MC7812CD2TR4G
onsemi
IC REG LINEAR 12V 1A D2PAK
Na zalogi63110 pcs
6.5 mA
Positive
-
12V
-
1
1A
2V @ 1A (Typ)
60dB (1kHz)
Over Temperature, Short Circuit
MC7812
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
35V
Fixed
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D2PAK-3
-
RFQ
LT1117IST#PBF
Analog Devices Inc.
IC REG LIN POS ADJ 800MA SOT223
Na zalogi11232 pcs
-
Positive
-
1.25V
13.8V
1
800mA
1.3V @ 800mA
75dB (120Hz)
Over Temperature
LT1117
Tube
-
-40°C ~ 125°C
Surface Mount
15V
Adjustable
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
BA033F
Rohm Semiconductor
IC REG LINEAR 3.3V 1A TO252
Na zalogi14510 pcs
5 mA
Positive
-
3.3V
-
1
1A
0.5V @ 500mA
55dB (120Hz)
Over Current, Over Temperature, Over Voltage
-
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
25V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252
-
RFQ
HMC976LP3E
Analog Devices Inc.
IC REG LIN POS ADJ 400MA 16QFN
Na zalogi14970 pcs
1.5 mA
Positive
Enable
1.8V
5V
1
400mA
-
70dB ~ 20dB (1kHz ~ 50MHz)
Over Temperature
HMC976
Strip
-
-40°C ~ 85°C
Surface Mount
5.5V
Adjustable
16-VFQFN Exposed Pad
16-QFN (3x3)
-
RFQ
LT3024EDE#PBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 12DFN
Na zalogi7242 pcs
-
Positive
Enable
1.22V
20V
2
100mA, 500mA
0.45V @ 100mA, 0.45V @ 500mA
65dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3024
Tube
-
-40°C ~ 125°C
Surface Mount
20V
Adjustable
12-WFDFN Exposed Pad
12-DFN (4x3)
-
RFQ
L79L15ACD13TR
STMicroelectronics
IC REG LINEAR -15V 100MA 8SO
Na zalogi247960 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
L78L05ACZTR
STMicroelectronics
IC REG LINEAR 5V 100MA TO92-3
Na zalogi288020 pcs
5.5 mA
Positive
-
5V
-
1
100mA
-
49dB (120Hz)
Over Current, Over Temperature, Short Circuit
L78L05
Tape & Reel (TR)
-
0°C ~ 125°C
Through Hole
30V
Fixed
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-92-3
6 mA
RFQ
LP5951MG-1.3
Texas Instruments
IC REG LINEAR 1.3V 150MA SC70-5
Na zalogi11410 pcs
55 µA
Positive
Enable
1.3V
-
1
150mA
0.35V @ 150mA
60dB ~ 50dB (100Hz ~ 10kHz)
Over Current, Over Temperature, Short Circuit
LP5951
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
70 µA
RFQ
AP7173-FNG-7
Diodes Incorporated
IC REG LIN POS ADJ 1.5A 10DFN
Na zalogi55990 pcs
-
Positive
Enable, Power Good, Soft Start
0.8V
3.3V
1
1.5A
1.7V @ 1.5A
60dB ~ 30dB (1kHz ~ 300kHz)
Over Current, Over Temperature
AP7173
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Adjustable
10-UFDFN Exposed Pad
U-DFN3030-10
-
RFQ
REG1117A
Texas Instruments
IC REG LINEAR POS ADJ 1A SOT223
Na zalogi20140 pcs
10 mA
Positive
-
1.25V
13.5V
1
1A
1.55V @ 1A
62dB (120Hz)
Over Current, Over Temperature
REG1117
Tube
-
-40°C ~ 125°C
Surface Mount
15V
Adjustable
TO-261-4, TO-261AA
SOT-223-4
-
RFQ
LD29150PT33R
STMicroelectronics
IC REG LINEAR 3.3V 1.5A PPAK
Na zalogi4540 pcs
180 µA
Positive
Enable
3.3V
-
1
1.5A
0.7V @ 1.5A
67dB (120Hz)
Over Current, Over Temperature
LD29150
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
14V
Fixed
TO-252-5, DPak (4 Leads + Tab), TO-252AD
PPAK
80 mA
RFQ
LM78L15ACZ
Texas Instruments
IC REG LINEAR FIXED POS STD REG
Na zalogi10710 pcs
5 mA
Positive
-
15V
-
1
100mA
-
51dB (120Hz)
Over Temperature, Short Circuit
-
Bulk
-
0°C ~ 125°C (TJ)
Through Hole
30V
Fixed
TO-226-3, TO-92-3 (TO-226AA)
TO-92-3
-
RFQ
S-1167B29-M5T1G
ABLIC Inc.
IC REG LINEAR 2.9V 150MA SOT23-5
Na zalogi74910 pcs
900 nA
Positive
Enable
2.9V
-
1
150mA
0.3V @ 100mA
70dB (1kHz)
Over Current
S-1167
Tape & Reel (TR)
S-1167
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
SC-74A, SOT-753
SOT-23-5
16 µA
RFQ
IRU1010-25CSTR
Infineon Technologies
IC REG LINEAR 2.5V 1A 8SOIC
Na zalogi5210 pcs
-
Positive
-
2.5V
-
1
1A
1.3V @ 1A
70dB (120Hz)
Over Current, Over Temperature
IRU1010-25CS
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
7V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
NCP1117ST285T3G
onsemi
IC REG LINEAR 2.85V 1A SOT223
Na zalogi3730 pcs
10 mA
Positive
-
2.85V
-
1
1A
1.2V @ 800mA
68dB (120Hz)
Over Current, Over Temperature
NCP1117
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
20V
Fixed
TO-261-4, TO-261AA
SOT-223
-
RFQ
REG102GA-2.85/2K5
Texas Instruments
IC REG LIN 2.85V 250MA SOT223-6
Na zalogi12270 pcs
500 µA
Positive
Enable
2.85V
-
1
250mA
0.27V @ 250mA
65dB (120Hz)
Over Current, Over Temperature
REG102
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
10V
Fixed
SOT-223-6
SOT-223-6
800 µA
RFQ
KA79M05RTF
Fairchild Semiconductor
IC REG LINEAR FIXED NEG STND 5V
Na zalogi141470 pcs
6 mA
Negative
-
-5V
-
1
500mA
1.1V @ 500mA
60dB (120Hz)
Over Temperature, Short Circuit
KA79M05
Bulk
-
0°C ~ 125°C
Surface Mount
-35V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
D-Pak
-
RFQ
TC2054-1.8VCTTR
Microchip Technology
IC REG LINEAR 1.8V 50MA SOT23-5
Na zalogi95700 pcs
80 µA
Positive
Enable
1.8V
-
1
50mA
0.07V @ 50mA
50dB (100kHz)
Over Current, Over Temperature
TC2054
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
ISL9021IRUWZ-T
Renesas Electronics America Inc
IC REG LINEAR 1.2V 250MA 6UTDFN
Na zalogi30148 pcs
50 µA
Positive
Enable
1.2V
-
1
250mA
-
-
Over Current, Over Temperature, Reverse Polarity, Short Circuit, Soft Start
ISL9021
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
6-UFDFN
6-UTDFN (1.6x1.6)
-
RFQ
TPS71202DRCR
Texas Instruments
IC REG LIN POS ADJ 250MA 10VSON
Na zalogi30178 pcs
250 µA
Positive
Enable, Power Good
1.2V
5.5V
2
250mA
0.4V @ 500mA
59dB ~ 54dB (120Hz)
Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS71202
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
10-VFDFN Exposed Pad
10-VSON (3x3)
600 µA
RFQ
R1173S001D-E2-FE
Nisshinbo Micro Devices Inc.
IC REG LINEAR POS ADJ 1A 6HSOP
Na zalogi81150 pcs
100 µA
Positive
Enable
1V
6V
1
1A
0.56V @ 1A
70dB (1kHz)
Over Current, Over Temperature
R1173
Tape & Reel (TR)
R1173x
-40°C ~ 85°C
Surface Mount
6V
Adjustable
6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins
6-HSOP-J
-
RFQ
TC1016-2.8VCTTR
Microchip Technology
IC REG LINEAR 2.8V 80MA SOT23-5
Na zalogi112660 pcs
90 µA
Positive
Enable
2.8V
-
1
80mA
0.3V @ 80mA
58dB (1kHz)
Over Current, Over Temperature
TC1016
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
LP2985ITP-5.0
Texas Instruments
IC REG LINEAR 5V 150MA 5DSBGA
Na zalogi12630 pcs
95 µA
Positive
Enable
5V
-
1
150mA
0.575V @ 150mA
45dB (1kHz)
Over Current, Over Temperature, Short Circuit
-
Bulk
-
-40°C ~ 125°C (TJ)
Surface Mount
16V
Fixed
5-UFBGA, DSBGA
5-DSBGA
2.5 mA
RFQ
TLV70015DDCR
Texas Instruments
IC REG LINEAR 1.5V 200MA SOT23-5
Na zalogi320260 pcs
55 µA
Positive
Enable
1.5V
-
1
200mA
0.25V @ 200mA
68dB (1kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TLV70015
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
SOT-23-THIN
270 µA
RFQ
MCP1702-1802E/TO
Microchip Technology
IC REG LINEAR 1.8V 200MA TO92-3
Na zalogi55490 pcs
5 µA
Positive
-
1.8V
-
1
200mA
-
44dB (100Hz)
Over Current, Over Temperature, Short Circuit
MCP1702
Bag
-
-40°C ~ 125°C
Through Hole
13.2V
Fixed
TO-226-3, TO-92-3 (TO-226AA)
TO-92-3
-
RFQ
TLV70228QDSERQ1
Texas Instruments
IC REG LINEAR 2.8V 300MA 6WSON
Na zalogi205190 pcs
55 µA
Positive
Enable
2.8V
-
1
300mA
0.375V @ 300mA
68dB (1kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TLV70228
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TA)
Surface Mount
5.5V
Fixed
6-WFDFN
6-WSON (1.5x1.5)
370 µA
RFQ
RT9011-MGGQW
Richtek USA Inc.
IC REG LINEAR 1.8V/2.8V 8WDFN
Na zalogi17460 pcs
80 µA
Positive
Enable
1.8V, 2.8V
-
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
8-WFDFN Exposed Pad
8-WDFN (2x2)
-
RFQ
MAX8530EBTJJ+T
Analog Devices Inc./Maxim Integrated
IC REG LINEAR 2.85V/2.85V 6UCSP
Na zalogi16010 pcs
220 µA
Positive
Enable, Reset
2.85V, 2.85V
-
2
200mA, 150mA
0.2V @ 100mA, 0.2V @ 100mA
60dB (100Hz)
Over Current, Over Temperature, Short Circuit
MAX8530
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
6-WFBGA, WLBGA
6-WLP
-
RFQ
AS7808ADTR-G1
Diodes Incorporated
IC REG LINEAR 8V 1A TO252-2
Na zalogi276430 pcs
6 mA
Positive
-
8V
-
1
1A
2V @ 1A (Typ)
62dB (120Hz)
Over Temperature, Short Circuit
AS7808
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
28V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252-3
-
RFQ
ADP7104ACPZ-1.8-R7
Analog Devices Inc.
IC REG LINEAR 1.8V 500MA 8LFCSP
Na zalogi8417 pcs
900 µA
Positive
Enable, Power Good, Under Voltage Lockout
1.8V
-
1
500mA
-
-
Over Temperature, Short Circuit
ADP7104
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Fixed
8-WFDFN Exposed Pad, CSP
8-LFCSP-WD (3x3)
1.6 mA
RFQ
TC1015-2.7VCT713
Microchip Technology
IC REG LINEAR 2.7V 100MA SOT23-5
Na zalogi92660 pcs
80 µA
Positive
Enable
2.7V
-
1
100mA
0.25V @ 100mA
64dB (1kHz)
Over Current, Over Temperature
TC1015
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
ILC7082AIM533X
Fairchild Semiconductor
IC REG LINEAR FIXED LDO REG
Na zalogi168710 pcs
220 µA
Positive
Enable
3.3V
-
1
150mA
0.3V @ 150mA
85dB ~ 60dB (1kHz ~ 1MHz)
Over Current, Over Temperature, Short Circuit
-
Bulk
-
-40°C ~ 85°C (TA)
Surface Mount
13V
Fixed
SC-74A, SOT-753
SOT-23-5
280 µA
RFQ
LT3023IMSE#TRPBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 10MSOP
Na zalogi9922 pcs
-
Positive
Enable
1.22V
20V
2
100mA, 100mA
0.45V @ 100mA, 0.45V @ 100mA
65dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3023
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Adjustable
10-TFSOP, 10-MSOP (0.118', 3.00mm Width) Exposed Pad
10-MSOP-EP
-
RFQ
MC78LC18NTRG
onsemi
IC REG LINEAR 1.8V 50MA 5TSOP
Na zalogi95900 pcs
3.6 µA
Positive
-
1.8V
-
1
50mA
0.06V @ 1mA
-
-
MC78LC18
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
12V
Fixed
SOT-23-5 Thin, TSOT-23-5
5-TSOP
-
RFQ
NCP698SQ13T1G
onsemi
IC REG LINEAR 1.3V 150MA SC82AB
Na zalogi128240 pcs
6 µA
Positive
Enable
1.3V
-
1
150mA
1.5V @ 150mA
-
Over Current, Over Temperature
NCP698
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SC-82A, SOT-343
SC-82AB
-
RFQ
LTC3026EMSE
Analog Devices Inc.
IC REG LIN POS ADJ 1.5A 10MSOP
Na zalogi12000 pcs
-
Positive
Enable, Power Good
0.4V
2.6V
1
1.5A
0.25V @ 1.5A
-
Over Current, Over Temperature, Reverse Polarity, Short Circuit
-
Tube
-
-40°C ~ 125°C (TJ)
Surface Mount
3.5V, 5.5V
Adjustable
10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
10-MSOP-EP
-
RFQ
MAX8530ETTP2+T
Analog Devices Inc./Maxim Integrated
IC REG LINEAR 2.5V/1.8V 6TDFN
Na zalogi27381 pcs
220 µA
Positive
Enable, Reset
2.5V, 1.8V
-
2
200mA, 150mA
0.2V @ 100mA, -
60dB (100Hz)
Over Current, Over Temperature, Short Circuit
MAX8530
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
6-WDFN Exposed Pad
6-TDFN (3x3)
-
RFQ
MCP1727-3302E/MF
Microchip Technology
IC REG LINEAR 3.3V 1.5A 8DFN
Na zalogi31220 pcs
220 µA
Positive
Enable, Power Good
3.3V
-
1
1.5A
0.55V @ 1.5A
60dB (100Hz)
Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
MCP1727
Tube
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
8-VDFN Exposed Pad
8-DFN (3x3)
-
RFQ
S-1313B33-M5T1U3
ABLIC Inc.
IC REG LINEAR 3.3V 200MA SOT23-5
Na zalogi79370 pcs
1.35 µA
Positive
Enable
3.3V
-
1
200mA
0.32V @ 100mA
-
Overcurrent, Thermal Shutdown
S-1313
Tape & Reel (TR)
S-1313
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
S-1313B30-M5T1U3
ABLIC Inc.
IC REG LINEAR 3V 200MA SOT23-5
Na zalogi77660 pcs
1.35 µA
Positive
Enable
3V
-
1
200mA
0.32V @ 100mA
-
Overcurrent, Thermal Shutdown
S-1313
Tape & Reel (TR)
S-1313
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
AN77L05
Panasonic Electronic Components
IC REG LINEAR 5V 100MA 3SSIP
Na zalogi16940 pcs
5 mA
Positive
-
5V
-
1
100mA
-
68dB (120Hz)
Over Current, Over Temperature, Short Circuit
AN77L05
Bulk
-
-30°C ~ 125°C
Through Hole
15.7V
Fixed
TO-226-3, TO-92-3 (TO-226AA)
3-SSIP
-
RFQ
AP7343D-18FS4-7B
Diodes Incorporated
IC REG LINEAR 1.8V 300MA 4DFN
Na zalogi263300 pcs
60 µA
Positive
Enable
1.8V
-
1
300mA
0.39V @ 300mA
75dB (1kHz)
Over Current
AP7343
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.25V
Fixed
4-XDFN Exposed Pad
X2-DFN1010-4
-
RFQ
MC79M08BDTRKG
onsemi
IC REG LINEAR -8V 500MA DPAK
Na zalogi118150 pcs
-
Negative
-
-8V
-
1
500mA
1.1V @ 500mA (Typ)
63dB (120Hz)
Over Current, Over Temperature
MC79M08
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
-35V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
-
RFQ
TPS7225QPWR
Texas Instruments
IC REG LINEAR 2.5V 250MA 8TSSOP
Na zalogi41874 pcs
225 µA
Positive
Enable
2.5V
-
1
250mA
1.1V @ 250mA
60dB ~ 50dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
TPS7225
Tape & Reel (TR)
-
-55°C ~ 150°C
Surface Mount
10V
Fixed
8-TSSOP (0.173", 4.40mm Width)
8-TSSOP
325 µA
RFQ
TPS75725KC
Texas Instruments
IC REG LINEAR 2.5V 3A TO220-5
Na zalogi7548 pcs
200 µA
Positive
Enable, Power Good
2.5V
-
1
3A
-
62dB (100Hz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS75725
Tube
-
-40°C ~ 125°C
Through Hole
5.5V
Fixed
TO-220-5
TO-220-5
-
RFQ
BA07CC0FP-E2
Rohm Semiconductor
IC REG LINEAR 7V 1A TO252-3
Na zalogi45400 pcs
2.5 mA
Positive
-
7V
-
1
1A
-
55dB (120Hz)
Over Current, Over Temperature, Over Voltage
BA07CC0
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
LD1086V18
STMicroelectronics
IC REG LINEAR 1.8V 1.5A TO220AB
Na zalogi60310 pcs
10 mA
Positive
-
1.8V
-
1
1.5A
1.5V @ 1.5A
82dB (120Hz)
Over Current, Over Temperature
LD1086
Tube
-
-40°C ~ 125°C
Through Hole
30V
Fixed
TO-220-3
TO-220
-
RFQ
TC1301B-GDDVMFTR
Microchip Technology
IC REG LINEAR 2.7V/3V/2.5V 8DFN
Na zalogi62170 pcs
180 µA
Positive
Enable, Reset
2.7V, 3V, 2.5V
-
2
300mA, 150mA
0.18V @ 300mA, 0.25V @ 150mA
58dB (100Hz)
Over Current, Over Temperature
TC1301
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
8-VDFN Exposed Pad
8-DFN (3x3)
-
RFQ
LT3015EDD-3#PBF
Analog Devices Inc.
IC REG LINEAR -3V 1.5A 8DFN
Na zalogi6386 pcs
2.4 mA
Negative
Enable
-3V
-
1
1.5A
0.5V @ 1.5A
62dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3015
Tube
-
-40°C ~ 125°C
Surface Mount
-30V
Fixed
8-WFDFN Exposed Pad
8-DFN (3x3)
70 mA
RFQ
AP2318M-ADJTRG1
Diodes Incorporated
IC REG LIN POS ADJ 600MA 8SOIC
Na zalogi10570 pcs
250 µA
Positive
Enable
0.8V
11.65V
1
600mA
0.35V @ 600mA (Typ)
-
Over Current, Over Temperature, Over Voltage
-
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
12V
Adjustable
8-SOIC (0.154", 3.90mm Width)
8-SOIC
-
RFQ