S558-5999-A4 Bel Fuse Inc, S558-5999-A4 Datasheet - Page 3

• Manufacturer Part Number: S558-5999-A4
• Manufacturer: Bel Fuse Inc

Specifications of S558-5999-A4

• Mounting: Surface Mount
• Pin Count: 40
• Insertion Loss (max): -1(Typ)dB
• Isolation Voltage (max): 2000VrmsV
• Lead Style: Gull Wing
• Product Depth (mm): 15.24mm
• Product Height (mm): 5.72mm
• Product Length (mm): 27.94mm
• Return Loss (min): -16dB
• Turns Ratio: 1CT:1/1CT:1CT
• Lead Free Status / Rohs Status: Supplier Unconfirmed

SCHEMATICS
RD1+
RCT2
RD2+
RCT1
TD1+
TCT2
TD2+
RD1-
TCT1
RD2-
TD2-
TD1-
RCT2
RD2+
RD1+
RCT1
TCT2
TD2+
RD1-
TD1+
TCT1
RD2-
TD1-
TD2-
18
12
13
14
16
17
2
3
4
6
7
8
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
10/100BASE-T LAN MAGNETICS
16
17
18
13
12
14
Dual Transformer Modules
2
3
4
8
1CT : 1CT
6
7
1CT : 1CT
1CT : 1
1CT : 1
S558-5999-A4
S558-5999-A8
1CT : 1CT
1CT : 1CT
1CT : 1CT
1CT : 1CT
34
29 RX2-
28
27
25 TX2-
39
38
37
35 TX1-
33
24
23
39
38
37
35
34
33
29
28
27
25
23
24
RX1-
RCMT1
RX1+
RX2-
RCMT2
RX2+
TX1-
TCMT1
TX1+
TX2-
TCMT2
TX2+
RCMT2
RX2+
RX1-
RCMT1
RX1+
TCMT1
TX1+
TCMT2
TX2+
RCT2
RD1+
RD2+
RCT1
RCT2
RD2+
TD1+
TCT2
TD2+
RD1-
RD2-
RD1+
RCT1
TCT1
TCT2
TD2+
RD1-
TD1+
TCT1
TD1-
TD2-
RD2-
TD1-
TD2-
12
13
16
17
18
14
16
17
18
2
3
13
14
4
12
6
7
8
2
3
4
8
6
7
1CT : 1CT
1CT : 1CT
©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01
1CT : 1
1CT : 1
S558-5999-A6
S558-5999-A9
1CT : 1CT
1CT : 1CT
1CT : 1CT
1CT : 1CT
25
24
23
35
34
33
29
28
27
39
38
37
25 RX2-
24
34
33
29 TX2-
28
27
23
35
39 TX1-
38
37
RX2-
RCMT2
RX2+
RX1-
RCMT1
RX1+
TX2-
TCMT2
TX2+
TX1-
TCMT1
TX1+
RCMT2
RX2+
RX1-
RCMT1
RX1+
TCMT2
TX2+
TCMT1
TX1+
LM00405
L4-15