AA25N-048L-050T120
Artesyn Embedded Power
DC DC CONVERTER 5V +/-12V 25W
Na zalogi4230 pcs
82%
3
-
2.5A, 520mA, 520mA
36V
5V
12V
-12V
-
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-J22-MX
Vicor Corporation
DC DC CONVERTER 15V 75W
Na zalogi3980 pcs
90%
1
-
5A
21V
15V
-
-
-
3 kV
-
-
VE-J22
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)
56V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
75 W
RFQ
CDS6002428-M
Cosel USA, Inc.
DC DC CONVERTER 28V 616W
Na zalogi123 pcs
86%
1
-
22A
18V
28V
-
-
-
500 V
-
-
CDS6002428
Box
Through Hole
CDS (600W)
-20°C ~ 85°C (With Derating)
4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
36V
Isolated Module
-
ITE (Commercial)
23-DIP Module
-
616 W
RFQ
VE-J24-IY
Vicor Corporation
DC DC CONVERTER 48V 50W
Na zalogi4990 pcs
90%
1
-
1.04A
21V
48V
-
-
-
3 kV
-
-
VE-J24
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)
56V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
50 W
RFQ
VI-B01-IY
Vicor Corporation
DC DC CONVERTER 12V 50W
Na zalogi3850 pcs
90%
1
-
4.17A
10V
12V
-
-
-
3 kV
-
-
VI-B01
Bulk
Through Hole
VI-200™ (50W)
-40°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
-
50 W
RFQ
VE-J32-MZ
Vicor Corporation
DC DC CONVERTER 15V 25W
Na zalogi4370 pcs
90%
1
-
1.67A
42V
15V
-
-
-
3 kV
-
-
VE-J32
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)
60V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
UWR-31044
Murata Power Solutions Inc.
DC DC CONVERTER
Na zalogi5190 pcs
-
-
-
-
-
-
-
-
-
-
-
-
UWR-310
Bulk
-
-
-
-
-
-
-
-
-
-
-
RFQ
PKM2510EPI
Flex Power Modules
DC DC CONVERTER 3.3V 50W
Na zalogi5150 pcs
89%
1
Enable, Active Low
15A
18V
3.3V
-
-
-
1.5 kV
CB, CSA, IEC, TUV, UL
62368-1
-
Tray
Through Hole
PKM 2000E (50W)
-40°C ~ 110°C (With Derating)
2.28" L x 1.45" W x 0.33" H (57.9mm x 36.8mm x 8.5mm)
36V
Isolated Module
Adjustable Output, Remote On/Off, Remote Sense
ITE (Commercial)
Quarter Brick
Quarter Brick
50 W
RFQ
VI-B62-IW
Vicor Corporation
DC DC CONVERTER 15V 100W
Na zalogi3660 pcs
90%
1
-
6.67A
200V
15V
-
-
-
3 kV
-
-
VI-B62
Bulk
Through Hole
VI-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)
400V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
100 W
RFQ
PP10-24-5
TDK-Lambda Americas Inc
DC DC CONVERTER 5V 10W
Na zalogi4440 pcs
-
1
-
2A
18V
5V
-
-
-
-
-
-
-
-
Through Hole
PP (10W)
-20°C ~ 71°C (With Derating)
1.85" L x 1.65" W x 0.31" H (47.0mm x 42.0mm x 8.0mm)
36V
Isolated Module
Remote On/Off, OVP, SCP
ITE (Commercial)
4-DIP Module
-
10 W
RFQ
VE-JW3-CZ
Vicor Corporation
DC DC CONVERTER 24V 25W
Na zalogi4480 pcs
90%
1
-
1.04A
18V
24V
-
-
-
3 kV
-
-
VE-JW3
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)
36V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
PMJ5918TSR
Flex Power Modules
DC DC CONVERTER 0.8-3.6V 108W
Na zalogi1330 pcs
95.5%
1
Enable, Active Low
30A
4.5V
0.8 ~ 3.6V
-
-
-
-
CB, CSA, IEC, TUV, UL
62368-1
PMJ591
Tray
Surface Mount
PMJ 5000 (108W)
-40°C ~ 85°C (With Derating)
1.37" L x 1.12" W x 0.35" H (34.8mm x 28.5mm x 9.0mm)
5.5V
Non-Isolated PoL Module
Adjustable Output, Remote On/Off, Remote Sense
ITE (Commercial)
13-SMD Module
-
108 W
RFQ
VI-BW0-EW
Vicor Corporation
DC DC CONVERTER 5V 100W
Na zalogi4690 pcs
88%
1
-
20A
18V
5V
-
-
-
3 kV
-
-
VI-BW0
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)
36V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
100 W
RFQ
MI-J7Y-MY
Vicor Corporation
DC DC CONVERTER 3.3V 50W
Na zalogi43 pcs
90%
1
-
10A
100V
3.3V
-
-
-
3 kV
-
-
MI-J7Y
Bulk
Through Hole
MI-J00™ (50W)
-55°C ~ 85°C
2.40' L x 2.28' W x 0.50' H (61.0mm x 57.9mm x 12.7mm)
310V
Isolated Module
Remote On/Off, OCP, OTP, OVP
ITE (Commercial)
9-DIP Module
-
50 W
RFQ
VE-J52-CZ
Vicor Corporation
DC DC CONVERTER 15V 25W
Na zalogi114 pcs
90%
1
-
1.67A
100V
15V
-
-
-
3 kV
-
-
VE-J52
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)
200V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
CCM-2405SF
TDK-Lambda Americas Inc
DC DC CONVERTER 5V 3W
Na zalogi3960 pcs
75%
1
-
600mA
18V
5V
-
-
-
500 V
-
-
-
Bulk
Through Hole
CCM (3W)
-20°C ~ 70°C (With Derating)
1.12" L x 0.81" W x 0.33" H (28.4mm x 20.6mm x 8.4mm)
36V
Isolated Module
OCP
ITE (Commercial)
6-DIP Module
-
3 W
RFQ
VI-J10-CZ-02
Vicor Corporation
VI-J10-CZ-02 24V/5V 25W
Na zalogi139 pcs
-
-
-
-
-
-
-
-
-
-
-
-
VI-J10
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
VE-254-MY
Vicor Corporation
DC DC CONVERTER 48V 50W
Na zalogi3910 pcs
90%
1
-
1.04A
100V
48V
-
-
-
3 kV
-
-
VE-254
Bulk
Through Hole
VE-200™ (50W)
-55°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
-
50 W
RFQ
VE-J62-MZ
Vicor Corporation
DC DC CONVERTER 15V 25W
Na zalogi3890 pcs
90%
1
-
1.67A
200V
15V
-
-
-
3 kV
-
-
VE-J62
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)
400V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
VE-J24-IZ
Vicor Corporation
DC DC CONVERTER 48V 25W
Na zalogi5340 pcs
90%
1
-
521mA
21V
48V
-
-
-
3 kV
-
-
VE-J24
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)
56V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
PP6-12-15
TDK-Lambda Americas Inc
DC DC CONVERTER 15V 6W
Na zalogi4940 pcs
-
1
-
400mA
9V
15V
-
-
-
-
-
-
-
-
Through Hole
PP (6W)
-20°C ~ 71°C (With Derating)
1.85" L x 1.65" W x 0.31" H (47.0mm x 42.0mm x 8.0mm)
18V
Isolated Module
Remote On/Off, OVP
ITE (Commercial)
4-DIP Module
-
6 W
RFQ
VE-223-IX
Vicor Corporation
DC DC CONVERTER 24V 75W
Na zalogi3980 pcs
90%
1
-
3.13A
21V
24V
-
-
-
3 kV
-
-
VE-223
Bulk
Through Hole
VE-200™ (75W)
-40°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
-
75 W
RFQ
VE-JN2-CY
Vicor Corporation
DC DC CONVERTER 15V 50W
Na zalogi4330 pcs
90%
1
-
3.33A
36V
15V
-
-
-
3 kV
-
-
VE-JN2
Bulk
Through Hole
VE-J00™ (50W)
-25°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
-
50 W
RFQ
VI-B6W-EU
Vicor Corporation
DC DC CONVERTER 5.5V 200W
Na zalogi4690 pcs
88%
1
-
36.36A
200V
5.5V
-
-
-
3 kV
-
-
VI-B6W
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)
400V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
200 W
RFQ
VI-B6W-CU
Vicor Corporation
DC DC CONVERTER 5.5V 200W
Na zalogi4190 pcs
90%
1
-
36.36A
200V
5.5V
-
-
-
3 kV
-
-
VI-B6W
Bulk
Through Hole
VI-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)
400V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
200 W
RFQ
AXH010A0Y-SRZ
ABB Power Electronics Inc.
DC DC CONVERTER 1.8V 18W
Na zalogi4870 pcs
90%
1
Enable, Active Low
10A
3V
1.8V
-
-
-
-
-
-
-
Tape & Reel (TR)
Through Hole
Austin Lynx™
-40°C ~ 85°C
2.00" L x 0.32" W x 0.50" H (50.8mm x 8.1mm x 12.7mm)
5.5V
Non-Isolated PoL Module
Remote On/Off, OCP, OTP
ITE (Commercial)
11-SIP Module
-
18 W
RFQ
PTH03050WAST
Artesyn Embedded Power
DC DC CONVERTER 0.8-2.5V 15W
Na zalogi3660 pcs
94%
1
-
6A
2.95V
0.8 ~ 2.5V
-
-
-
-
-
-
-
Tape & Reel (TR)
Surface Mount
PTH03050 (15W)
-40°C ~ 85°C
0.87' L x 0.50' W x 0.34' H (22.1mm x 12.7mm x 8.5mm)
3.65V
Non-Isolated PoL Module
Remote On/Off, SCP, UVLO
ITE (Commercial)
6-SMD Module
-
15 W
RFQ
VE-203-CX
Vicor Corporation
DC DC CONVERTER 24V 75W
Na zalogi141 pcs
90%
1
-
3.13A
10V
24V
-
-
-
3 kV
-
-
VE-203
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)
20V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
75 W
RFQ
VE-JN1-CZ
Vicor Corporation
DC DC CONVERTER 12V 25W
Na zalogi114 pcs
90%
1
-
2.08A
36V
12V
-
-
-
3 kV
-
-
VE-JN1
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)
76V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
25 W
RFQ
DNL04S0A0S16NFA
Delta Electronics
DC DC CONVERTER
Na zalogi4150 pcs
-
-
-
-
-
-
-
-
-
-
-
-
-
Bulk
-
-
-
-
-
-
-
-
-
-
-
RFQ
CCM-2412DF
TDK-Lambda Americas Inc
DC DC CONVERTER +/-12V 3W
Na zalogi5280 pcs
78%
2
-
125mA, 125mA
18V
12V
-12V
-
-
500 V
-
-
-
Bulk
Through Hole
CCM (3W)
-20°C ~ 70°C (With Derating)
1.12" L x 0.81" W x 0.33" H (28.4mm x 20.6mm x 8.4mm)
36V
Isolated Module
OCP
ITE (Commercial)
6-DIP Module
-
3 W
RFQ
AEE02A12-49
Artesyn Embedded Power
DC DC CONVERTER 5V 10W
Na zalogi4430 pcs
81%
1
-
2A
9V
5V
-
-
-
500 V
-
-
-
Bulk
Through Hole
AEE02 (10W)
-25°C ~ 100°C
2.00" L x 1.00" W x 0.40" H (50.8mm x 25.4mm x 10.2mm)
18V
Isolated Module
-
ITE (Commercial)
6-DIP Module
-
10 W
RFQ
VE-261-CX
Vicor Corporation
DC DC CONVERTER 12V 75W
Na zalogi81 pcs
90%
1
-
6.25A
200V
12V
-
-
-
3 kV
-
-
VE-261
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)
400V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
75 W
RFQ
VI-B60-03
Vicor Corporation
DC DC CONVERTER 5V 200W
Na zalogi4280 pcs
-
-
-
-
-
-
-
-
-
-
-
-
VI-B60
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
VE-26Z-EX
Vicor Corporation
DC DC CONVERTER 2V 30W
Na zalogi4750 pcs
88%
1
-
30A
200V
2V
-
-
-
3 kV
-
-
VE-26Z
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)
400V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
30 W
RFQ
VE-240-IX
Vicor Corporation
DC DC CONVERTER 5V 75W
Na zalogi4490 pcs
90%
1
-
15A
55V
5V
-
-
-
3 kV
-
-
VE-240
Bulk
Through Hole
VE-200™ (75W)
-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
-
75 W
RFQ
PM20-48D12
TDK-Lambda Americas Inc
DC DC CONVERTER +/-12V 20W
Na zalogi4870 pcs
-
2
-
830mA, 830mA
36V
12V
-12V
-
-
1.5 kV
-
-
-
-
Through Hole
PM
-40°C ~ 60°C
2.00" L x 1.60" W x 0.33" H (50.8mm x 40.6mm x 8.5mm)
75V
Isolated Module
OVP, SCP
ITE (Commercial)
8-DIP Module, 7 Leads
-
20 W
RFQ
S48SR05003ERFF
Delta Electronics
DC DC CONVERTER
Na zalogi5230 pcs
-
-
-
-
-
-
-
-
-
-
-
-
-
Bulk
-
-
-
-
-
-
-
-
-
-
-
RFQ
VI-B5L-EU
Vicor Corporation
DC DC CONVERTER 28V 200W
Na zalogi143 pcs
88%
1
-
7.14A
100V
28V
-
-
-
3 kV
-
-
VI-B5L
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)
200V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
200 W
RFQ
PM30-12D15
TDK-Lambda Americas Inc
DC DC CONVERTER +/-15V 30W
Na zalogi5410 pcs
-
2
-
1A, 1A
9V
15V
-15V
-
-
700 V
-
-
-
-
Through Hole
PM
-40°C ~ 50°C
3.00" L x 2.50" W x 0.33" H (76.2mm x 63.5mm x 8.4mm)
18V
Isolated Module
OVP, SCP
ITE (Commercial)
9-DIP Module, 8 Leads
-
30 W
RFQ
VE-J54-IX
Vicor Corporation
DC DC CONVERTER 48V 75W
Na zalogi4880 pcs
90%
1
-
1.56A
100V
48V
-
-
-
3 kV
-
-
VE-J54
Bulk
Through Hole
VE-J00™ (75W)
-40°C ~ 100°C
2.28' L x 2.40' W x 0.50' H (57.9mm x 70.0mm x 12.7mm)
200V
Isolated Module
OCP, SCP
ITE (Commercial)
Half Brick
-
75 W
RFQ
VE-211-EU
Vicor Corporation
DC DC CONVERTER 12V 200W
Na zalogi4960 pcs
88%
1
-
16.67A
21V
12V
-
-
-
3 kV
-
-
VE-211
Bulk
Through Hole
VE-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)
32V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
200 W
RFQ
MI-25L-IX
Vicor Corporation
DC DC CONVERTER 28V 75W
Na zalogi59 pcs
90%
1
-
2.68A
100V
28V
-
-
-
3 kV
-
-
MI-25L
Bulk
Through Hole
MI-200™ (75W)
-40°C ~ 85°C
4.20' L x 2.40' W x 0.50' H (106.7mm x 61.0mm x 12.7mm)
210V
Isolated Module
Remote On/Off, OCP, OTP, OVP
ITE (Commercial)
Full Brick
-
75 W
RFQ
VE-J14-IY
Vicor Corporation
DC DC CONVERTER 48V 50W
Na zalogi3930 pcs
90%
1
-
1.04A
21V
48V
-
-
-
3 kV
-
-
VE-J14
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
VI-B6F-CU
Vicor Corporation
DC DC CONVERTER 72V 200W
Na zalogi114 pcs
90%
1
-
2.78A
200V
72V
-
-
-
3 kV
-
-
VI-B6F
Bulk
Through Hole
VI-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)
400V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
200 W
RFQ
VE-243-MW
Vicor Corporation
DC DC CONVERTER 24V 100W
Na zalogi4910 pcs
90%
1
-
4.17A
55V
24V
-
-
-
3 kV
-
-
VE-243
Bulk
Through Hole
VE-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)
100V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
100 W
RFQ
VE-272-CY
Vicor Corporation
DC DC CONVERTER 15V 50W
Na zalogi4700 pcs
90%
1
-
3.33A
100V
15V
-
-
-
3 kV
-
-
VE-272
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)
375V
Isolated Module
OCP, OTP, OVP, SCP
ITE (Commercial)
Full Brick
-
50 W
RFQ
X15-24S1.8/PT
TDK-Lambda Americas Inc
DC DC CONVERTER 1.8V 5.4W
Na zalogi5360 pcs
67%
1
-
3A
18V
1.8V
-
-
-
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
-
5.4 W
RFQ
VI-J6Z-CZ
Vicor Corporation
DC DC CONVERTER
Na zalogi5210 pcs
-
-
-
-
-
-
-
-
-
-
-
-
VI-J6Z
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
IPM04S0A0R10FA
Delta Electronics
DC DC CONVERTER 0.8-3.3V 33W
Na zalogi5220 pcs
94%
1
Enable, Active High
10A
3V
0.8 ~ 3.3V
-
-
-
-
-
-
-
Tube
Through Hole
Delphi IPM
-40°C ~ 116°C
0.70' L x 0.31' W x 0.65' H (17.8mm x 7.9mm x 16.5mm)
5.5V
Non-Isolated PoL Module
Remote On/Off, OCP, UVLO
ITE (Commercial)
5-SIP Module
-
33 W
RFQ