# POE70P-50LD (Component) ## Description 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 #CommonPartsLibrary #Transformer ## Component Details - **Owner:** adrian95 - **Created:** 4/24/2026 - **Last Updated:** 4/24/2026 - **Visibility:** Public - **Part Type:** Transformer - **Manufacturer Name:** COILCRAFT - **Datasheet URL:** https://www.mouser.com/datasheet/2/597/poe_ep-463527.pdf - **Manufacturer Part Number:** POE70P-50LD - **License:** https://creativecommons.org/licenses/by/4.0/ ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [LCSC](https://www.lcsc.com/product-detail/C20417054.html) | $7.5737 | 0 | - **Part Type:** Transformers - **MPN:** POE70P-50LD - **Mount Type:** Surface Mount - **Package / Case Code:** TO - **Pin Count:** 8 - **Compliance:** Rohs ## Pins | Pin | Name | Type | |-----|------|------| | 1 | BIAS_- | | | 2 | BIAS_+ | | | 3 | PRI_+ | | | 4 | PRI_- | | | 5 | SEC_+_1 | | | 6 | SEC_+_2 | | | 7 | SEC_-_1 | | | 8 | SEC_-_2 | | --- *Generated from [https://www.flux.ai/adrian95/poe70p-50ld](https://www.flux.ai/adrian95/poe70p-50ld)*