4306R-101-123LF
Bourns Inc.
RES ARRAY 5 RES 12K OHM 6SIP
In magazzino77930 pcs
-
6-SIP
6
12k
5
200mW
±100ppm/°C
50ppm/°C
4306R
Tube
-55°C ~ 125°C
4300R
Through Hole
0.584" L x 0.085" W (14.83mm x 2.16mm)
0.195" (4.95mm)
±2%
-
6-SIP
Bussed
RFQ
4310R-102-331LF
Bourns Inc.
RES ARRAY 5 RES 330 OHM 10SIP
In magazzino46900 pcs
-
10-SIP
10
330
5
300mW
±100ppm/°C
50ppm/°C
4310R
Tube
-55°C ~ 125°C
4300R
Through Hole
0.984' L x 0.085' W (24.99mm x 2.16mm)
0.195' (4.95mm)
±2%
-
10-SIP
Isolated
RFQ
4816P-1-180LF
Bourns Inc.
RES ARRAY 8 RES 18 OHM 16SOIC
In magazzino81130 pcs
-
16-SOM
16
18
8
160mW
±250ppm/°C
-
4816P
Tape & Reel (TR)
-55°C ~ 125°C
4800P
Surface Mount
0.440' L x 0.220' W (11.18mm x 5.59mm)
0.094' (2.40mm)
±1Ohm
Automotive AEC-Q200
16-SOIC (0.220', 5.59mm Width)
Isolated
RFQ
TC164-JR-0710KL
YAGEO
RES ARRAY 4 RES 10K OHM 1206
In magazzino1897250 pcs
-
-
8
10k
4
62.5mW
±200ppm/°C
-
TC164-JR
Tape & Reel (TR)
-55°C ~ 155°C
TC164
Surface Mount
0.126' L x 0.063' W (3.20mm x 1.60mm)
0.028' (0.70mm)
±5%
Automotive AEC-Q200, DDRAM, SDRAM
1206 (3216 Metric), Concave, Long Side Terminals
Isolated
RFQ
4816P-1-104LF
Bourns Inc.
RES ARRAY 8 RES 100K OHM 16SOIC
In magazzino68610 pcs
-
16-SOM
16
100k
8
160mW
±100ppm/°C
-
4816P
Tape & Reel (TR)
-55°C ~ 125°C
4800P
Surface Mount
0.440' L x 0.220' W (11.18mm x 5.59mm)
0.094' (2.40mm)
±2%
Automotive AEC-Q200
16-SOIC (0.220', 5.59mm Width)
Isolated
RFQ
4306R-102-222LF
Bourns Inc.
RES ARRAY 3 RES 2.2K OHM 6SIP
In magazzino76510 pcs
-
6-SIP
6
2.2k
3
300mW
±100ppm/°C
50ppm/°C
4306R
Tube
-55°C ~ 125°C
4300R
Through Hole
0.584" L x 0.085" W (14.83mm x 2.16mm)
0.195" (4.95mm)
±2%
-
6-SIP
Isolated
RFQ
CAY16-220J4LF
Bourns Inc.
RES ARRAY 4 RES 22 OHM 1206
In magazzino3485250 pcs
-
1206
8
22
4
62.5mW
±200ppm/°C
-
CAY16
Tape & Reel (TR)
-55°C ~ 125°C
CAY16
Surface Mount
0.126' L x 0.063' W (3.20mm x 1.60mm)
0.024' (0.60mm)
±5%
-
1206 (3216 Metric), Convex, Long Side Terminals
Isolated
RFQ
ORNTA5001AT1
Vishay Dale Thin Film
RES ARRAY 4 RES 5K OHM 8SOIC
In magazzino13896 pcs
±0.05%
-
8
5k
4
100mW
±25ppm/°C
±5ppm/°C
-
Tape & Reel (TR)
-55°C ~ 125°C
ORN
Surface Mount
0.194' L x 0.157' W (4.93mm x 3.99mm)
0.068' (1.73mm)
±0.1%
-
8-SOIC (0.154', 3.90mm Width)
Isolated
RFQ
MNR34J5ABJ681
Rohm Semiconductor
RES ARRAY 4 RES 680 OHM 2012
In magazzino854500 pcs
-
-
8
680
4
125mW
±200ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 125°C
MNR
Surface Mount
0.205" L x 0.122" W (5.20mm x 3.10mm)
0.026" (0.65mm)
±5%
Automotive AEC-Q200
2012, Convex, Long Side Terminals
Isolated
RFQ
4816P-1-333LF
Bourns Inc.
RES ARRAY 8 RES 33K OHM 16SOIC
In magazzino57100 pcs
-
16-SOM
16
33k
8
160mW
±100ppm/°C
-
4816P
Tape & Reel (TR)
-55°C ~ 125°C
4800P
Surface Mount
0.440' L x 0.220' W (11.18mm x 5.59mm)
0.094' (2.40mm)
±2%
Automotive AEC-Q200
16-SOIC (0.220', 5.59mm Width)
Isolated
RFQ
742C083000XP
CTS Resistor Products
RES ARRAY 4 RES ZERO OHM 1206
In magazzino1012850 pcs
-
-
8
0.0
4
63mW
±200ppm/°C
-
742C083
Tape & Reel (TR)
-55°C ~ 125°C
742
Surface Mount
0.126" L x 0.063" W (3.20mm x 1.60mm)
0.028" (0.70mm)
Jumper
Automotive AEC-Q200, DDR SDRAM, DRAM, MDDR
1206 (3216 Metric), Concave, Long Side Terminals
Isolated
RFQ
4610X-101-104LF
Bourns Inc.
RES ARRAY 9 RES 100K OHM 10SIP
In magazzino541800 pcs
-
10-SIP
10
100k
9
200mW
±100ppm/°C
-
4610X
Bulk
-55°C ~ 125°C
4600X
Through Hole
0.998" L x 0.098" W (25.35mm x 2.49mm)
0.200" (5.08mm)
±2%
-
10-SIP
Bussed
RFQ
CRA04S08368R0JTD
Vishay Dale
RES ARRAY 4 RES 68 OHM 0804
In magazzino2936100 pcs
-
-
8
68
4
62.5mW
±200ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 155°C
CRA04
Surface Mount
0.079' L x 0.039' W (2.00mm x 1.00mm)
0.022' (0.55mm)
±5%
-
0804, Convex, Long Side Terminals
Isolated
RFQ
YC164-JR-071KL
YAGEO
RES ARRAY 4 RES 1K OHM 1206
In magazzino3376400 pcs
-
-
8
1k
4
62.5mW
±200ppm/°C
-
YC164-JR
Tape & Reel (TR)
-55°C ~ 155°C
YC164
Surface Mount
0.126' L x 0.063' W (3.20mm x 1.60mm)
0.028' (0.70mm)
±5%
Automotive AEC-Q200, DDRAM, SDRAM
1206 (3216 Metric), Convex, Long Side Terminals
Isolated
RFQ
4306M-102-202
Bourns Inc.
RES ARRAY 3 RES 2K OHM 6SIP
In magazzino56770 pcs
-
6-SIP
6
2k
3
400mW
±100ppm/°C
50ppm/°C
4306M
Tube
-55°C ~ 125°C
4300M
Through Hole
0.584' L x 0.085' W (14.83mm x 2.16mm)
0.250' (6.35mm)
±2%
-
6-SIP
Isolated
RFQ
766163330GP
CTS Resistor Products
RES ARRAY 8 RES 33 OHM 16SOIC
In magazzino41478 pcs
-
-
16
33
8
160mW
±200ppm/°C
-
-
Tube
-55°C ~ 125°C
766
Surface Mount
0.390" L x 0.154" W (9.90mm x 3.90mm)
0.069" (1.75mm)
±2%
-
16-SOIC (0.154", 3.90mm Width)
Isolated
RFQ
4308R-101-682LF
Bourns Inc.
RES ARRAY 7 RES 6.8K OHM 8SIP
In magazzino49330 pcs
-
8-SIP
8
6.8k
7
200mW
±100ppm/°C
50ppm/°C
4308R
Tube
-55°C ~ 125°C
4300R
Through Hole
0.784" L x 0.085" W (19.91mm x 2.16mm)
0.195" (4.95mm)
±2%
-
8-SIP
Bussed
RFQ
MNR04M0APJ102
Rohm Semiconductor
RES ARRAY 4 RES 1K OHM 0804
In magazzino843600 pcs
-
-
8
1k
4
62.5mW
±200ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 155°C
MNR
Surface Mount
0.079' L x 0.039' W (2.00mm x 1.00mm)
0.018' (0.45mm)
±5%
Automotive AEC-Q200
0804, Convex, Long Side Terminals
Isolated
RFQ
4306R-102-183LF
Bourns Inc.
RES ARRAY 3 RES 18K OHM 6SIP
In magazzino53020 pcs
-
6-SIP
6
18k
3
300mW
±100ppm/°C
50ppm/°C
4306R
Tube
-55°C ~ 125°C
4300R
Through Hole
0.584" L x 0.085" W (14.83mm x 2.16mm)
0.195" (4.95mm)
±2%
-
6-SIP
Isolated
RFQ
4116R-1-223LF
Bourns Inc.
RES ARRAY 8 RES 22K OHM 16DIP
In magazzino49870 pcs
-
16-DIP
16
22k
8
250mW
±100ppm/°C
50ppm/°C
4116R
Tube
-55°C ~ 125°C
4100R
Through Hole
0.865" L x 0.300" W (21.97mm x 7.62mm)
0.185" (4.69mm)
±2%
-
16-DIP (0.300", 7.62mm)
Isolated
RFQ
YC164-JR-0710RL
YAGEO
RES ARRAY 4 RES 10 OHM 1206
In magazzino1949500 pcs
-
-
8
10
4
62.5mW
±200ppm/°C
-
YC164-JR
Tape & Reel (TR)
-55°C ~ 155°C
YC164
Surface Mount
0.126" L x 0.063" W (3.20mm x 1.60mm)
0.028" (0.70mm)
±5%
Automotive AEC-Q200, DDRAM, SDRAM
1206 (3216 Metric), Convex, Long Side Terminals
Isolated
RFQ
767163103GPTR13
CTS Resistor Products
RES ARRAY 8 RES 10K OHM 16SOIC
In magazzino24818 pcs
-
-
16
10k
8
200mW
±100ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 125°C
767
Surface Mount
0.440" L x 0.220" W (11.18mm x 5.59mm)
0.093" (2.36mm)
±2%
-
16-SOIC (0.220", 5.59mm Width)
Isolated
RFQ
CRA06P0834K70JTA
Vishay Dale
RES ARRAY 4 RES 4.7K OHM 1206
In magazzino430600 pcs
-
-
8
4.7k
4
62.5mW
±200ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 155°C
CRA06
Surface Mount
0.126' L x 0.063' W (3.20mm x 1.60mm)
0.028' (0.70mm)
±5%
-
1206 (3216 Metric), Concave, Long Side Terminals
Isolated
RFQ
4306R-101-393
Bourns Inc.
RES ARRAY 5 RES 39K OHM 6SIP
In magazzino74630 pcs
-
6-SIP
6
39k
5
200mW
±100ppm/°C
50ppm/°C
4306R
Tube
-55°C ~ 125°C
4300R
Through Hole
0.584' L x 0.085' W (14.83mm x 2.16mm)
0.195' (4.95mm)
±2%
-
6-SIP
Bussed
RFQ
MAX5490GA01000+T
Analog Devices Inc./Maxim Integrated
RES NTWRK 2 RES 50K OHM TO236-3
In magazzino10744 pcs
±0.035%
SOT-23-3
3
50k
2
67.2mW
±35ppm/°C
±1ppm/°C
MAX5490
Tape & Reel (TR)
-55°C ~ 125°C
MAX5490
Surface Mount
0.115' L x 0.051' W (2.92mm x 1.30mm)
0.044' (1.12mm)
-
Voltage Divider (TCR Matched)
TO-236-3, SC-59, SOT-23-3
Voltage Divider
RFQ
4816P-T01-104LF
Bourns Inc.
RES ARRAY 8 RES 100K OHM 16SOIC
In magazzino85740 pcs
-
16-SOM
16
100k
8
160mW
±100ppm/°C
-
4816P
Tube
-55°C ~ 125°C
4800P
Surface Mount
0.440" L x 0.220" W (11.18mm x 5.59mm)
0.094" (2.40mm)
±2%
Automotive AEC-Q200
16-SOIC (0.220", 5.59mm Width)
Isolated
RFQ
YC248-JR-0710KL
YAGEO
RES ARRAY 8 RES 10K OHM 1606
In magazzino908750 pcs
-
-
16
10k
8
62.5mW
±200ppm/°C
-
YC248-JR
Tape & Reel (TR)
-55°C ~ 155°C
YC248
Surface Mount
0.157' L x 0.063' W (4.00mm x 1.60mm)
0.022' (0.55mm)
±5%
Automotive AEC-Q200, DDRAM, SDRAM
1606, Convex, Long Side Terminals
Isolated
RFQ
4606X-101-474LF
Bourns Inc.
RES ARRAY 5 RES 470K OHM 6SIP
In magazzino765350 pcs
-
6-SIP
6
470k
5
200mW
±100ppm/°C
-
4606X
Bulk
-55°C ~ 125°C
4600X
Through Hole
0.598" L x 0.098" W (15.19mm x 2.49mm)
0.200" (5.08mm)
±2%
-
6-SIP
Bussed
RFQ
VSSR2001103JUF
Vishay Dale Thin Film
RES ARRAY 19 RES 10K OHM 20SSOP
In magazzino40001 pcs
-
20-SSOP
20
10k
19
100mW
±100ppm/°C
-
-
Tube
-55°C ~ 125°C
VSSR
Surface Mount
0.341' L x 0.154' W (8.66mm x 3.91mm)
0.069' (1.76mm)
±5%
-
20-SSOP (0.154', 3.90mm Width)
Bussed
RFQ
CRA04S0834K75FTD
Vishay Dale
RES ARRAY 4 RES 4.75K OHM 0804
In magazzino252200 pcs
-
-
8
4.75k
4
62.5mW
±100ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 155°C
CRA04
Surface Mount
0.079" L x 0.039" W (2.00mm x 1.00mm)
0.022" (0.55mm)
±1%
-
0804, Convex, Long Side Terminals
Isolated
RFQ
MAX5491LB01000+T
Analog Devices Inc./Maxim Integrated
RES NTWRK 2 RES 15K OHM TO236-3
In magazzino7519 pcs
±0.05%
SOT-23-3
3
15k
2
87.5mW
±35ppm/°C
±2ppm/°C
MAX549
Tape & Reel (TR)
-40°C ~ 85°C
MAX5491
Surface Mount
0.115" L x 0.051" W (2.92mm x 1.30mm)
0.044" (1.12mm)
-
Voltage Divider (TCR Matched)
TO-236-3, SC-59, SOT-23-3
Voltage Divider
RFQ
4816P-1-152LF
Bourns Inc.
RES ARRAY 8 RES 1.5K OHM 16SOIC
In magazzino67620 pcs
-
16-SOM
16
1.5k
8
160mW
±100ppm/°C
-
4816P
Tape & Reel (TR)
-55°C ~ 125°C
4800P
Surface Mount
0.440' L x 0.220' W (11.18mm x 5.59mm)
0.094' (2.40mm)
±2%
Automotive AEC-Q200
16-SOIC (0.220', 5.59mm Width)
Isolated
RFQ
4816P-T01-102LF
Bourns Inc.
RES ARRAY 8 RES 1K OHM 16SOIC
In magazzino95980 pcs
-
16-SOM
16
1k
8
160mW
±100ppm/°C
-
4816P
Tube
-55°C ~ 125°C
4800P
Surface Mount
0.440" L x 0.220" W (11.18mm x 5.59mm)
0.094" (2.40mm)
±2%
Automotive AEC-Q200
16-SOIC (0.220", 5.59mm Width)
Isolated
RFQ
MPMT10011002AT1
Vishay Dale Thin Film
RES NTWRK 2 RES 1K, 10K OHM
In magazzino17846 pcs
±0.05%
SOT-23
3
1k, 10k
2
100mW
±25ppm/°C
±2ppm/°C
-
Tape & Reel (TR)
-55°C ~ 125°C
MPM
Surface Mount
0.113' L x 0.051' W (2.86mm x 1.30mm)
0.044' (1.12mm)
±0.1%
Voltage Divider (TCR Matched)
TO-236-3, SC-59, SOT-23-3
Voltage Divider
RFQ
4816P-2-473LF
Bourns Inc.
RES ARRAY 15 RES 47K OHM 16SOIC
In magazzino59610 pcs
-
16-SOM
16
47k
15
80mW
±100ppm/°C
-
4816P
Tape & Reel (TR)
-55°C ~ 125°C
4800P
Surface Mount
0.440' L x 0.220' W (11.18mm x 5.59mm)
0.094' (2.40mm)
±2%
Automotive AEC-Q200
16-SOIC (0.220', 5.59mm Width)
Bussed
RFQ
4816P-2-563
Bourns Inc.
RNET-THK FILM SMD MED BODY
In magazzino100520 pcs
-
16-SOM
16
56k
15
80mW
±100ppm/°C
50ppm/°C
-
Tape & Reel (TR)
-55°C ~ 125°C
4800P
Surface Mount
0.440" L x 0.220" W (11.18mm x 5.59mm)
0.094" (2.40mm)
±2%
Automotive AEC-Q200
16-SOIC (0.220", 5.59mm Width)
Bussed
RFQ
4816P-1-510
Bourns Inc.
RES ARRAY 8 RES 51 OHM 16SOIC
In magazzino57360 pcs
-
16-SOM
16
51
8
160mW
±100ppm/°C
-
4816P
Tape & Reel (TR)
-55°C ~ 125°C
4800P
Surface Mount
0.440" L x 0.220" W (11.18mm x 5.59mm)
0.094" (2.40mm)
±2%
Automotive AEC-Q200
16-SOIC (0.220", 5.59mm Width)
Isolated
RFQ
767163203GP
CTS Resistor Products
RES ARRAY 8 RES 20K OHM 16SOIC
In magazzino29454 pcs
-
-
16
20k
8
200mW
±100ppm/°C
-
-
Tube
-55°C ~ 125°C
767
Surface Mount
0.440' L x 0.220' W (11.18mm x 5.59mm)
0.093' (2.36mm)
±2%
-
16-SOIC (0.220', 5.59mm Width)
Isolated
RFQ
MORNTA5002AT5
Vishay Dale Thin Film
RES ARRAY 4 RES 50K OHM 8TSSOP
In magazzino21286 pcs
±0.05%
8-MSOP
8
50k
4
50mW
±25ppm/°C
±1ppm/°C
-
Tape & Reel (TR)
-55°C ~ 125°C
MORN
Surface Mount
0.118' L x 0.118' W (3.00mm x 3.00mm)
0.043' (1.10mm)
±0.1%
-
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
Isolated
RFQ
MNR04M0APJ472
Rohm Semiconductor
RES ARRAY 4 RES 4.7K OHM 0804
In magazzino358000 pcs
-
-
8
4.7k
4
62.5mW
±200ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 155°C
MNR
Surface Mount
0.079" L x 0.039" W (2.00mm x 1.00mm)
0.018" (0.45mm)
±5%
Automotive AEC-Q200
0804, Convex, Long Side Terminals
Isolated
RFQ
MNR14E0APJ514
Rohm Semiconductor
RES ARRAY 4 RES 510K OHM 1206
In magazzino678800 pcs
-
-
8
510k
4
62.5mW
±200ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 155°C
MNR
Surface Mount
0.126" L x 0.063" W (3.20mm x 1.60mm)
0.024" (0.60mm)
±5%
Automotive AEC-Q200
1206 (3216 Metric), Convex, Long Side Terminals
Isolated
RFQ
MNR14E0APJ750
Rohm Semiconductor
RES ARRAY 4 RES 75 OHM 1206
In magazzino771700 pcs
-
-
8
75
4
62.5mW
±200ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 155°C
MNR
Surface Mount
0.126" L x 0.063" W (3.20mm x 1.60mm)
0.024" (0.60mm)
±5%
Automotive AEC-Q200
1206 (3216 Metric), Convex, Long Side Terminals
Isolated
RFQ
4606X-102-100LF
Bourns Inc.
RES ARRAY 3 RES 10 OHM 6SIP
In magazzino518550 pcs
-
6-SIP
6
10
3
300mW
±250ppm/°C
-
4606X
Bulk
-55°C ~ 125°C
4600X
Through Hole
0.598' L x 0.098' W (15.19mm x 2.49mm)
0.200' (5.08mm)
±1Ohm
-
6-SIP
Isolated
RFQ
CAY16-47R0F4LF
Bourns Inc.
RES ARRAY 4 RES 47 OHM 1206
In magazzino2138150 pcs
-
1206
8
47
4
62.5mW
±200ppm/°C
-
CAY16
Tape & Reel (TR)
-55°C ~ 125°C
CAY16
Surface Mount
0.126" L x 0.063" W (3.20mm x 1.60mm)
0.024" (0.60mm)
±1%
-
1206 (3216 Metric), Convex, Long Side Terminals
Isolated
RFQ
4816P-1-104
Bourns Inc.
RNET-THK FILM SMD MED BODY
In magazzino99580 pcs
-
16-SOM
16
100k
8
160mW
±100ppm/°C
50ppm/°C
-
Tape & Reel (TR)
-55°C ~ 125°C
4800P
Surface Mount
0.440" L x 0.220" W (11.18mm x 5.59mm)
0.094" (2.40mm)
±2%
Automotive AEC-Q200
16-SOIC (0.220", 5.59mm Width)
Isolated
RFQ
YC164-JR-078K2L
YAGEO
RES ARRAY 4 RES 8.2K OHM 1206
In magazzino3101900 pcs
-
-
8
8.2k
4
62.5mW
±200ppm/°C
-
YC164-JR
Tape & Reel (TR)
-55°C ~ 155°C
YC164
Surface Mount
0.126" L x 0.063" W (3.20mm x 1.60mm)
0.028" (0.70mm)
±5%
Automotive AEC-Q200, DDRAM, SDRAM
1206 (3216 Metric), Convex, Long Side Terminals
Isolated
RFQ
LT5400BMPMS8E-6#TRPBF
Analog Devices Inc.
RES ARRAY 4 RES MULT OHM 8TSSOP
In magazzino2118 pcs
±0.025%
8-MSOP-EP
8
1k, 5k
4
800mW
±25ppm/°C
±0.2ppm/°C
LT5400
Tape & Reel (TR)
-55°C ~ 150°C
LT5400
Surface Mount
0.118" L x 0.118" W (3.00mm x 3.00mm)
0.043" (1.10mm)
±15%
Voltage Divider (TCR Matched)
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Isolated
RFQ
TC164-JR-0710RL
YAGEO
RES ARRAY 4 RES 10 OHM 1206
In magazzino1684950 pcs
-
-
8
10
4
62.5mW
±200ppm/°C
-
TC164-JR
Tape & Reel (TR)
-55°C ~ 155°C
TC164
Surface Mount
0.126' L x 0.063' W (3.20mm x 1.60mm)
0.028' (0.70mm)
±5%
Automotive AEC-Q200, DDRAM, SDRAM
1206 (3216 Metric), Concave, Long Side Terminals
Isolated
RFQ
766161471GP
CTS Resistor Products
RES ARRAY 15 RES 470 OHM 16SOIC
In magazzino33635 pcs
-
-
16
470
15
80mW
±100ppm/°C
-
-
Tube
-55°C ~ 125°C
766
Surface Mount
0.390" L x 0.154" W (9.90mm x 3.90mm)
0.069" (1.75mm)
±2%
-
16-SOIC (0.154", 3.90mm Width)
Bussed
RFQ
4116R-1-330LF
Bourns Inc.
RES ARRAY 8 RES 33 OHM 16DIP
In magazzino61190 pcs
-
16-DIP
16
33
8
250mW
±250ppm/°C
50ppm/°C
4116R
Tube
-55°C ~ 125°C
4100R
Through Hole
0.865' L x 0.300' W (21.97mm x 7.62mm)
0.185' (4.69mm)
±1Ohm
-
16-DIP (0.300', 7.62mm)
Isolated
RFQ