1206YC274JAT2A
KYOCERA AVX
CAP CER 0.27UF 16V X7R 1206
Disponível324450 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)
-
-
0.27 µF
±5%
RFQ
12065A1R8BAT2A
KYOCERA AVX
CAP CER 1.8PF 50V NP0 1206
Disponível221480 pcs
General Purpose
-
1206 (3216 Metric)
C0G, NP0
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)
-
-
1.8 pF
±0.1pF
RFQ
GRM32B7U3D221JW31L
Murata Electronics
CAP CER 220PF 2KV U2J 1210
Disponível158130 pcs
General Purpose
-
1210 (3225 Metric)
U2J
0.049' (1.25mm)
-
-
-
-
-
-
GRM32B7U3D
Tape & Reel (TR)
GRM
-
2000V (2kV)
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126' L x 0.098' W (3.20mm x 2.50mm)
-
-
220 pF
±5%
RFQ
C1608CH2E151K080AA
TDK Corporation
CAP CER 150PF 250V CH 0603
Disponível1701950 pcs
General Purpose
-
0603 (1608 Metric)
CH
0.035' (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
250V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.063' L x 0.031' W (1.60mm x 0.80mm)
-
-
150 pF
±10%
RFQ
C2012X5R1H474M125AB
TDK Corporation
CAP CER 0.47UF 50V X5R 0805
Disponível563100 pcs
General Purpose
-
0805 (2012 Metric)
X5R
0.057" (1.45mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
50V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
Low ESL
0.47 µF
±20%
RFQ
12061C334KAZ2A
KYOCERA AVX
CAP CER 0.33UF 100V X7R 1206
Disponível244000 pcs
Boardflex Sensitive
-
1206 (3216 Metric)
X7R
0.070" (1.78mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
FLEXITERM®
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
Soft Termination
0.33 µF
±10%
RFQ
TMK063CG8R2DP-F
Taiyo Yuden
CAP CER 8.2PF 25V C0G/NP0 0201
Disponível676300 pcs
General Purpose
-
0201 (0603 Metric)
C0G, NP0
0.013' (0.33mm)
-
-
-
-
-
-
TMK063C
Tape & Reel (TR)
M
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.024' L x 0.012' W (0.60mm x 0.30mm)
-
-
8.2 pF
±0.5pF
RFQ
0603ZC224JAT2A
KYOCERA AVX
CAP CER 0.22UF 10V X7R 0603
Disponível314200 pcs
General Purpose
-
0603 (1608 Metric)
X7R
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
10V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.063" L x 0.032" W (1.60mm x 0.81mm)
-
-
0.22 µF
±5%
RFQ
SMK316B7222KFHT
Taiyo Yuden
CAP CER 2200PF 630V X7R 1206
Disponível635700 pcs
Automotive
-
1206 (3216 Metric)
X7R
0.049" (1.25mm)
-
-
-
-
-
-
SMK316B
Tape & Reel (TR)
M
-
630V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
High Voltage
2200 pF
±10%
RFQ
EMK042CG4R7CC-FW
Taiyo Yuden
CAP CER 4.7PF 16V C0G/NP0 01005
Disponível53800 pcs
General Purpose
-
01005 (0402 Metric)
C0G, NP0
0.009" (0.22mm)
-
-
-
-
-
-
EMK042C
Tape & Reel (TR)
M
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.016" L x 0.008" W (0.40mm x 0.20mm)
-
-
4.7 pF
±0.25pF
RFQ
C1608X8R1H473K080AA
TDK Corporation
CAP CER 0.047UF 50V X8R 0603
Disponível1550850 pcs
General Purpose
-
0603 (1608 Metric)
X8R
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
50V
-55°C ~ 150°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
High Temperature
0.047 µF
±10%
RFQ
12101C393JAT2A
KYOCERA AVX
CAP CER 0.039UF 100V X7R 1210
Disponível338350 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)
-
-
0.039 µF
±5%
RFQ
0805ZC474MAT4A
KYOCERA AVX
CAP CER 0.47UF 10V X7R 0805
Disponível654400 pcs
General Purpose
-
0805 (2012 Metric)
X7R
0.055" (1.40mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
10V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.01mm x 1.25mm)
-
-
0.47 µF
±20%
RFQ
GRM2197U1A563JA01D
Murata Electronics
CAP CER 0.056UF 10V U2J 0805
Disponível424750 pcs
General Purpose
-
0805 (2012 Metric)
U2J
0.037' (0.95mm)
-
-
-
-
-
-
GRM2197U1A
Tape & Reel (TR)
GRM
-
10V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.079' L x 0.049' W (2.00mm x 1.25mm)
-
-
0.056 µF
±5%
RFQ
04023C471KAT4A
KYOCERA AVX
CAP CER 470PF 25V X7R 0402
Disponível8458700 pcs
General Purpose
-
0402 (1005 Metric)
X7R
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)
-
-
470 pF
±10%
RFQ
06033C512JAT4A
KYOCERA AVX
CAP CER 5100PF 25V X7R 0603
Disponível770100 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)
-
-
5100 pF
±5%
RFQ
C3216JB1C156M160AB
TDK Corporation
CAP CER 15UF 16V JB 1206
Disponível119740 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
15 µF
±20%
RFQ
CC1812KKX7R0BB684
YAGEO
CAP CER 0.68UF 100V X7R 1812
Disponível76290 pcs
General Purpose
-
1812 (4532 Metric)
X7R
0.057' (1.45mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CC
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.177' L x 0.126' W (4.50mm x 3.20mm)
-
-
0.68 µF
±10%
RFQ
02013A5R6BAT2A
KYOCERA AVX
CAP CER 5.6PF 25V C0G/NP0 0201
Disponível346500 pcs
General Purpose
-
0201 (0603 Metric)
C0G, NP0
0.013" (0.33mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
5.6 pF
±0.1pF
RFQ
UMK105BJ471KV-F
Taiyo Yuden
CAP CER 470PF 50V X5R 0402
Disponível7016500 pcs
SMPS Filtering
-
0402 (1005 Metric)
X5R
0.026" (0.65mm)
-
-
-
-
-
-
UMK105
Tape & Reel (TR)
M
-
50V
-55°C ~ 85°C
-
Surface Mount, MLCC
0.039" L x 0.020" W (1.00mm x 0.50mm)
-
-
470 pF
±10%
RFQ
GRM0335C2A7R8CA01J
Murata Electronics
CAP CER 7.8PF 100V C0G/NP0 0201
Disponível25715100 pcs
General Purpose
-
0201 (0603 Metric)
C0G, NP0
0.013" (0.33mm)
-
-
-
-
-
-
GRM0335C2A
Tape & Reel (TR)
GRM
-
100V
-55°C ~ 125°C
-
Surface Mount
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
7.8 pF
±0.25pF
RFQ
GRM033C80J105ME05D
Murata Electronics
CAP CER 1UF 6.3V X6S 0201
Disponível692350 pcs
General Purpose
-
0201 (0603 Metric)
X6S
0.015" (0.39mm)
-
-
-
-
-
-
GRM033C80J
Tape & Reel (TR)
GRM
-
6.3V
-55°C ~ 105°C
-
Surface Mount, MLCC
0.024" L x 0.012" W (0.60mm x 0.30mm)
-
-
1 µF
±20%
RFQ
GRM1555C1H8R2CA01D
Murata Electronics
CAP CER 8.2PF 50V C0G/NP0 0402
Disponível3885700 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)
-
-
8.2 pF
±0.25pF
RFQ
AC0402CRNPO9BN2R7
YAGEO
CAP CER 2.7PF 50V C0G/NPO 0402
Disponível4003000 pcs
Automotive
-
0402 (1005 Metric)
C0G, NP0
0.022' (0.55mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
AC
-
50V
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.039' L x 0.020' W (1.00mm x 0.50mm)
-
-
2.7 pF
±0.25pF
RFQ
1206CC332KAT1A
KYOCERA AVX
CAP CER 3300PF 630V X7R 1206
Disponível501800 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.071' (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
630V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.130' L x 0.063' W (3.30mm x 1.60mm)
-
High Voltage
3300 pF
±10%
RFQ
22255A393JAT2A
KYOCERA AVX
CAP CER 0.039UF 50V NP0 2225
Disponível524000 pcs
General Purpose
-
2225 (5763 Metric)
C0G, NP0
0.060' (1.52mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.225' L x 0.250' W (5.72mm x 6.35mm)
-
-
0.039 µF
±5%
RFQ
GRM1555C1E5R7DA01D
Murata Electronics
CAP CER 5.7PF 25V C0G/NP0 0402
Disponível4130200 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)
-
-
5.7 pF
±0.5pF
RFQ
CL02C050CO2GNNC
Samsung Electro-Mechanics
CAP CER 5PF 16V C0G/NP0 01005
Disponível1311450 pcs
General Purpose
-
01005 (0402 Metric)
C0G, NP0
0.009" (0.22mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
16V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.016" L x 0.008" W (0.40mm x 0.20mm)
-
-
5 pF
±0.25pF
RFQ
CL31B106KQHNNNE
Samsung Electro-Mechanics America, Inc.
CAP CER 10UF 6.3V X7R 1206
Disponível462100 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.071" (1.80mm)
-
-
Tape & Reel (TR)
Lead free / RoHS Compliant
1 (Unlimited)
1276-2748-2
-
-
CL
10µF ±10% 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)
-
-
10µF
±10%
RFQ
CL31B332KGFNNNF
Samsung Electro-Mechanics
CAP CER 3300PF 500V X7R 1206
Disponível385800 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.055' (1.40mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
500V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126' L x 0.063' W (3.20mm x 1.60mm)
-
-
3300 pF
±10%
RFQ
CGA5F1X7S3A102M085AE
TDK Corporation
CAP CER 1000PF 1KV X7S 1206
Disponível154800 pcs
Automotive, Boardflex Sensitive
-
1206 (3216 Metric)
X7S
0.039' (1.00mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CGA
-
1000V (1kV)
-55°C ~ 125°C
AEC-Q200
Surface Mount, MLCC
0.126' L x 0.063' W (3.20mm x 1.60mm)
-
Soft Termination
1000 pF
±20%
RFQ
C2012JB1C106M085AC
TDK Corporation
CAP CER 10UF 16V JB 0805
Disponível770650 pcs
General Purpose
-
0805 (2012 Metric)
JB
0.039" (1.00mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
16V
-25°C ~ 85°C
-
Surface Mount, MLCC
0.079" L x 0.049" W (2.00mm x 1.25mm)
-
Low ESL
10 µF
±20%
RFQ
12102U1R8BAT2A
KYOCERA AVX
CAP CER 1.8PF 200V NP0 1210
Disponível143440 pcs
RF, Microwave, High Frequency
-
1210 (3225 Metric)
C0G, NP0
0.037' (0.94mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
U
-
200V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126' L x 0.098' W (3.20mm x 2.50mm)
-
Ultra Low ESR
1.8 pF
±0.1pF
RFQ
GRM0335C1H1R6BA01D
Murata Electronics
CAP CER 1.6PF 50V C0G/NP0 0201
Disponível9586300 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)
-
-
1.6 pF
±0.1pF
RFQ
06035A5R6JAT2A
KYOCERA AVX
CAP CER 5.6PF 50V NP0 0603
Disponível2883350 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)
-
-
5.6 pF
±5%
RFQ
GRM0225C1E4R4WDAEL
Murata Electronics
CAP CER 4.4PF 25V C0G/NP0 01005
Disponível226000 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)
-
-
4.4 pF
±0.05pF
RFQ
C1608X6S0J475K080AB
TDK Corporation
CAP CER 4.7UF 6.3V X6S 0603
Disponível603650 pcs
General Purpose
-
0603 (1608 Metric)
X6S
0.035" (0.90mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
6.3V
-55°C ~ 105°C
-
Surface Mount, MLCC
0.063" L x 0.031" W (1.60mm x 0.80mm)
-
Low ESL
4.7 µF
±10%
RFQ
18125A272JAT2A
KYOCERA AVX
CAP CER 2700PF 50V NP0 1812
Disponível100780 pcs
General Purpose
-
1812 (4532 Metric)
C0G, NP0
0.040' (1.02mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
50V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.180' L x 0.126' W (4.57mm x 3.20mm)
-
-
2700 pF
±5%
RFQ
C4520CH3F180K110KA
TDK Corporation
CAP CER 18PF 3KV CH 1808
Disponível94110 pcs
General Purpose
-
1808 (4520 Metric)
CH
0.051" (1.30mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
C
-
3000V (3kV)
-25°C ~ 85°C
-
Surface Mount, MLCC
0.177" L x 0.079" W (4.50mm x 2.00mm)
-
High Voltage
18 pF
±10%
RFQ
GRM0335C1E6R6CA01D
Murata Electronics
CAP CER 6.6PF 25V C0G/NP0 0201
Disponível14185100 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)
-
-
6.6 pF
±0.25pF
RFQ
GCM188L81C154KA37D
Murata Electronics
CAP CER 0.15UF 16V X8L 0603
Disponível928800 pcs
Automotive
-
0603 (1608 Metric)
X8L
0.035' (0.90mm)
-
-
-
-
-
-
GCM188L81C
Tape & Reel (TR)
GCM
-
16V
-55°C ~ 150°C
AEC-Q200
Surface Mount, MLCC
0.063' L x 0.031' W (1.60mm x 0.80mm)
-
-
0.15 µF
±10%
RFQ
0402YC103KA72A
KYOCERA AVX
CAP CER 10000PF 16V X7R 0402
Disponível133000 pcs
General Purpose
-
0402 (1005 Metric)
X7R
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)
-
-
10000 pF
±10%
RFQ
GRM1556R1H7R9DZ01D
Murata Electronics
CAP CER 7.9PF 50V R2H 0402
Disponível121400 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)
-
-
7.9 pF
±0.5pF
RFQ
C1608C0G1H561J/10
TDK Corporation
CAP CER 560PF 50V C0G 0603
Disponível827300 pcs
General Purpose
-
0603 (1608 Metric)
C0G, NP0
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)
-
-
560 pF
±5%
RFQ
12061C822KAT2A
KYOCERA AVX
CAP CER 8200PF 100V X7R 1206
Disponível465850 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)
-
-
8200 pF
±10%
RFQ
1812CC332KAT3A\SB
KYOCERA AVX
CAP CER 3300PF 630V X7R 1812
Disponível205200 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
3300 pF
±10%
RFQ
12062A2R7CAT4A
KYOCERA AVX
CAP CER 2.7PF 200V C0G/NP0 1206
Disponível523350 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)
-
-
2.7 pF
±0.25pF
RFQ
UMK105CH040CV-F
Taiyo Yuden
CAP CER 4PF 50V CH 0402
Disponível110100 pcs
General Purpose
-
0402 (1005 Metric)
CH
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)
-
-
4 pF
±0.25pF
RFQ
GRM3196S2A270JZ01D
Murata Electronics
CAP CER 27PF 100V S2H 1206
Disponível370200 pcs
General Purpose
-
1206 (3216 Metric)
S2H
0.037' (0.95mm)
-
-
-
-
-
-
GRM3196S2A
Tape & Reel (TR)
GRM
-
100V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126' L x 0.063' W (3.20mm x 1.60mm)
-
-
27 pF
±5%
RFQ
CL31B105JAHNNNE
Samsung Electro-Mechanics
CAP CER 1UF 25V X7R 1206
Disponível549200 pcs
General Purpose
-
1206 (3216 Metric)
X7R
0.071" (1.80mm)
-
-
-
-
-
-
-
Tape & Reel (TR)
CL
-
25V
-55°C ~ 125°C
-
Surface Mount, MLCC
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
-
1 µF
±5%
RFQ