| VP8019 HF | VP8019M HF | POE Magnetics | 10/100 POE Transformer |
10/100BASE-TX VoIP Magnetics Module – VP8019M HF
Overview:
The VP8019M HF is a high-performance 10/100BASE-TX magnetics module specifically designed for Voice over IP (VoIP) applications, including IP phones and Ethernet switches. Engineered to meet IEEE 802.3af and ANSI X3.263 standards, this module ensures reliable signal integrity, efficient power handling, and seamless network performance.
Key Features:
✅ IEEE 802.3af / ANSI X3.263 compliant for PoE (Power over Ethernet) support.
✅ Supports up to 350 mA current for power-demanding VoIP devices.
✅ Optimized for IP phone and Ethernet switch integration.
✅ Compact footprint for space-constrained PCB designs.
✅ Optional Auto MDIX support, enabling automatic detection of straight-through or crossover cables.
✅ Operating Temperature: 0°C to +70°C
✅ Storage Temperature: -10°C to +85°C
Electrical Specification @25℃
| Parameter | Conditions / Frequency | Specification |
| Turn Ratio (±5%) | TX / RX | 1CT : 1CT |
| Insertion Loss | 0.1 – 100 MHz | ≤ -1.4 dB |
| Return Loss | 1 – 30 MHz | ≥ -18 dB |
| | 40 MHz | ≥ -14 dB |
| | 50 MHz | ≥ -13 dB |
| | 60 – 80 MHz | ≥ -12 dB |
| Crosstalk | 30 MHz | ≥ -45 dB |
| | 60 MHz | ≥ -40 dB |
| | 100 MHz | ≥ -35 dB |
| DCMR (Differential to Common Mode Rejection) | 30 MHz | ≥ -43 dB |
| | 60 MHz | ≥ -37 dB |
| | 100 MHz | ≥ -33 dB |
| OCL (Open Circuit Inductance) | @100kHz, 0.1V, 8mA bias | Specified separately |
| Isolation Voltage | – | 1500 Vrms |
| Operating Temperature | – | -40°C to +85°C |
VP8019M HF DATA SHEET
Applications:
- IP Phones
- VoIP Gateways
- Ethernet Switches
- Network Interface Cards (NICs)
- Power over Ethernet (PoE) Devices
