IRS2118SPBF
Infineon Technologies
IC GATE DRVR HIGH-SIDE 8SOIC
Stokta var35348 pcs
IGBT, N-Channel MOSFET
Tube
IRS2118
600 V
75ns, 35ns
290mA, 600mA
6V, 9.5V
1
High-Side
Single
10V ~ 20V
8-SOIC
8-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 150°C (TJ)
Inverting
-
RFQ
ISL6613CRZ
Renesas Electronics America Inc
IC GATE DRVR HALF-BRIDGE 10DFN
Stokta var10410 pcs
N-Channel MOSFET
Tube
ISL6613
36 V
26ns, 18ns
1.25A, 2A
-
2
Half-Bridge
Synchronous
10.8V ~ 13.2V
10-DFN (3x3)
10-VFDFN Exposed Pad
Surface Mount
0°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
2EDF7275FXUMA1
Infineon Technologies
IC GATE DRVR HALF-BRIDG DSO16-11
Stokta var19494 pcs
N-Channel, P-Channel MOSFET
Tape & Reel (TR)
2EDF7275
-
6.5ns, 4.5ns
4A, 8A
-, 1.65V
2
Half-Bridge
Independent
20V
PG-DSO-16-11
16-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TA)
Non-Inverting
EiceDriver™
RFQ
ISL6614CRZ-T
Renesas Electronics America Inc
IC GATE DRVR HALF-BRIDGE 16QFN
Stokta var9830 pcs
N-Channel MOSFET
Tape & Reel (TR)
ISL6614
36 V
26ns, 18ns
1.25A, 2A
-
4
Half-Bridge
Synchronous
10.8V ~ 13.2V
16-QFN (4x4)
16-VQFN Exposed Pad
Surface Mount
0°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
IR2135JPBF
Infineon Technologies
IC GATE DRVR HALF-BRIDGE 44PLCC
Stokta var2838 pcs
IGBT, N-Channel MOSFET
Tube
IR2135
600 V
90ns, 40ns
250mA, 500mA
0.8V, 2.2V
6
Half-Bridge
3-Phase
10V ~ 20V
44-PLCC, 32 Leads (16.58x16.58)
44-LCC (J-Lead), 32 Leads
Surface Mount
125°C (TJ)
Inverting
-
RFQ
ZL1505ALNNT1
Renesas Electronics America Inc
IC GATE DRVR HALF-BRIDGE 10DFN
Stokta var7750 pcs
N-Channel MOSFET
Tape & Reel (TR)
ZL1505
30 V
5.3ns, 4.8ns
3.2A, 3.2A
1.7V, 3.4V
2
Half-Bridge
Independent
4.5V ~ 7.5V
10-DFN (3x3)
10-VFDFN Exposed Pad
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
LM27222M
Texas Instruments
IC GATE DRVR HALF-BRIDGE 8SOIC
Stokta var13983 pcs
N-Channel MOSFET
Tube
LM27222
33 V
17ns, 12ns
3A, 4.5A
-
2
Half-Bridge
Synchronous
4V ~ 6.85V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
ADP3418JR-REEL
Analog Devices Inc.
DUAL BOOSTRAPPED 12V MOSFET DRIV
Stokta var146090 pcs
N-Channel, P-Channel MOSFET
Bulk
ADP3418
-
-
-
0.8V, 2.8V
2
High-Side
Synchronous
4.15V ~ 13.2V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
0°C ~ 85°C (TA)
Inverting, Non-Inverting
-
RFQ
IRS25091SPBF
Infineon Technologies
IC GATE DRVR HALF-BRIDGE 8SOIC
Stokta var15340 pcs
IGBT, N-Channel MOSFET
Tube
IRS25091
600 V
150ns, 50ns
200mA, 350mA
0.8V, 2.2V
2
Half-Bridge
Synchronous
10V ~ 20V
8-SOIC
8-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 150°C (TJ)
Non-Inverting
-
RFQ
HIP6602BCRZ-T
Renesas Electronics America Inc
IC GATE DRVR HALF-BRIDGE 16QFN
Stokta var9880 pcs
N-Channel MOSFET
Tape & Reel (TR)
HIP6602
15 V
20ns, 20ns
-
-
4
Half-Bridge
Synchronous
10.8V ~ 13.2V
16-QFN (5x5)
16-VQFN Exposed Pad
Surface Mount
0°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
MIC4423YM
Microchip Technology
IC GATE DRVR LOW-SIDE 8SOIC
Stokta var27446 pcs
N-Channel, P-Channel MOSFET
Tube
MIC4423
-
28ns, 32ns
3A, 3A
0.8V, 2.4V
2
Low-Side
Independent
4.5V ~ 18V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 150°C (TJ)
Inverting
-
RFQ
LT8672EMS#TRPBF
Analog Devices Inc.
IC GATE DRVR HIGH-SIDE 10MSOP
Stokta var9177 pcs
N-Channel MOSFET
Tape & Reel (TR)
LT8672
-
-
-
-
1
High-Side
Single
3V ~ 42V
10-MSOP
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
MP18021HN-LF-Z
Monolithic Power Systems Inc.
IC GATE DRVR HALF-BRIDGE 8SOIC
Stokta var50630 pcs
N-Channel MOSFET
Tape & Reel (TR)
MP18021
100 V
12ns, 9ns
2.5A, 2.5A
1V, 2.4V
2
Half-Bridge
Independent
9V ~ 16V
8-SOICE
8-SOIC (0.154", 3.90mm Width) Exposed Pad
Surface Mount
-40°C ~ 140°C (TJ)
Non-Inverting
-
RFQ
ISL6208IBZ
Renesas Electronics America Inc
IC GATE DRVR HALF-BRIDGE 8SOIC
Stokta var26520 pcs
N-Channel MOSFET
Tube
ISL6208
33 V
8ns, 8ns
2A, 2A
0.5V, 2V
2
Half-Bridge
Synchronous
4.5V ~ 5.5V
8-SOIC
8-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
EL7155CSZ-T7
Renesas Electronics America Inc
IC GATE DRVR HI/LOW SIDE 8SOIC
Stokta var6610 pcs
IGBT
Tape & Reel (TR)
EL7155
-
14.5ns, 15ns
3.5A, 3.5A
0.8V, 2.4V
2
High-Side or Low-Side
Synchronous
4.5V ~ 16.5V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
NCV5703CDR2G
onsemi
IC GATE DRVR HALF-BRIDGE 8SOIC
Stokta var10350 pcs
IGBT
Tape & Reel (TR)
NCV5703
-
9.2ns, 7.9ns
1A, 1A
0.75V, 4.3V
1
Half-Bridge
Synchronous
20V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TA)
Non-Inverting
Automotive, AEC-Q100
RFQ
MIC5020YM-TR
Microchip Technology
IC GATE DRVR LOW-SIDE 8SOIC
Stokta var16931 pcs
N-Channel MOSFET
Tape & Reel (TR)
MIC5020
-
700ns, 500ns
-
0.8V, 2V
1
Low-Side
Single
11V ~ 50V
8-SOIC
8-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 85°C (TA)
Non-Inverting
-
RFQ
ISL6614IBZ-T
Renesas Electronics America Inc
IC GATE DRVR HALF-BRIDGE 14SOIC
Stokta var9370 pcs
N-Channel MOSFET
Tape & Reel (TR)
ISL6614
36 V
26ns, 18ns
1.25A, 2A
-
4
Half-Bridge
Synchronous
10.8V ~ 13.2V
14-SOIC
14-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
AUIRB24427S
Infineon Technologies
IC GATE DRVR LOW-SIDE 8SOIC
Stokta var10010 pcs
N-Channel MOSFET
Tube
AUIRB24427
-
33ns, 33ns (Max)
6A, 6A
0.8V, 2.5V
2
Low-Side
Independent
5V ~ 20V
PG-DSO-8-9
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 150°C (TJ)
Non-Inverting
-
RFQ
IRS2103STRPBF
Infineon Technologies
IC GATE DRVR HALF-BRIDGE 8SOIC
Stokta var47680 pcs
IGBT, N-Channel MOSFET
Tape & Reel (TR)
IRS2103
600 V
70ns, 35ns
290mA, 600mA
0.8V, 2.5V
2
Half-Bridge
Independent
10V ~ 20V
8-SOIC
8-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 150°C (TJ)
Inverting, Non-Inverting
-
RFQ
IR3598MTRPBF
Infineon Technologies
IC GATE DRVR HALF-BRIDGE 16QFN
Stokta var20408 pcs
N-Channel MOSFET
Tape & Reel (TR)
IR3598
-
15ns, 12ns
-
-
4
Half-Bridge
Synchronous
4.5V ~ 5.5V
16-QFN (3x3)
16-VFQFN Exposed Pad
Surface Mount
0°C ~ 85°C (TA)
Non-Inverting
-
RFQ
MIC4426YN
Microchip Technology
IC GATE DRVR LOW-SIDE 8DIP
Stokta var26173 pcs
N-Channel, P-Channel MOSFET
Tube
MIC4426
-
20ns, 29ns
1.5A, 1.5A
0.8V, 2.4V
2
Low-Side
Independent
4.5V ~ 18V
8-PDIP
8-DIP (0.300", 7.62mm)
Through Hole
-40°C ~ 150°C (TJ)
Inverting
-
RFQ
TC4427EOA713
Microchip Technology
IC GATE DRVR LOW-SIDE 8SOIC
Stokta var34490 pcs
N-Channel, P-Channel MOSFET
Tape & Reel (TR)
TC4427
-
19ns, 19ns
1.5A, 1.5A
0.8V, 2.4V
2
Low-Side
Independent
4.5V ~ 18V
8-SOIC
8-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 85°C (TA)
Non-Inverting
-
RFQ
UCC27210DPRT
Texas Instruments
IC GATE DRVR HALF-BRIDGE 10WSON
Stokta var24322 pcs
N-Channel MOSFET
Tape & Reel (TR)
UCC27210
120 V
7.2ns, 5.5ns
4A, 4A
2.4V, 5.8V
2
Half-Bridge
Independent
8V ~ 17V
10-WSON (4x4)
10-WDFN Exposed Pad
Surface Mount
-40°C ~ 140°C (TJ)
Non-Inverting
-
RFQ
IRS2336DMTRPBF
Infineon Technologies
IC GATE DRVR HALF-BRIDGE 48MLPQ
Stokta var9455 pcs
IGBT, N-Channel MOSFET
Tape & Reel (TR)
IRS2336
600 V
125ns, 50ns
200mA, 350mA
0.8V, 2.5V
6
Half-Bridge
3-Phase
10V ~ 20V
48-MLPQ, 34 Leads (7x7)
48-VFQFN Exposed Pad, 34 Leads
Surface Mount
-40°C ~ 150°C (TJ)
Inverting
-
RFQ
EL7202CS
Renesas Electronics America Inc
IC GATE DRVR LOW-SIDE 8SOIC
Stokta var4170 pcs
N-Channel, P-Channel MOSFET
Tube
EL7202
-
7.5ns, 10ns
2A, 2A
0.8V, 2.4V
2
Low-Side
Independent
4.5V ~ 15V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
ISL6209CB
Intersil
HALF BRIDGE BASED MOSFET DRIVER
Stokta var73530 pcs
N-Channel MOSFET
Tube
ISL6209
33 V
8ns, 8ns
2A, 2A
1.8V, 3.1V
2
Half-Bridge
Synchronous
4.5V ~ 5.5V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-10°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
MAX8552ETB+T
Analog Devices Inc./Maxim Integrated
IC GATE DRVR HALF-BRIDGE 10TDFN
Stokta var23641 pcs
N-Channel MOSFET
Tape & Reel (TR)
MAX8552
-
14ns, 9ns
-
0.8V, 2.5V
2
Half-Bridge
Synchronous
4.5V ~ 6.5V
10-TDFN (3x3)
10-WFDFN Exposed Pad
Surface Mount
-40°C ~ 150°C (TJ)
Non-Inverting
-
RFQ
NCP5106ADR2G
onsemi
IC GATE DRVR HALF-BRIDGE 8SOIC
Stokta var61680 pcs
IGBT, N-Channel MOSFET
Tape & Reel (TR)
NCP5106
600 V
85ns, 35ns
250mA, 500mA
0.8V, 2.3V
2
Half-Bridge
Independent
10V ~ 20V
8-SOIC
8-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
EL7158ISZ-T7
Renesas Electronics America Inc
IC GATE DRVR HI/LOW SIDE 8SOIC
Stokta var5388 pcs
IGBT
Tape & Reel (TR)
EL7158
-
12ns, 12.2ns
12A, 12A
0.8V, 2.4V
1
High-Side or Low-Side
Single
4.5V ~ 12V
8-SOIC
8-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
AUIRS4427STR
International Rectifier
AUIRS4427 - GATE DRIVER
Stokta var7060 pcs
-
Bulk
AUIRS4427
-
-
-
-
2
Low-Side
-
6V ~ 20V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-
Non-Inverting
-
RFQ
ISL6614CRZ
Intersil
HALF BRIDGE BASED MOSFET DRIVER,
Stokta var10010 pcs
N-Channel MOSFET
Bulk
ISL6614
36 V
26ns, 18ns
1.25A, 2A
-
4
Half-Bridge
Synchronous
10.8V ~ 13.2V
16-QFN (4x4)
16-VQFN Exposed Pad
Surface Mount
0°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
LMG1210RVRR
Texas Instruments
IC GATE DRVR GAN MOSFET
Stokta var13249 pcs
N-Channel MOSFET
Tape & Reel (TR)
LMG1210
200 V
500ps, 500ps
1.5A, 3A
-
2
Half-Bridge
Independent
4.75V ~ 5.25V, 6V ~ 18V
19-WQFN (3x4)
19-WFQFN Exposed Pad
Surface Mount, Wettable Flank
-40°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
LM5112MY
Texas Instruments
IC GATE DRVR LOW-SIDE 8MSOP
Stokta var4770 pcs
N-Channel MOSFET
Tape & Reel (TR)
LM5112
-
14ns, 12ns
3A, 7A
0.8V, 2.3V
1
Low-Side
Single
3.5V ~ 14V
8-HVSSOP
8-TSSOP, 8-MSOP (0.118', 3.00mm Width) Exposed Pad
Surface Mount
-40°C ~ 125°C (TJ)
Inverting, Non-Inverting
-
RFQ
FAN7393MX
onsemi
IC GATE DRVR HALF-BRIDGE 14SOP
Stokta var12400 pcs
IGBT, N-Channel MOSFET
Tape & Reel (TR)
FAN7393
600 V
40ns, 20ns
2.5A, 2.5A
0.8V, 2.5V
2
Half-Bridge
Synchronous
10V ~ 20V
14-SOP
14-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 150°C (TJ)
Non-Inverting
-
RFQ
AUIRS21281S
Infineon Technologies
IC GATE DRVR HIGH-SIDE 8SOIC
Stokta var15810 pcs
IGBT, N-Channel MOSFET
Tube
AUIRS2128
600 V
80ns, 40ns
290mA, 600mA
0.8V, 2.5V
1
High-Side
Single
9V ~ 20V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 150°C (TJ)
Inverting
Automotive, AEC-Q100
RFQ
MIC5013BN
Microchip Technology
IC GATE DRV HI-SIDE/LO-SIDE 8DIP
Stokta var4750 pcs
N-Channel MOSFET
Tube
MIC5013
-
-
-
2V, 4.5V
1
High-Side or Low-Side
Single
7V ~ 32V
8-PDIP
8-DIP (0.300', 7.62mm)
Through Hole
-40°C ~ 85°C (TA)
Non-Inverting
-
RFQ
IR2213STRPBF
Infineon Technologies
IC GATE DRVR HALF-BRIDGE 16SOIC
Stokta var7457 pcs
IGBT, N-Channel MOSFET
Tape & Reel (TR)
IR2213
1200 V
25ns, 17ns
2A, 2.5A
6V, 9.5V
2
Half-Bridge
Independent
12V ~ 20V
16-SOIC
16-SOIC (0.295", 7.50mm Width)
Surface Mount
125°C (TJ)
Non-Inverting
-
RFQ
UCC27425DR
Texas Instruments
IC GATE DRVR LOW-SIDE 8SOIC
Stokta var49190 pcs
N-Channel, P-Channel MOSFET
Tape & Reel (TR)
UCC27425
-
20ns, 15ns
4A, 4A
1V, 2V
2
Low-Side
Independent
4V ~ 15V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
-40°C ~ 125°C (TA)
Inverting, Non-Inverting
-
RFQ
2EDL23N06PJXUMA1
Infineon Technologies
IC GATE DRVR HALF-BRIDGE 14DSO
Stokta var23758 pcs
N-Channel, P-Channel MOSFET
Tape & Reel (TR)
2EDL23
600 V
48ns, 37ns
1.8A, 2.3A
1.1V, 1.7V
2
Half-Bridge
Independent
10V ~ 17.5V
PG-DSO-14-2
14-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 150°C (TJ)
Non-Inverting
EiceDriver™
RFQ
LM5109BQNGTRQ1
Texas Instruments
IC GATE DRVR HALF-BRIDGE 8WSON
Stokta var62050 pcs
N-Channel MOSFET
Tape & Reel (TR)
LM5109
108 V
15ns, 15ns
1A, 1A
0.8V, 2.2V
2
Half-Bridge
Independent
8V ~ 14V
8-WSON (4x4)
8-WDFN Exposed Pad
Surface Mount
-40°C ~ 125°C (TJ)
Non-Inverting
Automotive, AEC-Q100
RFQ
NCD57001DWR2G
onsemi
IC GATE DRVR HALF-BRIDGE 16SOIC
Stokta var11435 pcs
IGBT
Tape & Reel (TR)
NCD57001
-
10ns, 15ns
7.8A, 7.1A
-
1
Half-Bridge
Single
24V
16-SOIC
16-SOIC (0.295", 7.50mm Width)
Surface Mount
-40°C ~ 125°C (TJ)
Inverting, Non-Inverting
Automotive, AEC-Q100
RFQ
IR2110PBF
Infineon Technologies
IC GATE DRVR HALF-BRIDGE 14DIP
Stokta var23434 pcs
IGBT, N-Channel MOSFET
Tube
IR2110
500 V
25ns, 17ns
2A, 2A
6V, 9.5V
2
Half-Bridge
Independent
3.3V ~ 20V
14-DIP
14-DIP (0.300', 7.62mm)
Through Hole
-40°C ~ 150°C (TJ)
Non-Inverting
-
RFQ
IXDN602D2TR
IXYS Integrated Circuits Division
IC GATE DRVR LOW-SIDE 8DFN
Stokta var40260 pcs
IGBT, N-Channel, P-Channel MOSFET
Tape & Reel (TR)
IXDN602
-
7.5ns, 6.5ns
2A, 2A
0.8V, 3V
2
Low-Side
Independent
4.5V ~ 35V
8-DFN-EP (5x4)
8-VDFN Exposed Pad
Surface Mount
-55°C ~ 150°C (TJ)
Non-Inverting
-
RFQ
ISL6611ACRZ-T
Renesas Electronics America Inc
IC GATE DRVR HALF-BRIDGE 16QFN
Stokta var12650 pcs
N-Channel MOSFET
Tape & Reel (TR)
ISL6611
36 V
8ns, 8ns
-, 4A
0.8V, 2V
4
Half-Bridge
Synchronous
4.5V ~ 5.5V
16-QFN (4x4)
16-VQFN Exposed Pad
Surface Mount
0°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
ISL6615ACRZ
Renesas Electronics America Inc
IC GATE DRVR HALF-BRIDGE 10DFN
Stokta var15360 pcs
N-Channel MOSFET
Tube
ISL6615
36 V
13ns, 10ns
2.5A, 4A
-
2
Half-Bridge
Synchronous
6.8V ~ 13.2V
10-DFN (3x3)
10-VFDFN Exposed Pad
Surface Mount
0°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
FAN73832MX
onsemi
IC GATE DRVR HALF-BRIDGE 8SOIC
Stokta var83960 pcs
IGBT, N-Channel MOSFET
Tape & Reel (TR)
FAN73832
600 V
50ns, 30ns
350mA, 650mA
1.2V, 2.9V
2
Half-Bridge
Synchronous
15V ~ 20V
8-SOIC
8-SOIC (0.154', 3.90mm Width)
Surface Mount
-40°C ~ 150°C (TJ)
Non-Inverting
-
RFQ
IR21014
Infineon Technologies
IC GATE DRVR HALF-BRIDGE 14DIP
Stokta var7820 pcs
IGBT, N-Channel MOSFET
Tube
IR21014
600 V
100ns, 50ns
210mA, 360mA
0.8V, 3V
2
Half-Bridge
Independent
10V ~ 20V
14-DIP
14-DIP (0.300', 7.62mm)
Through Hole
-40°C ~ 150°C (TJ)
Non-Inverting
-
RFQ
ISL6609ACBZ
Intersil
AND GATE BASED MOSFET DRIVER, 4A
Stokta var12281 pcs
N-Channel MOSFET
Bulk
ISL6609
36 V
8ns, 8ns
-, 4A
1V, 2V
2
Half-Bridge
Synchronous
4.5V ~ 5.5V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
0°C ~ 125°C (TJ)
Non-Inverting
-
RFQ
ISL6612CBZ-T
Renesas Electronics America Inc
IC GATE DRVR HALF-BRIDGE 8SOIC
Stokta var6760 pcs
N-Channel MOSFET
Tape & Reel (TR)
ISL6612
36 V
26ns, 18ns
1.25A, 2A
-
2
Half-Bridge
Synchronous
10.8V ~ 13.2V
8-SOIC
8-SOIC (0.154", 3.90mm Width)
Surface Mount
0°C ~ 125°C (TJ)
Non-Inverting
-
RFQ