CL21C271JBANFNC
Samsung Electro-Mechanics
CAP CER 270PF 50V C0G/NP0 0805
In stoc503900 pcs
General Purpose
-
0805 (2012 Metric)
C0G, NP0
0.030" (0.75mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
-
270 pF
±5%
RFQ
12105C683JAT2A
KYOCERA AVX
CAP CER 0.068UF 50V X7R 1210
In stoc525450 pcs
General Purpose
-
1210 (3225 Metric)
X7R
0.037" (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.098" W (3.20mm x 2.50mm)
-
-
0.068 µF
±5%
RFQ
GRM0335C1E560FA01D
Murata Electronics
CAP CER 56PF 25V C0G/NP0 0201
In stoc7105200 pcs
General Purpose
-
0201 (0603 Metric)
C0G, NP0
0.013" (0.33mm)
-
-
-
-
-
-
GRM0335C1E
Tape & Reel (TR)
GRM
-
25V
-55°C ~ 125°C
-
Surface Mount
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
56 pF
±1%
RFQ
GRM31A7U3A180JW31D
Murata Electronics
CAP CER 18PF 1KV U2J 1206
In stoc387550 pcs
General Purpose
-
1206 (3216 Metric)
U2J
0.039" (1.00mm)
-
-
-
-
-
-
GRM31A7U3A
Tape & Reel (TR)
GRM
-
1000V (1kV)
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
18 pF
±5%
RFQ
GRM21BR71A475MA73L
Murata Electronics
CAP CER 4.7UF 10V X7R 0805
In stoc630300 pcs
General Purpose
-
0805 (2012 Metric)
X7R
0.053" (1.35mm)
-
-
-
-
-
-
GRM21BR71A
Tape & Reel (TR)
GRM
-
10V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
-
4.7 µF
±20%
RFQ
06035A751JAT2A
KYOCERA AVX
CAP CER 750PF 50V NP0 0603
In stoc1217450 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)
-
-
750 pF
±5%
RFQ
1206YC102KAT2A
KYOCERA AVX
CAP CER 1000PF 16V X7R 1206
In stoc769800 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.037" (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
1000 pF
±10%
RFQ
C2012X7R1C335M125AB
TDK Corporation
CAP CER 3.3UF 16V X7R 0805
In stoc495300 pcs
General Purpose
-
0805 (2012 Metric)
X7R
0.057' (1.45mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
Low ESL
3.3 µF
±20%
RFQ
12062A200JAT2A
KYOCERA AVX
CAP CER 20PF 200V NP0 1206
In stoc743700 pcs
General Purpose
-
1206 (3216 Metric)
C0G, NP0
0.037" (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
200V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
20 pF
±5%
RFQ
06035A680M4T2A
KYOCERA AVX
CAP CER 68PF 50V NP0 0603
In stoc514300 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)
-
-
68 pF
±20%
RFQ
06031A120GAT9A
KYOCERA AVX
CAP CER 12PF 100V C0G/NP0 0603
In stoc693900 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035" (0.90mm)
-
-
-
-
-
-
-
Bulk
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
12 pF
±2%
RFQ
06033C181KAT2A
KYOCERA AVX
CAP CER 180PF 25V X7R 0603
In stoc1227050 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
180 pF
±10%
RFQ
C1005X7R1E103K050BB
TDK Corporation
CAP CER 10000PF 25V X7R 0402
In stoc3595600 pcs
General Purpose
-
0402 (1005 Metric)
X7R
0.022' (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
Low ESL
10000 pF
±10%
RFQ
CC0402BRNPO9BN2R2
YAGEO
CAP CER 2.2PF 50V C0G/NPO 0402
In stoc6924200 pcs
General Purpose
-
0402 (1005 Metric)
C0G, NP0
0.022' (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
2.2 pF
±0.1pF
RFQ
GRM1885C1H8R2CZ01J
Murata Electronics
CAP CER 8.2PF 50V C0G/NP0 0603
In stoc262600 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035" (0.90mm)
-
-
-
-
-
-
GRM1885C1H
Tape & Reel (TR)
GRM
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
-
8.2 pF
±0.25pF
RFQ
GRM0335C1E6R4DD01D
Murata Electronics
CAP CER 6.4PF 25V C0G/NP0 0201
In stoc756000 pcs
General Purpose
-
0201 (0603 Metric)
C0G, NP0
0.013" (0.33mm)
-
-
-
-
-
-
GRM0335C1E
Tape & Reel (TR)
GRM
-
25V
-55°C ~ 125°C
-
Surface Mount
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
6.4 pF
±0.5pF
RFQ
12102U620JAT2A
KYOCERA AVX
CAP CER 62PF 200V NP0 1210
In stoc226250 pcs
RF, Microwave, High Frequency
-
1210 (3225 Metric)
C0G, NP0
0.055" (1.40mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
U
-
200V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.098" W (3.20mm x 2.49mm)
-
Ultra Low ESR
62 pF
±5%
RFQ
1812AA821JAT1A
KYOCERA AVX
CAP CER 820PF 1KV C0G/NP0 1812
In stoc48150 pcs
General Purpose
-
1812 (4532 Metric)
C0G, NP0
0.087' (2.20mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
1000V (1kV)
-55°C ~ 125°C
-
Surface Mount, MLCC
0.181' L x 0.126' W (4.60mm x 3.20mm)
-
High Voltage
820 pF
±5%
RFQ
08052C331JAT2A
KYOCERA AVX
CAP CER 330PF 200V X7R 0805
In stoc367550 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)
-
-
330 pF
±5%
RFQ
C0402CH1C3R3C020BC
TDK Corporation
CAP CER 3.3PF 16V CH 01005
In stoc1386950 pcs
General Purpose
-
01005 (0402 Metric)
CH
0.009' (0.22mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
16V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.016' L x 0.008' W (0.40mm x 0.20mm)
-
Low ESL
3.3 pF
±0.25pF
RFQ
GCM1555C1H9R0DA16J
Murata Electronics
CAP CER 9PF 50V C0G/NP0 0402
In stoc5370900 pcs
Automotive
-
0402 (1005 Metric)
C0G, NP0
0.022' (0.55mm)
-
-
-
-
-
-
GCM1555C1H
Tape & Reel (TR)
GCM
-
50V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
9 pF
±0.5pF
RFQ
0402YA3R6CAT2A
KYOCERA AVX
CAP CER 3.6PF 16V NP0 0402
In stoc789750 pcs
General Purpose
-
0402 (1005 Metric)
C0G, NP0
0.022" (0.56mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
-
3.6 pF
±0.25pF
RFQ
C0402JB1C101K020BC
TDK Corporation
CAP CER 100PF 16V JB 01005
In stoc759200 pcs
General Purpose
-
01005 (0402 Metric)
JB
0.009' (0.22mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
16V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.016' L x 0.008' W (0.40mm x 0.20mm)
-
Low ESL
100 pF
±10%
RFQ
CL21A106KQQN3NE
Samsung Electro-Mechanics
CAP CER 10UF 6.3V X5R 0805
In stoc59100 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)
-
-
10 µF
±10%
RFQ
1812CC103MATBE
KYOCERA AVX
CAP CER 10000PF 630V X7R 1812
In stoc560600 pcs
General Purpose
-
1812 (4532 Metric)
X7R
0.071' (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
630V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.181' L x 0.126' W (4.60mm x 3.20mm)
-
High Voltage
10000 pF
±20%
RFQ
CC0603JRNPO8BN220
YAGEO
CAP CER 22PF 25V C0G/NPO 0603
In stoc2792300 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
-
22 pF
±5%
RFQ
1808HA390KAT1A
KYOCERA AVX
CAP CER SMD
In stoc65050 pcs
General Purpose
-
1808 (4520 Metric)
C0G, NP0
0.057" (1.45mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
3000V (3kV)
-55°C ~ 125°C
-
Surface Mount, MLCC
0.181" L x 0.079" W (4.60mm x 2.00mm)
-
High Voltage
39 pF
±10%
RFQ
GCM188R71H183KA37D
Murata Electronics
CAP CER 0.018UF 50V X7R 0603
In stoc857400 pcs
Automotive
-
0603 (1608 Metric)
X7R
0.035' (0.90mm)
-
-
-
-
-
-
GCM188R71H
Tape & Reel (TR)
GCM
-
50V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.063' L x 0.031' W (1.60mm x 0.80mm)
-
-
0.018 µF
±10%
RFQ
AC0805KRX7R7BB473
YAGEO
CAP CER 0.047UF 16V X7R 0805
In stoc949850 pcs
Automotive
-
0805 (2012 Metric)
X7R
0.037' (0.95mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
AC
-
16V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
-
0.047 µF
±10%
RFQ
CL03C160GA3GNNC
Samsung Electro-Mechanics
CAP CER 16PF 25V C0G/NP0 0201
In stoc1150850 pcs
General Purpose
-
0201 (0603 Metric)
C0G, NP0
0.013' (0.33mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.024' L x 0.012' W (0.60mm x 0.30mm)
-
-
16 pF
±2%
RFQ
LLL185R70J224MA01L
Murata Electronics
CAP CER 0.22UF 6.3V X7R 0306
In stoc595600 pcs
Bypass, Decoupling
-
0306 (0816 Metric)
X7R
0.024' (0.60mm)
-
-
-
-
-
-
LLL185R70J
Tape & Reel (TR)
LLL
-
6.3V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.031' L x 0.063' W (0.80mm x 1.60mm)
-
Low ESL (Reverse Geometry)
0.22 µF
±20%
RFQ
C3225X5R1C685M200AA
TDK Corporation
CAP CER 6.8UF 16V X5R 1210
In stoc133190 pcs
General Purpose
-
1210 (3225 Metric)
X5R
0.087" (2.20mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
16V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.126" L x 0.098" W (3.20mm x 2.50mm)
-
Low ESL
6.8 µF
±20%
RFQ
GRM1555C1E2R4CZ01D
Murata Electronics
CAP CER 2.4PF 25V C0G/NP0 0402
In stoc456200 pcs
General Purpose
-
0402 (1005 Metric)
C0G, NP0
0.022' (0.55mm)
-
-
-
-
-
-
GRM1555C1E
Tape & Reel (TR)
GRM
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
2.4 pF
±0.25pF
RFQ
CL31C102JGHNNNE
Samsung Electro-Mechanics America, Inc.
CAP CER 1000PF 500V C0G/NP0 1206
In stoc516500 pcs
General Purpose
-
1206 (3216 Metric)
C0G, NP0
0.071" (1.80mm)
-
-
Digi-Reel®
Lead free / RoHS Compliant
1 (Unlimited)
1276-3206-6
-
-
CL
1000pF ±5% 500V Ceramic Capacitor C0G, NP0 1206 (3216 Metric)
500V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
1000pF
±5%
RFQ
GRM1885C2A9R8DA01D
Murata Electronics
CAP CER 9.8PF 100V C0G/NP0 0603
In stoc591250 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
0.035' (0.90mm)
-
-
-
-
-
-
GRM1885C2A
Tape & Reel (TR)
GRM
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063' L x 0.031' W (1.60mm x 0.80mm)
-
-
9.8 pF
±0.5pF
RFQ
GRM21A7U2E151JW31D
Murata Electronics
CAP CER 150PF 250V U2J 0805
In stoc507450 pcs
General Purpose
-
0805 (2012 Metric)
U2J
0.039" (1.00mm)
-
-
-
-
-
-
GRM21A7U2E
Tape & Reel (TR)
GRM
-
250V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
-
150 pF
±5%
RFQ
06031A1R6CAT2A
KYOCERA AVX
CAP CER 1.6PF 100V NP0 0603
In stoc750400 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)
-
-
1.6 pF
±0.25pF
RFQ
EMK325BJ475KN-T
Taiyo Yuden
CAP CER 4.7UF 16V X5R 1210
In stoc355190 pcs
SMPS Filtering
-
1210 (3225 Metric)
X5R
0.083' (2.10mm)
-
-
-
-
-
-
EMK325B
Tape & Reel (TR)
M
-
16V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.126' L x 0.098' W (3.20mm x 2.50mm)
-
-
4.7 µF
±10%
RFQ
CC0805JRX7RYBB102
YAGEO
CAP CER 1000PF 250V X7R 0805
In stoc1564950 pcs
General Purpose
-
0805 (2012 Metric)
X7R
0.037" (0.95mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
250V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
-
1000 pF
±5%
RFQ
C0603C0G1H1R2C
TDK Corporation
CAP CER 1.2PF 50V C0G 0201
In stoc251600 pcs
General Purpose
-
0201 (0603 Metric)
C0G, NP0
0.013' (0.33mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.024' L x 0.012' W (0.60mm x 0.30mm)
-
-
1.2 pF
±0.25pF
RFQ
GRM0335C1HR50BA01D
Murata Electronics
CAP CER 0.5PF 50V C0G/NP0 0201
In stoc12303600 pcs
General Purpose
-
0201 (0603 Metric)
C0G, NP0
0.013" (0.33mm)
-
-
-
-
-
-
GRM0335C1H
Tape & Reel (TR)
GRM
-
50V
-55°C ~ 125°C
-
Surface Mount
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
0.5 pF
±0.1pF
RFQ
C3216X7R1V685M160AC
TDK Corporation
CAP CER 6.8UF 35V X7R 1206
In stoc124310 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.071' (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
35V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126' L x 0.063' W (3.20mm x 1.60mm)
-
Low ESL
6.8 µF
±20%
RFQ
04025C471JAT2A
KYOCERA AVX
CAP CER 470PF 50V X7R 0402
In stoc444500 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)
-
-
470 pF
±5%
RFQ
CL31A476KQHNNNE
Samsung Electro-Mechanics
CAP CER 47UF 6.3V X5R 1206
In stoc354000 pcs
General Purpose
-
1206 (3216 Metric)
X5R
0.071" (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
6.3V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
47 µF
±10%
RFQ
GRM0225C1E5R0WA03L
Murata Electronics
CAP CER 5PF 25V C0G/NP0 01005
In stoc2261100 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)
-
-
5 pF
±0.05pF
RFQ
C3216JB1C685K160AA
TDK Corporation
CAP CER 6.8UF 16V JB 1206
In stoc321190 pcs
General Purpose
-
1206 (3216 Metric)
JB
0.071" (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
16V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
Low ESL
6.8 µF
±10%
RFQ
GRM1555C1E180JA01D
Murata Electronics
CAP CER 18PF 25V C0G/NP0 0402
In stoc5940800 pcs
General Purpose
-
0402 (1005 Metric)
C0G, NP0
0.022" (0.55mm)
-
-
-
-
-
-
GRM1555C1E
Tape & Reel (TR)
GRM
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
-
18 pF
±5%
RFQ
C0603C561J5GACAUTO
KEMET
CAP CER 560PF 50V C0G/NP0 0603
In stoc1364100 pcs
Automotive
-
0603 (1608 Metric)
C0G, NP0
0.034" (0.87mm)
-
-
-
-
-
-
C0603C
Tape & Reel (TR)
SMD Auto C0G
-
50V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
Low ESL
560 pF
±5%
RFQ
CC1206KKX7R7BB225
YAGEO
CAP CER 2.2UF 16V X7R 1206
In stoc628950 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.049" (1.25mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
2.2 µF
±10%
RFQ
08051A330KAT2A
KYOCERA AVX
CAP CER 33PF 100V C0G/NP0 0805
In stoc1504600 pcs
General Purpose
-
0805 (2012 Metric)
C0G, NP0
0.037" (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.01mm x 1.25mm)
-
-
33 pF
±10%
RFQ