VE-J30-IZ
Vicor Corporation
DC DC CONVERTER 5V 25W
Na zalogi5240 pcs
90%
1
-
5A
42V
5V
-
-
-
3 kV
-
-
VE-J30
Bulk
Through Hole
VE-J00™ (25W)
-40°C ~ 100°C
2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm)
60V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
VE-271-EX
Vicor Corporation
DC DC CONVERTER 12V 75W
Na zalogi4170 pcs
88%
1
-
6.25A
100V
12V
-
-
-
3 kV
-
-
VE-271
Bulk
Through Hole
VE-200™ (75W)
-10°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
375V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
75 W
RFQ
VI-B21-EW
Vicor Corporation
DC DC CONVERTER 12V 100W
Na zalogi4470 pcs
88%
1
-
8.33A
21V
12V
-
-
-
3 kV
-
-
VI-B21
Bulk
Through Hole
VI-200™ (100W)
-10°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
56V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
100 W
RFQ
VE-254-CU
Vicor Corporation
DC DC CONVERTER 48V 200W
Na zalogi89 pcs
90%
1
-
4.17A
100V
48V
-
-
-
3 kV
-
-
VE-254
Bulk
Through Hole
VE-200™ (200W)
-25°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
200V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
200 W
RFQ
VE-230-EY
Vicor Corporation
DC DC CONVERTER 5V 50W
Na zalogi3740 pcs
88%
1
-
10A
42V
5V
-
-
-
3 kV
-
-
VE-230
Bulk
Through Hole
VE-200™ (50W)
-10°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
60V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
50 W
RFQ
VE-JW2-EY
Vicor Corporation
DC DC CONVERTER 15V 50W
Na zalogi91 pcs
88%
1
-
3.33A
18V
15V
-
-
-
3 kV
-
-
VE-JW2
Bulk
Through Hole
VE-J00™ (50W)
-10°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
36V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
50 W
RFQ
VE-2N2-CX
Vicor Corporation
DC DC CONVERTER 15V 75W
Na zalogi4580 pcs
90%
1
-
5A
36V
15V
-
-
-
3 kV
-
-
VE-2N2
Bulk
Through Hole
VE-200™ (75W)
-25°C ~ 85°C
4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
76V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
75 W
RFQ
MW010A
ABB Power Electronics Inc.
DC DC CONVERTER 5V 10W
Na zalogi5230 pcs
80%
1
-
2A
36V
5V
-
-
-
500 V
-
-
-
Bulk
Through Hole
MW010 (10W)
-40°C ~ 85°C
2.00" L x 1.60" W x 0.50" H (50.8mm x 40.6mm x 12.7mm)
75V
Isolated Module
OCP, OVP
ITE (Commercial)
4-DIP Module
-
10 W
RFQ
PC3-5-3.3
TDK-Lambda Americas Inc
DC DC CONVERTER 3.3V 2.64W
Na zalogi4630 pcs
-
1
-
800mA
4.5V
3.3V
-
-
-
-
-
-
-
-
Through Hole
PC
-20°C ~ 70°C (With Derating)
1.09" L x 0.78" W x 0.33" H (27.8mm x 19.8mm x 8.5mm)
9V
Isolated Module
OCP
ITE (Commercial)
6-DIP Module
-
2.64 W
RFQ
PKV3110PI
Flex Power Modules
DC DC CONVERTER 3.3V 2W
Na zalogi3970 pcs
73%
1
-
500mA
9V
3.3V
-
-
-
1.5 kV
CB, CSA, IEC, TUV, UL
62368-1
-
Tray
Through Hole
PKV (3W)
-40°C ~ 95°C (With Derating)
1.25" L x 0.80" W x 0.42" H (31.8mm x 20.3mm x 10.7mm)
36V
Isolated Module
-
ITE (Commercial)
24-DIP Module, 10 Leads
-
2 W
RFQ
VE-JW3-MX
Vicor Corporation
DC DC CONVERTER 24V 75W
Na zalogi4710 pcs
90%
1
-
3.13A
18V
24V
-
-
-
3 kV
-
-
VE-JW3
Bulk
Through Hole
VE-J00™ (75W)
-55°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
36V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
75 W
RFQ
VE-JT4-MZ
Vicor Corporation
DC DC CONVERTER 48V 25W
Na zalogi5100 pcs
90%
1
-
521mA
66V
48V
-
-
-
3 kV
-
-
VE-JT4
Bulk
Through Hole
VE-J00™ (25W)
-55°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
160V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
VE-231-CX
Vicor Corporation
DC DC CONVERTER 12V 75W
Na zalogi4080 pcs
90%
1
-
6.25A
42V
12V
-
-
-
3 kV
-
-
VE-231
Bulk
Through Hole
VE-200™ (75W)
-25°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
60V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
75 W
RFQ
VE-244-IW
Vicor Corporation
DC DC CONVERTER 48V 100W
Na zalogi3820 pcs
90%
1
-
2.08A
55V
48V
-
-
-
3 kV
-
-
VE-244
Bulk
Through Hole
VE-200™ (100W)
-40°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
100V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
100 W
RFQ
VI-B50-05
Vicor Corporation
DC DC CONVERTER 150W
Na zalogi75 pcs
-
-
-
-
-
-
-
-
-
-
-
-
VI-B50
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
VE-J12-IY
Vicor Corporation
DC DC CONVERTER 15V 50W
Na zalogi4560 pcs
90%
1
-
3.33A
21V
15V
-
-
-
3 kV
-
-
VE-J12
Bulk
Through Hole
VE-J00™ (50W)
-40°C ~ 100°C
2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm)
32V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
50 W
RFQ
VE-JT4-IY
Vicor Corporation
DC DC CONVERTER 48V 50W
Na zalogi5030 pcs
90%
1
-
1.04A
66V
48V
-
-
-
3 kV
-
-
VE-JT4
Bulk
Through Hole
VE-J00™ (50W)
-40°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
160V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
50 W
RFQ
VI-223-06
Vicor Corporation
VI-223-06 36V/24V 150W
Na zalogi70 pcs
-
-
-
-
-
-
-
-
-
-
-
-
VI-223
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
EXB250-48S12J
Artesyn Embedded Power
DC DC CONVERTER 12V 165W
Na zalogi4440 pcs
92%
1
-
13.75A
33V
12V
-
-
-
1.5 kV
-
-
-
Tray
Through Hole
EXB250 (165W)
-40°C ~ 100°C
2.40' L x 2.28' W x 0.50' H (61.0mm x 57.9mm x 12.7mm)
75V
Isolated Module
Remote On/Off, OCP, OVP, SCP, UVLO
ITE (Commercial)
Half Brick
-
165 W
RFQ
X10-24S03
TDK-Lambda Americas Inc
DC DC CONVERTER 3.3V 8W
Na zalogi3710 pcs
78%
1
-
2.42A
18V
3.3V
-
-
-
1.5 kV
-
-
-
-
Through Hole
X10 (10W)
-40°C ~ 105°C (With Derating)
2.00" L x 1.00" W x 0.38" H (50.8mm x 25.4mm x 9.7mm)
36V
Isolated Module
Remote On/Off, OVP, SCP
ITE (Commercial)
6-DIP Module
-
8 W
RFQ
VI-BN3-EU
Vicor Corporation
DC DC CONVERTER 24V 200W
Na zalogi3640 pcs
88%
1
-
8.33A
36V
24V
-
-
-
3 kV
-
-
VI-BN3
Bulk
Through Hole
VI-200™ (200W)
-10°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
76V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
200 W
RFQ
VI-231-MU-BM
Vicor Corporation
VI-231-MU-BM 48V/12V 200W
Na zalogi4400 pcs
-
-
-
-
-
-
-
-
-
-
-
-
VI-231
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
VE-JW2-MY
Vicor Corporation
DC DC CONVERTER 15V 50W
Na zalogi48 pcs
90%
1
-
3.33A
18V
15V
-
-
-
3 kV
-
-
VE-JW2
Bulk
Through Hole
VE-J00™ (50W)
-55°C ~ 100°C
2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm)
36V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
50 W
RFQ
VE-2T4-MX
Vicor Corporation
DC DC CONVERTER 48V 75W
Na zalogi4590 pcs
90%
1
-
1.56A
66V
48V
-
-
-
3 kV
-
-
VE-2T4
Bulk
Through Hole
VE-200™ (75W)
-55°C ~ 85°C
4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
160V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
75 W
RFQ
VE-JNZ-MX
Vicor Corporation
DC DC CONVERTER 2V 30W
Na zalogi4230 pcs
90%
1
-
15A
36V
2V
-
-
-
3 kV
-
-
VE-JNZ
Bulk
Through Hole
VE-J00™ (75W)
-55°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
76V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
30 W
RFQ
VI-264-09
Vicor Corporation
VI-264-09 300V/32V 200W S
Na zalogi57 pcs
-
-
-
-
-
-
-
-
-
-
-
-
VI-264
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
AA25N-048L-033S
Artesyn Embedded Power
DC DC CONVERTER 3.3V 25W
Na zalogi3640 pcs
82%
1
-
6A
36V
3.3V
-
-
-
1.5 kV
-
-
-
Bulk
Through Hole
AA25N (25W)
-40°C ~ 100°C
2.00' L x 2.00' W x 0.52' H (50.8mm x 50.8mm x 13.2mm)
75V
Isolated Module
Remote On/Off, OTP, OVP, SCP, UVLO
ITE (Commercial)
8-DIP Module, 7 Leads
-
25 W
RFQ
VE-271-EW
Vicor Corporation
DC DC CONVERTER 12V 100W
Na zalogi4860 pcs
88%
1
-
8.33A
100V
12V
-
-
-
3 kV
-
-
VE-271
Bulk
Through Hole
VE-200™ (100W)
-10°C ~ 85°C
4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
375V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
100 W
RFQ
VE-JT2-EY
Vicor Corporation
DC DC CONVERTER 15V 50W
Na zalogi5370 pcs
88%
1
-
3.33A
66V
15V
-
-
-
3 kV
-
-
VE-JT2
Bulk
Through Hole
VE-J00™ (50W)
-10°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
160V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
50 W
RFQ
VE-J6L-MX
Vicor Corporation
DC DC CONVERTER 28V 75W
Na zalogi5270 pcs
90%
1
-
2.68A
200V
28V
-
-
-
3 kV
-
-
VE-J6L
Bulk
Through Hole
VE-J00™ (75W)
-55°C ~ 100°C
2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm)
400V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
75 W
RFQ
X15-24S12/NT
TDK-Lambda Americas Inc
DC DC CONVERTER 12V 15W
Na zalogi4860 pcs
76%
1
-
1.25A
18V
12V
-
-
-
1.5 kV
-
-
-
-
Through Hole
X15 (15W)
-40°C ~ 105°C (With Derating)
2.00" L x 1.00" W x 0.38" H (50.8mm x 25.4mm x 9.7mm)
36V
Isolated Module
Remote On/Off, OVP, SCP
ITE (Commercial)
6-DIP Module
-
15 W
RFQ
VE-J74-CX
Vicor Corporation
DC DC CONVERTER 48V 75W
Na zalogi141 pcs
90%
1
-
1.56A
100V
48V
-
-
-
3 kV
-
-
VE-J74
Bulk
Through Hole
VE-J00™ (75W)
-25°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
375V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
75 W
RFQ
MI-J51-IY
Vicor Corporation
DC DC CONVERTER 12V 50W
Na zalogi5130 pcs
90%
1
-
4.16A
100V
12V
-
-
-
3 kV
-
-
MI-J51
Bulk
Through Hole
MI-J00™ (50W)
-40°C ~ 85°C
2.40" L x 2.28" W x 0.50" H (61.0mm x 57.9mm x 12.7mm)
210V
Isolated Module
Remote On/Off, OCP, OTP, OVP
ITE (Commercial)
9-DIP Module
-
50 W
RFQ
VE-J10-EW
Vicor Corporation
DC DC CONVERTER 5V 100W
Na zalogi3820 pcs
88%
1
-
20A
21V
5V
-
-
-
3 kV
-
-
VE-J10
Bulk
Through Hole
VE-J00™ (100W)
-10°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
32V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
100 W
RFQ
VI-BWL-EV
Vicor Corporation
DC DC CONVERTER 28V 150W
Na zalogi5150 pcs
88%
1
-
5.36A
18V
28V
-
-
-
3 kV
-
-
VI-BWL
Bulk
Through Hole
VI-200™ (150W)
-10°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
36V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
150 W
RFQ
VE-J03-CZ
Vicor Corporation
DC DC CONVERTER 24V 25W
Na zalogi4660 pcs
90%
1
-
1.04A
10V
24V
-
-
-
3 kV
-
-
VE-J03
Bulk
Through Hole
VE-J00™ (25W)
-25°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
20V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
VI-B02-CX
Vicor Corporation
DC DC CONVERTER 15V 75W
Na zalogi4260 pcs
90%
1
-
5A
10V
15V
-
-
-
3 kV
-
-
VI-B02
Bulk
Through Hole
VI-200™ (75W)
-25°C ~ 85°C
4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
20V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
75 W
RFQ
MC005C
ABB Power Electronics Inc.
DC DC CONVERTER 15V 5W
Na zalogi3600 pcs
81%
1
-
330mA
18V
15V
-
-
-
500 V
-
-
-
Bulk
Through Hole
MC005 (5W)
-40°C ~ 85°C
2.00' L x 1.10' W x 0.46' H (50.8mm x 27.9mm x 11.7mm)
36V
Isolated Module
OCP, OVP, SCP
ITE (Commercial)
4-DIP Module
-
5 W
RFQ
VE-J0J-EZ
Vicor Corporation
DC DC CONVERTER 36V 25W
Na zalogi126 pcs
88%
1
-
694mA
10V
36V
-
-
-
3 kV
-
-
VE-J0J
Bulk
Through Hole
VE-J00™ (25W)
-10°C ~ 100°C
2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm)
20V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
VE-271-CX
Vicor Corporation
DC DC CONVERTER 12V 75W
Na zalogi3900 pcs
90%
1
-
6.25A
100V
12V
-
-
-
3 kV
-
-
VE-271
Bulk
Through Hole
VE-200™ (75W)
-25°C ~ 85°C
4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
375V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
75 W
RFQ
VE-243-MX
Vicor Corporation
DC DC CONVERTER 24V 75W
Na zalogi5020 pcs
90%
1
-
3.13A
55V
24V
-
-
-
3 kV
-
-
VE-243
Bulk
Through Hole
VE-200™ (75W)
-55°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
100V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
75 W
RFQ
VE-250-CW
Vicor Corporation
DC DC CONVERTER 5V 100W
Na zalogi145 pcs
90%
1
-
20A
100V
5V
-
-
-
3 kV
-
-
VE-250
Bulk
Through Hole
VE-200™ (100W)
-25°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
200V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
100 W
RFQ
VI-2WL-02
Vicor Corporation
VI-2WL-02 24V/28V 150W
Na zalogi60 pcs
-
-
-
-
-
-
-
-
-
-
-
-
VI-2WL
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
LW020F1
ABB Power Electronics Inc.
DC DC CONVERTER 3.3V 20W
Na zalogi4170 pcs
77%
1
Enable, Active Low
4A
36V
3.3V
-
-
-
1.5 kV
-
-
-
Bulk
Through Hole
LW020 (20W)
-40°C ~ 110°C
2.00' L x 2.00' W x 0.39' H (50.8mm x 50.8mm x 9.9mm)
75V
Isolated Module
Remote On/Off, OCP, OVP
ITE (Commercial)
8-DIP Module
-
20 W
RFQ
LTM4668EY#PBF
Analog Devices Inc.
DC DC CNVRTR 4X0.6-1.8V
Na zalogi3430 pcs
-
4
-
1.2A, 1.2A, 1.2A, 1.2A
2.7V
0.6 ~ 1.8V
0.6 ~ 1.8V
0.6 ~ 1.8V
0.6 ~ 1.8V
-
-
-
LTM4668
Tray
Surface Mount
µModule®
-40°C ~ 125°C
0.25" L x 0.25" W x 0.09" H (6.3mm x 6.3mm x 2.3mm)
17V
Non-Isolated PoL Module
-
ITE (Commercial)
49-FBGA Module
49-BGA (6.25x6.25)
-
RFQ
VI-B63-MW
Vicor Corporation
DC DC CONVERTER 24V 100W
Na zalogi3650 pcs
90%
1
-
4.17A
200V
24V
-
-
-
3 kV
-
-
VI-B63
Bulk
Through Hole
VI-200™ (100W)
-55°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
400V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
100 W
RFQ
VE-JT0-CX
Vicor Corporation
DC DC CONVERTER 5V 75W
Na zalogi110 pcs
90%
1
-
15A
66V
5V
-
-
-
3 kV
-
-
VE-JT0
Bulk
Through Hole
VE-J00™ (75W)
-25°C ~ 100°C
2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm)
160V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
75 W
RFQ
VE-2W3-CY
Vicor Corporation
DC DC CONVERTER 24V 50W
Na zalogi133 pcs
90%
1
-
2.08A
18V
24V
-
-
-
3 kV
-
-
VE-2W3
Bulk
Through Hole
VE-200™ (50W)
-25°C ~ 85°C
4.60' L x 2.40' W x 0.50' H (116.8mm x 61.0mm x 12.7mm)
36V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
50 W
RFQ
MI-220-IY
Vicor Corporation
DC DC CONVERTER 5V 50W
Na zalogi61 pcs
90%
1
-
10A
18V
5V
-
-
-
3 kV
-
-
MI-220
Bulk
Through Hole
MI-200™ (50W)
-40°C ~ 85°C
4.20' L x 2.40' W x 0.50' H (106.7mm x 61.0mm x 12.7mm)
50V
Isolated Module
Remote On/Off, OCP, OTP, OVP
ITE (Commercial)
Full Brick
-
50 W
RFQ
IB1212LS-1WR3
Mornsun America, LLC
DC-DC ISOLATED 1 W 11.4~12.6V
Na zalogi24899 pcs
73%
1
-
83mA
11.4V
12V
-
-
-
1.5 kV
CE, cURus, UL
62368-1
-
Tube
Through Hole
IB_LS-1WR3
-40°C ~ 85°C (With Derating)
0.77" L x 0.24" W x 0.40" H (19.7mm x 6.0mm x 10.2mm)
12.6V
Isolated Module
-
ITE (Commercial)
7-SIP Module, 4 Leads
-
996 mW
RFQ