SMK316BJ223KL-T
Taiyo Yuden
CAP CER 0.022UF 630V X5R 1206
vorrätig607950 pcs
SMPS Filtering
-
1206 (3216 Metric)
X5R
0.071" (1.80mm)
-
-
-
-
-
-
SMK316B
Tape & Reel (TR)
M
-
-
630V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
High Voltage
0.022 µF
±10%
RFQ
C2012CH2W392K125AA
TDK Corporation
CAP CER 3900PF 450V CH 0805
vorrätig430850 pcs
General Purpose
-
0805 (2012 Metric)
CH
0.057' (1.45mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
-
450V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
-
3900 pF
±10%
RFQ
GRM1557U1H5R8CZ01D
Murata Electronics
CAP CER 5.8PF 50V U2J 0402
vorrätig415300 pcs
General Purpose
-
0402 (1005 Metric)
U2J
0.022' (0.55mm)
-
-
-
-
-
-
GRM1557U1H
Tape & Reel (TR)
GRM
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
5.8 pF
±0.25pF
RFQ
GRM2196S2A4R2CD01D
Murata Electronics
CAP CER 4.2PF 100V S2H 0805
vorrätig71400 pcs
General Purpose
-
0805 (2012 Metric)
S2H
0.037' (0.95mm)
-
-
-
-
-
-
GRM2196S2A
Tape & Reel (TR)
GRM
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
-
4.2 pF
±0.25pF
RFQ
JMK316BJ475KD-T
Taiyo Yuden
CAP CER 4.7UF 6.3V X5R 1206
vorrätig145700 pcs
SMPS Filtering
-
1206 (3216 Metric)
X5R
0.037" (0.95mm)
-
-
-
-
-
-
JMK316B
Tape & Reel (TR)
M
-
-
6.3V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
4.7 µF
±10%
RFQ
CL31B473KBCNNNC
Samsung Electro-Mechanics
CAP CER 0.047UF 50V X7R 1206
vorrätig1668950 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.039" (1.00mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
0.047 µF
±10%
RFQ
06035C331JAT4A
KYOCERA AVX
CAP CER 330PF 50V X7R 0603
vorrätig825600 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
330 pF
±5%
RFQ
C1005CH1H151J050BA
TDK Corporation
CAP CER 150PF 50V CH 0402
vorrätig126000 pcs
General Purpose
-
0402 (1005 Metric)
CH
0.022' (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
-
50V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
Low ESL
150 pF
±5%
RFQ
04023A2R2DAT2A
KYOCERA AVX
CAP CER 2.2PF 25V NP0 0402
vorrätig528400 pcs
General Purpose
-
0402 (1005 Metric)
C0G, NP0
0.022" (0.56mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
-
2.2 pF
±0.5pF
RFQ
08053U101FAT9A
KYOCERA AVX
CAP CER 100PF 25V C0G/NP0 0805
vorrätig503600 pcs
RF, Microwave, High Frequency
-
0805 (2012 Metric)
C0G, NP0
0.045" (1.15mm)
-
-
-
-
-
-
-
Bulk
U
-
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.01mm x 1.25mm)
-
Ultra Low ESR
100 pF
±1%
RFQ
TMK432C476MM-T
Taiyo Yuden
CAP CER 47UF 25V X5S 1812
vorrätig395500 pcs
General Purpose
-
1812 (4532 Metric)
X5S
0.106' (2.70mm)
-
-
-
-
-
-
TMK432C
Tape & Reel (TR)
M
-
-
25V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.177' L x 0.126' W (4.50mm x 3.20mm)
-
-
47 µF
±20%
RFQ
12061A821JAT2A
AVX Corporation
CAP CER 820PF 100V C0G/NP0 1206
vorrätig492200 pcs
General Purpose
-
1206 (3216 Metric)
C0G, NP0
0.037" (0.94mm)
-
-
Cut Tape (CT)
Lead free / RoHS Compliant
1 (Unlimited)
478-10854-1
-
-
-
28 Weeks
820pF ±5% 100V Ceramic Capacitor C0G, NP0 1206 (3216 Metric)
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
820pF
±5%
RFQ
CC1812JKNPO9BN472
YAGEO
CAP CER 4700PF 50V C0G/NPO 1812
vorrätig107960 pcs
General Purpose
-
1812 (4532 Metric)
C0G, NP0
0.057' (1.45mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.177' L x 0.126' W (4.50mm x 3.20mm)
-
-
4700 pF
±5%
RFQ
06036A270JAT2A
KYOCERA AVX
CAP CER 27PF 6.3V NP0 0603
vorrätig543300 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
6.3V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
27 pF
±5%
RFQ
12065C563KAT2P
KYOCERA AVX
CAP CER 0.056UF 50V X7R 1206
vorrätig577700 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.037" (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
0.056 µF
±10%
RFQ
12061C684KAT2A
KYOCERA AVX
CAP CER 0.68UF 100V X7R 1206
vorrätig160230 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.037' (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126' L x 0.063' W (3.20mm x 1.60mm)
-
-
0.68 µF
±10%
RFQ
06031C332JAZ2A
KYOCERA AVX
CAP CER 3300PF 100V X7R 0603
vorrätig431600 pcs
Boardflex Sensitive
-
0603 (1608 Metric)
X7R
0.035' (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
FLEXITERM®
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063' L x 0.032' W (1.60mm x 0.81mm)
-
Soft Termination
3300 pF
±5%
RFQ
GRM1555C1H7R5BA01J
Murata Electronics
CAP CER 7.5PF 50V C0G/NP0 0402
vorrätig4898600 pcs
General Purpose
-
0402 (1005 Metric)
C0G, NP0
0.022' (0.55mm)
-
-
-
-
-
-
GRM1555C1H
Tape & Reel (TR)
GRM
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
7.5 pF
±0.1pF
RFQ
CL31B473KEHNNWE
Samsung Electro-Mechanics
CAP CER 0.047UF 250V X7R 1206
vorrätig728500 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.071' (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
-
250V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126' L x 0.063' W (3.20mm x 1.60mm)
-
-
0.047 µF
±10%
RFQ
0603YA101GAT2A
KYOCERA AVX
CAP CER 100PF 16V NP0 0603
vorrätig441750 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
100 pF
±2%
RFQ
GRM21BC81H475KE11K
Murata Electronics
CAP CER 4.7UF 50V X6S 0805
vorrätig533950 pcs
General Purpose
-
0805 (2012 Metric)
X6S
0.057" (1.45mm)
-
-
-
-
-
-
GRM21BC81H
Tape & Reel (TR)
GRM
-
-
50V
-55°C ~ 105°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
-
4.7 µF
±10%
RFQ
08052C561MAT2A
KYOCERA AVX
CAP CER 560PF 200V X7R 0805
vorrätig698800 pcs
General Purpose
-
0805 (2012 Metric)
X7R
0.037" (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
200V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.01mm x 1.25mm)
-
-
560 pF
±20%
RFQ
06035A271MAT2A
KYOCERA AVX
CAP CER 270PF 50V NP0 0603
vorrätig413100 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
270 pF
±20%
RFQ
GRM2196T2A160JD01D
Murata Electronics
CAP CER 16PF 100V T2H 0805
vorrätig411400 pcs
General Purpose
-
0805 (2012 Metric)
T2H
0.037' (0.95mm)
-
-
-
-
-
-
GRM2196T2A
Tape & Reel (TR)
GRM
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
-
16 pF
±5%
RFQ
GRM155R72A332KA01D
Murata Electronics
CAP CER 3300PF 100V X7R 0402
vorrätig3387250 pcs
General Purpose
-
0402 (1005 Metric)
X7R
0.022' (0.55mm)
-
-
-
-
-
-
GRM155R72A
Tape & Reel (TR)
GRM
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
3300 pF
±10%
RFQ
CL21A226KQQNNNF
Samsung Electro-Mechanics
CAP CER 22UF 6.3V X5R 0805
vorrätig1542650 pcs
General Purpose
-
0805 (2012 Metric)
X5R
0.055" (1.40mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
-
6.3V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
-
22 µF
±10%
RFQ
GRM0225C1E9R3DA03L
Murata Electronics
CAP CER 9.3PF 25V C0G/NP0 01005
vorrätig9105900 pcs
General Purpose
-
01005 (0402 Metric)
C0G, NP0
0.009' (0.22mm)
-
-
-
-
-
-
GRM0225C1E
Tape & Reel (TR)
GRM
-
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.016' L x 0.008' W (0.40mm x 0.20mm)
-
-
9.3 pF
±0.5pF
RFQ
04025C102MAT2A
KYOCERA AVX
CAP CER 1000PF 50V X7R 0402
vorrätig6895400 pcs
General Purpose
-
0402 (1005 Metric)
X7R
0.022" (0.56mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
-
1000 pF
±20%
RFQ
12105E104ZAT2A
KYOCERA AVX
CAP CER 0.1UF 50V Z5U 1210
vorrätig553750 pcs
General Purpose
-
1210 (3225 Metric)
Z5U
0.037' (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
50V
10°C ~ 85°C
-
Surface Mount, MLCC
0.126' L x 0.098' W (3.20mm x 2.50mm)
-
-
0.1 µF
-20%, +80%
RFQ
06031A3R9CAT2A
KYOCERA AVX
CAP CER 3.9PF 100V C0G/NP0 0603
vorrätig827800 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
3.9 pF
±0.25pF
RFQ
06035A3R3C4T2A
KYOCERA AVX
CAP CER 3.3PF 50V NP0 0603
vorrätig222300 pcs
Automotive
-
0603 (1608 Metric)
C0G, NP0
0.035' (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
50V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.063' L x 0.032' W (1.60mm x 0.81mm)
-
-
3.3 pF
±0.25pF
RFQ
2225AC103MAT9A
KYOCERA AVX
CAP CER 10000PF 1KV X7R 2225
vorrätig348700 pcs
General Purpose
-
2225 (5763 Metric)
X7R
0.100" (2.54mm)
-
-
-
-
-
-
-
Bulk
-
-
-
1000V (1kV)
-55°C ~ 125°C
-
Surface Mount, MLCC
0.225" L x 0.250" W (5.72mm x 6.35mm)
-
High Voltage
10000 pF
±20%
RFQ
06031C681MAT2A
KYOCERA AVX
CAP CER 680PF 100V X7R 0603
vorrätig985050 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
680 pF
±20%
RFQ
GRM1556R1H8R0CZ01D
Murata Electronics
CAP CER 8PF 50V R2H 0402
vorrätig645800 pcs
General Purpose
-
0402 (1005 Metric)
R2H
0.022' (0.55mm)
-
-
-
-
-
-
GRM1556R1H
Tape & Reel (TR)
GRM
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
8 pF
±0.25pF
RFQ
06035A391KAT4A
KYOCERA AVX
CAP CER 390PF 50V C0G/NP0 0603
vorrätig200600 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
390 pF
±10%
RFQ
CC0603JRX7R9BB153
YAGEO
CAP CER 0.015UF 50V X7R 0603
vorrätig1937400 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035' (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063' L x 0.031' W (1.60mm x 0.80mm)
-
-
0.015 µF
±5%
RFQ
C1608X7R1H471K
TDK Corporation
CAP CER 470PF 50V X7R 0603
vorrätig653300 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
-
470 pF
±10%
RFQ
CC0201KRX7R7BB221
YAGEO
CAP CER 220PF 16V X7R 0201
vorrätig7222500 pcs
General Purpose
-
0201 (0603 Metric)
X7R
0.013" (0.33mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
220 pF
±10%
RFQ
GRM0336S1E5R5DD01D
Murata Electronics
CAP CER 5.5PF 25V S2H 0201
vorrätig895200 pcs
General Purpose
-
0201 (0603 Metric)
S2H
0.013" (0.33mm)
-
-
-
-
-
-
GRM0336S1E
Tape & Reel (TR)
GRM
-
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
5.5 pF
±0.5pF
RFQ
C0402C0G1C0R2B
TDK Corporation
CAP CER 0.2PF 16V C0G 01005
vorrätig143300 pcs
General Purpose
-
01005 (0402 Metric)
C0G, NP0
0.009' (0.22mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.016' L x 0.008' W (0.40mm x 0.20mm)
-
-
0.2 pF
±0.1pF
RFQ
0201ZC471KAT2A
KYOCERA AVX
CAP CER 470PF 10V X7R 0201
vorrätig660000 pcs
General Purpose
-
0201 (0603 Metric)
X7R
0.013" (0.33mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
10V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
470 pF
±10%
RFQ
12061A272JAT2A
KYOCERA AVX
CAP CER 2700PF 100V NP0 1206
vorrätig468600 pcs
General Purpose
-
1206 (3216 Metric)
C0G, NP0
0.060" (1.52mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
2700 pF
±5%
RFQ
C4532X7S3A103K160KE
TDK Corporation
CAP CER 10000PF 1KV X7S 1812
vorrätig52830 pcs
Boardflex Sensitive
-
1812 (4532 Metric)
X7S
0.071" (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
-
1000V (1kV)
-55°C ~ 125°C
-
Surface Mount, MLCC
0.177" L x 0.126" W (4.50mm x 3.20mm)
-
Soft Termination
10000 pF
±10%
RFQ
UMK105CH560JV-F
Taiyo Yuden
CAP CER 56PF 50V C0H 0402
vorrätig91100 pcs
General Purpose
-
0402 (1005 Metric)
C0H
0.022" (0.55mm)
-
-
-
-
-
-
UMK105
Tape & Reel (TR)
M
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
-
56 pF
±5%
RFQ
GRM033R71H102KA12D
Murata Electronics
CAP CER 1000PF 50V X7R 0201
vorrätig10964600 pcs
General Purpose
-
0201 (0603 Metric)
X7R
0.013' (0.33mm)
-
-
-
-
-
-
GRM033R71H
Tape & Reel (TR)
GRM
-
-
50V
-55°C ~ 125°C
-
Surface Mount
0.024' L x 0.012' W (0.60mm x 0.30mm)
-
-
1000 pF
±10%
RFQ
CL05C100JB51PNC
Samsung Electro-Mechanics
CAP CER 10PF 50V C0G/NP0 0402
vorrätig4919700 pcs
Automotive
-
0402 (1005 Metric)
C0G, NP0
0.022' (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
-
50V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
10 pF
±5%
RFQ
CL21B822KB6SFNC
Samsung Electro-Mechanics
CAP CER 8200PF 50V X7R 0805
vorrätig113700 pcs
Boardflex Sensitive
-
0805 (2012 Metric)
X7R
0.028" (0.70mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
Soft Termination
8200 pF
±10%
RFQ
04025C331MAT2A
KYOCERA AVX
CAP CER 330PF 50V X7R 0402
vorrätig801800 pcs
General Purpose
-
0402 (1005 Metric)
X7R
0.022" (0.56mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
-
330 pF
±20%
RFQ
CL10B104KA8NNWC
Samsung Electro-Mechanics
CAP CER 0.1UF 25V X7R 0603
vorrätig6978500 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
-
0.1 µF
±10%
RFQ
06035A300JAT7A
KYOCERA AVX
CAP CER 30PF 50V C0G/NP0 0603
vorrätig451400 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035" (0.90mm)
-
-
-
-
-
-
-
Bulk
-
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
30 pF
±5%
RFQ