CC0603KRNPO9BN471
YAGEO
CAP CER 470PF 50V C0G/NPO 0603
I lager2356800 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
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)
-
-
470 pF
±10%
RFQ
GRM188C81E475KE11J
Murata Electronics
CAP CER 4.7UF 25V X6S 0603
I lager985000 pcs
General Purpose
-
0603 (1608 Metric)
X6S
0.039" (1.00mm)
-
-
-
-
-
-
GRM188C81E
Tape & Reel (TR)
GRM
-
25V
-55°C ~ 105°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
-
4.7 µF
±10%
RFQ
GCM3195C1H183JA16D
Murata Electronics
CAP CER 0.018UF 50V C0G/NP0 1206
I lager137140 pcs
Automotive
-
1206 (3216 Metric)
C0G, NP0
0.037" (0.95mm)
-
-
-
-
-
-
GCM3195C1H
Tape & Reel (TR)
GCM
-
50V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
0.018 µF
±5%
RFQ
1808AC152MAT1A
KYOCERA AVX
CAP CER 1500PF 1KV X7R 1808
I lager524900 pcs
General Purpose
-
1808 (4520 Metric)
X7R
0.071" (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
1000V (1kV)
-55°C ~ 125°C
-
Surface Mount, MLCC
0.181" L x 0.079" W (4.60mm x 2.00mm)
-
High Voltage
1500 pF
±20%
RFQ
GRM1555C1E130GZ01D
Murata Electronics
CAP CER 13PF 25V C0G/NP0 0402
I lager230800 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)
-
-
13 pF
±2%
RFQ
GRJ55DR72J154KWJ1L
Murata Electronics
CAP CER 0.15UF 630V X7R 2220
I lager96770 pcs
Boardflex Sensitive
-
2220 (5750 Metric)
X7R
0.079' (2.00mm)
-
-
-
-
-
-
GRJ55DR72J
Tape & Reel (TR)
GRJ
-
630V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.224' L x 0.197' W (5.70mm x 5.00mm)
-
Soft Termination
0.15 µF
±10%
RFQ
GRM188R71H103MA01J
Murata Electronics
CAP CER 10000PF 50V X7R 0603
I lager746500 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035" (0.90mm)
-
-
-
-
-
-
GRM188R71H
Tape & Reel (TR)
GRM
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
-
10000 pF
±20%
RFQ
CC0603JRNPO8BN101
YAGEO
CAP CER 100PF 25V C0G/NPO 0603
I lager3438150 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)
-
-
100 pF
±5%
RFQ
GRM0336R1E2R0CD01D
Murata Electronics
CAP CER 2PF 25V R2H 0201
I lager348500 pcs
General Purpose
-
0201 (0603 Metric)
R2H
0.013" (0.33mm)
-
-
-
-
-
-
GRM0336R1E
Tape & Reel (TR)
GRM
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
2 pF
±0.25pF
RFQ
QMK316BJ683KL-T
Taiyo Yuden
CAP CER 0.068UF 250V X5R 1206
I lager622050 pcs
SMPS Filtering
-
1206 (3216 Metric)
X5R
0.071' (1.80mm)
-
-
-
-
-
-
QMK316B
Tape & Reel (TR)
M
-
250V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.126' L x 0.063' W (3.20mm x 1.60mm)
-
-
0.068 µF
±10%
RFQ
GRM0225C1E4R1BDAEL
Murata Electronics
CAP CER 4.1PF 25V C0G/NP0 01005
I lager71500 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)
-
-
4.1 pF
±0.1pF
RFQ
GCM1555C1H271JA16D
Murata Electronics
CAP CER 270PF 50V C0G/NP0 0402
I lager2083350 pcs
Automotive
-
0402 (1005 Metric)
C0G, NP0
0.022" (0.55mm)
-
-
Tape & Reel (TR)
Lead free / RoHS Compliant
1 (Unlimited)
-
-
-
GCM
270pF ±5% 50V Ceramic Capacitor C0G, NP0 0402 (1005 Metric)
50V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
-
270pF
±5%
RFQ
12105A272KAT2A
KYOCERA AVX
CAP CER 2700PF 50V NP0 1210
I lager509900 pcs
General Purpose
-
1210 (3225 Metric)
C0G, NP0
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)
-
-
2700 pF
±10%
RFQ
GRM188R61A225KE34J
Murata Electronics
CAP CER 2.2UF 10V X5R 0603
I lager525400 pcs
General Purpose
-
0603 (1608 Metric)
X5R
0.035' (0.90mm)
-
-
-
-
-
-
GRM188R61A
Tape & Reel (TR)
GRM
-
10V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.063' L x 0.031' W (1.60mm x 0.80mm)
-
-
2.2 µF
±10%
RFQ
CL31B223KCCNFNC
Samsung Electro-Mechanics
CAP CER 0.022UF 100V X7R 1206
I lager2790200 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.039' (1.00mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126' L x 0.063' W (3.20mm x 1.60mm)
-
-
0.022 µF
±10%
RFQ
12101C562MAT2A
KYOCERA AVX
CAP CER 5600PF 100V X7R 1210
I lager839700 pcs
General Purpose
-
1210 (3225 Metric)
X7R
0.037" (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.098" W (3.20mm x 2.50mm)
-
-
5600 pF
±20%
RFQ
C1005X7R1H681K050BA
TDK Corporation
CAP CER 680PF 50V X7R 0402
I lager340000 pcs
General Purpose
-
0402 (1005 Metric)
X7R
0.022' (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
Low ESL
680 pF
±10%
RFQ
1210ZC124KAT2A
KYOCERA AVX
CAP CER 0.12UF 10V X7R 1210
I lager424220 pcs
General Purpose
-
1210 (3225 Metric)
X7R
0.037" (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
10V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.098" W (3.20mm x 2.50mm)
-
-
0.12 µF
±10%
RFQ
C3225CH2W223J230AA
TDK Corporation
CAP CER 0.022UF 450V CH 1210
I lager119770 pcs
General Purpose
-
1210 (3225 Metric)
CH
0.098' (2.50mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
450V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.126' L x 0.098' W (3.20mm x 2.50mm)
-
-
0.022 µF
±5%
RFQ
18082C223KAT2A
KYOCERA AVX
CAP CER 0.022UF 200V X7R 1808
I lager93690 pcs
General Purpose
-
1808 (4520 Metric)
X7R
-
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
200V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.180' L x 0.080' W (4.57mm x 2.03mm)
-
-
0.022 µF
±10%
RFQ
GRM2165C1H151GA01D
Murata Electronics
CAP CER 150PF 50V C0G/NP0 0805
I lager716250 pcs
General Purpose
-
0805 (2012 Metric)
C0G, NP0
0.028' (0.70mm)
-
-
-
-
-
-
GRM2165C1H
Tape & Reel (TR)
GRM
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
-
150 pF
±2%
RFQ
0603YC222KAT2A
KYOCERA AVX
CAP CER 2200PF 16V X7R 0603
I lager2622450 pcs
General Purpose
-
0603 (1608 Metric)
X7R
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)
-
-
2200 pF
±10%
RFQ
08055C243JAT4A
KYOCERA AVX
CAP CER 0.024UF 50V X7R 0805
I lager115000 pcs
General Purpose
-
0805 (2012 Metric)
X7R
0.037" (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.01mm x 1.25mm)
-
-
0.024 µF
±5%
RFQ
1812AC153KAT1A
KYOCERA AVX
CAP CER 0.015UF 1KV X7R 1812
I lager426300 pcs
General Purpose
-
1812 (4532 Metric)
X7R
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
0.015 µF
±10%
RFQ
UMK105CG0R5CW-F
Taiyo Yuden
CAP CER 0.5PF 50V C0G/NP0 0402
I lager326100 pcs
General Purpose
-
0402 (1005 Metric)
C0G, NP0
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)
-
-
0.5 pF
±0.25pF
RFQ
12062A1R0DAT2A
KYOCERA AVX
CAP CER 1PF 200V NP0 1206
I lager392600 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)
-
-
1 pF
±0.5pF
RFQ
TMK212B7474KG-T
Taiyo Yuden
CAP CER 0.47UF 25V X7R 0805
I lager1064700 pcs
SMPS Filtering
-
0805 (2012 Metric)
X7R
0.053' (1.35mm)
-
-
-
-
-
-
TMK212B
Tape & Reel (TR)
M
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
-
0.47 µF
±10%
RFQ
1808CC392KAT1A
KYOCERA AVX
CAP CER 3900PF 630V X7R 1808
I lager547100 pcs
General Purpose
-
1808 (4520 Metric)
X7R
0.071" (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
630V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.181" L x 0.079" W (4.60mm x 2.00mm)
-
High Voltage
3900 pF
±10%
RFQ
GMK316B7684KL-T
Taiyo Yuden
CAP CER 0.68UF 35V X7R 1206
I lager877500 pcs
SMPS Filtering
-
1206 (3216 Metric)
X7R
0.071" (1.80mm)
-
-
-
-
-
-
GMK316B
Tape & Reel (TR)
M
-
35V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
0.68 µF
±10%
RFQ
CC0805KPX7R9BB104
YAGEO
CAP CER 0.1UF 50V X7R 0805
I lager2478550 pcs
General Purpose
-
0805 (2012 Metric)
X7R
0.037" (0.95mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
-
0.1 µF
±10%
RFQ
0402B104K250CT
Walsin Technology Corporation
CAP CER 0.1UF 25V X7R 0402
I lager4161200 pcs
General Purpose
-
0402 (1005 Metric)
X7R
0.022" (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
-
0.1 µF
±10%
RFQ
GRM1555C1H4R6WZ01D
Murata Electronics
CAP CER 4.6PF 50V C0G/NP0 0402
I lager641400 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)
-
-
4.6 pF
±0.05pF
RFQ
1206YC105JAT2A
KYOCERA AVX
CAP CER 1UF 16V X7R 1206
I lager199380 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.050" (1.27mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
1 µF
±5%
RFQ
GRM0335C1H6R0DD01D
Murata Electronics
CAP CER 6PF 50V C0G/NP0 0201
I lager170700 pcs
General Purpose
-
0201 (0603 Metric)
C0G, NP0
0.013" (0.33mm)
-
-
-
-
-
-
GRM0335C1H
Tape & Reel (TR)
GRM
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
6 pF
±0.5pF
RFQ
1812JA330KAT1A\SB
KYOCERA AVX
CAP CER 33PF 4KV NP0 1812
I lager813700 pcs
General Purpose
-
1812 (4532 Metric)
C0G, NP0
0.071" (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
4000V (4kV)
-55°C ~ 125°C
-
Surface Mount, MLCC
0.181" L x 0.126" W (4.60mm x 3.20mm)
-
High Voltage
33 pF
±10%
RFQ
C2012X5R2E153M125AA
TDK Corporation
CAP CER 0.015UF 250V X5R 0805
I lager858550 pcs
General Purpose
-
0805 (2012 Metric)
X5R
0.057" (1.45mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
250V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
-
0.015 µF
±20%
RFQ
GRM188R71H272KA01D
Murata Electronics
CAP CER 2700PF 50V X7R 0603
I lager899300 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035" (0.90mm)
-
-
-
-
-
-
GRM188R71H
Tape & Reel (TR)
GRM
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
-
2700 pF
±10%
RFQ
C2012JB1H104K085AA
TDK Corporation
CAP CER 0.1UF 50V JB 0805
I lager216200 pcs
General Purpose
-
0805 (2012 Metric)
JB
0.039' (1.00mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
50V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
Low ESL
0.1 µF
±10%
RFQ
0201ZC471KAT2A
KYOCERA AVX
CAP CER 470PF 10V X7R 0201
I lager660000 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
GCM1555C1H8R0DA16D
Murata Electronics
CAP CER 8PF 50V C0G/NP0 0402
I lager2930350 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)
-
-
8 pF
±0.5pF
RFQ
GRT31CC81C475KE01L
Murata Electronics
CAP CER 4.7UF 16V X6S 1206
I lager231640 pcs
Automotive
-
1206 (3216 Metric)
X6S
0.071' (1.80mm)
-
-
-
-
-
-
GRT31CC81C
Tape & Reel (TR)
GRT
-
16V
-55°C ~ 105°C
AEC-Q200
Surface Mount, MLCC
0.126' L x 0.063' W (3.20mm x 1.60mm)
-
-
4.7 µF
±10%
RFQ
GRM1555C1E8R4DZ01D
Murata Electronics
CAP CER 8.4PF 25V C0G/NP0 0402
I lager616200 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)
-
-
8.4 pF
±0.5pF
RFQ
12066C226MAT2A
AVX Corporation
CAP CER 22UF 6.3V X7R 1206
I lager89440 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.070" (1.78mm)
-
-
Cut Tape (CT)
Lead free / RoHS Compliant
1 (Unlimited)
478-4595-1
-
-
-
22µF ±20% 6.3V Ceramic Capacitor X7R 1206 (3216 Metric)
6.3V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
22µF
±20%
RFQ
CC0402KRX7R8BB682
YAGEO
CAP CER 6800PF 25V X7R 0402
I lager7132300 pcs
General Purpose
-
0402 (1005 Metric)
X7R
0.022' (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
6800 pF
±10%
RFQ
GRM1555C2A7R9CA01J
Murata Electronics
CAP CER 7.9PF 100V C0G/NP0 0402
I lager8053700 pcs
General Purpose
-
0402 (1005 Metric)
C0G, NP0
0.022' (0.55mm)
-
-
-
-
-
-
GRM1555C2A
Tape & Reel (TR)
GRM
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
7.9 pF
±0.25pF
RFQ
C2012X8R1E224M125AE
TDK Corporation
CAP CER 0.22UF 25V X8R 0805
I lager559050 pcs
Boardflex Sensitive
-
0805 (2012 Metric)
X8R
0.059' (1.50mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
25V
-55°C ~ 150°C
-
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
Soft Termination
0.22 µF
±20%
RFQ
C1005JB1A473M050BA
TDK Corporation
CAP CER 0.047UF 10V JB 0402
I lager242500 pcs
General Purpose
-
0402 (1005 Metric)
JB
0.022' (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
10V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
Low ESL
0.047 µF
±20%
RFQ
GJM1555C1HR10WB01D
Murata Electronics
CAP CER 0.1PF 50V C0G/NP0 0402
I lager1178350 pcs
RF, Microwave, High Frequency
-
0402 (1005 Metric)
C0G, NP0
0.022" (0.55mm)
-
-
-
-
-
-
GJM1555C1H
Tape & Reel (TR)
GJM
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
High Q, Low Loss
0.1 pF
±0.05pF
RFQ
C1005NP02A221J050BA
TDK Corporation
CAP CER 220PF 100V NP0 0402
I lager1665650 pcs
General Purpose
-
0402 (1005 Metric)
C0G, NP0
0.022' (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
100V
-55°C ~ 150°C
-
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
High Temperature
220 pF
±5%
RFQ
GRM188R71E473KA01J
Murata Electronics
CAP CER 0.047UF 25V X7R 0603
I lager509800 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035" (0.90mm)
-
-
-
-
-
-
GRM188R71E
Tape & Reel (TR)
GRM
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
-
0.047 µF
±10%
RFQ