MORNTA2502AT5
Vishay Dale Thin Film
RES ARRAY 4 RES 25K OHM 8TSSOP
स्टॉक में19281 pcs
±0.05%
8-MSOP
8
25k
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
742C163221JP
CTS Resistor Products
RES ARRAY 8 RES 220 OHM 2506
स्टॉक में312250 pcs
-
-
16
220
8
63mW
±200ppm/°C
-
742C163
Tape & Reel (TR)
-55°C ~ 125°C
742
Surface Mount
0.252' L x 0.063' W (6.40mm x 1.60mm)
0.028' (0.70mm)
±5%
DDR SDRAM, DRAM, MDDR
2506, Concave, Long Side Terminals
Isolated
RFQ
YC164-FR-0733RL
YAGEO
RES ARRAY 4 RES 33 OHM 1206
स्टॉक में1469550 pcs
-
-
8
33
4
62.5mW
±200ppm/°C
-
YC164-FR
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)
±1%
Automotive AEC-Q200, DDRAM, SDRAM
1206 (3216 Metric), Convex, Long Side Terminals
Isolated
RFQ
4310R-101-682LF
Bourns Inc.
RES ARRAY 9 RES 6.8K OHM 10SIP
स्टॉक में54410 pcs
-
10-SIP
10
6.8k
9
200mW
±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
Bussed
RFQ
4816P-1-562LF
Bourns Inc.
RES ARRAY 8 RES 5.6K OHM 16SOIC
स्टॉक में67910 pcs
-
16-SOM
16
5.6k
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
4308R-101-392LF
Bourns Inc.
RES ARRAY 7 RES 3.9K OHM 8SIP
स्टॉक में69070 pcs
-
8-SIP
8
3.9k
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
YC124-JR-074K7L
YAGEO
RES ARRAY 4 RES 4.7K OHM 0804
स्टॉक में4620100 pcs
-
-
8
4.7k
4
62.5mW
±200ppm/°C
-
YC124-JR
Tape & Reel (TR)
-55°C ~ 155°C
YC124
Surface Mount
0.079' L x 0.039' W (2.00mm x 1.00mm)
0.022' (0.55mm)
±5%
Automotive AEC-Q200, DDRAM, SDRAM
0804, Convex, Long Side Terminals
Isolated
RFQ
MAX5490GA01000+T
Analog Devices Inc./Maxim Integrated
RES NTWRK 2 RES 50K OHM TO236-3
स्टॉक में10744 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
4310R-104-161/241L
Bourns Inc.
RES NTWRK 16 RES MULT OHM 10SIP
स्टॉक में47210 pcs
-
10-SIP
10
160, 240
16
200mW
±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
Dual Terminator
RFQ
MNR14E0ABJ222
Rohm Semiconductor
RES ARRAY 4 RES 2.2K OHM 1206
स्टॉक में663900 pcs
-
-
8
2.2k
4
62.5mW
±200ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 125°C
MNR
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
766163103GP
CTS Resistor Products
RES ARRAY 8 RES 10K OHM 16SOIC
स्टॉक में38026 pcs
-
-
16
10k
8
160mW
±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)
Isolated
RFQ
YC164-JR-0733RL
YAGEO
RES ARRAY 4 RES 33 OHM 1206
स्टॉक में3072100 pcs
-
-
8
33
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
SOMC160115K0GEA
Vishay Dale
RES ARRAY 15 RES 15K OHM 16SOIC
स्टॉक में24599 pcs
-
-
16
15k
15
80mW
±100ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 150°C
SOMC
Surface Mount
0.440" L x 0.220" W (11.18mm x 5.59mm)
0.090" (2.29mm)
±2%
-
16-SOIC (0.220", 5.59mm Width)
Bussed
RFQ
CAY17-103JALF
Bourns Inc.
RES ARRAY 8 RES 10K OHM 1206
स्टॉक में2316500 pcs
-
1206
10
10k
8
62.5mW
±250ppm/°C
-
CAY17
Tape & Reel (TR)
-55°C ~ 155°C
CAY17
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
Bussed
RFQ
CAY17-101JALF
Bourns Inc.
RES ARRAY 8 RES 100 OHM 1206
स्टॉक में1389850 pcs
-
1206
10
100
8
62.5mW
±250ppm/°C
-
CAY17
Tape & Reel (TR)
-55°C ~ 155°C
CAY17
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
Bussed
RFQ
MSP10C0110K0GEJ
Vishay Dale
RES ARRAY 9 RES 10K OHM 10SIP
स्टॉक में7810 pcs
-
10-SIP
10
10k
9
250mW
±100ppm/°C
±50ppm/°C
-
Tube
-55°C ~ 125°C
MSP
Through Hole
0.990" L x 0.090" W (25.15mm x 2.29mm)
0.350" (8.89mm)
±2%
-
10-SIP
Bussed
RFQ
4310R-101-473
Bourns Inc.
RES ARRAY 9 RES 47K OHM 10SIP
स्टॉक में39300 pcs
-
10-SIP
10
47k
9
200mW
±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
Bussed
RFQ
LT5400AHMS8E-1#PBF
Analog Devices Inc.
RES ARRAY 4 RES 10K OHM 8TSSOP
स्टॉक में2189 pcs
±0.0125%
8-MSOP-EP
8
10k
4
800mW
±25ppm/°C
±0.2ppm/°C
LT5400
Tube
-40°C ~ 125°C
LT5400
Surface Mount
0.118' L x 0.118' W (3.00mm x 3.00mm)
0.043' (1.10mm)
±7.5%
Voltage Divider (TCR Matched)
8-TSSOP, 8-MSOP (0.118', 3.00mm Width) Exposed Pad
Isolated
RFQ
4816P-2-563
Bourns Inc.
RNET-THK FILM SMD MED BODY
स्टॉक में100520 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
4306R-102-392LF
Bourns Inc.
RES ARRAY 3 RES 3.9K OHM 6SIP
स्टॉक में75750 pcs
-
6-SIP
6
3.9k
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
4309R-101-221LF
Bourns Inc.
RES ARRAY 8 RES 220 OHM 9SIP
स्टॉक में39320 pcs
-
9-SIP
9
220
8
200mW
±100ppm/°C
50ppm/°C
4309R
Tube
-55°C ~ 125°C
4300R
Through Hole
0.884" L x 0.085" W (22.45mm x 2.16mm)
0.195" (4.95mm)
±2%
-
9-SIP
Bussed
RFQ
4816P-T01-181LF
Bourns Inc.
RES ARRAY 8 RES 180 OHM 16SOIC
स्टॉक में87830 pcs
-
16-SOM
16
180
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
4816P-1-391
Bourns Inc.
RNET-THK FILM SMD MED BODY
स्टॉक में73930 pcs
-
16-SOM
16
390
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
4310R-R2R-103
Bourns Inc.
RES NTWRK 16 RES MULT OHM 10SIP
स्टॉक में63550 pcs
-
10-SIP
10
10k, 20k
16
125mW
±100ppm/°C
50ppm/°C
-
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
R2R Ladder
RFQ
4816P-2-471LF
Bourns Inc.
RES ARRAY 15 RES 470 OHM 16SOIC
स्टॉक में89920 pcs
-
16-SOM
16
470
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
YC124-JR-07100RL
YAGEO
RES ARRAY 4 RES 100 OHM 0804
स्टॉक में5167400 pcs
-
-
8
100
4
62.5mW
±200ppm/°C
-
YC124-JR
Tape & Reel (TR)
-55°C ~ 155°C
YC124
Surface Mount
0.079' L x 0.039' W (2.00mm x 1.00mm)
0.022' (0.55mm)
±5%
Automotive AEC-Q200, DDRAM, SDRAM
0804, Convex, Long Side Terminals
Isolated
RFQ
4816P-1-151LF
Bourns Inc.
RES ARRAY 8 RES 150 OHM 16SOIC
स्टॉक में75390 pcs
-
16-SOM
16
150
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
MNR14E0ABJ472
Rohm Semiconductor
RES ARRAY 4 RES 4.7K OHM 1206
स्टॉक में507400 pcs
-
-
8
4.7k
4
62.5mW
±200ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 125°C
MNR
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
TC164-JR-0710KL
YAGEO
RES ARRAY 4 RES 10K OHM 1206
स्टॉक में1897250 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
4820P-1-104LF
Bourns Inc.
RES ARRAY 10 RES 100K OHM 20SOIC
स्टॉक में53440 pcs
-
20-SOM
20
100k
10
160mW
±100ppm/°C
-
4820P
Tape & Reel (TR)
-55°C ~ 125°C
4800P
Surface Mount
0.540' L x 0.220' W (13.72mm x 5.59mm)
0.094' (2.40mm)
±2%
Automotive AEC-Q200
20-SOIC (0.220', 5.59mm Width)
Isolated
RFQ
4609X-101-221LF
Bourns Inc.
RES ARRAY 8 RES 220 OHM 9SIP
स्टॉक में482000 pcs
-
9-SIP
9
220
8
200mW
±100ppm/°C
-
4609X
Bulk
-55°C ~ 125°C
4600X
Through Hole
0.898" L x 0.098" W (22.81mm x 2.49mm)
0.200" (5.08mm)
±2%
-
9-SIP
Bussed
RFQ
LT5400BCMS8E-3#PBF
Analog Devices Inc.
RES ARRAY 4 RES MULT OHM 8TSSOP
स्टॉक में6999 pcs
±0.025%
8-MSOP-EP
8
10k, 100k
4
800mW
±25ppm/°C
±0.2ppm/°C
LT5400
Tube
0°C ~ 70°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
4306R-102-222LF
Bourns Inc.
RES ARRAY 3 RES 2.2K OHM 6SIP
स्टॉक में76510 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
CAT10-102J4LF
Bourns Inc.
RES ARRAY 4 RES 1K OHM 0804
स्टॉक में3325050 pcs
-
0804
8
1k
4
62.5mW
±250ppm/°C
-
CAT10
Tape & Reel (TR)
-55°C ~ 125°C
CAT10
Surface Mount
0.079' L x 0.039' W (2.00mm x 1.00mm)
0.022' (0.55mm)
±5%
-
0804, Concave, Long Side Terminals
Isolated
RFQ
767163392GPTR13
CTS Resistor Products
RES ARRAY 8 RES 3.9K OHM 16SOIC
स्टॉक में29901 pcs
-
-
16
3.9k
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
767163472GPTR13
CTS Resistor Products
RES ARRAY 8 RES 4.7K OHM 16SOIC
स्टॉक में40792 pcs
-
-
16
4.7k
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
4609X-101-105LF
Bourns Inc.
RES ARRAY 8 RES 1M OHM 9SIP
स्टॉक में322450 pcs
-
9-SIP
9
1M
8
200mW
±100ppm/°C
-
4609X
Bulk
-55°C ~ 125°C
4600X
Through Hole
0.898" L x 0.098" W (22.81mm x 2.49mm)
0.200" (5.08mm)
±2%
-
9-SIP
Bussed
RFQ
4308R-101-271
Bourns Inc.
RES ARRAY 7 RES 270 OHM 8SIP
स्टॉक में44460 pcs
-
8-SIP
8
270
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
MNR34J5ABJ203
Rohm Semiconductor
RES ARRAY 4 RES 20K OHM 2012
स्टॉक में596100 pcs
-
-
8
20k
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
4116R-2-333
Bourns Inc.
RNET - THK FILM MOLD DIP
स्टॉक में54880 pcs
-
16-DIP
16
33k
15
125mW
±100ppm/°C
50ppm/°C
-
Tube
-55°C ~ 125°C
4100R
Through Hole
0.865" L x 0.264" W (21.97mm x 6.71mm)
0.185" (4.69mm)
±2%
-
16-DIP (0.300", 7.62mm)
Bussed
RFQ
YC124-JR-0756RL
YAGEO
RES ARRAY 4 RES 56 OHM 0804
स्टॉक में5235700 pcs
-
-
8
56
4
62.5mW
±200ppm/°C
-
YC124-JR
Tape & Reel (TR)
-55°C ~ 155°C
YC124
Surface Mount
0.079' L x 0.039' W (2.00mm x 1.00mm)
0.022' (0.55mm)
±5%
Automotive AEC-Q200, DDRAM, SDRAM
0804, Convex, Long Side Terminals
Isolated
RFQ
4608X-101-471LF
Bourns Inc.
RES ARRAY 7 RES 470 OHM 8SIP
स्टॉक में386550 pcs
-
8-SIP
8
470
7
200mW
±100ppm/°C
-
4608X
Bulk
-55°C ~ 125°C
4600X
Through Hole
0.798" L x 0.098" W (20.27mm x 2.49mm)
0.200" (5.08mm)
±2%
-
8-SIP
Bussed
RFQ
767163221G
CTS Resistor Products
RES ARRAY 8 RES 220 OHM 16SOIC
स्टॉक में641200 pcs
-
-
16
220
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
766141202G
CTS Resistor Products
RES ARRAY 13 RES 2K OHM 14SOIC
स्टॉक में698700 pcs
-
-
14
2k
13
80mW
±100ppm/°C
-
-
Tube
-55°C ~ 125°C
766
Surface Mount
0.341' L x 0.154' W (8.65mm x 3.90mm)
0.069' (1.75mm)
±2%
-
14-SOIC (0.154', 3.90mm Width)
Bussed
RFQ
4816P-1-472
Bourns Inc.
RNET-THK FILM SMD MED BODY
स्टॉक में66610 pcs
-
16-SOM
16
4.7k
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
HVD5-A20M-050-05
Caddock Electronics Inc.
RES NETWORK 2 RES MULT OHM 15SIP
स्टॉक में1024 pcs
±0.05%
-
6
20k, 19.98M
2
31mW
±30ppm/°C
±5ppm/°C
-
Bulk
-40°C ~ 85°C
HVD
Through Hole
1.500" L x 0.110" W (38.10mm x 2.79mm)
0.610" (15.50mm)
±0.1%
Voltage Divider (TCR Matched)
15-SIP, 6 Leads
Voltage Divider
RFQ
4816P-2-473LF
Bourns Inc.
RES ARRAY 15 RES 47K OHM 16SOIC
स्टॉक में59610 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
MAX5491PC02000+T
Analog Devices Inc./Maxim Integrated
RES NTWRK 2 RES MULT OHM TO236-3
स्टॉक में6143 pcs
±0.1%
SOT-23-3
3
10k, 20k
2
87.5mW
±35ppm/°C
±2ppm/°C
MAX5491
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
SOMC160310K0FEA
Vishay Dale
RES ARRAY 8 RES 10K OHM 16SOIC
स्टॉक में23626 pcs
-
-
16
10k
8
160mW
±100ppm/°C
-
-
Tape & Reel (TR)
-55°C ~ 150°C
SOMC
Surface Mount
0.440' L x 0.220' W (11.18mm x 5.59mm)
0.090' (2.29mm)
±1%
-
16-SOIC (0.220', 5.59mm Width)
Isolated
RFQ
767163220GPTR13
CTS Resistor Products
RES ARRAY 8 RES 22 OHM 16SOIC
स्टॉक में26743 pcs
-
-
16
22
8
200mW
±200ppm/°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