5
في المخزن26136 pcs
2.05 µA
Positive
Enable
3.3V
-
1
150mA
1.4V @ 150mA
80dB ~ 52dB (10Hz ~ 1kHz)
Over Current, Over Temperature, Reverse Current, Under Voltage Lockout (UVLO)
TPS709
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
30V
Fixed
SC-74A, SOT-753
SOT-23-5
350 µA
RFQ
LD2982BM30R
STMicroelectronics
IC REG LINEAR 3V 50MA SOT23-5
في المخزن17320 pcs
150 µA
Positive
Enable
3V
-
1
50mA
0.225V @ 50mA
45dB (1kHz)
Over Current, Over Temperature
LD2982
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
1.2 mA
RFQ
NCV4266ST33T3G
onsemi
IC REG LINEAR 3.3V 150MA SOT223
في المخزن8050 pcs
200 µA
Positive
Enable
3.3V
-
1
150mA
-
70dB (100Hz)
Over Current, Over Temperature, Reverse Polarity
NCV4266
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 150°C
Surface Mount
45V
Fixed
TO-261-4, TO-261AA
SOT-223 (TO-261)
15 mA
RFQ
AN77L05M-E1
Panasonic Electronic Components
IC REG LINEAR 5V 100MA 3HSIP
في المخزن10710 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
TLV70728PDQNR
Texas Instruments
IC REG LINEAR 2.8V 200MA 4X2SON
في المخزن312320 pcs
50 µA
Positive
Enable
2.8V
-
1
200mA
0.3V @ 150mA
70dB ~ 50dB (100Hz ~ 1MHz)
Over Current, Over Temperature, Short Circuit, Reverse Polarity
TLV70728
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-X2SON (1x1)
-
RFQ
NCP500SN33T1
onsemi
IC REG LINEAR 3.3V 150MA 5TSOP
في المخزن7610 pcs
1 µA
Positive
Enable
3.3V
-
1
150mA
0.23V @ 150mA
62dB (1kHz)
Over Current, Over Temperature
NCP500
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6V
Fixed
SOT-23-5 Thin, TSOT-23-5
5-TSOP
300 µA
RFQ
TPS7A8400RGRR
Texas Instruments
IC REG LINEAR POS ADJ 3A 20VQFN
في المخزن11045 pcs
4 mA
Positive
Enable, Power Good, Soft Start
0.8V
5V
1
3A
0.34V @ 3A
42dB ~ 25dB (10kHz ~ 500kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
TPS7A8400
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
6.5V
Adjustable/Programmable
20-VFQFN Exposed Pad
20-VQFN (3.5x3.5)
5.5 mA
RFQ
MPQ8904DD-AEC1-LF-Z
Monolithic Power Systems Inc.
IC REG LINEAR POS ADJ 500MA 8QFN
في المخزن35140 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
LX8587-33CP
Microsemi Corporation
IC REG LIN 3.3V 3A TO220 POWER
في المخزن9450 pcs
10 mA
Positive
-
3.3V
-
1
3A
1.3V @ 3A
-
Over Temperature, Short Circuit
LX8587
Tube
-
0°C ~ 125°C
Through Hole
10V
Fixed
TO-220-3
TO-220, Power
-
RFQ
ZLDO1117G33TA
Diodes Incorporated
IC REG LINEAR 3.3V 1A SOT223
في المخزن10710 pcs
10 mA
Positive
-
3.3V
-
1
1A
1.35V @ 1A
80dB (120Hz)
Over Current, Over Temperature
ZLDO1117
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
18V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
ADP1713AUJZ-1.1-R7
Analog Devices Inc.
IC REG LINEAR 1.1V 300MA TSOT5
في المخزن12760 pcs
70 µA
Positive
Enable, Bypass
1.1V
-
1
300mA
0.23V @ 300mA
72dB (1kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
ADP1713
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
420 µA
RFQ
XC6701B332MR-G
Torex Semiconductor Ltd
IC REG LINEAR 3.3V 150MA SOT25
في المخزن62360 pcs
105 µA
Positive
Enable
3.3V
-
1
150mA
1.7V @ 100mA
50dB (1kHz)
Over Current, Over Temperature
XC6701
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
28V
Fixed
SC-74A, SOT-753
SOT-25-5
-
RFQ
XC6206P332MR-G
Torex Semiconductor Ltd
IC REG LINEAR 3.3V 200MA SOT23
في المخزن128500 pcs
3 µA
Positive
-
3.3V
-
1
200mA
0.68V @ 100mA
-
Over Current, Short Circuit
XC6206
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6V
Fixed
TO-236-3, SC-59, SOT-23-3
SOT-23
3 µA
RFQ
ADP322ACPZ-135-R7
Analog Devices Inc.
IC REG LIN 1.8/2.5/3.3V 16LFCSP
في المخزن38465 pcs
160 µA
Positive
Enable
1.8V, 2.5V, 3.3V
-
3
200mA, 200mA, 200mA
-, 0.17V @ 200mA, 0.17V @ 200mA
-
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
ADP322
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
16-WFQFN Exposed Pad, CSP
16-LFCSP-WQ (3x3)
380 µA
RFQ
LP590730QDQNRQ1
Texas Instruments
IC REG LINEAR 3V 250MA 4X2SON
في المخزن142290 pcs
25 µA
Positive
Enable
3V
-
1
250mA
0.25V @ 250mA
90dB ~ 60dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Short Circuit
LP5907
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-X2SON (1x1)
425 µA
RFQ
TPS78630DCQR
Texas Instruments
IC REG LINEAR 3V 1.5A SOT223-6
في المخزن13716 pcs
385 µA
Positive
Enable
3V
-
1
1.5A
0.55V @ 1.5A
59dB ~ 32dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS78630
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SOT-223-6
SOT-223-6
-
RFQ
MIC5309-1.5YMT-TR
Microchip Technology
IC REG LINEAR 1.5V 300MA 6TMLF
في المخزن54240 pcs
-
Positive
Enable
1.5V
-
1
300mA
0.2V @ 300mA
90dB ~ 70dB (1kHz)
Over Current, Over Temperature
MIC5309
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
6-UFDFN Exposed Pad, 6-TMLF®
6-TMLF® (1.6x1.6)
-
RFQ
TPS79942DDCT
Texas Instruments
IC REG LINEAR 4.2V 200MA SOT23-5
في المخزن48780 pcs
60 µA
Positive
Enable
4.2V
-
1
200mA
0.16V @ 200mA
70dB ~ 38dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS79942
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
SOT-23-THIN
-
RFQ