S16-2019 10/100Base-T Single-Port PoE Ethernet Magnetic LP2019ANL
The S16-2019 Ethernet Magnetic PoE Transformer is a single-port LAN magnetics module designed for 10/100Base-T Ethernet interfaces. It provides signal isolation, impedance matching, and EMI suppression between the Ethernet PHY and the RJ45 connector.
This Ethernet transformer is widely used in routers, switches, IP cameras, VoIP phones, and wireless access points, especially in designs that require Power over Ethernet (PoE) capability.
With integrated magnetics optimized for Fast Ethernet networks, the S16-2019 LAN transformer supports stable data transmission while meeting IEEE Ethernet isolation and performance requirements.
Engineers commonly integrate this component into Ethernet hardware to ensure high signal integrity, electromagnetic compatibility, and reliable network connectivity.
10/100 BASE-T Ethernet Transformer Module Features:
- Single Port 10/100 BASE-T Ethernet Transformer Module
- Designed to support applications such as SOHO (ADSL modems), LAN-on-Motherboard (LOM), hubs and Switches
- With various Turns Ratios: TX=1CT:1CT, RX=1CT:1CT
- 350uH min OCL with 8mA bias
- RoHS "NL" compliant with peak solder rating 255±5°C
- PoE+ capability with 350mA current capability
- IEEE802.3af/ANSI X3.263 Compliant Performance
- Isolation Voltage: 1500V
- Operating Temperature: -40~+85°C
- Suitable for Auto MDIX applications
- SMD 16-Pin package
S16-2019 PoE Transformer Specifications:
Electrical Specifications of S16-2019 LAN Magnetics
|
Parameter |
Specification |
Value |
Unit |
Condition |
|---|---|---|---|---|
|
Turns Ratio |
TX |
1CT:1CT |
- |
- |
|
Turns Ratio |
RX |
1CT:1CT |
- |
- |
|
Insertion Loss |
0.1-100MHz |
-1.0 |
dB |
MAX |
|
Return Loss |
0.1-30MHz |
-18 |
dB |
MIN |
|
Return Loss |
30-60MHz |
-13 |
dB |
MIN |
|
Return Loss |
60-80MHz |
-12 |
dB |
MIN |
|
Crosstalk |
0.1-100MHz |
-35 |
dB |
MIN |
|
DCMR (Differential to Common Mode Rejection) |
30MHz |
-42 |
dB |
MIN |
|
DCMR |
60MHz |
-36 |
dB |
MIN |
|
DCMR |
100MHz |
-33 |
dB |
MIN |
|
CMRR (Common Mode Rejection Ratio) |
1-100MHz |
-40 |
dB |
TYP |
|
Inductance (L) |
1-3, 6-8 |
350 |
µH |
MIN at 100KHz, 0.1V, 8mA DC |
|
DC Resistance (DCR) |
1-3, 6-8 |
0.9 |
OHM |
MAX |
|
Leakage Inductance (LK) |
1-3 (Tie: 16+14) |
0.5 |
µH |
MAX at 100KHz, 0.1V |
|
Leakage Inductance (LK) |
6-8 (Tie: 11+9) |
0.5 |
µH |
MAX at 100KHz, 0.1V |
|
Interwinding Capacitance (Cw/w) |
(1-3), (16-14) |
28 |
pF |
MAX at 100KHz, 0.1V |
|
Interwinding Capacitance (Cw/w) |
(6-8), (11-9) |
28 |
pF |
MAX at 100KHz, 0.1V |
|
Isolation Voltage |
- |
1500 |
V |
- |
|
Operating Temperature |
- |
-40 to +85 |
°C |
- |
|
PoE Current Capability |
- |
350 |
mA |
- |
S16-2019 10/100 Base-T Ethernet Magnetic Mechanical Specifications
| Parameter | Value |
|---|---|
| Package Type | Surface Mount (SMD) |
| Pin Count | 16 Pins |
| Construction | Open Frame |
| Core Structure | 6 Cores per Port |
| Length | ~12.7 mm |
| Width | ~9.3 mm |
| Height | ~6.2 mm |
| Mounting Type | SMT |
The compact SMD footprint allows the S16-2019 magnetics module to fit into space-constrained Ethernet device designs.
S16-2019 Datasheet:
PoE Support in S16-2019 LAN Transformers
The S16-2019 Ethernet magnetics module supports Power over Ethernet (PoE) applications, enabling network cables to transmit both data and electrical power.
Compatible PoE standards include:
- IEEE 802.3af (PoE)
- IEEE 802.3at (PoE+)
This makes the transformer suitable for devices such as:
- IP surveillance cameras
- Wireless access points
- VoIP telephones
- Smart home gateways
- Industrial Ethernet devices
Typical Application of S16-2019 Ethernet Magnetics
The S16-2019 transformer module is placed between the Ethernet PHY chip and the RJ45 connector.
Typical signal path:
Its primary functions include:
- Galvanic isolation between network and circuitry
- Differential signal coupling
- Impedance matching for Ethernet transmission
- Common-mode noise filtering
- Support for PoE power injection through center taps
S16-2019 Equivalent and Compatible Parts
The S16-2019 LAN transformer belongs to a common category of 10/100Base-T Ethernet magnetics modules, and equivalent parts are available from multiple manufacturers.
Typical compatible models include:
These components share similar electrical performance and pin configuration for Ethernet interface designs.
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