LT3008MPTS8#TRPBF
Analog Devices Inc.
IC REG LIN POS ADJ 20MA TSOT23-8
Stokta var6864 pcs
6 µA
Positive
Enable
0.6V
44.5V
1
20mA
0.5V @ 20mA
70dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3008
Tape & Reel (TR)
-
-55°C ~ 125°C
Surface Mount
45V
Adjustable
SOT-23-8 Thin, TSOT-23-8
TSOT-23-8
1.2 mA
RFQ
LT1963AEQ-3.3#TRPBF
Analog Devices Inc.
IC REG LINEAR 3.3V 1.5A 5DDPAK
Stokta var7508 pcs
1.5 mA
Positive
Enable
3.3V
-
1
1.5A
0.55V @ 1.5A
63dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT1963
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
5-DDPAK
120 mA
RFQ
S-817A25APF-CUOTFG
ABLIC Inc.
IC REG LINEAR 2.5V 35MA SNT4A
Stokta var14760 pcs
2.5 µA
Positive
-
2.5V
-
1
35mA
0.51V @ 10mA
-
Short Circuit
-
Tape & Reel (TR)
S-817
-40°C ~ 85°C (TA)
Surface Mount
10V
Fixed
4-SMD, Flat Leads
SNT-4A
-
RFQ
BA7806FP-E2
Rohm Semiconductor
IC REG LINEAR 6V 1A TO252-3
Stokta var57330 pcs
8 mA
Positive
-
6V
-
1
1A
2V @ 1A (Typ)
73dB (120Hz)
Over Current, Over Temperature
BA7806
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
21V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252-3
800 µA
RFQ
MC7824BTG
onsemi
IC REG LINEAR 24V 1A TO220AB
Stokta var166680 pcs
8 mA
Positive
-
24V
-
1
1A
2V @ 1A (Typ)
61dB (120Hz)
Over Temperature, Short Circuit
MC7824
Tube
-
-40°C ~ 125°C
Through Hole
40V
Fixed
TO-220-3
TO-220
-
RFQ
LP3961EMP-2.5
Texas Instruments
IC REG LIN 2.5V 800MA SOT223-5
Stokta var9128 pcs
9 mA
Positive
Enable
2.5V
-
1
800mA
0.35V @ 800mA
-
Over Current, Over Temperature, Short Circuit
LP3961
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
7V
Fixed
TO-261-5, TO-261AB
SOT-223-5
15 mA
RFQ
LM7918CT
onsemi
IC REG LINEAR -18V 1A TO220-3
Stokta var8340 pcs
6 mA
Negative
-
-18V
-
1
1A
2V @ 1A (Typ)
60dB (120Hz)
Over Temperature, Short Circuit
LM791
Tube
-
0°C ~ 125°C
Through Hole
-35V
Fixed
TO-220-3
TO-220-3
-
RFQ
S-812C33AUA-C2NT2G
ABLIC Inc.
IC REG LINEAR 3.3V 50MA SOT89-3
Stokta var49480 pcs
500 nA
Positive
-
3.3V
-
1
50mA
0.41V @ 10mA
-
-
S-812
Tape & Reel (TR)
S-812C
-40°C ~ 85°C (TA)
Surface Mount
16V
Fixed
TO-243AA
SOT-89-3
1.8 µA
RFQ
MPQ2029GN-Z
Monolithic Power Systems Inc.
IC REG LIN POS ADJ 450MA 8SOIC
Stokta var39467 pcs
15 µA
Positive
Enable, Power Good
1.25V
15V
1
450mA
1.3V @ 450mA
57dB ~ 51dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Short Circuit
MPQ2029
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TA)
Surface Mount
40V
Adjustable
8-SOIC (0.154", 3.90mm Width) Exposed Pad
8-SOIC-EP
95 µA
RFQ
BD25KA5WF-E2
Rohm Semiconductor
IC REG LINEAR 2.5V 500MA 8SOP
Stokta var37210 pcs
550 µA
Positive
Enable
2.5V
-
1
500mA
0.2V @ 200mA
50dB (120Hz)
Over Current, Over Temperature, Soft Start
BD25KA5
Tape & Reel (TR)
-
-40°C ~ 105°C
Surface Mount
5.5V
Fixed
8-SOIC (0.173", 4.40mm Width)
8-SOP
550 µA
RFQ
RT9011-QQGQWC
Richtek USA Inc.
IC REG LINEAR 3.1V/3.1V 6WDFN
Stokta var14550 pcs
80 µA
Positive
Enable
3.1V, 3.1V
-
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
6-WFDFN Exposed Pad
6-WDFN (1.6x1.6)
-
RFQ
S-817A18APF-CUHTFG
ABLIC Inc.
IC REG LINEAR 1.8V 20MA SNT4A
Stokta var4460 pcs
2.5 µA
Positive
-
1.8V
-
1
20mA
0.99V @ 10mA
-
Short Circuit
-
Tape & Reel (TR)
S-817
-40°C ~ 85°C (TA)
Surface Mount
10V
Fixed
4-SMD, Flat Leads
SNT-4A
-
RFQ
BA06CC0FP-E2
Rohm Semiconductor
IC REG LINEAR 6V 1A TO252-3
Stokta var59080 pcs
2.5 mA
Positive
-
6V
-
1
1A
-
55dB (120Hz)
Over Current, Over Temperature, Over Voltage
BA06CC0
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
25V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252
5 mA
RFQ
KF15BDT-TR
STMicroelectronics
IC REG LINEAR 1.5V 500MA DPAK
Stokta var17140 pcs
1 mA
Positive
-
1.5V
-
1
500mA
1V @ 200mA (Typ)
82dB ~ 60dB (120Hz ~ 10kHz)
Over Current, Over Temperature
KF15
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
12 mA
RFQ
RP150K001A-TR
Nisshinbo Micro Devices Inc.
IC REG LINEAR POS ADJ 300MA 8DFN
Stokta var60850 pcs
33 µA
Positive
Enable
1.5V
3.3V
2
300mA, 300mA
1V @ 300mA
80dB (1kHz)
Over Current
RP150
Tape & Reel (TR)
RP150K
-40°C ~ 85°C
Surface Mount
5.25V
Adjustable
8-UFDFN Exposed Pad
DFN(PL)2020-8
-
RFQ
TC2186-3.3VCTTR
Microchip Technology
IC REG LINEAR 3.3V 150MA SOT23-5
Stokta var55830 pcs
80 µA
Positive
Enable
3.3V
-
1
150mA
0.21V @ 150mA
50dB (100kHz)
Over Current, Over Temperature
TC2186
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
TPS71257DRCR
Texas Instruments
IC REG LINEAR 2.85V 250MA 10VSON
Stokta var32375 pcs
250 µA
Positive
Enable, Power Good
2.85V
-
2
250mA
0.4V @ 500mA
59dB ~ 54dB (120Hz)
Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS71257
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
10-VFDFN Exposed Pad
10-VSON (3x3)
600 µA
RFQ
ADP7112ACBZ-1.2-R7
Analog Devices Inc.
IC REG LIN POS ADJ 200MA 6WLCSP
Stokta var38150 pcs
140 µA
Positive
Enable, Soft Start
1.2V
19V
1
200mA
-
-
Over Current, Over Temperature
ADP7112
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Adjustable (Fixed)
6-XFBGA, WLCSP
6-WLCSP (0.95x1.16)
320 µA
RFQ
KA317TU
onsemi
IC REG LIN POS ADJ 1.5A TO220-3
Stokta var16260 pcs
-
Positive
-
1.2V
37V
1
1.5A
-
75dB ~ 60dB (120Hz)
Over Temperature, Short Circuit
KA317
Tube
-
0°C ~ 125°C
Through Hole
40V
Adjustable
TO-220-3
TO-220-3
-
RFQ
LP2987AILD-3.3
Texas Instruments
IC REG LINEAR 3.3V 200MA 8WSON
Stokta var16300 pcs
120 µA
Positive
Enable
3.3V
-
1
200mA
0.35V @ 200mA
65dB (1kHz)
Over Current, Over Temperature, Short Circuit
LP2987
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
8-WDFN Exposed Pad
8-WSON (4x4)
3.7 mA
RFQ
BA60BC0WFP-E2
Rohm Semiconductor
IC REG LINEAR 6V 1A TO252-5
Stokta var51790 pcs
0.5 mA
Positive
Enable
6V
-
1
1A
-
55dB (120Hz)
Over Current, Over Temperature
BA60BC0
Tape & Reel (TR)
-
-40°C ~ 105°C
Surface Mount
16V
Fixed
TO-252-5, DPak (4 Leads + Tab), TO-252AD
TO-252-5
900 µA
RFQ
ADP3330ARTZ-3.6-R7
Analog Devices Inc.
IC REG LINEAR 3.6V 200MA SOT23-6
Stokta var25557 pcs
50 µA
Positive
Error Flag, Shutdown
3.6V
-
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
R1524H050B-T1-KE
Nisshinbo Micro Devices Inc.
IC REG LINEAR 5V 200MA SOT89-5
Stokta var25099 pcs
6.5 µA
Positive
Enable
5V
-
1
200mA
1.2V @ 200mA
-
Over Current, Over Temperature, Short Circuit
R1524
Tape & Reel (TR)
R1524x
-40°C ~ 105°C (TA)
Surface Mount
36V
Fixed
SOT-89-5/6
SOT-89-5
-
RFQ
TLV1117-18IDCYRG3
Texas Instruments
IC REG LIN 1.8V 800MA SOT223-4
Stokta var119890 pcs
-
Positive
-
1.8V
-
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
LP2951CMMX-3.3
Texas Instruments
IC REG LIN POS ADJ 100MA 8VSSOP
Stokta var7900 pcs
120 µA
Positive
Enable
1.235V (3.3V)
29V
1
100mA
0.6V @ 100mA
-
Over Current, Over Temperature, Short Circuit
LP2951
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
30V
Adjustable (Fixed)
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-VSSOP
14 mA
RFQ
TLV70533YFPT
Texas Instruments
IC REG LINEAR 3.3V 200MA 4DSBGA
Stokta var50170 pcs
55 µA
Positive
Enable
3.3V
-
1
200mA
0.25V @ 200mA
80dB ~ 55dB (10kHz ~ 1MHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TLV705
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XFBGA, DSBGA
4-DSBGA
315 µA
RFQ
MPQ2013AGJE-33-AEC1C672-Z
Monolithic Power Systems Inc.
IC REG LIN 3.3V 150MA TSOT23-4
Stokta var10740 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
AS1358-BTTT-18
ams OSRAM
IC REG LIN 1.8V 150MA TSOT23-5
Stokta var8070 pcs
90 µA
Positive
Enable
1.8V
-
1
150mA
-
92dB ~ 62dB (1kHz ~ 100kHz)
Over Temperature
-
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
-
RFQ
MIC5203-3.6YM5
Micrel Inc.
IC REG LINEAR MICROCAP 80MA LDO
Stokta var239870 pcs
750 µA
Positive
Enable
3.6V
-
1
80mA
0.6V @ 80mA
-
Over Current, Over Temperature, Reverse Polarity
-
Bulk
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
3 mA
RFQ
LT3010HMS8E
Analog Devices Inc.
IC REG LINEAR POS ADJ 50MA 8MSOP
Stokta var12200 pcs
60 µA
Positive
Enable
1.275V
60V
1
50mA
0.55V @ 50mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Current, Reverse Polarity
-
Tube
-
-40°C ~ 140°C (TJ)
Surface Mount
80V
Adjustable
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
8-MSOP-EP
3.3 mA
RFQ
S-1133B50-U5T1G
ABLIC Inc.
IC REG LINEAR 5V 300MA SOT89-5
Stokta var75180 pcs
1 µA
Positive
Enable
5V
-
1
300mA
0.15V @ 100mA
60dB (1kHz)
Over Current, Thermal Shutdown
S-1133
Tape & Reel (TR)
S-1133
-40°C ~ 85°C (TA)
Surface Mount
10V
Fixed
SOT-89-5/6
SOT-89-5
90 µA
RFQ
TPS7201QD
Texas Instruments
IC REG LIN POS ADJ 250MA 8SOIC
Stokta var27011 pcs
80 µA
Positive
Enable
1.2V
9.75V
1
250mA
0.2V @ 350mA
85dB ~ 50dB (10Hz ~ 1MHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
TPS7201
Tube
-
-40°C ~ 125°C
Surface Mount
10V
Adjustable
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
NCV4269D2R2G
onsemi
IC REG LINEAR 5V 150MA 14SOIC
Stokta var13770 pcs
250 µA
Positive
Reset
5V
-
1
150mA
0.5V @ 100mA
-
Over Temperature, Reverse Polarity, Short Circuit
NCV4269
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
45V
Fixed
14-SOIC (0.154', 3.90mm Width)
14-SOIC
3 mA
RFQ
AP7311-33WG-7
Diodes Incorporated
IC REG LINEAR 3.3V 150MA SOT25
Stokta var277650 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
FAN2509S30X
onsemi
IC REG LINEAR 3V 50MA SOT23-5
Stokta var4520 pcs
50 µA
Positive
Enable
3V
-
1
50mA
0.075V @ 50mA
43dB (120Hz)
Over Temperature
FAN2509
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
ADP162AUJZ-3.0-R7
Analog Devices Inc.
IC REG LINEAR 3V 150MA TSOT5
Stokta var40660 pcs
1.25 µA
Positive
Enable
3V
-
1
150mA
-
-
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
ADP162
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
65 µA
RFQ
L7809CD2T-TR
STMicroelectronics
IC REG LINEAR 9V 1.5A D2PAK
Stokta var44170 pcs
8 mA
Positive
-
9V
-
1
1.5A
2V @ 1A (Typ)
55dB (120Hz)
Over Temperature, Short Circuit
L7809
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
35V
Fixed
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D2PAK
-
RFQ
TPS73233DBVRG4
Texas Instruments
IC REG LINEAR 3.3V 250MA SOT23-5
Stokta var13870 pcs
550 µA
Positive
Enable
3.3V
-
1
250mA
0.15V @ 250mA
58dB ~ 37dB (100Hz ~ 10kHz)
Over Current, Over Temperature, Short Circuit, Reverse Polarity
TPS732
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
950 µA
RFQ
RT9080-18GJ5
Richtek USA Inc.
IC REG LIN 1.8V 600MA TSOT23-5
Stokta var289960 pcs
4 µA
Positive
Enable
1.8V
-
1
600mA
0.83V @ 600mA
75dB (1kHz)
Over Current, Over Temperature
RT9080
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
-
RFQ
LF85CDT-TR
STMicroelectronics
IC REG LINEAR 8.5V 500MA DPAK
Stokta var37920 pcs
1.5 mA
Positive
-
8.5V
-
1
500mA
0.7V @ 500mA
72dB ~ 57dB (120Hz ~ 10kHz)
Over Current, Over Temperature
LF85
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
12 mA
RFQ
MCP1790-5002E/EB
Microchip Technology
IC REG LINEAR 5V 70MA 3DDPAK
Stokta var29555 pcs
130 µA
Positive
-
5V
-
1
70mA
1.3V @ 70mA
90dB ~ 75dB (100Hz ~ 1kHz)
Over Temperature, Short Circuit
MCP1790
Tube
-
-40°C ~ 125°C
Surface Mount
30V
Fixed
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
3-DDPAK
210 µA
RFQ
MIC5206-3.3YM5
Micrel Inc.
IC REG LINEAR 150MA LOW NOISE
Stokta var107010 pcs
150 µA
Positive
Enable, Error Flag
3.3V
-
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
SPX29301T5-L-5-0/TR
MaxLinear, Inc.
IC REG LINEAR 5V 3A TO263-5
Stokta var31933 pcs
-
Positive
Enable
5V
-
1
3A
0.8V @ 3A
-
Over Current, Reverse Polarity, Transient Voltage
SPX29301
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
TO-263-5
-
RFQ
MCP1702T-3602E/MB
Microchip Technology
IC REG LINEAR 3.6V 250MA SOT89-3
Stokta var57570 pcs
5 µA
Positive
-
3.6V
-
1
250mA
0.725V @ 250mA
44dB (100Hz)
Over Current, Over Temperature, Short Circuit
MCP1702
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
13.2V
Fixed
TO-243AA
SOT-89-3
-
RFQ
STLQ015XG33R
STMicroelectronics
IC REG LINEAR 3.3V 150MA SOT666
Stokta var15420 pcs
2.4 µA
Positive
Enable
3.3V
-
1
150mA
0.3V @ 150mA
40dB ~ 15dB (1kHz ~ 100kHz)
Over Current, Over Temperature
STLQ015
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SOT-563, SOT-666
SOT-666
-
RFQ
LM217MDT-TR
STMicroelectronics
IC REG LINEAR POS ADJ 500MA DPAK
Stokta var46260 pcs
-
Positive
-
1.2V
37V
1
500mA
-
80dB ~ 65dB (120Hz)
Over Temperature, Short Circuit
LM217
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
40V
Adjustable
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
-
RFQ
LP8340CLD-3.3
Texas Instruments
IC REG LINEAR FIXED LDO REG
Stokta var17360 pcs
100 µA
Positive
-
3.3V
-
1
1A
1V @ 1A
55dB (120Hz)
Over Current, Over Temperature
-
Bulk
-
0°C ~ 125°C
Surface Mount
10V
Fixed
6-WDFN Exposed Pad
6-WSON (2.92x3.29)
170 µA
RFQ
TPS78401DBVR
Texas Instruments
IC REG LIN POS ADJ 300MA SOT23-5
Stokta var131520 pcs
35 µA
Positive
Enable
1.2V
5.5V
1
300mA
0.3V @ 300mA
52dB ~ 30dB (1kHz ~ 1MHz)
Over Current, Over Temperature, UVLO
TPS78401
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Adjustable
SC-74A, SOT-753
SOT-23-5
-
RFQ
LT1761ES5-1.5#TRMPBF
Analog Devices Inc.
IC REG LIN 1.5V 100MA TSOT23-5
Stokta var14252 pcs
-
Positive
Enable
1.5V
-
1
100mA
0.45V @ 100mA
65dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT1761
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
-
RFQ
MIC2937A-3.3BU
Microchip Technology
IC REG LINEAR 3.3V 750MA TO263-3
Stokta var9240 pcs
300 µA
Positive
-
3.3V
-
1
750mA
-
-
Over Current, Over Temperature
MIC2937A-3.3
Tube
-
-40°C ~ 125°C
Surface Mount
26V
Fixed
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
TO-263-3
16 mA
RFQ