LT3033EUDC#PBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 3A 20QFN
במלאי7139 pcs
3.5 mA
Positive
Enable, Power Good
0.2V
9.7V
1
3A
0.24V @ 3A
60dB ~ 52dB (120Hz ~ 1MHz)
Over Current, Over Temperature, Reverse Polarity
LT3033
Tube
-
-40°C ~ 125°C
Surface Mount
10V
Adjustable
20-WFQFN Exposed Pad
20-QFN (3x4)
60 mA
RFQ
LD1085D2M18R
STMicroelectronics
IC REG LINEAR 1.8V 3A D2PAK-3
במלאי37035 pcs
10 mA
Positive
-
1.8V
-
1
3A
1.5V @ 3A
72dB (120Hz)
Over Current, Over Temperature
LD1085
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
30V
Fixed
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
D2PAK-3
-
RFQ
L79L15ACD13TR
STMicroelectronics
IC REG LINEAR -15V 100MA 8SO
במלאי247960 pcs
6 mA
Negative
-
-15V
-
1
100mA
-
39dB (120Hz)
Over Temperature, Short Circuit
L79L15
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
-35V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
6.5 mA
RFQ
NCP502SQ35T1G
onsemi
IC REG LINEAR 3.5V 80MA SC88A
במלאי12310 pcs
40 µA
Positive
Enable
3.5V
-
1
80mA
1.2V @ 80mA
55dB (1kHz)
Over Current, Over Temperature
NCP502
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
12V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-88A (SC-70-5/SOT-353)
90 µA
RFQ
MIC5365-3.3YD5-TR
Microchip Technology
IC REG LIN 3.3V 150MA TSOT23-5
במלאי257840 pcs
39 µA
Positive
Enable
3.3V
-
1
150mA
0.31V @ 150mA
80dB ~ 65dB (1kHz ~ 10kHz)
Over Current, Over Temperature
MIC5365
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
-
RFQ
IRU1206-25CDTR
Infineon Technologies
IC REG LINEAR 2.5V 1A DPAK
במלאי10920 pcs
3 mA
Positive
-
2.5V
-
1
1A
0.65V @ 1A
-
Over Current, Over Temperature
IRU1206-25CD
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
12V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
D-Pak
50 mA
RFQ
ZSR1000GTA
Diodes Incorporated
IC REG LINEAR 10V 200MA SOT223
במלאי16760 pcs
600 µA
Positive
-
10V
-
1
200mA
-
57dB (120Hz)
Over Temperature, Short Circuit
ZSR1000
Tape & Reel (TR)
-
-55°C ~ 125°C
Surface Mount
20V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
ADP3330ARTZ-3-RL7
Analog Devices Inc.
IC REG LINEAR 3V 200MA SOT23-6
במלאי15329 pcs
50 µA
Positive
Error Flag, Shutdown
3V
-
1
200mA
0.23V @ 200mA
-
Over Current, Over Temperature
ADP3330
Tape & Reel (TR)
anyCAP®
-40°C ~ 85°C (TA)
Surface Mount
12V
Fixed
SOT-23-6
SOT-23-6
4 mA
RFQ
RT9047GG5
Richtek USA Inc.
IC REG LINEAR POS ADJ 1A SOT223
במלאי5530 pcs
600 µA
Positive
Enable
1.2V
5.2V
1
1A
0.2V @ 1A
55dB ~ 35dB (100Hz ~ 10kHz)
Over Current, Over Temperature
-
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Adjustable
SOT-223-6
SOT-223-5
800 µA
RFQ
NCP114AMX075TCG
onsemi
IC REG LINEAR 0.75V 300MA 4UDFN
במלאי445780 pcs
95 µA
Positive
Enable
0.75V
-
1
300mA
-
75dB (1kHz)
Over Current, Over Temperature
NCP114
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
4-UDFN Exposed Pad
4-UDFN (1.0x1.0)
-
RFQ
NJM2872BF25-TE1
Nisshinbo Micro Devices Inc.
IC REG LINEAR 2.5V 150MA SOT23-5
במלאי104110 pcs
180 µA
Positive
Enable
2.5V
-
1
150mA
0.1V @ 60mA
75dB (1kHz)
Over Current, Short Circuit
NJM2872
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
14V
Fixed
SC-74A, SOT-753
SOT-23-5 (MTP5)
-
RFQ
BA50JC5T
Rohm Semiconductor
IC REG LINEAR 5V 1.5A TO220FP
במלאי27360 pcs
0.5 mA
Positive
-
5V
-
1
1.5A
0.5V @ 500mA
55dB (120Hz)
Over Current, Over Temperature
BA50JC5
Tube
-
-40°C ~ 105°C
Through Hole
16V
Fixed
TO-220-3 Full Pack
TO-220FP
900 µA
RFQ
LP3874EMP-5.0
Texas Instruments
IC REG LINEAR 5V 800MA SOT223-5
במלאי8570 pcs
9 mA
Positive
Enable
5V
-
1
800mA
0.35V @ 800mA
73dB ~ 57dB (120Hz)
Over Current, Over Temperature, Short Circuit
LP3874
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
7V
Fixed
TO-261-5, TO-261AB
SOT-223-5
15 mA
RFQ
LM9071S
Texas Instruments
IC REG LIN 5V 250MA DDPAK/TO263
במלאי10900 pcs
4 mA
Positive
-
5V
-
1
250mA
0.8V @ 250mA
60dB (120Hz)
Over Temperature, Over Voltage, Reverse Polarity, Short Circuit
LM9071
Tube
-
-40°C ~ 125°C
Surface Mount
26V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
DDPAK/TO-263-5
50 mA
RFQ
TPS77533DR
Texas Instruments
IC REG LINEAR 3.3V 500MA 8SOIC
במלאי22701 pcs
125 µA
Positive
Enable, Reset
3.3V
-
1
500mA
0.29V @ 500mA
60dB (100Hz)
Over Current, Over Temperature, Reverse Polarity
TPS77533
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
10V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
-
RFQ
LT1965EMS8E#PBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 1.1A 8MSOP
במלאי9330 pcs
1.1 mA
Positive
Enable
1.2V
19.5V
1
1.1A
0.49V @ 1.1A
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT1965
Tube
-
-40°C ~ 125°C
Surface Mount
20V
Adjustable
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
8-MSOP-EP
40 mA
RFQ
RT9020-25GU5
Richtek USA Inc.
IC REG LINEAR 2.5V 500MA SC70-5
במלאי6700 pcs
50 µA
Positive
Enable, Soft Start
2.5V
-
1
500mA
0.32V @ 400mA
55dB (10kHz)
Over Current, Over Temperature
RT9020
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
-
RFQ
XC6219B332MR
UMW
300MA 40DB@(1KHZ) 280MV@(100MA)
במלאי332900 pcs
-
Positive
Current Limit, Enable
3.3V
-
1
300mA
0.28V @ 100mA
40dB (1kHz)
Over Current, Short Circuit
-
Tape & Reel (TR)
XC6219
-20°C ~ 60°C
Surface Mount
7V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
RT9193-20GB
Richtek USA Inc.
IC REG LINEAR 2V 300MA SOT23-5
במלאי9290 pcs
130 µA
Positive
Enable
2V
-
1
300mA
-
70dB ~ 50dB (100Hz ~ 10kHz)
Over Current, Over Temperature
RT9193
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
L4989D013TR
STMicroelectronics
IC REG LINEAR 5V 150MA 8SO
במלאי17260 pcs
69 µA
Positive
Enable, Reset Output, Watchdog
5V
-
1
150mA
0.4V @ 150mA
55dB (100Hz)
Over Temperature, Short Circuit
L4989
Tape & Reel (TR)
-
-40°C ~ 150°C
Surface Mount
31V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
2 mA
RFQ
BD3575HFP-TR
Rohm Semiconductor
IC REG LIN POS ADJ 500MA HRP-5
במלאי15544 pcs
30 µA
Positive
Enable
2.8V
12V
1
500mA
0.48V @ 200mA
55dB (120Hz)
Over Current, Over Temperature
BD3575
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
36V
Adjustable
HRP-5 (5 Leads + Tab)
HRP-5
50 µA
RFQ
ADP3339AKCZ-3.3-RL
Analog Devices Inc.
IC REG LINEAR 3.3V 1.5A SOT223-3
במלאי14820 pcs
200 µA
Positive
-
3.3V
-
1
1.5A
0.48V @ 1.5A
-
Over Current, Over Temperature
ADP3339
Tape & Reel (TR)
anyCAP®
-40°C ~ 85°C (TA)
Surface Mount
6V
Fixed
TO-261-4, TO-261AA
SOT-223-3
40 mA
RFQ
SG7812AIG
Microchip Technology
IC REG LINEAR 12V 1.5A TO257
במלאי8880 pcs
-
Positive
Current Limit, Enable
12V
-
1
1.5A
2.5V @ 500mA
61dB (120Hz)
Over Current, Over Temperature
SG7812
Bulk
Military, MIL-STD-883
-55°C ~ 125°C (TA)
Through Hole
50V
Fixed
TO-257-3
TO-257
7 mA
RFQ
L78L08ACUTR
STMicroelectronics
IC REG LINEAR 8V 100MA SOT89-3
במלאי133850 pcs
5.5 mA
Positive
-
8V
-
1
100mA
-
45dB (120Hz)
Over Current, Over Temperature, Short Circuit
L78L08
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
30V
Fixed
TO-243AA
SOT-89-3
6 mA
RFQ
AZ1117H-1.5TRE1
Diodes Incorporated
IC REG LINEAR 1.5V 1A SOT223
במלאי585300 pcs
10 mA
Positive
-
1.5V
-
1
1A
1.25V @ 1A
75dB (120Hz)
Thermal Shutdown
AZ1117
Tape & Reel (TR)
AZ1117
-40°C ~ 125°C (TJ)
Surface Mount
15V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
MIC5236YMM-TR
Microchip Technology
IC REG LIN POS ADJ 150MA 8MSOP
במלאי12679 pcs
30 µA
Positive
Enable
1.24V
20V
1
150mA
0.5V @ 150mA
-
Load Dump, Over Current, Over Temperature, Over Voltage, Reverse Polarity
MIC5236
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
30V
Adjustable
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
5 mA
RFQ
LM7905CT
onsemi
IC REG LINEAR -5V 1A TO220-3
במלאי14180 pcs
6 mA
Negative
-
-5V
-
1
1A
2V @ 1A (Typ)
60dB (120Hz)
Over Temperature, Short Circuit
LM790
Tube
-
0°C ~ 125°C
Through Hole
-35V
Fixed
TO-220-3
TO-220-3
-
RFQ
SPX1582T5-L-2-5
MaxLinear, Inc.
IC REG LINEAR 2.5V 3A TO263-5
במלאי7450 pcs
-
Positive
-
2.5V
-
1
3A
0.5V @ 3A
80dB (120Hz)
Over Current, Over Temperature, Reverse Polarity, Transient Voltage
-
Tube
-
0°C ~ 125°C
Surface Mount
6V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
TO-263-5
-
RFQ
TPS71550QDCKRQ1
Texas Instruments
IC REG LINEAR 5V 50MA SC70-5
במלאי117160 pcs
12 µA
Positive
-
5V
-
1
50mA
0.75V @ 50mA
60dB (100kHz)
Over Current, Reverse Polarity
TPS71550
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
24V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
-
RFQ
NJM2846DL3-33-TE1
Nisshinbo Micro Devices Inc.
IC REG LINEAR 3.3V 800MA TO252-5
במלאי61300 pcs
600 µA
Positive
Enable
3.3V
-
1
800mA
0.28V @ 500mA
75dB (1kHz)
Over Temperature, Short Circuit
NJM2846
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
14V
Fixed
TO-252-6, DPak (5 Leads + Tab)
TO-252-5
-
RFQ
MIC5209-1.8BM
Microchip Technology
IC REG LINEAR 1.8V 500MA 8SOIC
במלאי13990 pcs
170 µA
Positive
Enable
1.8V
-
1
500mA
0.6V @ 500mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
MIC5209
Tube
-
0°C ~ 125°C
Surface Mount
16V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
25 mA
RFQ
MPQ2013AGJE-33-AEC1C672-Z
Monolithic Power Systems Inc.
IC REG LIN 3.3V 150MA TSOT23-4
במלאי10740 pcs
50 µA
Positive
Enable
3.3V
-
1
150mA
1.1V @ 150mA
58dB ~ 41dB (100Hz ~ 1kHz)
Over Current, Over Temperature
MPQ2013
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TJ)
Surface Mount
40V
Fixed
SOT-23-4 Thin, TSOT-23-4
TSOT-23-4
-
RFQ
LT3020EMS8-1.2#TRPBF
Analog Devices Inc.
IC REG LINEAR 1.2V 100MA 8MSOP
במלאי11208 pcs
250 µA
Positive
Enable
1.2V
-
1
100mA
0.285V @ 100mA
60dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3020
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
10V
Fixed
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
8-MSOP
3.5 mA
RFQ
ADP3338AKCZ-5-R7
Analog Devices Inc.
IC REG LINEAR 5V 1A SOT223-3
במלאי17232 pcs
190 µA
Positive
-
5V
-
1
1A
0.4V @ 1A
-
Over Current, Over Temperature
ADP3338
Tape & Reel (TR)
anyCAP®
-40°C ~ 85°C (TA)
Surface Mount
8V
Fixed
TO-261-4, TO-261AA
SOT-223-3
30 mA
RFQ
LP2985A-30DBVT
Texas Instruments
IC REG LINEAR 3V 150MA SOT23-5
במלאי40720 pcs
95 µA
Positive
Enable
3V
-
1
150mA
0.58V @ 150mA
45dB (1kHz)
Over Current, Over Temperature, Short Circuit
LP2985
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
2.5 mA
RFQ
MAX8877EZK42+TGF4
Analog Devices Inc./Maxim Integrated
IC REG LIN 4.2V 150MA TSOT23-5
במלאי12810 pcs
180 µA
Positive
Enable
4.2V
-
1
150mA
0.165V @ 150mA (Typ)
-
Over Current, Over Temperature, Reverse Polarity, Short Circuit
MAX8877
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
100 µA
RFQ
MIC39150-1.8BU
Microchip Technology
IC REG LINEAR 1.8V 1.5A TO263-3
במלאי9340 pcs
-
Positive
-
1.8V
-
1
1.5A
0.5V @ 1.5A
-
Over Current, Over Temperature, Reverse Polarity
MIC39150-1.8
Tube
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
TO-263-3
-
RFQ
RT9011-CJGJ6
Richtek USA Inc.
IC REG LINEAR 1.2V/2.5V TSOT23-6
במלאי13970 pcs
80 µA
Positive
Enable
1.2V, 2.5V
-
2
300mA, 300mA
0.33V @ 300mA, 0.33V @ 300mA
70dB ~ 38dB (100Hz ~ 300kHz)
Over Current, Over Temperature, Short Circuit
RT9011
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
SOT-23-6 Thin, TSOT-23-6
TSOT-23-6
-
RFQ
LT3086EFE#PBF
Analog Devices Inc.
IC REG LIN POS ADJ 2.1A 16TSSOP
במלאי8079 pcs
2.4 mA
Positive
Current Limit, Enable, Power Good, Tracking
0.4V
32V
1
2.1A
0.54V @ 2.1A
80dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3086
Tube
-
-40°C ~ 125°C
Surface Mount
40V
Adjustable
16-TSSOP (0.173', 4.40mm Width) Exposed Pad
16-TSSOP-EP
88 mA
RFQ
MIC49500WU
Microchip Technology
IC REG LINEAR POS ADJ 5A TO263-7
במלאי8340 pcs
90 mA
Positive
Enable
0.7V
6V
1
5A
0.5V @ 5A
-
Over Current, Over Temperature
MIC4950
Bulk
-
-40°C ~ 125°C
Surface Mount
6V
Adjustable
TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
TO-263-7
130 mA
RFQ
LP2980AIM5-3.3
Texas Instruments
IC REG LINEAR 3.3V 50MA SOT23-5
במלאי50510 pcs
95 µA
Positive
Enable
3.3V
-
1
50mA
0.22V @ 50mA
63dB (1kHz)
Over Current, Over Temperature, Short Circuit
LP2980
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
1.2 mA
RFQ
RP154L002B-E2
Nisshinbo Micro Devices Inc.
IC REG LIN 1.8V/2.8V 300MA 8DFN
במלאי61730 pcs
75 µA
Positive
Enable
1.8V, 2.8V
-
2
300mA, 300mA
0.39V @ 300mA, 0.3V @ 300mA
75dB (1kHz)
Over Current
RP154
Tape & Reel (TR)
RP154x
-40°C ~ 85°C (TA)
Surface Mount
5.25V
Fixed
8-XFDFN Exposed Pad
DFN1216-8
-
RFQ
MAX8888EZK18/V+T
Analog Devices Inc./Maxim Integrated
IC REG LIN 1.8V 300MA TSOT23-5
במלאי3800 pcs
100 µA
Positive
Enable, Power Good
1.8V
-
1
300mA
-
40dB (1kHz)
Over Current, Over Temperature, Short Circuit
MAX8888
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
65 µA
RFQ
AP7315-33W5-7
Diodes Incorporated
IC REG LINEAR 3.3V 150MA SOT25
במלאי324320 pcs
60 µA
Positive
Enable
3.3V
-
1
150mA
0.29V @ 150mA
75dB (1kHz)
Over Current
AP7315
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.25V
Fixed
SC-74A, SOT-753
SOT-25
100 µA
RFQ
S-1167B18-I6T2G
ABLIC Inc.
IC REG LINEAR 1.8V 150MA SNT6A
במלאי11900 pcs
900 nA
Positive
Enable
1.8V
-
1
150mA
0.58V @ 100mA
70dB (1kHz)
Over Current
-
Tape & Reel (TR)
S-1167
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
6-SMD, Flat Leads
SNT-6A
16 µA
RFQ
LK112M32TR
STMicroelectronics
IC REG LINEAR 3.2V 150MA SOT23-5
במלאי5920 pcs
250 µA
Positive
Enable
3.2V
-
1
150mA
0.35V @ 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
MIC5212-SJYM
Microchip Technology
IC REG LINEAR 2.5V/3.3V 8SOIC
במלאי27596 pcs
3 mA
Positive
-
2.5V, 3.3V
-
2
500mA, 500mA
0.6V @ 500mA, 0.6V @ 500mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
MIC5212
Tube
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
25 mA
RFQ
L78L05ACZ
STMicroelectronics
IC REG LINEAR 5V 100MA TO92-3
במלאי223650 pcs
5.5 mA
Positive
-
5V
-
1
100mA
-
49dB (120Hz)
Over Current, Over Temperature, Short Circuit
L78L05
Bulk
-
0°C ~ 125°C
Through Hole
30V
Fixed
TO-226-3, TO-92-3 (TO-226AA)
TO-92-3
6 mA
RFQ
TPS75801KTTT
Texas Instruments
IC REG LIN POS ADJ 3A DDPAK
במלאי12750 pcs
200 µA
Positive
Enable
1.225V
5V
1
3A
-
62dB (100Hz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS758
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
DDPAK/TO-263-5
-
RFQ
ADP151ACBZ-2.5-R7
Analog Devices Inc.
IC REG LINEAR 2.5V 200MA 4WLCSP
במלאי78310 pcs
20 µA
Positive
Enable
2.5V
-
1
200mA
0.2V @ 200mA
-
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
ADP151
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
4-WFBGA, WLCSP
4-WLCSP (0.76x0.76)
350 µA
RFQ