AZ1117ID-5.0TRG1
Diodes Incorporated
IC REG LINEAR 5V 1A TO252-2
In magazzino243650 pcs
6 mA
Positive
-
5V
-
1
1A
1.4V @ 800mA
70dB (120Hz)
Thermal Shutdown
AZ1117
Tape & Reel (TR)
AZ1117I
-40°C ~ 125°C (TJ)
Surface Mount
15V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252-3
-
RFQ
NCP160AFCT450T2G
onsemi
IC REG LINEAR 4.5V 250MA 4WLCSP
In magazzino404220 pcs
23 µA
Positive
Enable
4.5V
-
1
250mA
0.12V @ 250mA
91dB ~ 48dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Soft Start
NCP160
Tape & Reel (TR)
-
-40°C ~ 125°C (TA)
Surface Mount
5.5V
Fixed
4-XFBGA, WLCSP
4-WLCSP (0.64x0.64)
-
RFQ
MIC5205-2.85YM5-TR
Microchip Technology
IC REG LIN 2.85V 150MA SOT23-5
In magazzino46460 pcs
150 µA
Positive
Enable
2.85V
-
1
150mA
0.35V @ 150mA
75dB (100Hz)
Over Current, Over Temperature, Reverse Polarity
MIC5205
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
2.5 mA
RFQ
L7809ABD2T
STMicroelectronics
IC REG LINEAR 9V 1.5A D2PAK
In magazzino7610 pcs
6 mA
Positive
-
9V
-
1
1.5A
2V @ 1A (Typ)
61dB (120Hz)
Over Temperature, Short Circuit
L7809
Tube
-
-40°C ~ 125°C
Surface Mount
35V
Fixed
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D2PAK
-
RFQ
MC78L24ABPG
onsemi
IC REG LINEAR 24V 100MA TO92-3
In magazzino251080 pcs
6.5 mA
Positive
-
24V
-
1
100mA
-
45dB (120Hz)
Over Temperature, Short Circuit
MC78L24
Bulk
-
-40°C ~ 125°C
Through Hole
40V
Fixed
TO-226-3, TO-92-3 Long Body
TO-92 (TO-226)
-
RFQ
LT3080EQ#TRPBF
Analog Devices Inc.
IC REG LIN POS ADJ 1.1A 5DDPAK
In magazzino10048 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-263-6, D²Pak (5 Leads + Tab), TO-263BA
5-DDPAK
30 mA
RFQ
TLV73312PDBVR
Texas Instruments
IC REG LINEAR 1.2V 300MA SOT23
In magazzino365150 pcs
60 µA
Positive
Enable
1.2V
-
1
300mA
0.45V @ 300mA
68dB ~ 28dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
TLV73312
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
MAX8880EUT-T
Analog Devices Inc./Maxim Integrated
IC REG LINEAR POS ADJ 200MA SOT6
In magazzino15650 pcs
10 µA
Positive
Enable, Power Good
1.25V
5V
1
200mA
0.2V @ 50mA
-
Over Temperature, Reverse Polarity, Short Circuit
MAX8880
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
12V
Adjustable
SOT-23-6
SOT-6
-
RFQ
TPS7B8233QDRVRQ1
Texas Instruments
IC REG LIN 3.3V/5V 300MA 6WSON
In magazzino57440 pcs
3.5 µA
Positive
Enable
3.3V, 5V
-
1
300mA
1.35V @ 300mA, 1.17V @ 300mA
60dB (100Hz)
Over Current, Over Temperature, Short Circuit
TPS7B8233
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 150°C (TJ)
Surface Mount
40V
Fixed
6-WDFN Exposed Pad
6-WSON (2x2)
-
RFQ
IRU1117-18CY
Infineon Technologies
IC REG LINEAR 1.8V 800MA SOT223
In magazzino9110 pcs
-
Positive
-
1.8V
-
1
800mA
1.3V @ 1A
70dB (120Hz)
Over Current, Over Temperature
IRU1117-18CY
Tube
-
0°C ~ 125°C
Surface Mount
7V
Fixed
TO-261-4, TO-261AA
SOT-223
-
RFQ
TLV73311PQDBVRQ1
Texas Instruments
IC REG LINEAR 1.1V 300MA SOT23-5
In magazzino186100 pcs
78 µA
Positive
Enable
1.1V
-
1
300mA
0.51V @ 300mA
-
Over Current, Over Temperature, UVLO
TLV733
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TA)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
LT3022EDHC#TRPBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 1A 16DFN
In magazzino7880 pcs
3.5 mA
Positive
Enable
0.2V
9.5V
1
1A
0.285V @ 1A
70dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3022
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
10V
Adjustable
16-WFDFN Exposed Pad
16-DFN (5x3)
36 mA
RFQ
TLE4678GM
Infineon Technologies
IC REG LINEAR 5V 200MA DSO14
In magazzino13770 pcs
80 µA
Positive
Reset, Watchdog
5V
-
1
200mA
0.35V @ 150mA
65dB (100Hz)
Over Current, Over Temperature, Reverse Polarity, Short Circuit
TLE4678
Tape & Reel (TR)
Automotive, AEC-Q100, OPTIREG™
-40°C ~ 150°C
Surface Mount
45V
Fixed
14-SOIC (0.154', 3.90mm Width)
PG-DSO-14
8 mA
RFQ
LP590713QDQNRQ1
Texas Instruments
IC REG LINEAR 1.3V 250MA 4X2SON
In magazzino125330 pcs
25 µA
Positive
Enable
1.3V
-
1
250mA
0.25V @ 250mA
90dB ~ 60dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Short Circuit
LP590713
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
NCP114BSN330T1G
onsemi
IC REG LINEAR 3.3V 300MA 5TSOP
In magazzino451550 pcs
95 µA
Positive
Enable
3.3V
-
1
300mA
0.225V @ 300mA
75dB (1kHz)
Over Current, Over Temperature
NCP114
Tape & Reel (TR)
-
-40°C ~ 85°C (TJ)
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
5-TSOP
-
RFQ
LD1086DTTR
STMicroelectronics
IC REG LINEAR POS ADJ 1.5A DPAK
In magazzino59470 pcs
10 mA
Positive
-
1.25V
28.5V
1
1.5A
1.5V @ 1.5A
88dB (120Hz)
Over Current, Over Temperature
LD1086
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
30V
Adjustable
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
-
RFQ
LD1117AD2MTR
STMicroelectronics
IC REG LINEAR POS ADJ 1A D2PAK
In magazzino4250 pcs
5 mA
Positive
-
1.25V
15V
1
1A
1.3V @ 1A
80dB (120Hz)
Over Current, Over Temperature
LD1117
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
15V
Adjustable
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D2PAK
-
RFQ
AP7335-10WG-7
Diodes Incorporated
IC REG LINEAR 1V 300MA SOT25
In magazzino298530 pcs
80 µA
Positive
Enable
1V
-
1
300mA
0.3V @ 300mA
65dB (1kHz)
Over Current, Over Temperature
AP7335
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-25
-
RFQ
LD1086V50
STMicroelectronics
IC REG LINEAR 5V 1.5A TO220AB
In magazzino8200 pcs
10 mA
Positive
-
5V
-
1
1.5A
1.5V @ 1.5A
75dB (120Hz)
Over Current, Over Temperature
LD1086
Tube
-
-40°C ~ 125°C
Through Hole
30V
Fixed
TO-220-3
TO-220
-
RFQ
AZ1084CS2-5.0TRE1
Diodes Incorporated
IC REG LINEAR 5V 5A TO263-2
In magazzino7080 pcs
10 mA
Positive
-
5V
-
1
5A
1.5V @ 4.5A
72dB (120Hz)
Over Current, Over Temperature
AZ1084
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
12V
Fixed
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
TO-263
-
RFQ
ADP3338AKC-1.8-RL7
Analog Devices Inc.
IC REG LDO 1A PREC 1.8V SOT-223
In magazzino23279 pcs
190 µA
Positive
-
1.8V
-
1
1A
0.4V @ 1A
-
Over Current, Over Temperature
ADP3338
Bulk
anyCAP®
-40°C ~ 85°C (TA)
Surface Mount
8V
Fixed
TO-261-4, TO-261AA
SOT-223-3
30 mA
RFQ
NCP702SN30T1G
onsemi
IC REG LINEAR 3V 200MA 5TSOP
In magazzino10290 pcs
16 µA
Positive
Enable
3V
-
1
200mA
-
-
Over Current, Over Temperature, Soft Start, Under Voltage Lockout (UVLO)
NCP702
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
5-TSOP
-
RFQ
SIP21123DR-T1-E3
Vishay Siliconix
IC REG LINEAR SC70-5
In magazzino17690 pcs
-
-
-
-
-
-
-
-
-
-
SIP211
Tape & Reel (TR)
-
-
-
-
-
-
-
-
RFQ
MIC5209-5.0BS
Microchip Technology
IC REG LINEAR 5V 500MA SOT223-3
In magazzino10220 pcs
170 µA
Positive
-
5V
-
1
500mA
0.6V @ 500mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
MIC5209
Tube
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-261-4, TO-261AA
SOT-223-3
25 mA
RFQ
TLV1117-25IDCYR
Texas Instruments
IC REG LIN 2.5V 800MA SOT223-4
In magazzino89520 pcs
-
Positive
-
2.5V
-
1
800mA
1.3V @ 800mA
75dB (120Hz)
Over Current, Over Temperature
TLV1117
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
15V
Fixed
TO-261-4, TO-261AA
SOT-223-4
-
RFQ
TPS7A2012PDBVR
Texas Instruments
IC REG LINEAR 1.2V 300MA SOT23-5
In magazzino210980 pcs
15 µA
Positive
Enable
1.2V
-
1
300mA
0.355V @ 300mA
65dB ~ 40dB (100Hz ~ 1MHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
TPS7A2012
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
2 mA
RFQ
LD39030SJ33R
STMicroelectronics
IC REG LIN 3.3V 300MA 4FLIPCHIP
In magazzino102380 pcs
50 µA
Positive
Enable
3.3V
-
1
300mA
0.3V @ 300mA
62dB (1kHz ~ 10kHz)
Over Current, Over Temperature, Soft Start
LD39030
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
4-UFBGA, FCBGA
4-Flipchip (0.79x0.79)
85 µA
RFQ
LT3060ITS8-1.5#TRMPBF
Analog Devices Inc.
IC REG LIN 1.5V 100MA TSOT23-8
In magazzino9796 pcs
80 µA
Positive
Enable, Soft Start
1.5V
-
1
100mA
0.51V @ 100mA
77dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3060
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
45V
Fixed
SOT-23-8 Thin, TSOT-23-8
TSOT-23-8
4 mA
RFQ
RP109L101D-TR
Nisshinbo Micro Devices Inc.
IC REG LINEAR 1V 150MA DFN1010-4
In magazzino143520 pcs
70 µA
Positive
Enable
1V
-
1
150mA
0.82V @ 150mA
75dB (1kHz)
Over Current
RP109
Tape & Reel (TR)
RP109x
-40°C ~ 85°C (TA)
Surface Mount
5.25V
Fixed
4-XDFN Exposed Pad
DFN1010-4
-
RFQ
AP7361-18FGE-7
Diodes Incorporated
IC REG LINEAR 1.8V 1A 8UDFN
In magazzino181270 pcs
90 µA
Positive
Enable
1.8V
-
1
1A
0.7V @ 1A
65dB ~ 45dB (1kHz ~ 10kHz)
Over Current, Over Temperature, Short Circuit
AP7361
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
8-UDFN Exposed Pad
U-DFN3030-8 (Type E)
-
RFQ
AZ1117T-5.0E1
Diodes Incorporated
IC REG LINEAR 5V 1.25A TO220-3
In magazzino14830 pcs
10 mA
Positive
-
5V
-
1
1.25A
1.25V @ 1A
75dB (120Hz)
Thermal Shutdown
AZ1117
Tube
AZ1117
-40°C ~ 125°C (TJ)
Through Hole
15V
Fixed
TO-220-3
TO-220-3
-
RFQ
LT3015EDD-5#TRPBF
Analog Devices Inc.
IC REG LINEAR -5V 1.5A 8DFN
In magazzino8804 pcs
2.4 mA
Negative
Enable
-5V
-
1
1.5A
0.5V @ 1.5A
58dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3015
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
-30V
Fixed
8-WFDFN Exposed Pad
8-DFN (3x3)
70 mA
RFQ
TPS7A02185PDQNR
Texas Instruments
IC REG LINEAR 1.85V 200MA 4X2SON
In magazzino44440 pcs
60 nA
Positive
Enable
1.85V
-
1
200mA
0.45V @ 200mA
55dB (1kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
TPS7A02185
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
6V
Fixed
4-XDFN Exposed Pad
4-X2SON (1x1)
-
RFQ
RT9030A-15GB
Richtek USA Inc.
IC REG LINEAR 1.5V 300MA SOT23-5
In magazzino13420 pcs
50 µA
Positive
Enable
1.5V
-
1
300mA
0.4V @ 300mA
67dB ~ 40dB (1kHz ~ 100kHz)
Over Current, Over Temperature
RT9030
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
MP20041DGT-GC-LF-Z
Monolithic Power Systems Inc.
IC REG LINEAR 1.8V/1.2V 300MA
In magazzino13290 pcs
-
Positive
Enable
1.8V, 1.2V
-
2
300mA, 300mA
0.22V @ 300mA (Typ), -
72dB ~ 68dB (10kHz ~ 100Hz)
Over Current, Over Temperature
-
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6V
Fixed
8-VFDFN Exposed Pad
8-TQFN (2x2)
-
RFQ
LP2989IM-1.8
Texas Instruments
IC REG LINEAR 1.8V 500MA 8SOIC
In magazzino9737 pcs
175 µA
Positive
Enable
1.8V
-
1
500mA
0.65V @ 500mA
60dB (1kHz)
Over Current, Over Temperature, Short Circuit
LP2989
Tube
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
9 mA
RFQ
RP131K131D-TR
Nisshinbo Micro Devices Inc.
IC REG LINEAR 1.3V 1A DFN1820-6
In magazzino104810 pcs
90 µA
Positive
Enable
1.3V
-
1
1A
1.38V @ 1A
70dB (1kHz)
Over Current, Over Temperature
RP131
Tape & Reel (TR)
RP131x
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
6-UFDFN Exposed Pad
DFN(PL)1820-6
-
RFQ
UA78M05CDCY
Texas Instruments
IC REG LINEAR 5V 500MA SOT223-4
In magazzino124720 pcs
-
Positive
-
5V
-
1
500mA
2V @ 350mA
80dB (120Hz)
Over Current, Over Temperature, Short Circuit
UA78M05
Tube
-
0°C ~ 125°C
Surface Mount
25V
Fixed
TO-261-4, TO-261AA
SOT-223-4
-
RFQ
UA7805CKCE3
Texas Instruments
IC REG LINEAR FIXED STNDRD REG
In magazzino90950 pcs
8 mA
Positive
-
5V
-
1
1.5A
2V @ 1A
68dB (120Hz)
Over Current, Over Temperature, Reverse Polarity, Short Circuit
-
Tube
-
0°C ~ 125°C (TJ)
Through Hole
25V
Fixed
TO-220-3
TO-220-3
-
RFQ
LM117K
STMicroelectronics
IC REG LINEAR POS ADJ 1.5A TO3
In magazzino16590 pcs
5 mA
Positive
-
1.25V
37V
1
1.5A
-
80dB ~ 65dB (120Hz)
Over Current, Over Temperature
LM117
Tray
-
-55°C ~ 150°C
Through Hole
40V
Adjustable
TO-204AA, TO-3
TO-3
-
RFQ
AP2204K-3.3TRG1
Diodes Incorporated
IC REG LINEAR 3.3V 150MA SOT23-5
In magazzino201270 pcs
50 µA
Positive
Enable
3.3V
-
1
150mA
0.5V @ 150mA
60dB (100Hz ~ 1kHz)
Over Current, Over Temperature
AP2204
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
24V
Fixed
SC-74A, SOT-753
SOT-23-5
2.5 mA
RFQ
SPX1583T5-L/TR
MaxLinear, Inc.
IC REG LIN POS ADJ 1.5A TO263-5
In magazzino16990 pcs
-
Positive
-
1.25V
6V
1
1.5A
0.5V @ 1.5A
80dB (120Hz)
Over Current, Over Temperature, Reverse Polarity, Transient Voltage
-
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
6V
Adjustable
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
TO-263-5
-
RFQ
LM317LZ
onsemi
IC REG LIN POS ADJ 100MA TO92-3
In magazzino15120 pcs
10 mA
Positive
-
1.2V
37V
1
100mA
-
80dB (120Hz)
Over Current, Over Temperature, Short Circuit
LM317
Bulk
-
0°C ~ 125°C
Through Hole
40V
Adjustable
TO-226-3, TO-92-3 (TO-226AA)
TO-92-3
-
RFQ
TPS7B8550QWDRCRQ1
Texas Instruments
AUTOMOTIVE 150-MA, 40-V, LOW-DRO
In magazzino44742 pcs
26 µA
Positive
Enable
5V
-
1
150mA
0.225V @ 150mA
55dB (1kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
TPS7B8550
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 150°C (TJ)
Surface Mount, Wettable Flank
40V
Fixed
10-VFDFN Exposed Pad
10-VSON (3x3)
-
RFQ
NCP703SN28T1G
onsemi
IC REG LINEAR 2.8V 300MA 5TSOP
In magazzino77640 pcs
20 µA
Positive
Enable
2.8V
-
1
300mA
0.3V @ 300mA
-
Over Current, Over Temperature, Soft Start, Under Voltage Lockout (UVLO)
NCP703
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
5-TSOP
-
RFQ
MIC39150-2.5WT
Microchip Technology
IC REG LINEAR 2.5V 1.5A TO220-3
In magazzino17521 pcs
-
Positive
-
2.5V
-
1
1.5A
0.5V @ 1.5A
-
Over Current, Over Temperature, Reverse Polarity
MIC39150
Tube
-
-40°C ~ 125°C
Through Hole
16V
Fixed
TO-220-3
TO-220-3
-
RFQ
LM317MDT-TR
STMicroelectronics
IC REG LINEAR POS ADJ 500MA DPAK
In magazzino74570 pcs
10 mA
Positive
-
1.2V
37V
1
500mA
-
80dB ~ 65dB (120Hz)
Over Current, Over Temperature, Short Circuit
LM317
Tape & Reel (TR)
-
0°C ~ 125°C (TJ)
Surface Mount
40V
Adjustable
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
-
RFQ
TPS72730DSER
Texas Instruments
IC REG LINEAR 3V 250MA 6WSON
In magazzino61740 pcs
110 µA
Positive
Enable
3V
-
1
250mA
0.2V @ 200mA
85dB ~ 45dB (10Hz ~ 1MHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
TPS72730
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
6-WFDFN
6-WSON (1.5x1.5)
130 µA
RFQ
TPS73125MDBVREP
Texas Instruments
IC REG LINEAR 2.5V 150MA SOT23-5
In magazzino15958 pcs
550 µA
Positive
Enable
2.5V
-
1
150mA
0.1V @ 150mA
58dB ~ 37dB (100Hz ~ 10kHz)
Over Current, Over Temperature, Short Circuit, Reverse Polarity
TPS73125
Tape & Reel (TR)
-
-55°C ~ 125°C
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
750 µA
RFQ
TLV73325PDQNT
Texas Instruments
IC REG LINEAR 2.5V 300MA 4X2SON
In magazzino63840 pcs
60 µA
Positive
Enable
2.5V
-
1
300mA
0.29V @ 300mA
68dB ~ 28dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
TLV73325
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-X2SON (1x1)
-
RFQ