
Items : %s%s
Through Hole Resistors
Compare | Image | Name | Manufacturer | Pricing(USD) | Quantity | Weight(Kg) | Size(LxWxH) | Factory Lead Time | Mount | Packaging | Published | Series | Part Status | Moisture Sensitivity Level (MSL) | Number of Terminations | ECCN Code | Max Operating Temperature | Min Operating Temperature | Length | RoHS Status | Contact Plating | Radiation Hardening | Package / Case | Reach Compliance Code | Height | Width | Resistance | Operating Temperature | Size / Dimension | Height Seated (Max) | Subcategory | Max Power Dissipation | Composition | Feature | Tolerance | Temperature Coefficient | Resistor Type | Supplier Device Package | Power (Watts) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
Y010650R0000F0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | H | Active | Not Applicable | 2 | 125°C | -55°C | 25.4mm | ROHS3 Compliant | Axial | 50Ohms | -55°C~125°C | 0.500Diax1.000L 12.70mmx25.40mm | 1.5W | Metal Foil | Non-Inductive | ±1% | ±2ppm/°C | 1.5W | |||||||||||||||
![]() |
Y00621K49900B0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | S | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | Non-RoHS Compliant | Radial | 8.5344mm | 2.667mm | 1.499kOhms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.1% | ±1ppm/°C | 0.6W | ||||||||||||
![]() |
Y00626K00000V9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2003 | S | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | ROHS3 Compliant | Radial | 8.5344mm | 2.667mm | 6kOhms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.005% | ±1ppm/°C | 0.6W | |||||||||||
![]() |
Y4078229R670V9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2010 | VHP101 | Active | Not Applicable | 2 | 125°C | -55°C | 10.541mm | ROHS3 Compliant | Radial | 11.43mm | 4.1148mm | 229.67Ohms | -55°C~125°C | 0.415Lx0.162W 10.54mmx4.11mm | 0.450 11.43mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.005% | 0.0ppm/°C | 0.3W | |||||||||||
![]() |
Y00772K00000A9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | VH | Active | Not Applicable | 2 | 150°C | -55°C | 11.049mm | ROHS3 Compliant | Radial | 10.922mm | 4.699mm | 2kOhms | -55°C~125°C | 0.435Lx0.185W 11.05mmx4.70mm | 0.430 10.92mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.05% | ±2ppm/°C | 0.6W | ||||||||||||
![]() |
Y16087R00000F9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2010 | VCS232Z | Active | Not Applicable | 4 | 150°C | -55°C | 31.496mm | ROHS3 Compliant | Radial - 4 Leads | 13.0048mm | 4.4958mm | 7Ohms | -55°C~125°C | 1.240Lx0.177W 31.50mmx4.50mm | 0.512 13.00mm | 2W | Metal Foil | Current Sense, Moisture Resistant, Non-Inductive | ±1% | ±0.2ppm/°C | 2W | |||||||||||
![]() |
Y01041K00000T9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | H | Active | Not Applicable | 2 | EAR99 | ROHS3 Compliant | Axial | unknown | 1kOhm | -55°C~125°C | 0.500Diax1.000L 12.70mmx25.40mm | Fixed Resistors | 1W | Metal Foil | Non-Inductive | ±0.01% | ±2ppm/°C | FIXED RESISTOR | |||||||||||||||
![]() |
Y0793100R000V9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | RCK | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | ROHS3 Compliant | Radial | 8.5344mm | 2.4892mm | 100Ohms | -55°C~125°C | 0.300Lx0.098W 7.62mmx2.50mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.005% | ±2ppm/°C | 0.6W | ||||||||||||
![]() |
Y0875230R000T0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | VSH | Active | Not Applicable | 2 | 150°C | -75°C | 5.7912mm | Non-RoHS Compliant | Radial | 6.5024mm | 2.2098mm | 230Ohms | -65°C~150°C | 0.228Lx0.087W 5.80mmx2.20mm | 0.256 6.50mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.01% | ±2ppm/°C | 0.3W | ||||||||||||
![]() |
Y006225R0000F0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Through Hole | Bulk | S | Active | Not Applicable | 2 | 125°C | -55°C | 7.62mm | ROHS3 Compliant | Lead, Tin | No | Radial | 8.5344mm | 2.667mm | 25Ohms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 600mW | Metal Foil | Moisture Resistant, Non-Inductive | ±1% | ±1ppm/°C | 0.6W | |||||||||
![]() |
Y6071120R000V9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | HZ | Active | Not Applicable | 2 | 125°C | -55°C | 10.541mm | ROHS3 Compliant | Radial | 11.43mm | 4.1148mm | 120Ohms | -55°C~125°C | 0.415Lx0.162W 10.54mmx4.11mm | 0.450 11.43mm | 300mW | Metal Foil | Non-Inductive | ±0.005% | ±0.2ppm/°C | 0.3W | ||||||||||||
![]() |
Y1453389R446V0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2003 | Z | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | Non-RoHS Compliant | Radial | 8.5344mm | 2.667mm | 389.446Ohms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.005% | ±0.2ppm/°C | 0.6W | |||||||||||
![]() |
Y0075470R000B9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2010 | VSR | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | ROHS3 Compliant | Radial | 8.5344mm | 2.667mm | 470Ohms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 200mW | Metal Foil | Non-Inductive | ±0.1% | ±8ppm/°C | 0.3W | |||||||||||
![]() |
Y000787R2200T9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | S | Active | Not Applicable | 2 | 125°C | -55°C | 7.62mm | ROHS3 Compliant | Radial | 8.5344mm | 2.667mm | 87.22Ohms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 600mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.01% | ±2ppm/°C | 0.6W | ||||||||||||
![]() |
Y073410R0000J0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2010 | VFP-4 | Active | Not Applicable | 4 | 150°C | -55°C | 40.005mm | Non-RoHS Compliant | Radial - 4 Leads | 20.3962mm | 7.0104mm | 10Ohms | -55°C~150°C | 1.575Lx0.276W 40.01mmx7.01mm | 0.803 20.40mm | 3W | Metal Foil | Current Sense, Moisture Resistant, Non-Inductive | ±5% | ±2ppm/°C | 10W | |||||||||||
![]() |
Y0075556R000F0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2010 | VSR | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | Non-RoHS Compliant | Radial | 8.5344mm | 2.667mm | 556Ohms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 200mW | Metal Foil | Non-Inductive | ±1% | ±8ppm/°C | 0.3W | |||||||||||
![]() |
Y0786499R000B0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | S | Active | Not Applicable | 2 | 125°C | -55°C | 7.62mm | ROHS3 Compliant | Radial | 8.5344mm | 2.667mm | 499Ohms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 600mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.1% | ±1ppm/°C | 0.6W | ||||||||||||
![]() |
Y00075K62000T0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | S | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | Non-RoHS Compliant | Radial | 8.5344mm | 2.667mm | 5.62kOhms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.01% | ±2ppm/°C | 0.6W | ||||||||||||
![]() |
Y607250R0000B0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | VHP203 | Active | Not Applicable | 2 | 10.541mm | ROHS3 Compliant | Radial | 10.033mm | 4.1148mm | 50Ohms | 0.415Lx0.162W 10.54mmx4.11mm | 0.395 10.03mm | 200mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.1% | ±0.2ppm/°C | 0.2W 1/5W | |||||||||||||||
![]() |
Y607110K0000B0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2010 | HZ | Active | Not Applicable | 2 | EAR99 | Non-RoHS Compliant | Radial | unknown | 11.43mm | 10kOhm | -55°C~125°C | 0.415Lx0.162W 10.54mmx4.11mm | 0.450 11.43mm | Fixed Resistors | 300mW | Metal Foil | Non-Inductive | ±0.1% | ±0.2ppm/°C | FIXED RESISTOR | 0.3W | |||||||||||
![]() |
Y00287K25100B9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | VTA | Active | Not Applicable | 2 | ROHS3 Compliant | Axial | 7.251kOhms | -55°C~125°C | 0.375Diax1.000L 9.53mmx25.40mm | Metal Foil | Non-Inductive | ±0.1% | ±8ppm/°C | Axial | 1W | ||||||||||||||||||
![]() |
Y14533K60310V9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | Z | Active | Not Applicable | 2 | ROHS3 Compliant | Radial | 3.6031kOhms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | Metal Foil | Moisture Resistant, Non-Inductive | ±0.005% | ±2ppm/°C | 0.6W | ||||||||||||||||||
![]() |
Y006224K5000T0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | S | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | Non-RoHS Compliant | Radial | 8.5344mm | 2.667mm | 24.5kOhms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.01% | ±1ppm/°C | 0.6W | ||||||||||||
![]() |
Y078910K0000Q9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | 9 Weeks | Bulk | VSR | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | ROHS3 Compliant | Radial | 8.5344mm | 2.667mm | 10kOhms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 200mW | Metal Foil | Non-Inductive | ±0.02% | ±8ppm/°C | 0.3W | |||||||||||
![]() |
Y14536K80000F9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2011 | Z | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | ROHS3 Compliant | Radial | 8.5344mm | 2.667mm | 6.8kOhms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±1% | ±0.2ppm/°C | 0.6W | |||||||||||
![]() |
Y078510K2400T9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | S | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | ROHS3 Compliant | Radial | 8.5344mm | 2.667mm | 10.24kOhms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.01% | ±2ppm/°C | 0.6W | ||||||||||||
![]() |
Y0007350R000B0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Through Hole | Bulk | 2003 | S | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | Non-RoHS Compliant | Lead, Tin | No | Radial | 8.5344mm | 2.667mm | 350Ohms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.1% | ±2ppm/°C | 0.6W | ||||||||
![]() |
Y00582K48000T0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2010 | VTA | Active | Not Applicable | 2 | 125°C | -55°C | 12.7mm | ROHS3 Compliant | Axial | 2.48kOhms | -55°C~125°C | 0.260Diax0.500L 6.60mmx12.70mm | 300mW | Metal Foil | Non-Inductive | ±0.01% | ±8ppm/°C | 0.3W | ||||||||||||||
![]() |
Y00072K00000D9L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2003 | S | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | ROHS3 Compliant | Radial | 8.5344mm | 2.667mm | 2kOhms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 300mW | Metal Foil | Moisture Resistant, Non-Inductive | ±0.5% | ±2ppm/°C | 0.6W | |||||||||||
![]() |
Y0789120R000T0L | Vishay Foil Resistors (Division of Vishay Precision Group) | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2009 | VSR | Active | Not Applicable | 2 | 175°C | -55°C | 7.62mm | Non-RoHS Compliant | Radial | 8.5344mm | 2.667mm | 120Ohms | -55°C~125°C | 0.300Lx0.105W 7.62mmx2.67mm | 0.336 8.53mm | 200mW | Metal Foil | Non-Inductive | ±0.01% | ±8ppm/°C | 0.3W |
-
Y010650R0000F0L Vishay Foil Resistors (Division of Vishay Precision Group)
Y010650R0000F0L datasheet pdf and Through Hole Resistors product details from Vishay Foil Resistors (Division of Vishay Precision Group) stock available at Utmel
Price: 0.0000
RFQ -
Y00621K49900B0L Vishay Foil Resistors (Division of Vishay Precision Group)
1.499kOhms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y00626K00000V9L Vishay Foil Resistors (Division of Vishay Precision Group)
6kOhms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y4078229R670V9L Vishay Foil Resistors (Division of Vishay Precision Group)
229.67Ohms, 0.3W, Metal Foil,
Price: 0.0000
RFQ -
Y00772K00000A9L Vishay Foil Resistors (Division of Vishay Precision Group)
2kOhms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y16087R00000F9L Vishay Foil Resistors (Division of Vishay Precision Group)
7Ohms, 2W, Metal Foil,
Price: 0.0000
RFQ -
Y01041K00000T9L Vishay Foil Resistors (Division of Vishay Precision Group)
FIXED RESISTOR, 1kOhm, Metal Foil,
Price: 0.0000
RFQ -
Y0793100R000V9L Vishay Foil Resistors (Division of Vishay Precision Group)
100Ohms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y0875230R000T0L Vishay Foil Resistors (Division of Vishay Precision Group)
230Ohms, 0.3W, Metal Foil,
Price: 0.0000
RFQ -
Y006225R0000F0L Vishay Foil Resistors (Division of Vishay Precision Group)
Y006225R0000F0L datasheet pdf and Through Hole Resistors product details from Vishay Foil Resistors (Division of Vishay Precision Group) stock available at Utmel
Price: 0.0000
RFQ -
Y6071120R000V9L Vishay Foil Resistors (Division of Vishay Precision Group)
120Ohms, 0.3W, Metal Foil,
Price: 0.0000
RFQ -
Y1453389R446V0L Vishay Foil Resistors (Division of Vishay Precision Group)
389.446Ohms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y0075470R000B9L Vishay Foil Resistors (Division of Vishay Precision Group)
470Ohms, 0.3W, Metal Foil,
Price: 0.0000
RFQ -
Y000787R2200T9L Vishay Foil Resistors (Division of Vishay Precision Group)
87.22Ohms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y073410R0000J0L Vishay Foil Resistors (Division of Vishay Precision Group)
Y073410R0000J0L datasheet pdf and Through Hole Resistors product details from Vishay Foil Resistors (Division of Vishay Precision Group) stock available at Utmel
Price: 0.0000
RFQ -
Y0075556R000F0L Vishay Foil Resistors (Division of Vishay Precision Group)
556Ohms, 0.3W, Metal Foil,
Price: 0.0000
RFQ -
Y0786499R000B0L Vishay Foil Resistors (Division of Vishay Precision Group)
499Ohms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y00075K62000T0L Vishay Foil Resistors (Division of Vishay Precision Group)
5.62kOhms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y607250R0000B0L Vishay Foil Resistors (Division of Vishay Precision Group)
50Ohms, 0.2W 1/5W, Metal Foil,
Price: 0.0000
RFQ -
Y607110K0000B0L Vishay Foil Resistors (Division of Vishay Precision Group)
FIXED RESISTOR, 10kOhm, 0.3W, Metal Foil,
Price: 0.0000
RFQ -
Y00287K25100B9L Vishay Foil Resistors (Division of Vishay Precision Group)
7.251kOhms, 1W, Metal Foil,
Price: 0.0000
RFQ -
Y14533K60310V9L Vishay Foil Resistors (Division of Vishay Precision Group)
3.6031kOhms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y006224K5000T0L Vishay Foil Resistors (Division of Vishay Precision Group)
24.5kOhms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y078910K0000Q9L Vishay Foil Resistors (Division of Vishay Precision Group)
10kOhms, 0.3W, Metal Foil,
Price: 0.0000
RFQ -
Y14536K80000F9L Vishay Foil Resistors (Division of Vishay Precision Group)
6.8kOhms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y078510K2400T9L Vishay Foil Resistors (Division of Vishay Precision Group)
Y078510K2400T9L datasheet pdf and Through Hole Resistors product details from Vishay Foil Resistors (Division of Vishay Precision Group) stock available at Utmel
Price: 0.0000
RFQ -
Y0007350R000B0L Vishay Foil Resistors (Division of Vishay Precision Group)
Through Hole 350Ohms, 0.6W, Metal Foil,
Price: 0.0000
RFQ -
Y00582K48000T0L Vishay Foil Resistors (Division of Vishay Precision Group)
2.48kOhms, 0.3W, Metal Foil,
Price: 0.0000
RFQ -
Y00072K00000D9L Vishay Foil Resistors (Division of Vishay Precision Group)
Y00072K00000D9L datasheet pdf and Through Hole Resistors product details from Vishay Foil Resistors (Division of Vishay Precision Group) stock available at Utmel
Price: 0.0000
RFQ -
Y0789120R000T0L Vishay Foil Resistors (Division of Vishay Precision Group)
120Ohms, 0.3W, Metal Foil,
Price: 0.0000
RFQ