Product Details
Place of Origin: Guangdong,China
Brand Name: LINK-PP
Certification: UL,RoHS,Reach,ISO
Model Number: LP2019NL
Document: LP2019NL.pdf
Payment & Shipping Terms
Minimum Order Quantity: 400/2000/10K/25K
Price: $0.06-$1.2
Packaging Details: T&R
Delivery Time: About 3-5 Days
Payment Terms: TT,NET30/60/90 Days
Supply Ability: 5KK/Month
Product Name: |
LP2019NL Ethernet Magnetics Module |
Ethernet Standard: |
IEEE 802.3 10/100BASE-TX |
PoE Support: |
Yes (up To 600 MA) |
Use Cases: |
VoIP Phones, IP Phones, Ethernet Switches |
Turns Ratio: |
1CT:1CT (TX / RX) |
Isolation Voltage: |
1500 Vrms |
Operating Temperature: |
0 °C To +70 °C |
Mounting Type: |
Surface Mount |
Compliance: |
RoHS |
Manufacturer: |
LINK-PP LAN Transformer Supplier |
Product Name: |
LP2019NL Ethernet Magnetics Module |
Ethernet Standard: |
IEEE 802.3 10/100BASE-TX |
PoE Support: |
Yes (up To 600 MA) |
Use Cases: |
VoIP Phones, IP Phones, Ethernet Switches |
Turns Ratio: |
1CT:1CT (TX / RX) |
Isolation Voltage: |
1500 Vrms |
Operating Temperature: |
0 °C To +70 °C |
Mounting Type: |
Surface Mount |
Compliance: |
RoHS |
Manufacturer: |
LINK-PP LAN Transformer Supplier |
The LP2019NL is a compact 10/100BASE-TX Ethernet magnetics module designed for VoIP, LAN, and Power over Ethernet (PoE) applications. It integrates high-performance isolation transformers optimized for Fast Ethernet signal integrity while supporting PoE power delivery up to 600 mA.
LP2019NL is widely used in SOHO networking equipment, LAN-on-Motherboard (LOM) designs, Ethernet hubs, switches, IP phones, and ADSL modems, where stable data transmission and reliable isolation are critical.
Manufactured to meet RoHS compliance and rated for 250 °C peak solder temperature, the LP2019NL offers excellent manufacturability and long-term reliability.
| Electrical Specifications | Value / Condition |
|---|---|
| Turns Ratio | TX: 1CT : 1CT RX: 1CT : 1CT |
| Insertion Loss | 0.1–100 MHz: -1.0 dB Max |
| Return Loss | 0.1–30 MHz: -18 dB Min 30–60 MHz: -13 dB Min 60–80 MHz: -12 dB Min |
| Crosstalk | 0.1–100 MHz: -35 dB Min |
| Differential-to-Common Mode Rejection (DCMR) | 30 MHz: -42 dB Min 60 MHz: -36 dB Min 100 MHz: -33 dB Min |
| Common Mode Rejection Ratio (CMRR) | 1–100 MHz: -40 dB Typ |
| Inductance (OCL) | Pins 1–3, 6–8: 350 µH Min @ 100 kHz, 0.1 V, 8 mA DC Bias |
| DC Resistance (DCR) | Pins 1–3, 6–8: 0.9 Ω Max |
| Leakage Inductance (LK) | 1–3 (Tie: 16+14): 0.5 µH Max @ 100 kHz, 0.1 V 6–8 (Tie: 11+9): 0.5 µH Max @ 100 kHz, 0.1 V |
| Interwinding Capacitance (Cw/w) | (1–3), (16–14): 28 pF Max @ 100 kHz, 0.1 V (6–8), (11–9): 28 pF Max @ 100 kHz, 0.1 V |
| Isolation Voltage | 1500 Vrms |
| Specification | Value / Condition |
|---|---|
| Operating Temperature | 0 °C to +70 °C |
| RoHS Compliance | Yes (NL suffix) |
| Package Type | Surface Mount |
| Body Dimensions | Length: 12.70 mm Width: 8.89 mm (typ.) Height: 7.15 mm max |
The LP2019NL integrates separate transmit (TX) and receive (RX) isolation transformers with center taps, suitable for Fast Ethernet PHY interfaces.
This configuration supports PoE power injection through the center taps while maintaining signal isolation and EMI control.
The LP2019NL is used in 10/100BASE-TX Ethernet interfaces to provide signal isolation, impedance matching, and noise suppression. It is commonly deployed in VoIP phones, IP telephones, Ethernet switches, and SOHO networking equipment.
Yes. LP2019NL is designed for PoE-enabled Ethernet applications and supports a continuous current of up to 600 mA, making it suitable for IP phones and other PoE-powered devices.
Yes. LP2019NL complies with IEEE 802.3 10/100BASE-TX electrical and isolation requirements and is suitable for Fast Ethernet PHY designs.
The transformer uses a 1CT:1CT turns ratio on both the transmit (TX) and receive (RX) channels, ensuring signal symmetry and PHY compatibility.
LP2019NL provides an isolation rating of 1500 Vrms, meeting standard Ethernet safety and isolation requirements.
Yes. LP2019NL is optimized for VoIP and IP phone applications, offering low insertion loss, strong common-mode noise rejection, and reliable PoE power handling.
Yes. The NL suffix indicates full RoHS compliance and a peak reflow solder temperature rating of 250 °C.
The LP2019NL 10/100BASE-TX VoIP Magnetics Module is a compact, PoE-ready Ethernet transformer solution designed for Fast Ethernet applications. With high isolation voltage, excellent EMI performance, and compliance with IEEE 802.3 standards, LP2019NL is a reliable choice for VoIP phones, IP telephones, and Ethernet networking equipment.
