Power over Ethernet Magnetics

Power over Ethernet (PoE) has been widely used to deliver power and data over a single cable to devices such as security and surveillance cameras, video IP phones, public Wi-Fi hotspots, smart home appliances, etc. As new applications and the next generation of powered devices (PD) are emerging from the PoE market, PoE Standards are evolving to meet the requirement for higher power, up to 71W PD input power. Coilcraft’s PD power transformers are perfect solutions to meet the demands of these applications and provide the regulated output voltage with the desired power level and isolation.

For the signal path at the Ethernet line side, isolation transformers and common mode chokes for both the transmit and receive sections are incorporated into a single package. The center-tapped 1:1 transformers are used for injecting current, and common mode chokes are used to filter out EMI.

PoE Standards Overview

PSE Output Power	15.4W	30W	45W	60W	75W	90W
PD Input Power	13W	25.5W	40W	51W	62W	71W
Type1	802.3af Class 0 - 3
Type 2	Class 0- 3	802.3at Class 4
Type 3	Class 0 - 3	Class 4	802.3bt Class 5 - 6
Type 4	Class 0 - 3	Class 4	Class 5	Class 6	802.3bt Class 7 - 8

 

High Power Signal Path PoE Magnetics

Application	Part Number	Power	Cabling
Ethernet transformer Module	WA8704-ALD	150W	4 pair
	ETH1-460L	60W/120W	4 pair
	ETH1-230L	30W/60W	2 pair
	HPF2187L and HPX2126L	30W	2 pair
Midspan power inject choke	FA2536-AL	30W	2 pair

 

Power Converter transformers for PoE PDs

IEEE 802.3bt and Extended Power

Limited pre-production samples available upon request. Ask us about availability of production quantities.
 

	Vout
PD Input power	3.3V	5V	12V	24V	48V
40W (Flyback)	POE40Q-33E (EPQ13)	POE40Q-50E (EPQ13)	POE40Q-12E (EPQ13)	POE40Q-24E (EPQ13)	POE40Q-48E (EPQ13)
40W (Flyback/Forward)	POE33PR-33E (EPQ13)	POE35PR-50E ​(EPQ13)	POE36PR-12E POE38PR-12E ​(EPQ13)
51W (Flyback)	POE51Q-33E (EPQ13)	POE51Q-50E ​(EPQ13)	POE51Q-12E ​(EPQ13)	POE51Q-24E ​(EPQ13)	POE51Q-48E ​(EPQ13)
51W (Forward)	POE53PR-33E ​(EPQ13)
62W (Flyback)	POE62F-33E ​(EFD20)	POE62F-50E ​(EFD20)	POE62F-12E ​(EFD20)	POE62F-24E ​(EFD20)	POE62F-48E ​(EFD20)
62W (Active Clamp Forward)	POE600F-33L (EFD20)	POE600F-50L ​(EFD20)	POE600F-12L ​(EFD20)	POE600F-24L ​(EFD20)
71W (Flyback)	POE71F-33E ​(EFD20)	POE71F-50E ​(EFD20)	POE71F-12E ​(EFD20)	POE71F-24E ​(EFD20)	POE71F-48E ​(EFD20)
71W (Forward)		POE70PR-50E ​(EPQ13)	POE72PR-12E ​(EPQ13)
120W (Active Clamp Forward)	POE120PL-33L	POE120PL-50L	POE120PL-12L	POE120PL-24L

IEEE 802.3at (PoE+)

	Vout
PD Input power	3.3V	5V	12V	19.5V	24V
25W (Flyback)*	POE21PR-33E POE23PR-33E {EPQ13)	POE22PR-50E POE30PR-50E ​{EPQ13)	POE24PR-12E ​{EPQ13)
25W (Forward)	FCT1-33M22SL (EP13)	FCT1-50M22SL (EP13)	FCT1-120M22SL (EP13)
30W (Flyback)	POE300F-33L (EFD20)	POE300F-50L ​(EFD20)	POE300F-12L ​(EFD20)	POE300F-19L ​(EFD20)	POE300F-24L ​(EFD20)
30W (Forward)	FCT1-33D3SL (EFD20)	FCT1-50D3SL ​(EFD20)	FCT1-120D3SL ​(EFD20)	FCT1-195D3SL ​(EFD20)	FCT1-240D3SL ​(EFD20)

* Note: parts can be configured as one high-power output or two lower-power outputs.

IEEE 802.3af (PoE)

	Vout
PD Input power	3.3V	5V	12V	19.5V	24V
3W (Flyback)	POE30P-33L	POE30P-50L	POE30P-12L
6W (Flyback)	POE60F / POEC/D-33L	POE60F / POEC/D-50L	POE60F / POEC/D-12L
7W (Flyback)	POE70P-33L	POE70P-50L	POE70P-12L
13W (Flyback)	POE13P-33L	POE13P-50L	POE13P-12L	POE13P-19L	POE13P-24L
13W (Flyback)	POE13F-33L	POE13F-50L	POE13F-12L	POE13F-19L	POE13F-24L