TLV7113025DSER
Texas Instruments
IC REG LIN 3V/2.5V 200MA 6WSON
Dalam stok135090 pcs
110 µA
Positive
Enable
3V, 2.5V
-
2
200mA
0.215V @ 200mA, 0.25V @ 200mA
80dB ~ 50dB (10Hz ~ 100kHz)
Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
TLV7113025
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
6-WFDFN
6-WSON (1.5x1.5)
-
RFQ
MAX1935ETA-T
Analog Devices Inc./Maxim Integrated
IC REG LIN POS ADJ 500MA 8TDFN
Dalam stok13590 pcs
400 µA
Positive
Enable, Power Good
0.8V
4.5V
1
500mA
0.275V @ 500mA
-
Over Current, Over Temperature, Short Circuit
MAX1935
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Adjustable
8-WDFN Exposed Pad
8-TDFN (3x3)
-
RFQ
S-1721A2815-M6T1G
ABLIC Inc.
IC REG LIN 1.5V/2.8V 150MA SOT23
Dalam stok50560 pcs
1 µA
Positive
Enable
1.5V, 2.8V
-
2
150mA
0.39V @ 100mA, 0.23V @ 100mA
80dB (1kHz), 75dB (1kHz)
Over Current
S-1721
Tape & Reel (TR)
S-1721
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
SOT-23-6
SOT-23-6
45 µA
RFQ
NJM78L06UA
Nisshinbo Micro Devices Inc.
IC REG LINEAR 6V 100MA SOT89
Dalam stok15680 pcs
6 mA
Positive
-
6V
-
1
100mA
-
67dB (120Hz)
Over Temperature, Short Circuit
-
Tube
-
-40°C ~ 85°C
Surface Mount
30V
Fixed
TO-243AA
SOT-89
-
RFQ
MCP1826T-1802E/DC
Microchip Technology
IC REG LINEAR 1.8V 1A SOT223-5
Dalam stok50830 pcs
220 µA
Positive
Enable, Power Good
1.8V
-
1
1A
0.4V @ 1A
60dB (100Hz)
Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
MCP1826
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SOT-223-6
SOT-223-5
-
RFQ
MPQ2013AGG-33-AEC1-Z
Monolithic Power Systems Inc.
IC REG LINEAR 3.3V 150MA 6QFN
Dalam stok15530 pcs
50 µA
Positive
Enable
3.3V
-
1
150mA
1.1V @ 150mA
58dB ~ 41dB (100Hz ~ 1kHz)
Over Current, Over Temperature
MPQ2013
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
40V
Fixed
6-VDFN Exposed Pad
6-QFN (2x2)
-
RFQ
AZ317HTR-E1
Diodes Incorporated
IC REG LINEAR POS ADJ 1A SOT223
Dalam stok15780 pcs
-
Positive
-
1.25V
13.7V
1
1A
1.3V @ 1A
75dB (120Hz)
Over Current, Over Temperature
-
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
15V
Adjustable
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
LT3071EUFD#PBF
Analog Devices Inc.
IC REG LIN POS PROG 5A 28QFN
Dalam stok4609 pcs
1.5 mA
Positive
Enable, Power Good, Soft Start
0.8V
1.8V
1
5A
0.15V @ 5A
66dB (120Hz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
LT3071
Tube
-
-40°C ~ 125°C
Surface Mount
3V
Programmable
28-WFQFN Exposed Pad
28-QFN (4x5)
10 mA
RFQ
SP317V2-L/TR
MaxLinear, Inc.
IC REG LINEAR POS ADJ 1A TO252-3
Dalam stok15820 pcs
-
Positive
-
1.25V
13.7V
1
1A
1.3V @ 1A
75dB (120Hz)
Over Current, Over Temperature
-
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
15V
Adjustable
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252-3
-
RFQ
SP6213EC5-L-3-0
MaxLinear, Inc.
IC REG LINEAR 3V 100MA SC70-5
Dalam stok7040 pcs
125 µA
Positive
Enable
3V
-
1
100mA
0.5V @ 100mA
70dB ~ 40dB (100Hz ~ 400kHz)
Over Current, Over Temperature
-
Bulk
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
250 µA
RFQ
MC78L18ACP
onsemi
IC REG LINEAR 18V 100MA TO92-3
Dalam stok16890 pcs
6.5 mA
Positive
-
18V
-
1
100mA
-
48dB (120Hz)
Over Temperature, Short Circuit
MC78L18
Bulk
-
0°C ~ 125°C
Through Hole
35V
Fixed
TO-226-3, TO-92-3 Long Body
TO-92 (TO-226)
-
RFQ
ADP1707ARDZ-2.5-R7
Analog Devices Inc.
IC REG LINEAR 2.5V 1A 8SOIC
Dalam stok16742 pcs
390 µA
Positive
Enable, Tracking
2.5V
-
1
1A
0.63V @ 1A
-
Over Current, Over Temperature
ADP1707
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
8-SOIC (0.154", 3.90mm Width) Exposed Pad
8-SOIC-EP
1.55 mA
RFQ
LP3963ESX-5.0
Texas Instruments
IC REG LIN 5V 3A DDPAK/TO263-5
Dalam stok9090 pcs
9 mA
Positive
Enable
5V
-
1
3A
1.2V @ 3A
-
Over Current, Over Temperature, Short Circuit
LP3963
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
7V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
DDPAK/TO-263-5
15 mA
RFQ
LT1965IMS8E#PBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 1.1A 8MSOP
Dalam stok11445 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
FAN2511S28X
onsemi
IC REG LINEAR 2.8V 100MA SOT23-5
Dalam stok10920 pcs
50 µA
Positive
Enable
2.8V
-
1
100mA
0.14V @ 100mA
43dB (120Hz)
Over Temperature
FAN2511
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
TC1014-3.0VCT713-VAO
Microchip Technology
IC REG LINEAR 3V 50MA SOT23-5
Dalam stok5580 pcs
80 µA
Positive
Enable
3V
-
1
50mA
0.12V @ 50mA
64dB (1kHz)
Over Current, Over Temperature
TC1014
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
ADP3338AKCZ-2.5-RL
Analog Devices Inc.
IC REG LINEAR 2.5V 1A SOT223-3
Dalam stok17963 pcs
190 µA
Positive
-
2.5V
-
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
LM340T-12
Texas Instruments
IC REG LINEAR 12V 1.5A TO220-3
Dalam stok28895 pcs
8 mA
Positive
-
12V
-
1
1.5A
2V @ 1A
80dB (120Hz)
Over Temperature, Short Circuit
LM340
Tube
-
0°C ~ 125°C
Through Hole
35V
Fixed
TO-220-3
TO-220-3
-
RFQ
TPS71725QDRVRQ1
Texas Instruments
IC REG LINEAR 2.5V 150MA 6WSON
Dalam stok65900 pcs
80 µA
Positive
Enable
2.5V
-
1
150mA
0.3V @ 150mA
70dB ~ 45dB (100Hz ~ 1MHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS717
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
6-WDFN Exposed Pad
6-WSON (2x2)
100 µA
RFQ
MIC5365-1.0YC5-TR
Microchip Technology
IC REG LINEAR 1V 150MA SC70-5
Dalam stok221290 pcs
39 µA
Positive
Enable
1V
-
1
150mA
0.38V @ 150mA
80dB ~ 65dB (1kHz ~ 10kHz)
Over Current, Over Temperature
MIC5365
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
-
RFQ
TPS70151PWPR
Texas Instruments
IC REG LINEAR 3.3V/1.8V 20HTSSOP
Dalam stok20232 pcs
190 µA
Positive
Enable, Power Good, Reset, Sequencing
3.3V, 1.8V
-
2
500mA, 250mA
0.28V @ 500mA, -
60dB (1kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS70151
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
20-PowerTSSOP (0.173", 4.40mm Width)
20-HTSSOP
230 µA
RFQ
KA79M12RTM
onsemi
IC REG LINEAR -12V 500MA DPAK
Dalam stok6620 pcs
6 mA
Negative
-
-12V
-
1
500mA
1.1V @ 500mA
60dB (120Hz)
Over Temperature, Short Circuit
KA79M12
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
-35V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
D-Pak
-
RFQ
RP131S341D-E2-FE
Nisshinbo Micro Devices Inc.
IC REG LINEAR 3.4V 1A 6HSOP
Dalam stok68920 pcs
90 µA
Positive
Enable
3.4V
-
1
1A
0.65V @ 1A
60dB (1kHz)
Over Current, Over Temperature
RP131
Tape & Reel (TR)
RP131x
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins
6-HSOP-J
-
RFQ
PQ3RD083
Sharp Microelectronics
IC REG LINEAR 3.3V 800MA TO220-4
Dalam stok9460 pcs
10 mA
Positive
Enable
3.3V
-
1
800mA
0.5V @ 500mA
55dB (120Hz)
Over Current, Over Temperature
-
Tube
-
-20°C ~ 80°C
Through Hole
20V
Fixed
TO-220-4
TO-220-4
-
RFQ
L4931CD80-TR
STMicroelectronics
IC REG LINEAR 8V 250MA 8SO
Dalam stok10610 pcs
1.6 mA
Positive
-
8V
-
1
250mA
0.8V @ 250mA
67dB ~ 55dB (120Hz ~ 10kHz)
Over Current, Over Temperature
L4931
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
7 mA
RFQ
MIC5205-2.5YM5TR
Micrel Inc.
150 MA LOW-NOISE LDO REGULATOR
Dalam stok5460 pcs
150 µA
Positive
Enable
2.5V
-
1
150mA
0.35V @ 150mA
75dB (100Hz)
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
IRU1050CD
Infineon Technologies
IC REG LINEAR POS ADJ 5A DPAK
Dalam stok9340 pcs
10 mA
Positive
-
2.5V
3.3V
1
5A
1.3V @ 5A
70dB (120Hz)
Over Current, Over Temperature
IRU1050CD
Tube
-
0°C ~ 150°C
Surface Mount
7V
Adjustable
TO-252-3, DPak (2 Leads + Tab), SC-63
D-Pak
-
RFQ
MC7805ACD2TG
onsemi
IC REG LINEAR 5V 1A D2PAK
Dalam stok138740 pcs
6 mA
Positive
-
5V
-
1
1A
2V @ 1A (Typ)
83dB (120Hz)
Over Temperature, Short Circuit
MC7805
Tube
-
0°C ~ 125°C
Surface Mount
35V
Fixed
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D2PAK-3
-
RFQ
TPS75415QPWPR
Texas Instruments
IC REG LINEAR 1.5V 2A 20HTSSOP
Dalam stok7800 pcs
125 µA
Positive
Enable, Power Good, Reset Output
1.5V
-
1
2A
-
60dB (100Hz)
Over Current, Over Temperature, Reverse Polarity
TPS754
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
20-PowerTSSOP (0.173", 4.40mm Width)
20-HTSSOP
-
RFQ
NCP500SN30T1G
onsemi
IC REG LINEAR 3V 150MA 5TSOP
Dalam stok127890 pcs
1 µA
Positive
Enable
3V
-
1
150mA
0.24V @ 150mA
62dB (1kHz)
Over Current, Over Temperature
NCP500
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6V
Fixed
SOT-23-5 Thin, TSOT-23-5
5-TSOP
300 µA
RFQ
FAN2512S285X
onsemi
IC REG LIN 2.85V 150MA SOT23-5
Dalam stok11390 pcs
50 µA
Positive
Enable
2.85V
-
1
150mA
0.18V @ 150mA
43dB (120Hz)
Over Temperature
FAN2512
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
LT3029EDE#TRPBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 16DFN
Dalam stok6626 pcs
-
Positive
Enable
1.215V
19.5V
2
500mA, 500mA
0.46V @ 500mA, 0.46V @ 500mA
67dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3029
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Adjustable
16-WFDFN Exposed Pad
16-DFN (4x3)
-
RFQ
XC6215B302MR-G
Torex Semiconductor Ltd
IC REG LINEAR 3V 200MA SOT25
Dalam stok150960 pcs
1.5 µA
Positive
Enable
3V
-
1
200mA
0.42V @ 200mA
-
Over Current
XC6215
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-25-5
1.8 µA
RFQ
FAN1112DX
Fairchild Semiconductor
IC REG LINEAR 1.2V 1A DPAK
Dalam stok68220 pcs
-
Positive
Enable
1.2V
-
1
1A
1.2V @ 1A
72dB (120Hz)
Over Current, Over Temperature
-
Bulk
-
25°C ~ 125°C
Surface Mount
18V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252, (D-Pak)
-
RFQ
BA178M05CP-E2
Rohm Semiconductor
IC REG LINEAR 5V 500MA TO220CP-3
Dalam stok46212 pcs
4.5 mA
Positive
-
5V
-
1
500mA
2V @ 500mA (Typ)
78dB (120Hz)
-
BA178M05
Tape & Reel (TR)
-
-40°C ~ 85°C
Through Hole
25V
Fixed
TO-220-3 Cropped Leads
TO-220CP-3
6 mA
RFQ
TC1262-3.3VDB
Microchip Technology
IC REG LIN 3.3V 500MA SOT223-3
Dalam stok55390 pcs
130 µA
Positive
-
3.3V
-
1
500mA
0.65V @ 500mA
64dB (1kHz)
Over Current, Over Temperature
TC1262
Tube
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
LM9036MMX-5.0
Texas Instruments
IC REG LINEAR 5V 50MA 8VSSOP
Dalam stok6100 pcs
20 µA
Positive
-
5V
-
1
50mA
0.40V @ 50mA
60dB (120Hz)
Over Temperature, Reverse Polarity, Short Circuit
LM9036
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
40V
Fixed
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
8-VSSOP
2 mA
RFQ
SPX3940AM3-L-1-8/TR
MaxLinear, Inc.
IC REG LINEAR 1.8V 1A SOT223
Dalam stok12600 pcs
-
Positive
-
1.8V
-
1
1A
-
-
Over Current, Over Temperature, Reverse Polarity, Short Circuit, Transient Voltage
-
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
MAX8526EUD+T
Analog Devices Inc./Maxim Integrated
IC REG LINEAR POS ADJ 2A 14TSSOP
Dalam stok13218 pcs
440 µA
Positive
Enable
0.5V
3.4V
1
2A
0.2V @ 2A
-
Over Temperature, Short Circuit
MAX8526
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
3.6V
Adjustable
14-TSSOP (0.173', 4.40mm Width) Exposed Pad
14-TSSOP-EP
-
RFQ
MCP1754ST-1802E/MB
Microchip Technology
IC REG LINEAR 1.8V 150MA SOT89-3
Dalam stok46030 pcs
90 µA
Positive
-
1.8V
-
1
150mA
0.5V @ 150mA
72dB (1kHz)
Over Current, Over Temperature
MCP1754
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-243AA
SOT-89-3
250 µA
RFQ
EZ1117CSTTRT
Semtech Corporation
IC REG LIN POS ADJ 800MA SOT223
Dalam stok16320 pcs
10 mA
Positive
-
1.3V
5.7V
1
800mA
1.2V @ 800mA
72dB (120Hz)
Over Current, Over Temperature
EZ1117
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
7V
Adjustable
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
PQ1X501M2ZP
Sharp Microelectronics
IC REG LINEAR 5V 150MA SOT23-5
Dalam stok12540 pcs
200 µA
Positive
Enable
5V
-
1
150mA
0.4V @ 150mA
70dB (400Hz)
Over Current, Over Temperature
-
Tape & Reel (TR)
-
-30°C ~ 85°C
Surface Mount
9V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
MC78PC28NTRG
onsemi
IC REG LINEAR 2.8V 150MA 5TSOP
Dalam stok10650 pcs
-
Positive
Enable
2.8V
-
1
150mA
0.3V @ 100mA
70dB (1kHz)
Over Current
MC78PC2
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
8V
Fixed
SOT-23-5 Thin, TSOT-23-5
5-TSOP
-
RFQ
MAX8887EZK27
Analog Devices Inc./Maxim Integrated
IC REG LINEAR LDO
Dalam stok5830 pcs
100 µA
Positive
Enable
2.7V
-
1
300mA
-
60dB (1kHz)
Over Current, Over Temperature, Short Circuit
-
Bulk
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
65 µA
RFQ
AAT3215IGV-2.85-T1
Skyworks Solutions Inc.
IC REG LIN 2.85V 150MA SOT23-5
Dalam stok11210 pcs
150 µA
Positive
Enable
2.85V
-
1
150mA
0.25V @ 150mA
70dB ~ 47dB (1kHz ~ 1MHz)
Over Temperature, Short Circuit
-
Tape & Reel (TR)
microPOWER™
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
TPS78601KTTRG3
Texas Instruments
IC REG LINEAR POS ADJ 1.5A DDPAK
Dalam stok13347 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
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
FAN1086D33X
Fairchild Semiconductor
IC REG LINEAR 3.3V 1.5A DPAK
Dalam stok102190 pcs
-
Positive
-
3.3V
-
1
1.5A
1.5V @ 1.5A
72dB (120Hz)
Over Current, Over Temperature
-
Bulk
-
25°C ~ 125°C
Surface Mount
7.5V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252, (D-Pak)
-
RFQ
RT9166-18GVL
Richtek USA Inc.
IC REG LIN 1.8V 300MA SOT23-3L
Dalam stok267920 pcs
300 µA
Positive
-
1.8V
-
1
300mA
0.23V @ 300mA (Typ)
55dB (1kHz)
Over Current, Over Temperature
RT9166
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
TO-236-3, SC-59, SOT-23-3
SOT-23-3L
-
RFQ
AP2128K-1.0TRG1
Diodes Incorporated
IC REG LINEAR 1V 300MA SOT23-5
Dalam stok646950 pcs
90 µA
Positive
Enable
1V
-
1
300mA
1.5V @ 300mA
68dB ~ 54dB (100Hz ~ 10kHz)
Over Current, Over Temperature
AP2128
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
LK112SM50TR
STMicroelectronics
IC REG LINEAR 5V 200MA SOT23-5
Dalam stok69800 pcs
250 µA
Positive
Enable
5V
-
1
200mA
0.5V @ 200mA
55dB (400Hz)
Over Current, Over Temperature
LK112
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
14V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ