MIC29371-5.0BT
Microchip Technology
IC REG LINEAR 5V 750MA TO220-5
Trong kho15560 pcs
300 µA
Positive
Enable
5V
-
1
750mA
-
-
Over Current, Over Temperature
MIC29371-5.0
Tube
-
-40°C ~ 125°C
Through Hole
26V
Fixed
TO-220-5
TO-220-5
16 mA
RFQ
ADP7118WAUJZ-5.0-R7
Analog Devices Inc.
IC REG LINEAR 5V 200MA TSOT5
Trong kho24601 pcs
140 µA
Positive
Enable, Soft Start
5V
-
1
200mA
0.42V @ 200mA
88dB ~ 50dB (10kHz ~ 1MHz)
Over Current, Over Temperature
ADP7118
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
320 µA
RFQ
MC7908CD2TR4G
onsemi
IC REG LINEAR -8V 1A D2PAK
Trong kho4300 pcs
-
Negative
-
-8V
-
1
1A
1.3V @ 1A (Typ)
62dB (120Hz)
Over Current, Over Temperature
MC7908
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
-35V
Fixed
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D2PAK-3
-
RFQ
SP6205ER-L-2-5
MaxLinear, Inc.
IC REG LINEAR 2.5V 500MA 8DFN
Trong kho11720 pcs
100 µA
Positive
Enable
2.5V
-
1
500mA
-
67dB (1kHz)
Over Current, Over Temperature
-
Bulk
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
8-VFDFN Exposed Pad
8-DFN (2x3)
490 µA
RFQ
TPS74401MRGWREP
Texas Instruments
IC REG LINEAR POS ADJ 3A 20VQFN
Trong kho2940 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)
-
-55°C ~ 125°C
Surface Mount
5.5V
Adjustable
20-VQFN Exposed Pad
20-VQFN (5x5)
-
RFQ
MIC49500-0.9WR
Microchip Technology
IC REG LINEAR 0.9V 5A SPAK-7
Trong kho3996 pcs
90 mA
Positive
Enable
0.9V
-
1
5A
0.5V @ 5A
-
Over Current, Over Temperature
MIC49500
Tube
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SPak-7 (7 leads + Tab)
S-PAK-7
130 mA
RFQ
TLV1117-18IDCYR
Texas Instruments
IC REG LIN 1.8V 800MA SOT223-4
Trong kho83090 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
XC6219B182MR-G
Torex Semiconductor Ltd
IC REG LINEAR 1.8V 240MA SOT25
Trong kho126920 pcs
55 µA
Positive
Enable
1.8V
-
1
240mA
0.4V @ 100mA
70dB (1kHz)
Over Current, Short Circuit
XC6219
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-25-5
-
RFQ
S-1165B50MC-N7JTFG
ABLIC Inc.
IC REG LINEAR 5V 200MA SOT23-5
Trong kho98340 pcs
65 µA
Positive
Enable
5V
-
1
200mA
0.2V @ 200mA
70dB (1kHz)
Over Current
S-1165
Tape & Reel (TR)
S-1165
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
IRU1010-18CY
Infineon Technologies
IC REG LINEAR 1.8V 1A SOT223
Trong kho7640 pcs
-
Positive
-
1.8V
-
1
1A
1.3V @ 1A
70dB (120Hz)
Over Current, Over Temperature
IRU1010-18CY
Tube
-
0°C ~ 125°C
Surface Mount
7V
Fixed
TO-261-4, TO-261AA
SOT-223
-
RFQ
RP115L301D-E2
Nisshinbo Micro Devices Inc.
IC REG LINEAR 3V 1A SOT89-5
Trong kho85660 pcs
160 µA
Positive
Enable
3V
-
1
1A
0.18V @ 1A
75dB (1kHz)
Over Current, Over Temperature, Reverse Current
RP115
Tape & Reel (TR)
RP115x
-40°C ~ 85°C (TA)
Surface Mount
5.25V
Fixed
8-XFDFN Exposed Pad
DFN1216-8
-
RFQ
MIC39151-1.8BU
Microchip Technology
IC REG LINEAR 1.8V 1.5A TO263-5
Trong kho4420 pcs
-
Positive
Enable
1.8V
-
1
1.5A
0.5V @ 1.5A
-
Over Current, Over Temperature, Reverse Polarity
MIC39151-1.8
Bulk
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
TO-263-5
-
RFQ
TLV71318PQDBVRQ1
Texas Instruments
IC REG LINEAR 1.8V 150MA SOT23-5
Trong kho189950 pcs
75 µA
Positive
Enable
1.8V
-
1
150mA
0.7V @ 150mA
70dB ~ 55dB (100Hz ~ 1MHz)
Over Current, Over Temperature, Reverse Polarity, Short Circuit, Under Voltage Lockout (UVLO)
TLV713
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
MIC5209-3.6YM
Microchip Technology
IC REG LINEAR 3.6V 500MA 8SOIC
Trong kho23429 pcs
170 µA
Positive
Enable
3.6V
-
1
500mA
0.6V @ 500mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
MIC5209
Tube
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
25 mA
RFQ
TPS77030DBVT
Texas Instruments
IC REG LINEAR 3V 50MA SOT23-5
Trong kho38393 pcs
28 µA
Positive
Enable
3V
-
1
50mA
0.12V @ 50mA
60dB (1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS77030
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
10V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
TLE4267GMXUMA2
Infineon Technologies
IC REG LINEAR 5V 400MA DSO14-61
Trong kho16625 pcs
4 mA
Positive
Inhibit, Reset
5V
-
1
400mA
0.6V @ 400mA
54dB (100Hz)
Over Temperature, Over Voltage, Reverse Polarity, Short Circuit, Transient Voltage
TLE4267
Tape & Reel (TR)
Automotive, AEC-Q100, OPTIREG™
-40°C ~ 150°C
Surface Mount
40V
Fixed
14-SOIC (0.154", 3.90mm Width)
PG-DSO-14-61
80 mA
RFQ
LP2985A-29DBVR
Texas Instruments
IC REG LINEAR 2.9V 150MA SOT23-5
Trong kho69470 pcs
95 µA
Positive
Enable
2.9V
-
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
LDK320ADU120R
STMicroelectronics
IC REG LINEAR 12V 200MA SOT89
Trong kho101670 pcs
90 µA
Positive
-
12V
-
1
200mA
0.35V @ 200mA
88dB ~ 48dB (120Hz ~ 10kHz)
Over Current, Over Temperature
LDK320
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
18V
Fixed
TO-243AA
SOT-89
100 µA
RFQ
S-1167B28-I6T2G
ABLIC Inc.
IC REG LINEAR 2.8V 150MA SNT6A
Trong kho12810 pcs
900 nA
Positive
Enable
2.8V
-
1
150mA
0.3V @ 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
NJM2881F25-TE1
Nisshinbo Micro Devices Inc.
IC REG LINEAR 2.5V 300MA SOT23-5
Trong kho113100 pcs
180 µA
Positive
Enable
2.5V
-
1
300mA
0.1V @ 100mA
75dB (1kHz)
Over Current, Over Temperature, Short Circuit
NJM2881
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
14V
Fixed
SC-74A, SOT-753
SOT-23-5 (MTP5)
-
RFQ
LT1764AEFE#PBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 3A 16TSSOP
Trong kho6845 pcs
1.5 mA
Positive
Enable
1.21V
20V
1
3A
0.66V @ 3A
63dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT1764
Tube
-
-40°C ~ 125°C
Surface Mount
20V
Adjustable
16-TSSOP (0.173", 4.40mm Width) Exposed Pad
16-TSSOP-EP
200 mA
RFQ
ADP124ARHZ-3.0-R7
Analog Devices Inc.
IC REG LINEAR 3V 500MA 8MSOP
Trong kho21268 pcs
105 µA
Positive
Enable
3V
-
1
500mA
0.23V @ 500mA
60dB (10kHz ~ 100kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
ADP124
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
8-MSOP-EP
280 µA
RFQ
BU12TD3WG-TR
Rohm Semiconductor
IC REG LINEAR 1.2V 200MA 5SSOP
Trong kho227100 pcs
60 µA
Positive
Enable
1.2V
-
1
200mA
0.9V @ 200mA
70dB (1kHz)
Over Current, Over Temperature
BU12TD3
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
5-SSOP
-
RFQ
TPS72033QDRVRQ1
Texas Instruments
IC REG LINEAR 3.3V 350MA 6WSON
Trong kho63940 pcs
38 µA
Positive
Enable
3.3V
-
1
350mA
0.2V @ 350mA
85dB ~ 50dB (10Hz ~ 1MHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
TPS72033
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TJ)
Surface Mount
4.5V
Fixed
6-WDFN Exposed Pad
6-WSON (2x2)
80 µA
RFQ
HT7336-A
UMW
SOT-89 MONITORS & RESET CIRCUITS
Trong kho242700 pcs
3 µA
Positive
-
3.6V
-
1
150mA
0.8V @ 40mA
-
-
-
Tape & Reel (TR)
HT73xx-A
-25°C ~ 70°C
Surface Mount
12V
Fixed
TO-243AA
SOT-89-3
-
RFQ
LD29080PTR
STMicroelectronics
IC REG LINEAR POS ADJ 800MA PPAK
Trong kho43600 pcs
180 µA
Positive
Enable
1.23V
12.3V
1
800mA
0.7V @ 800mA
75dB (120Hz)
Over Current, Over Temperature
LD29080
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
13V
Adjustable
TO-252-5, DPak (4 Leads + Tab), TO-252AD
PPAK
35 mA
RFQ
LT3015EQ-12#PBF
Linear Technology
LT3015 - 1.5A, LOW NOISE, NEGATI
Trong kho8232 pcs
2.4 mA
Negative
Enable
-12V
-
1
1.5A
0.68V @ 1.5A
53dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
-
Bulk
-
-40°C ~ 125°C (TJ)
Surface Mount
-30V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
5-DDPAK
70 mA
RFQ
NCP4626DSN050T1G
onsemi
IC REG LINEAR 5V 300MA SOT23-5
Trong kho5150 pcs
100 µA
Positive
Enable
5V
-
1
300mA
0.75V @ 300mA
60dB (1kHz)
Over Current, Over Temperature, Short Circuit
NCP4626
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
MC7818CT
onsemi
IC REG LINEAR 18V 1A TO220AB
Trong kho8590 pcs
6.5 mA
Positive
-
18V
-
1
1A
2V @ 1A (Typ)
57dB (120Hz)
Over Temperature, Short Circuit
MC7818
Tube
-
0°C ~ 125°C
Through Hole
35V
Fixed
TO-220-3
TO-220
-
RFQ
SPX1587T-L-5-0
MaxLinear, Inc.
IC REG LINEAR 5V 3A TO263-3
Trong kho8970 pcs
10 mA
Positive
-
5V
-
1
3A
1.2V @ 3A
75dB (120Hz)
Over Current, Over Temperature
-
Tube
-
-40°C ~ 125°C
Surface Mount
10V
Fixed
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
TO-263-3
-
RFQ
MC78L12ACDG
onsemi
IC REG LINEAR 12V 100MA 8SOIC
Trong kho11070 pcs
6.5 mA
Positive
-
12V
-
1
100mA
-
42dB (120Hz)
Over Temperature, Short Circuit
MC78L12
Tube
-
0°C ~ 125°C
Surface Mount
35V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
-
RFQ
TPS73201MDBVREP
Texas Instruments
IC REG LIN POS ADJ 250MA SOT23-5
Trong kho15393 pcs
550 µA
Positive
Enable
1.2V
5.5V
1
250mA
0.15V @ 250mA
58dB ~ 37dB (100Hz ~ 10kHz)
Over Current, Over Temperature, Short Circuit, Reverse Polarity
TPS73201
Tape & Reel (TR)
-
-55°C ~ 125°C
Surface Mount
5.5V
Adjustable
SC-74A, SOT-753
SOT-23-5
950 µA
RFQ
TPS70912DBVR
Texas Instruments
IC REG LINEAR 1.2V 150MA SOT23-5
Trong kho59430 pcs
2.05 µA
Positive
Enable
1.2V
-
1
150mA
-
80dB ~ 52dB (10Hz ~ 1kHz)
Over Current, Over Temperature, Reverse Current, Under Voltage Lockout (UVLO)
TPS70912
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
30V
Fixed
SC-74A, SOT-753
SOT-23-5
350 µA
RFQ
PAM3101HCA330
Diodes Incorporated
IC REG LINEAR 3.3V 300MA SOT89-3
Trong kho11390 pcs
90 µA
Positive
Enable
3.3V
-
1
300mA
0.23V @ 300mA
70dB ~ 65dB (100Hz ~ 1kHz)
Over Current, Over Temperature, Short Circuit
-
Bulk
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
TO-243AA
SOT-89-3
90 µA
RFQ
R1501J033B-T1-FE
Nisshinbo Micro Devices Inc.
IC REG LINEAR 3.3V 1A TO252-5-P2
Trong kho55410 pcs
160 µA
Positive
Enable
3.3V
-
1
1A
1.125V @ 1A
60dB (1kHz)
Over Current, Over Temperature, Short Circuit
R1501
Tape & Reel (TR)
R1501x
-40°C ~ 105°C
Surface Mount
24V
Fixed
TO-252-6, DPak (5 Leads + Tab)
TO-252-5-P2
-
RFQ
AZ1117CH-1.5TRG1
Diodes Incorporated
IC REG LINEAR 1.5V 1A SOT223
Trong kho717750 pcs
6 mA
Positive
-
1.5V
-
1
1A
1.3V @ 800mA
70dB (120Hz)
Thermal Shutdown
AZ1117
Tape & Reel (TR)
AZ1117C
-20°C ~ 125°C (TJ)
Surface Mount
15V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
TPS79601DCQRG4
Texas Instruments
IC REG LINEAR POS ADJ 1A SOT223
Trong kho14450 pcs
385 µA
Positive
Enable
1.2V
5.5V
1
1A
-
59dB ~ 42dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS796
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
SOT-223-6
SOT-223-6
-
RFQ
TPS77301DGK
Texas Instruments
IC REG LIN POS ADJ 250MA 8VSSOP
Trong kho34598 pcs
125 µA
Positive
Enable, Reset
1.5V
5.5V
1
250mA
-
55dB (1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS77301
Tube
-
-40°C ~ 125°C
Surface Mount
10V
Adjustable
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-VSSOP
-
RFQ
NCV1117DT20RKG
onsemi
IC REG LINEAR 2V 1A DPAK
Trong kho14530 pcs
10 mA
Positive
-
2V
-
1
1A
1.2V @ 800mA
70dB (120Hz)
Over Current, Over Temperature
NCV1117
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TA)
Surface Mount
20V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
-
RFQ
NCP57302DSADJR4G
onsemi
IC REG LINEAR POS ADJ 3A D2PAK-5
Trong kho13650 pcs
-
Positive
Enable
1.24V
13V
1
3A
0.52V @ 3A
-
Over Current, Over Temperature, Reverse Polarity
NCP57302
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
13.5V
Adjustable
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
D2PAK-5
-
RFQ
ISL9000AIRKKZ-T
Renesas Electronics America Inc
IC REG LINEAR 2.85V/2.85V 10DFN
Trong kho25276 pcs
32 µA
Positive
Enable, Power On Reset
2.85V, 2.85V
-
2
300mA, 300mA
0.325V @ 300mA, 0.325V @ 300mA
-
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
ISL9000
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6.5V
Fixed
10-VFDFN Exposed Pad
10-DFN (3x3)
52 µA
RFQ
LP38693MPX-3.3
Texas Instruments
IC REG LIN 3.3V 500MA SOT223-5
Trong kho6670 pcs
55 µA
Positive
Enable
3.3V
-
1
500mA
0.55V @ 500mA
55dB (120Hz)
Over Temperature
LP38693
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
10V
Fixed
TO-261-5, TO-261AB
SOT-223-5
100 µA
RFQ
TPS78319DDCT
Texas Instruments
IC REG LINEAR 1.9V 150MA SOT23-5
Trong kho42020 pcs
800 nA
Positive
Enable
1.9V
-
1
150mA
-
40dB ~ 15dB (10Hz ~ 1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS783
Tape & Reel (TR)
-
-40°C ~ 105°C
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
SOT-23-THIN
8 µA
RFQ
NCV4276BDS50R4G
onsemi
IC REG LINEAR 5V 400MA D2PAK-5
Trong kho33206 pcs
200 µA
Positive
Enable
5V
-
1
400mA
0.5V @ 250mA
70dB (100Hz)
Over Temperature, Reverse Polarity, Short Circuit
NCV4276
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 150°C
Surface Mount
45V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
D2PAK-5
35 mA
RFQ
MIC5219-3.0YML
Micrel Inc.
IC REG LINEAR 500MA LDO REG
Trong kho93940 pcs
8 µA
Positive
Enable
3V
-
1
500mA
0.6V @ 500mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
-
Bulk
-
-40°C ~ 125°C
Surface Mount
12V
Fixed
6-VDFN Exposed Pad, 6-MLF®
6-DFN (2x2)
-
RFQ
S-818A25AMC-BGFT2G
ABLIC Inc.
IC REG LINEAR 2.5V 150MA SOT23-5
Trong kho79470 pcs
500 nA
Positive
Enable
2.5V
-
1
150mA
0.61V @ 60mA
45dB (100Hz)
-
S-818
Tape & Reel (TR)
S-818
-40°C ~ 85°C (TA)
Surface Mount
10V
Fixed
SC-74A, SOT-753
SOT-23-5
40 µA
RFQ
LDK120M11R
STMicroelectronics
IC REG LINEAR 1.1V 200MA SOT23-5
Trong kho92050 pcs
60 µA
Positive
Enable
1.1V
-
1
200mA
0.3V @ 200mA
55dB (120Hz ~ 10kHz)
Over Current, Over Temperature
LDK120
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
100 µA
RFQ
MIC5248-1.2YM5TR
Microchip Technology
150 MA MICROCAP CMOS LDO REGULAT
Trong kho189480 pcs
150 µA
Positive
Enable, Power Good
1.2V
-
1
150mA
-
60dB (120Hz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
-
Bulk
-
-40°C ~ 125°C (TJ)
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
150 µA
RFQ
MC7912BD2TG
onsemi
IC REG LINEAR -12V 1A D2PAK
Trong kho4270 pcs
-
Negative
-
-12V
-
1
1A
1.3V @ 1A (Typ)
61dB (120Hz)
Over Current, Over Temperature
MC7912
Tube
-
-40°C ~ 125°C
Surface Mount
-35V
Fixed
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D2PAK-3
-
RFQ
ADM7171ACPZ-5.0-R7
Analog Devices Inc.
IC REG LINEAR 5V 1A 8LFCSP
Trong kho17389 pcs
2 mA
Positive
Enable, Soft Start
5V
-
1
1A
-
-
Over Current, Over Temperature
ADM7171
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
8-WFDFN Exposed Pad, CSP
8-LFCSP-WD (3x3)
6.3 mA
RFQ