Audio Transformers / Signal Transformers Power Module
+2 images
S558-5999-J1-F
Bel Magnetic Solutions
1:
$3.10
3,404 In Stock
Mouser Part No
530-S558-5999-J1-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Power Module
3,404 In Stock
1
$3.10
10
$2.82
25
$2.62
100
$2.52
900
$1.99
1,800
View
250
$2.42
500
$2.14
1,800
$1.93
Buy
Min.: 1
Mult.: 1
Reel :
900
Details
LAN Transformers
Module
SMD/SMT
1 MHz to 10 MHz
350 uH
Single
10/100 Base-T
12.32 mm
7.24 mm
5.71 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFRMR LAN 5G 60W POE SMD
S558-5500-JV
Bel Magnetic Solutions
1:
$7.28
1,488 In Stock
Mouser Part No
530-S558-5500-JV
Bel Magnetic Solutions
Audio Transformers / Signal Transformers XFRMR LAN 5G 60W POE SMD
1,488 In Stock
1
$7.28
10
$5.48
25
$5.09
50
$4.92
380
$3.93
760
View
100
$4.77
250
$4.08
760
$3.78
Buy
Min.: 1
Mult.: 1
Reel :
380
Details
PoE Transformers
SMD/SMT
1 MHz to 300 MHz
- 40 C
+ 85 C
Quad
PoE
17.53 mm
12.19 mm
5.71 mm
Reel, Cut Tape
Audio Transformers / Signal Transformers Transformer
S558-5999-U7-F
Bel Magnetic Solutions
1:
$2.79
25,101 In Stock
44,100 Expected 4/9/2026
Mouser Part No
530-S558-5999-U7-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
25,101 In Stock
44,100 Expected 4/9/2026
1
$2.79
10
$2.53
25
$2.35
100
$2.28
900
$1.88
1,800
View
250
$2.19
500
$1.96
1,800
$1.80
4,500
$1.77
Buy
Min.: 1
Mult.: 1
Reel :
900
Details
LAN Transformers
Module
SMD/SMT
300 kHz to 100 MHz
350 uH
- 40 C
+ 85 C
Single
10/100 Base-T
12.32 mm
7.24 mm
5.72 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-P3-F
Bel Magnetic Solutions
1:
$7.40
786 In Stock
Mouser Part No
530-S558-5999-P3-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
786 In Stock
1
$7.40
10
$6.69
25
$6.42
50
$6.23
380
$5.40
760
View
100
$5.86
250
$5.55
760
$5.25
2,280
$5.15
Buy
Min.: 1
Mult.: 1
Reel :
380
Details
LAN Transformers
Module
SMD/SMT
100 kHz to 125 MHz
350 uH
0 C
+ 70 C
Single
1000 Base-T
17.53 mm
12.19 mm
5.71 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-Q2-F
Bel Magnetic Solutions
1:
$9.71
319 In Stock
480 Expected 16/10/2026
Mouser Part No
530-S558-5999-Q2-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
319 In Stock
480 Expected 16/10/2026
1
$9.71
10
$7.74
25
$7.29
50
$6.76
240
$6.36
480
View
100
$6.50
480
$6.19
960
$5.89
Buy
Min.: 1
Mult.: 1
Reel :
240
Details
LAN Transformers
Module
SMD/SMT
1 MHz to 125 MHz
350 uH
0 C
+ 70 C
Dual
1000 Base-T
27.81 mm
12.19 mm
7.24 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-T3-F
Bel Magnetic Solutions
1:
$8.42
1,382 In Stock
Mouser Part No
530-S558-5999-T3-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
1,382 In Stock
1
$8.42
10
$6.46
25
$6.16
50
$5.97
320
$5.26
640
View
100
$5.73
640
$5.21
960
$4.95
Buy
Min.: 1
Mult.: 1
Reel :
320
Details
LAN Transformers
Module
SMD/SMT
100 kHz to 125 MHz
350 uH
0 C
+ 70 C
Single
1000 Base-T
15.24 mm
13.26 mm
6.35 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-T7-F
Bel Magnetic Solutions
1:
$2.79
4,403 In Stock
3,600 Expected 28/8/2026
Mouser Part No
530-S558-5999-T7-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
4,403 In Stock
3,600 Expected 28/8/2026
1
$2.79
10
$2.53
25
$2.35
100
$2.26
900
$1.84
4,500
View
250
$1.99
500
$1.86
4,500
$1.70
Buy
Min.: 1
Mult.: 1
Reel :
900
Details
LAN Transformers
Module
SMD/SMT
1 MHz to 80 MHz
350 uH
- 40 C
+ 85 C
Single
10/100 Base-T
12.32 mm
7.24 mm
5.72 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-W2-F
Bel Magnetic Solutions
1:
$3.10
1,077 In Stock
Mouser Part No
530-S558-5999-W2-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
1,077 In Stock
1
$3.10
10
$2.82
25
$2.62
100
$2.46
900
$2.08
1,800
View
250
$2.37
500
$2.15
1,800
$1.88
4,500
$1.81
Buy
Min.: 1
Mult.: 1
Reel :
900
Details
LAN Transformers
Module
SMD/SMT
100 kHz to 250 MHz
350 uH
- 40 C
+ 85 C
Single
10/100 Base-T
12.32 mm
7.24 mm
5.71 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-Z5-F
Bel Magnetic Solutions
1:
$2.79
3,731 In Stock
5,400 Expected 19/10/2026
Mouser Part No
530-S558-5999-Z5-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
3,731 In Stock
5,400 Expected 19/10/2026
1
$2.79
10
$2.53
25
$2.35
100
$2.27
900
$1.81
1,800
View
250
$2.00
500
$1.96
1,800
$1.74
4,500
$1.73
Buy
Min.: 1
Mult.: 1
Reel :
900
Details
LAN Transformers
Module
SMD/SMT
100 kHz to 100 MHz
350 uH
- 40 C
+ 85 C
Single
10/100 Base-T
12.32 mm
7.24 mm
5.71 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers 10G PoE 100W
S558-10GB-23
Bel Magnetic Solutions
1:
$10.62
250 In Stock
300 Expected 4/9/2026
Mouser Part No
530-S558-10GB-23
Bel Magnetic Solutions
Audio Transformers / Signal Transformers 10G PoE 100W
250 In Stock
300 Expected 4/9/2026
1
$10.62
10
$9.37
25
$8.89
50
$8.42
300
$7.40
600
View
100
$8.13
600
$7.36
Buy
Min.: 1
Mult.: 1
Reel :
300
Details
PoE Transformers
SMD/SMT
1 MHz to 600 MHz
- 40 C
+ 85 C
Quad
10G PoE
15.49 mm
15.24 mm
7.37 mm
Reel, Cut Tape
Audio Transformers / Signal Transformers 2.5G 4pPoE transformer
S558-5500-JB
Bel Magnetic Solutions
1:
$5.37
114 In Stock
3,420 On Order
Mouser Part No
530-S558-5500-JB
Bel Magnetic Solutions
Audio Transformers / Signal Transformers 2.5G 4pPoE transformer
114 In Stock
3,420 On Order
View Dates
Stock:
114 Can Dispatch Immediately
On Order:
1,520 Expected 15/10/2026
1,900 Expected 16/10/2026
Factory Lead Time:
14 Weeks
1
$5.37
10
$4.83
25
$4.60
50
$4.45
380
$3.88
760
View
100
$4.15
250
$4.01
760
$3.71
2,280
$3.67
Buy
Min.: 1
Mult.: 1
Reel :
380
Details
Reel, Cut Tape
Audio Transformers / Signal Transformers Transformer
S558-5999-AB-F
Bel Magnetic Solutions
1:
$5.37
231 In Stock
1,280 Expected 18/9/2026
Mouser Part No
530-S558-5999-AB-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
231 In Stock
1,280 Expected 18/9/2026
1
$5.37
10
$4.86
25
$4.66
50
$4.52
320
$4.05
640
View
100
$4.38
640
$3.89
960
$3.74
2,240
$3.71
Buy
Min.: 1
Mult.: 1
Reel :
320
Details
LAN Transformers
Module
SMD/SMT
100 kHz to 125 MHz
350 uH
- 40 C
+ 85 C
Single
1000 Base-T
15.24 mm
13.26 mm
6.35 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-AT-F
Bel Magnetic Solutions
1:
$7.26
11 In Stock
760 Expected 31/7/2026
Mouser Part No
530-S558-5999-AT-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
11 In Stock
760 Expected 31/7/2026
1
$7.26
10
$6.39
25
$6.12
50
$5.93
100
View
380
$4.81
100
$5.58
250
$4.95
380
$4.81
Buy
Min.: 1
Mult.: 1
Reel :
380
Details
LAN Transformers
Module
SMD/SMT
100 kHz to 125 MHz
350 uH
- 40 C
+ 85 C
Single
1000 Base-T
17.53 mm
12.19 mm
5.71 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-AZ-F
Bel Magnetic Solutions
1:
$10.62
72 In Stock
2,200 Expected 28/7/2026
Mouser Part No
530-S558-5999-AZ-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
72 In Stock
2,200 Expected 28/7/2026
1
$10.62
10
$9.28
25
$8.80
50
$8.34
1,100
$7.07
2,200
View
100
$8.04
250
$7.81
500
$7.58
2,200
$6.85
Buy
Min.: 1
Mult.: 1
Reel :
1,100
LAN Transformers
Module
SMD/SMT
1 MHz to 125 MHz
350 uH
0 C
+ 70 C
Single
1000 Base-T
22.35 mm
13.72 mm
1.73 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-T5-F
Bel Magnetic Solutions
1:
$2.79
282 In Stock
2,700 Expected 16/10/2026
Mouser Part No
530-S558-5999-T5-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
282 In Stock
2,700 Expected 16/10/2026
1
$2.79
10
$2.53
25
$2.35
100
$2.23
900
$1.92
1,800
View
250
$2.09
500
$1.93
1,800
$1.90
4,500
$1.86
Buy
Min.: 1
Mult.: 1
Reel :
900
Details
LAN Transformers
Module
SMD/SMT
350 uH
- 40 C
+ 85 C
Single
10/100 Base-T
12.32 mm
7.24 mm
5.71 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers XFRMR LAN 2.5G 60W POE SMD
S558-5500-JD
Bel Magnetic Solutions
1:
$5.37
1,520 On Order
Mouser Part No
530-S558-5500-JD
Bel Magnetic Solutions
Audio Transformers / Signal Transformers XFRMR LAN 2.5G 60W POE SMD
1,520 On Order
View Dates
On Order:
760 Expected 7/8/2026
760 Expected 14/8/2026
Factory Lead Time:
14 Weeks
1
$5.37
10
$4.80
25
$4.53
50
$4.38
380
$3.44
760
View
100
$4.26
250
$3.93
760
$3.32
2,280
$3.26
Buy
Min.: 1
Mult.: 1
Reel :
380
Details
PoE Transformers
SMD/SMT
1 MHz to 150 MHz
0 C
+ 70 C
Quad
PoE
17.53 mm
12.19 mm
5.71 mm
Reel, Cut Tape
Audio Transformers / Signal Transformers Transformer
S558-5999-M8-F
Bel Magnetic Solutions
1:
$5.55
720 Expected 25/9/2026
Mouser Part No
530-S558-5999-M8-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
720 Expected 25/9/2026
1
$5.55
10
$4.18
25
$3.88
50
$3.75
380
$3.21
760
View
100
$3.64
250
$3.29
760
$3.09
Buy
Min.: 1
Mult.: 1
Reel :
380
Details
LAN Transformers
Module
SMD/SMT
100 kHz to 125 MHz
350 uH
0 C
+ 70 C
Single
1000 Base-T
17.53 mm
12.19 mm
5.71 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Transformer
S558-5999-Q9-F
Bel Magnetic Solutions
1:
$9.38
1,920 On Order
Mouser Part No
530-S558-5999-Q9-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Transformer
1,920 On Order
View Dates
On Order:
640 Expected 14/8/2026
1,280 Expected 16/10/2026
Factory Lead Time:
14 Weeks
1
$9.38
10
$7.48
25
$7.03
50
$6.53
320
$6.16
640
View
100
$6.28
640
$5.98
960
$5.68
Buy
Min.: 1
Mult.: 1
Reel :
320
Details
LAN Transformers
Module
SMD/SMT
100 kHz to 500 MHz
350 uH
0 C
+ 70 C
Dual
1000 Base-T
27.94 mm
15.24 mm
4.47 mm
Reel, Cut Tape, MouseReel
Audio Transformers / Signal Transformers Power Module
S558-5999-AM-F
Bel Magnetic Solutions
2,200:
$6.01
Non-Stocked Lead-Time 14 Weeks
Mouser Part No
530-S558-5999-AM-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Power Module
Non-Stocked Lead-Time 14 Weeks
Buy
Min.: 2,200
Mult.: 1,100
Reel :
1,100
Details
LAN Transformers
Module
SMD/SMT
1 MHz to 100 MHz
350 uH
0 C
+ 70 C
Single
1000 Base-T
22.35 mm
13.72 mm
1.73 mm
Reel
Audio Transformers / Signal Transformers Power Module
S558-5999-Q3-F
Bel Magnetic Solutions
1:
$12.34
Non-Stocked Lead-Time 14 Weeks
Mouser Part No
530-S558-5999-Q3-F
Bel Magnetic Solutions
Audio Transformers / Signal Transformers Power Module
Non-Stocked Lead-Time 14 Weeks
1
$12.34
10
$9.83
25
$9.25
50
$8.57
240
$8.09
480
View
100
$8.24
480
$7.86
960
$7.48
Buy
Min.: 1
Mult.: 1
Reel :
240
Details
LAN Transformers
Module
SMD/SMT
1 MHz to 125 MHz
350 uH
0 C
+ 70 C
Dual
1000 Base-T
27.81 mm
12.19 mm
7.24 mm
Reel, Cut Tape, MouseReel