Audio Transformers / Signal Transformers POE70P Flyback 7uH 5.0 V 1.4 A
SMD,12.7x10.5mm Pulse Transformers RoHS
The POE70P-50LD, manufactured by Coilcraft, is a magnetic component designed for PoE applications, where electrical power is delivered together with data over Ethernet cables. It is optimized for isolated DC-DC conversion in network-powered devices.
Key Characteristics
Part Type: PoE transformer / flyback transformer
Technology: Magnetic (ferrite core) transformer
Mounting: Surface-mount (SMT)
Power Rating: ~7 W
Isolation Voltage: up to 1500 Vrms
Input Range: typically 36–72 V (PoE standard range)
Output Example: ~5 V / 1.4 A (depending on design)
Core Material: Ferrite
Operating Temp: −40 °C to +85 °C
Function (How it works)
Converts high-voltage PoE input into low-voltage DC output
Provides galvanic isolation between Ethernet line and device
Works in a flyback converter topology
Supports efficient energy transfer and EMI control
Typical Applications
IP cameras
VoIP phones
Wireless access points
Network switches
Industrial IoT devices
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