ILC7280AR2530X
onsemi
IC REG LINEAR 2.5V/3V 8MSOP
Na stanie5070 pcs
105 µA
Positive
Enable
2.5V, 3V
-
2
150mA, 150mA
0.18V @ 150mA, 0.18V @ 150mA
50dB ~ 45dB (120Hz ~ 1kHz)
Over Current, Over Temperature, Short Circuit
ILC728
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
9V
Fixed
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
8-MSOP
125 µA
RFQ
AS1352V-T
ams OSRAM
IC REG LIN POS PROG 200MA 16QFN
Na stanie13580 pcs
350 µA
Positive
Enable
1.8V
3.3V
4
200mA
-
70dB ~ 40dB (1KHz ~ 100kHz)
Over Current, Over Temperature, Soft Start
AS1352
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Programmable
16-VFQFN Exposed Pad
16-QFN (3x3)
-
RFQ
XC6221A3327R-G
Torex Semiconductor Ltd
IC REG LINEAR 3.3V 200MA 4USPN
Na stanie215330 pcs
50 µA
Positive
Enable
3.3V
-
1
200mA
0.14V @ 100mA
70dB (1kHz)
Over Current, Short Circuit
XC6221
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
4-XDFN
4-USPN (0.90x1.2)
-
RFQ
TC1055-2.5VCT713
Microchip Technology
IC REG LINEAR 2.5V 100MA SOT23-5
Na stanie66490 pcs
80 µA
Positive
Enable
2.5V
-
1
100mA
0.25V @ 100mA
64dB (1kHz)
Over Current, Over Temperature
TC1055
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
TPS78236DDCR
Texas Instruments
IC REG LINEAR 3.6V 150MA SOT23-5
Na stanie104510 pcs
1.3 µA
Positive
Enable
3.6V
-
1
150mA
0.25V @ 150mA
40dB ~ 15dB (10Hz ~ 1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS78236
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
SOT-23-THIN
8 µA
RFQ
MCP1726T-1202E/MF
Microchip Technology
IC REG LINEAR 1.2V 1A 8DFN
Na stanie58090 pcs
220 µA
Positive
Enable, Power Good
1.2V
-
1
1A
0.5V @ 1A
54dB (100Hz)
Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
MCP1726
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
8-VDFN Exposed Pad
8-DFN (3x3)
-
RFQ
IRU1050CT
Infineon Technologies
IC REG LINEAR POS ADJ 5A TO220AB
Na stanie9330 pcs
10 mA
Positive
-
2.5V
3.3V
1
5A
1.3V @ 5A
70dB (120Hz)
Over Current, Over Temperature
IRU1050CT
Tube
-
0°C ~ 150°C
Through Hole
7V
Adjustable
TO-220-3
TO-220AB
-
RFQ
LP2982IM5-4.0
Texas Instruments
IC REG LINEAR FIXED LDO REG
Na stanie167260 pcs
95 µA
Positive
Enable
4V
-
1
50mA
0.33V @ 80mA
45dB (1kHz)
Over Current, Over Temperature, Short Circuit
-
Bulk
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
1.4 mA
RFQ
MCP1824T-0802E/OT
Microchip Technology
IC REG LINEAR 0.8V 300MA SOT23-5
Na stanie82810 pcs
220 µA
Positive
Enable, Power Good
0.8V
-
1
300mA
0.32V @ 300mA
55dB (100Hz)
Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
MCP1824
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
MIC2951-02YM
Microchip Technology
IC REG LIN POS ADJ 150MA 8SOIC
Na stanie37536 pcs
300 µA
Positive
Enable
1.24V (5V)
29V
1
150mA
0.6V @ 150mA
-
Over Current, Over Temperature, Reverse Polarity
MIC2951
Tube
-
-40°C ~ 125°C
Surface Mount
30V
Adjustable (Fixed)
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8 mA
RFQ
MAX5023SASA+T
Analog Devices Inc./Maxim Integrated
IC REG LINEAR 3.3V 150MA 8SOIC
Na stanie12400 pcs
140 µA
Positive
Enable, Hold, Reset, Watchdog
3.3V
-
1
150mA
1.5V @ 150mA
54dB (100Hz)
Over Temperature, Reverse Polarity, Short Circuit
MAX5023
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
65V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
-
RFQ
MIC5219-5.0YMM
Microchip Technology
IC REG LINEAR 5V 500MA 8MSOP
Na stanie34662 pcs
8 µA
Positive
Enable
5V
-
1
500mA
0.6V @ 500mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
MIC5219
Tube
-
-40°C ~ 125°C
Surface Mount
12V
Fixed
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
8-MSOP
-
RFQ
MIC5225-5.0YM5-TR
Microchip Technology
IC REG LINEAR 5V 150MA SOT23-5
Na stanie94040 pcs
-
Positive
Enable
5V
-
1
150mA
0.45V @ 150mA
-
Over Current, Over Temperature, Reverse Polarity
MIC5225
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
NCP785AH120T1G
onsemi
IC REG LINEAR 12V 10MA SOT89-3
Na stanie90040 pcs
22 µA
Positive
-
12V
-
1
10mA
-
70dB (1kHz)
Over Current, Over Temperature
NCP785
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
450V
Fixed
TO-243AA
SOT-89-3
-
RFQ
MIC5310-SNYML
Micrel Inc.
IC REG LINEAR DUAL 150MA LDO
Na stanie110370 pcs
120 µA
Positive
Enable
2.85V, 3.3V
-
2
150mA, 150mA
0.1V @ 150mA, 0.1V @ 150mA
70dB ~ 65dB (1kHz ~ 20kHz)
Over Current, Over Temperature
-
Bulk
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
8-VFDFN Exposed Pad, 8-MLF®
8-MLF® (2x2)
190 µA
RFQ
LD49150PT10R
STMicroelectronics
IC REG LINEAR 1V 1.5A PPAK
Na stanie26585 pcs
4 mA
Positive
Enable
1V
-
1
1.5A
0.2V @ 1.5A
68dB (120Hz)
Over Current, Over Temperature
LD49150
Tape & Reel (TR)
-
-25°C ~ 125°C
Surface Mount
5.5V
Fixed
TO-252-5, DPak (4 Leads + Tab), TO-252AD
PPAK
6 mA
RFQ
L4940V85
STMicroelectronics
IC REG LINEAR 8.5V 1.5A TO220AB
Na stanie33746 pcs
8 mA
Positive
-
8.5V
-
1
1.5A
0.9V @ 1.5A
68dB (120Hz)
Over Temperature, Reverse Polarity, Short Circuit
L4940
Tube
-
-40°C ~ 150°C
Through Hole
17V
Fixed
TO-220-3
TO-220
50 mA
RFQ
LT1175IS8-5#PBF
Analog Devices Inc.
IC REG LINEAR -5V 500MA 8SOIC
Na stanie4064 pcs
80 µA
Negative
Current Limit, Enable
-5V
-
1
500mA
0.7V @ 500mA
60db ~ 15dB (1kHz ~ 100kHz)
-
LT1175
Tube
-
-40°C ~ 125°C (TJ)
Surface Mount
-20V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SO
-
RFQ
NCV612SQ33T1G
onsemi
IC REG LINEAR 3.3V 100MA SC88A
Na stanie17030 pcs
90 µA
Positive
Enable
3.3V
-
1
100mA
0.38V @ 100mA
-
Over Current, Over Temperature
NCV612
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
6V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-88A (SC-70-5/SOT-353)
90 µA
RFQ
S-1170B35UC-OTUTFG
ABLIC Inc.
IC REG LINEAR 3.5V 800MA SOT89-5
Na stanie68320 pcs
1 µA
Positive
Enable
3.5V
-
1
800mA
0.18V @ 300mA
65dB (1kHz)
Over Current, Thermal Shutdown
S-1170
Tape & Reel (TR)
S-1170
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
SOT-89-5/6
SOT-89-5
160 µA
RFQ
BD00KA5WF-E2
Rohm Semiconductor
IC REG LINEAR POS ADJ 500MA 8SOP
Na stanie51680 pcs
550 µA
Positive
Enable
1V
4V
1
500mA
0.2V @ 200mA
50dB (120Hz)
Over Current, Over Temperature
BD00KA5
Tape & Reel (TR)
-
-40°C ~ 105°C
Surface Mount
5.5V
Adjustable
8-SOIC (0.173', 4.40mm Width)
8-SOP
550 µA
RFQ
BA032LBSG2-TR
Rohm Semiconductor
IC REG LINEAR 3.2V 150MA SMP5
Na stanie9280 pcs
15 µA
Positive
Enable
3.2V
-
1
150mA
0.15V @ 50mA
66dB ~ 58dB (400Hz)
Over Current, Over Temperature
BA032
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
7V
Fixed
SC-74A, SOT-753
SMP5
-
RFQ
TLV74228PDQNR
Texas Instruments
IC REG LINEAR 2.8V 200MA 4X2SON
Na stanie271240 pcs
50 µA
Positive
Enable
2.8V
-
1
200mA
0.3V @ 150mA
70dB ~ 55dB (100Hz ~ 1MHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TLV74228
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-X2SON (1x1)
-
RFQ
LM9076SX-5.0
Texas Instruments
IC REG LIN 5V 150MA DDPAK/TO263
Na stanie12940 pcs
45 µA
Positive
Reset
5V
-
1
150mA
0.25V @ 150mA
60dB (120kHz)
Over Temperature
LM9076
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
40V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
DDPAK/TO-263-5
4.5 mA
RFQ
TLV70450DBVR
Texas Instruments
IC REG LINEAR 5V 150MA SOT23-5
Na stanie146660 pcs
4.5 µA
Positive
-
5V
-
1
150mA
1.1V @ 100mA
60dB (100kHz)
Over Current, Reverse Polarity
TLV70450
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
24V
Fixed
SC-74A, SOT-753
SOT-23-5
5.5 µA
RFQ
TPS78601DCQ
Texas Instruments
IC REG LIN POS ADJ 1.5A SOT223-6
Na stanie10012 pcs
385 µA
Positive
Enable
1.2V
5.5V
1
1.5A
0.47V @ 1.5A
59dB ~ 32dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS78601
Tube
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
SOT-223-6
SOT-223-6
-
RFQ
RC1117D25T
Fairchild Semiconductor
IC REG LINEAR 1 OUTPUT BIPOLAR
Na stanie110110 pcs
13 mA
Positive
-
2.5V
-
1
1A
1.2V @ 1A
72dB (120Hz)
Over Current, Over Temperature, Short Circuit
-
Bulk
-
0°C ~ 125°C (TJ)
Surface Mount
7.5V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252, (D-Pak)
-
RFQ
NCP134AMX105TCG
onsemi
IC REG LINEAR 1.05V 500MA 4XDFN
Na stanie134210 pcs
-
Positive
Enable
1.05V
-
1
500mA
0.25V @ 500mA
80dB ~ 70dB (1kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
NCP134
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-XDFN (1.2x1.2)
-
RFQ
TLV73325PDBVR
Texas Instruments
IC REG LINEAR 2.5V 300MA SOT23-5
Na stanie443700 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
SC-74A, SOT-753
SOT-23-5
-
RFQ
AP1086D18L-13
Diodes Incorporated
IC REG LINEAR 1.8V 1.5A TO252-3
Na stanie53530 pcs
10 mA
Positive
-
1.8V
-
1
1.5A
-
60dB (120Hz)
Over Current, Over Temperature
-
Tape & Reel (TR)
-
0°C ~ 125°C (TJ)
Surface Mount
12V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252-3
-
RFQ
TC1174VUATR
Microchip Technology
IC REG LIN POS ADJ 300MA 8MSOP
Na stanie69980 pcs
90 µA
Positive
Enable
1.2V
5.95V
1
300mA
0.48V @ 300mA
60dB (1kHz)
Over Current, Over Temperature
TC1174
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Adjustable
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
-
RFQ
L78M15CDT-TR
STMicroelectronics
IC REG LINEAR 15V 500MA DPAK
Na stanie131360 pcs
6 mA
Positive
-
15V
-
1
500mA
-
54dB (120Hz)
Over Current, Over Temperature, Short Circuit
L78M15
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
35V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
-
RFQ
XC6201P452MR-G
Torex Semiconductor Ltd
IC REG LINEAR 4.5V 250MA SOT25
Na stanie119350 pcs
-
Positive
-
4.5V
-
1
250mA
0.4V @ 200mA
-
Over Current
XC6201
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
10V
Fixed
SC-74A, SOT-753
SOT-25-5
-
RFQ
NJM79L15SU3-TE1
Nisshinbo Micro Devices Inc.
IC REG LINEAR -15V 100MA SOT89-3
Na stanie150520 pcs
6 mA
Negative
Enable
-15V
-
1
100mA
2V @ 100mA
64dB (120Hz)
Over Current, Over Temperature
NJM79L15
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
-30V
Fixed
TO-243AA
SOT-89-3
-
RFQ
TLV76033DBZR
Texas Instruments
IC REG LINEAR 3.3V 100MA SOT23-3
Na stanie293860 pcs
5 mA
Positive
-
3.3V
-
1
100mA
1.1V @ 100mA
-
Over Temperature
TLV760
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
30V
Fixed
TO-236-3, SC-59, SOT-23-3
SOT-23-3
-
RFQ
LT1763MPS8#TRPBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 500MA 8SO
Na stanie3193 pcs
75 µA
Positive
Enable
1.22V
20V
1
500mA
0.45V @ 500mA
65dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT1763
Tape & Reel (TR)
-
-55°C ~ 125°C
Surface Mount
20V
Adjustable
8-SOIC (0.154", 3.90mm Width)
8-SO
16 mA
RFQ
IRU1117CS
Infineon Technologies
IC REG LIN POS ADJ 800MA 8SOIC
Na stanie4650 pcs
10 mA
Positive
-
2.5V
3.6V
1
800mA
1.3V @ 1A
70dB (120Hz)
Over Current, Over Temperature
IRU1117CS
Tube
-
0°C ~ 150°C
Surface Mount
7V
Adjustable
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
TPS75618KTT
Texas Instruments
IC REG LDO 1.8V 5A TO-263-5
Na stanie20321 pcs
200 µA
Positive
Enable
1.8V
-
1
5A
-
60dB (100Hz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS756
Tube
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
DDPAK/TO-263-5
-
RFQ
LP2981A-33DBVRG4
Texas Instruments
IC REG LINEAR 3.3V 100MA SOT23-5
Na stanie8990 pcs
95 µA
Positive
Enable
3.3V
-
1
100mA
0.37V @ 100mA
63dB (1kHz)
Over Current, Over Temperature, Short Circuit
LP2981
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
1.7 mA
RFQ
NCV8163AMX150TBG
onsemi
IC REG LINEAR 1.5V 250MA 4XDFN
Na stanie269160 pcs
20 µA
Positive
Enable
1.5V
-
1
250mA
-
92dB ~ 60dB (100Hz ~ 100kHz)
Over Current, Over Temperature
NCV8163
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-XDFN (1x1)
-
RFQ
RP152L002B-TR
Nisshinbo Micro Devices Inc.
IC REG LIN 1.8V/2.8V 150MA 6DFN
Na stanie102160 pcs
60 µA
Positive
Enable
1.8V, 2.8V
-
2
150mA, 150mA
0.46V @ 150mA, 0.35V @ 150mA
70dB (1kHz)
Over Current
RP152
Tape & Reel (TR)
RP152x
-40°C ~ 85°C (TA)
Surface Mount
5.25V
Fixed
6-XFDFN Exposed Pad
DFN1212-6
-
RFQ
MIC5219-2.8YM5
Micrel Inc.
IC REG LINEAR 500MA LDO REG
Na stanie10150 pcs
8 µA
Positive
Enable
2.8V
-
1
500mA
0.6V @ 500mA
75dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
-
Bulk
-
-40°C ~ 125°C
Surface Mount
12V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
S-1335A33-N4T1U3
ABLIC Inc.
IC REG LINEAR 3.3V 150MA SC82AB
Na stanie50470 pcs
1 µA
Positive
Enable
3.3V
-
1
150mA
0.103V @ 100mA
80dB ~ 65dB (1kHz ~ 10kHz)
Overcurrent, Soft-Start
S-1335
Tape & Reel (TR)
S-1335
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
SC-82A, SOT-343
SC-82AB
54 µA
RFQ
FAN1086D25X
onsemi
IC REG LINEAR 2.5V 1.5A DPAK
Na stanie13990 pcs
-
Positive
-
2.5V
-
1
1.5A
1.5V @ 1.5A
72dB (120Hz)
Over Current, Over Temperature
FAN1086
Tape & Reel (TR)
-
25°C ~ 125°C
Surface Mount
7.5V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252AA
-
RFQ
TPS76701QD
Texas Instruments
IC REG LINEAR POS ADJ 1A 8SOIC
Na stanie12188 pcs
125 µA
Positive
Enable, Reset
1.5V
5.5V
1
1A
-
60dB (1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS76701
Tube
-
-40°C ~ 125°C
Surface Mount
10V
Adjustable
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
LP2951-30DRGR
Texas Instruments
IC REG LIN POS ADJ 100MA 8SON
Na stanie205720 pcs
120 µA
Positive
Enable
1.235V (3V)
30V
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-WFDFN Exposed Pad
8-SON (3x3)
14 mA
RFQ
TPS77733PWP
Texas Instruments
IC REG LIN 3.3V 750MA 20HTSSOP
Na stanie19028 pcs
125 µA
Positive
Enable, Power Good, Reset
3.3V
-
1
750mA
0.43V @ 750mA
60dB (1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS77733
Tube
-
-40°C ~ 125°C
Surface Mount
10V
Fixed
20-PowerTSSOP (0.173", 4.40mm Width)
20-HTSSOP
-
RFQ
SG117AT
Microchip Technology
IC REG LINEAR POS ADJ 500MA TO99
Na stanie14090 pcs
-
Positive
-
1.25V
37V
1
500mA
-
65dB ~ 80dB (120Hz)
Over Current
SG117
Bulk
-
-55°C ~ 125°C
Through Hole
37V
Adjustable
TO-205AD, TO-39-3 Metal Can
TO-99
-
RFQ
TPS79618KTTT
Texas Instruments
IC REG LIN 1.8V 1A DDPAK/TO263-5
Na stanie12680 pcs
385 µA
Positive
Enable
1.8V
-
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
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
DDPAK/TO-263-5
-
RFQ
MIC5271-5.0YM5-TR
Microchip Technology
IC REG LINEAR -5V 100MA SOT23-5
Na stanie25385 pcs
-
Negative
Enable
-5V
-
1
100mA
0.9V @ 100mA
50dB (120Hz)
Over Current, Over Temperature
MIC5271
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
-16V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ