|
|
Signal Conditioning 4.8-5.9GHz 50/100 Ohm IL=.6dB
- BD4859N50100AHF
- TTM Technologies
-
1:
£0.811
-
119,138In Stock
|
Mouser Part No
620-BD4859N50100AHF
|
TTM Technologies
|
Signal Conditioning 4.8-5.9GHz 50/100 Ohm IL=.6dB
|
|
119,138In Stock
|
|
|
£0.811
|
|
|
£0.547
|
|
|
£0.473
|
|
|
£0.388
|
|
|
£0.26
|
|
|
View
|
|
|
£0.346
|
|
|
£0.32
|
|
|
£0.302
|
|
|
£0.238
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Baluns
|
4.8 GHz to 5.9 GHz
|
100 Ohms
|
SMD/SMT
|
0404 (1010 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning .7-1.0GHz IL=.3dB Mean Coupling 10.9dB
- DC0710J5010AHF
- TTM Technologies
-
1:
£1.12
-
19,421In Stock
|
Mouser Part No
620-DC0710J5010AHF
|
TTM Technologies
|
Signal Conditioning .7-1.0GHz IL=.3dB Mean Coupling 10.9dB
|
|
19,421In Stock
|
|
|
£1.12
|
|
|
£0.96
|
|
|
£0.908
|
|
|
£0.834
|
|
|
View
|
|
|
£0.526
|
|
|
£0.788
|
|
|
£0.759
|
|
|
£0.526
|
|
|
£0.526
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Couplers
|
700 MHz to 1 GHz
|
50 Ohms
|
SMD/SMT
|
0805 (2012 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 950-2150MHz 50 Ohm IL=.7dB
- PD0922J5050S2HF
- TTM Technologies
-
1:
£0.601
-
Lead-Time 12 Weeks
|
Mouser Part No
620-PD0922J5050S2HF
|
TTM Technologies
|
Signal Conditioning 950-2150MHz 50 Ohm IL=.7dB
|
|
Lead-Time 12 Weeks
|
|
|
£0.601
|
|
|
£0.519
|
|
|
£0.49
|
|
|
£0.448
|
|
|
£0.34
|
|
|
View
|
|
|
£0.423
|
|
|
£0.406
|
|
|
£0.341
|
|
|
£0.336
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Power Dividers
|
950 MHz to 2.15 GHz
|
50 Ohms
|
SMD/SMT
|
0805 (2012 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 1400-2000MHz IL:.08dB VSWR:1.12
- XC1900A-03S
- TTM Technologies
-
1:
£4.21
-
5,866In Stock
|
Mouser Part No
620-XC1900A-03S
|
TTM Technologies
|
Signal Conditioning 1400-2000MHz IL:.08dB VSWR:1.12
|
|
5,866In Stock
|
|
|
£4.21
|
|
|
£3.64
|
|
|
£3.45
|
|
|
£3.18
|
|
|
£2.59
|
|
|
View
|
|
|
£3.02
|
|
|
£2.90
|
|
|
£2.85
|
|
|
£2.58
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
Signal Conditioning
|
Couplers
|
1.4 GHz to 2 GHz
|
50 Ohms
|
SMD/SMT
|
14.22 mm x 8.89 mm
|
- 55 C
|
+ 95 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 190-400MHz IL .3dB 100 W -55C +85C
TTM Technologies 11302-20
- 11302-20
- TTM Technologies
-
1:
£16.79
-
1,786In Stock
|
Mouser Part No
620-11302-20
|
TTM Technologies
|
Signal Conditioning 190-400MHz IL .3dB 100 W -55C +85C
|
|
1,786In Stock
|
|
|
£16.79
|
|
|
£14.64
|
|
|
£13.68
|
|
|
£13.66
|
|
|
View
|
|
|
£10.60
|
|
|
£12.55
|
|
|
£12.06
|
|
|
£12.02
|
|
|
£10.60
|
|
Min.: 1
Mult.: 1
:
1,000
|
|
|
Signal Conditioning
|
Couplers
|
190 MHz to 400 MHz
|
|
SMD/SMT
|
|
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 410-860MHz IL .2dB 275W 90 Deg Hybrid
TTM Technologies X3C06A4-03S
- X3C06A4-03S
- TTM Technologies
-
1:
£11.26
-
1,886In Stock
|
Mouser Part No
620-X3C06A4-03S
|
TTM Technologies
|
Signal Conditioning 410-860MHz IL .2dB 275W 90 Deg Hybrid
|
|
1,886In Stock
|
|
|
£11.26
|
|
|
£9.80
|
|
|
£9.30
|
|
|
£9.07
|
|
|
View
|
|
|
£6.82
|
|
|
£8.60
|
|
|
£8.18
|
|
|
£7.88
|
|
|
£7.67
|
|
|
£6.82
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
Signal Conditioning
|
Couplers
|
410 MHz to 860 MHz
|
50 Ohms
|
SMD/SMT
|
|
- 55 C
|
+ 95 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 700-1000MHZ IL .05dB 25W Coupling 20dB
TTM Technologies X3C09F1-20S
- X3C09F1-20S
- TTM Technologies
-
1:
£3.40
-
7,575In Stock
|
Mouser Part No
620-X3C09F1-20S
|
TTM Technologies
|
Signal Conditioning 700-1000MHZ IL .05dB 25W Coupling 20dB
|
|
7,575In Stock
|
|
|
£3.40
|
|
|
£2.95
|
|
|
£2.78
|
|
|
£2.57
|
|
|
View
|
|
|
£1.82
|
|
|
£2.44
|
|
|
£2.34
|
|
|
£2.25
|
|
|
£1.82
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Couplers
|
700 MHz to 1 GHz
|
50 Ohms
|
SMD/SMT
|
|
- 55 C
|
+ 140 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 690-2700MHz IL .45dB 50W 90 Deg Hybrid
TTM Technologies X3C17A1-03WS
- X3C17A1-03WS
- TTM Technologies
-
1:
£8.35
-
2,971In Stock
-
2,000Expected 01/10/2026
|
Mouser Part No
620-X3C17A1-03WS
|
TTM Technologies
|
Signal Conditioning 690-2700MHz IL .45dB 50W 90 Deg Hybrid
|
|
2,971In Stock
2,000Expected 01/10/2026
|
|
|
£8.35
|
|
|
£7.25
|
|
|
£6.87
|
|
|
£6.39
|
|
|
View
|
|
|
£4.91
|
|
|
£6.32
|
|
|
£6.01
|
|
|
£5.80
|
|
|
£5.39
|
|
|
£4.91
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
Signal Conditioning
|
Couplers
|
690 MHz to 2.7 GHz
|
50 Ohms
|
SMD/SMT
|
|
- 55 C
|
+ 95 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning
TTM Technologies X3C20F1-02S
- X3C20F1-02S
- TTM Technologies
-
1:
£3.88
-
4,654In Stock
|
Mouser Part No
620-X3C20F1-02S
|
TTM Technologies
|
Signal Conditioning
|
|
4,654In Stock
|
|
|
£3.88
|
|
|
£3.36
|
|
|
£3.18
|
|
|
£2.92
|
|
|
View
|
|
|
£2.10
|
|
|
£2.78
|
|
|
£2.67
|
|
|
£2.55
|
|
|
£2.10
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Couplers
|
1.8 GHz to 2.2 GHz
|
50 Ohms
|
SMD/SMT
|
|
- 55 C
|
+ 140 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 380-520MHz IL:.35dB VSWR:1.28 -55 to 85C
- 11303-3
- TTM Technologies
-
1:
£7.68
-
2,012In Stock
|
Mouser Part No
620-11303-3
|
TTM Technologies
|
Signal Conditioning 380-520MHz IL:.35dB VSWR:1.28 -55 to 85C
|
|
2,012In Stock
|
|
|
£7.68
|
|
|
£6.68
|
|
|
£6.32
|
|
|
£5.84
|
|
|
View
|
|
|
£4.37
|
|
|
£5.55
|
|
|
£5.34
|
|
|
£4.37
|
|
Min.: 1
Mult.: 1
:
1,000
|
|
|
Signal Conditioning
|
Couplers
|
380 MHz to 520 MHz
|
|
SMD/SMT
|
16.51 mm x 12.19 mm
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 1.0-2.0GHz IL:.45dB VSWR:1.3 -55 to 85C
- 11305-3S
- TTM Technologies
-
1:
£4.46
-
3,590In Stock
|
Mouser Part No
620-11305-3S
|
TTM Technologies
|
Signal Conditioning 1.0-2.0GHz IL:.45dB VSWR:1.3 -55 to 85C
|
|
3,590In Stock
|
|
|
£4.46
|
|
|
£3.87
|
|
|
£3.66
|
|
|
£3.37
|
|
|
View
|
|
|
£2.45
|
|
|
£3.20
|
|
|
£3.08
|
|
|
£2.97
|
|
|
£2.45
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
Signal Conditioning
|
Couplers
|
1 GHz to 2 GHz
|
|
SMD/SMT
|
14.22 mm x 8.89 mm
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 2.0-4.0GHz IL:.35dB VSWR:1.3 -55 to 85C
- 11306-3S
- TTM Technologies
-
1:
£4.46
-
1,538In Stock
|
Mouser Part No
620-11306-3S
|
TTM Technologies
|
Signal Conditioning 2.0-4.0GHz IL:.35dB VSWR:1.3 -55 to 85C
|
|
1,538In Stock
|
|
|
£4.46
|
|
|
£3.87
|
|
|
£3.66
|
|
|
£3.37
|
|
|
View
|
|
|
£2.45
|
|
|
£3.20
|
|
|
£3.08
|
|
|
£2.97
|
|
|
£2.45
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
Signal Conditioning
|
Couplers
|
2 GHz to 4 GHz
|
|
SMD/SMT
|
14.22 mm x 8.89 mm
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 400-3000MHz 50/100 Ohm IL=4.0dB
- B0430J50100AHF
- TTM Technologies
-
1:
£0.743
-
16,745In Stock
-
32,000Expected 20/10/2026
|
Mouser Part No
620-B0430J50100AHF
|
TTM Technologies
|
Signal Conditioning 400-3000MHz 50/100 Ohm IL=4.0dB
|
|
16,745In Stock
32,000Expected 20/10/2026
|
|
|
£0.743
|
|
|
£0.674
|
|
|
£0.629
|
|
|
£0.61
|
|
|
£0.397
|
|
|
View
|
|
|
£0.587
|
|
|
£0.568
|
|
|
£0.398
|
|
|
£0.387
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Baluns
|
400 MHz to 3 GHz
|
100 Ohms
|
SMD/SMT
|
0805 (2012 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 200-500MHz 50 Ohm IL +1.1dB
- BD0205F5050AHF
- TTM Technologies
-
1:
£3.88
-
3,361In Stock
|
Mouser Part No
620-BD0205F5050AHF
|
TTM Technologies
|
Signal Conditioning 200-500MHz 50 Ohm IL +1.1dB
|
|
3,361In Stock
|
|
|
£3.88
|
|
|
£3.35
|
|
|
£3.18
|
|
|
£2.92
|
|
|
View
|
|
|
£2.05
|
|
|
£2.78
|
|
|
£2.67
|
|
|
£2.50
|
|
|
£2.05
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Baluns
|
200 MHz to 500 MHz
|
50 Ohms
|
SMD/SMT
|
1608 (4121 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 800-1000MHz 50/100 Ohm IL=.95dB
- BD0810J50100AHF
- TTM Technologies
-
1:
£0.608
-
25,824In Stock
|
Mouser Part No
620-BD0810J50100AHF
|
TTM Technologies
|
Signal Conditioning 800-1000MHz 50/100 Ohm IL=.95dB
|
|
25,824In Stock
|
|
|
£0.608
|
|
|
£0.549
|
|
|
£0.512
|
|
|
£0.497
|
|
|
View
|
|
|
£0.28
|
|
|
£0.47
|
|
|
£0.454
|
|
|
£0.28
|
|
|
£0.28
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Baluns
|
800 MHz to 1 GHz
|
100 Ohms
|
SMD/SMT
|
0805 (2012 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 800-1000MHz 50/200 Ohm IL=1.1dB
- BD0810J50200AHF
- TTM Technologies
-
1:
£0.986
-
10,033In Stock
-
32,000Expected 04/08/2026
|
Mouser Part No
620-BD0810J50200AHF
|
TTM Technologies
|
Signal Conditioning 800-1000MHz 50/200 Ohm IL=1.1dB
|
|
10,033In Stock
32,000Expected 04/08/2026
|
|
|
£0.986
|
|
|
£0.89
|
|
|
£0.834
|
|
|
£0.811
|
|
|
£0.571
|
|
|
View
|
|
|
£0.78
|
|
|
£0.73
|
|
|
£0.704
|
|
|
£0.533
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Baluns
|
800 MHz to 1 GHz
|
200 Ohms
|
SMD/SMT
|
0805 (2012 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 2.4-2.5GHz 50/100 Ohm IL=.7dB
- BD2425N50100AHF
- TTM Technologies
-
1:
£0.428
-
6,280In Stock
|
Mouser Part No
620-BD2425N50100AHF
|
TTM Technologies
|
Signal Conditioning 2.4-2.5GHz 50/100 Ohm IL=.7dB
|
|
6,280In Stock
|
|
|
£0.428
|
|
|
£0.389
|
|
|
£0.364
|
|
|
£0.354
|
|
|
View
|
|
|
£0.192
|
|
|
£0.34
|
|
|
£0.325
|
|
|
£0.21
|
|
|
£0.192
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Baluns
|
2.45 MHz
|
100 Ohms
|
SMD/SMT
|
0404 (1010 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 2.3-2.6GHz 50 Ohm IL=.6dB
- BD2425N50ATI
- TTM Technologies
-
1:
£0.428
-
7,824In Stock
|
Mouser Part No
620-BD2425N50ATI
|
TTM Technologies
|
Signal Conditioning 2.3-2.6GHz 50 Ohm IL=.6dB
|
|
7,824In Stock
|
|
|
£0.428
|
|
|
£0.389
|
|
|
£0.364
|
|
|
£0.354
|
|
|
View
|
|
|
£0.192
|
|
|
£0.34
|
|
|
£0.325
|
|
|
£0.21
|
|
|
£0.192
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Baluns
|
2.3 GHz to 2.6 GHz
|
50 Ohms
|
SMD/SMT
|
0404 (1010 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 3.1-5.0GHz 50/100 Ohm IL=.7dB
- BD3150N50100AHF
- TTM Technologies
-
1:
£0.405
-
20,995In Stock
|
Mouser Part No
620-BD3150N50100AHF
|
TTM Technologies
|
Signal Conditioning 3.1-5.0GHz 50/100 Ohm IL=.7dB
|
|
20,995In Stock
|
|
|
£0.405
|
|
|
£0.368
|
|
|
£0.344
|
|
|
£0.334
|
|
|
£0.21
|
|
|
View
|
|
|
£0.32
|
|
|
£0.305
|
|
|
£0.294
|
|
|
£0.185
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Baluns
|
3.1 GHz to 5 GHz
|
100 Ohms
|
SMD/SMT
|
0404 (1010 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 4.8+5.9GHz 50 Ohm IL=.7dB
- BD4859N5050AHF
- TTM Technologies
-
1:
£0.428
-
24,499In Stock
|
Mouser Part No
620-BD4859N5050AHF
|
TTM Technologies
|
Signal Conditioning 4.8+5.9GHz 50 Ohm IL=.7dB
|
|
24,499In Stock
|
|
|
£0.428
|
|
|
£0.388
|
|
|
£0.362
|
|
|
£0.352
|
|
|
View
|
|
|
£0.192
|
|
|
£0.339
|
|
|
£0.325
|
|
|
£0.21
|
|
|
£0.192
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Baluns
|
4.8 GHz to 5.9 GHz
|
50 Ohms
|
SMD/SMT
|
0404 (1010 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 400-900MHz IL .6dB 3dB Hybrid Coupler
- C0409J5003AHF
- TTM Technologies
-
1:
£0.766
-
3,185In Stock
|
Mouser Part No
620-C0409J5003AHF
|
TTM Technologies
|
Signal Conditioning 400-900MHz IL .6dB 3dB Hybrid Coupler
|
|
3,185In Stock
|
|
|
£0.766
|
|
|
£0.659
|
|
|
£0.621
|
|
|
£0.569
|
|
|
View
|
|
|
£0.338
|
|
|
£0.539
|
|
|
£0.513
|
|
|
£0.338
|
|
|
£0.338
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Couplers
|
400 MHz to 900 MHz
|
50 Ohms
|
SMD/SMT
|
|
- 55 C
|
+ 140 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 2.3-2.7GHz IL=.4dB 3dB 90 Deg.
- C2327J5003AHF
- TTM Technologies
-
1:
£0.751
-
4,782In Stock
|
Mouser Part No
620-C2327J5003AHF
|
TTM Technologies
|
Signal Conditioning 2.3-2.7GHz IL=.4dB 3dB 90 Deg.
|
|
4,782In Stock
|
|
|
£0.751
|
|
|
£0.646
|
|
|
£0.609
|
|
|
£0.559
|
|
|
View
|
|
|
£0.338
|
|
|
£0.528
|
|
|
£0.507
|
|
|
£0.338
|
|
|
£0.338
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Couplers
|
2.3 GHz to 2.7 GHz
|
50 Ohms
|
SMD/SMT
|
0805 (2012 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning .7-1.0GHz IL=.28dB Mean Coupling 19.5dB
- DC0710J5020AHF
- TTM Technologies
-
1:
£1.14
-
13,083In Stock
|
Mouser Part No
620-DC0710J5020AHF
|
TTM Technologies
|
Signal Conditioning .7-1.0GHz IL=.28dB Mean Coupling 19.5dB
|
|
13,083In Stock
|
|
|
£1.14
|
|
|
£0.986
|
|
|
£0.934
|
|
|
£0.856
|
|
|
View
|
|
|
£0.526
|
|
|
£0.803
|
|
|
£0.773
|
|
|
£0.526
|
|
|
£0.526
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Couplers
|
700 MHz to 1 GHz
|
50 Ohms
|
SMD/SMT
|
0805 (2012 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 1.7-2.2GHz IL=.3dB Mean Coupling 10.8dB
- DC1722J5010AHF
- TTM Technologies
-
1:
£0.995
-
2,298In Stock
-
28,000Expected 27/10/2026
|
Mouser Part No
620-DC1722J5010AHF
|
TTM Technologies
|
Signal Conditioning 1.7-2.2GHz IL=.3dB Mean Coupling 10.8dB
|
|
2,298In Stock
28,000Expected 27/10/2026
|
|
|
£0.995
|
|
|
£0.856
|
|
|
£0.811
|
|
|
£0.739
|
|
|
View
|
|
|
£0.451
|
|
|
£0.70
|
|
|
£0.663
|
|
|
£0.451
|
|
|
£0.451
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Couplers
|
1.7 GHz to 2.2 GHz
|
50 Ohms
|
SMD/SMT
|
0805 (2012 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Signal Conditioning 1.7-2.2GHz IL=.17dB Mean Coupling 19.9dB
- DC1722J5020AHF
- TTM Technologies
-
1:
£0.995
-
3,853In Stock
|
Mouser Part No
620-DC1722J5020AHF
|
TTM Technologies
|
Signal Conditioning 1.7-2.2GHz IL=.17dB Mean Coupling 19.9dB
|
|
3,853In Stock
|
|
|
£0.995
|
|
|
£0.856
|
|
|
£0.811
|
|
|
£0.739
|
|
|
View
|
|
|
£0.451
|
|
|
£0.70
|
|
|
£0.663
|
|
|
£0.451
|
|
|
£0.451
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
Signal Conditioning
|
Couplers
|
1.7 GHz to 2.2 GHz
|
50 Ohms
|
SMD/SMT
|
0805 (2012 metric)
|
- 55 C
|
+ 85 C
|
|
Reel, Cut Tape, MouseReel
|
|
United Kingdom