WE-PoE+ Power over Ethernet Plus Transformer | Passive Components | Würth Elektronik Product Catalog

OverviewAll product units Product unitPassive Components Product groupPower Magnetics Product familyTransformers For DC/DC Converter Product seriesWE-PoE+ Power over Ethernet Plus Transformer

WE-PoE+ Power over Ethernet Plus Transformer

Size	Dimensions	3D	L (mm)	W (mm)	H (mm)	Mount
EFD20			23.11	-	-	SMT
EP13			13.46	17.75	12.7	SMT
EPW15			15.5	21.69	13.5	SMT

LTSpice files

LT
LTSpice_WE-PoE (rev24b).zip
|
84.5 KB

Characteristics

Designed to meet 30 W PoE+ objectives of IEEE802.3at
Frequency range: 250–400 kHz
Input voltage range: 36–72 V
1.5 kV Hipot test between primary and secondary
Operating temperature: –40 °C to +125 °C (incl. self-heating)

Reference Designs

RD022 GB PoE+-Ethernet-USB“ adapter for industrial use with an EMC perspective

Applications

PoE+ powered devices
IP Phones
WLAN Access Points
Security cameras

Application Notes

ANP113 Feedback loop compensation of a current-mode Flyback converter with optocoupler
PDF

Products

All

EFD20

EP13

EPW15

	Order Code	Datasheet	Simulation	Downloads	Status	Version	V_IN	V_Out1 (V)	I_Out1 (A)	V_Out2 (V)	I_Out2 (A)	V_Out3 (V)	I_Out3 (A)	L (µH)	n	V_T (V (AC))	Size	V_aux (V)	R_{DC 1} (Ω)	R_{DC 2} (Ω)	R_{DC 3} (Ω)	Mount	Samples
	750310059	SPEC	–	8 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB CAD files ZIP 3D 3D_070-4290 (rev1).PDF \| 46.8 KB IGS 070-4290 (rev1).IGS \| 2.4 MB STP Download_STP_070-4290_0169 (rev1).STEP \| 1.1 MB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Active Clamp Forward	36 - 72 V (DC)	5	6	–	–	–	–	29.2	8:1:3.5	1500	EFD20	17	0.75	0.0045	0.75	SMT
	750311320	SPEC	–	10 files EDA models: Components ZIP ALT Altium_MID-POETI (rev22a).IntLib \| 1.6 MB ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB CAD files ZIP 3D 3D_070-2381 (rev1).PDF \| 37.8 KB IGS Download_IGS_070-2381 (rev1).IGS \| 1.9 MB STP Download_STP_070-2381 (rev1).STEP \| 960.5 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Others ZIP WRL Download_WRL_070-2381 (rev1).wrl \| 109 KB Download all 10 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Active Clamp Forward	33 - 57 V (DC)	12	2.5	–	–	–	–	100	1.8:1:1	1500	EP13	12	0.21	0.035	0.58	SMT
	750310925	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EFD20 (rev1).igs \| 2.6 MB STP WE-PoE_Plus_EFD20 (rev1).stp \| 735.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	36 - 72 V (DC)	3.3	9	6.5	0.05	–	–	57	8:1:2:2	1500	EFD20	6.5	0.06	0.008	0.35	SMT
	749119433	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EFD20 (rev1).igs \| 2.6 MB STP WE-PoE_Plus_EFD20 (rev1).stp \| 735.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	36 - 72 V (DC)	3.3	9	–	–	–	–	42	11:1:3.3	1500	EFD20	11	0.099	0.0032	0.22	SMT
	749119450	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EFD20 (rev1).igs \| 2.6 MB STP WE-PoE_Plus_EFD20 (rev1).stp \| 735.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	36 - 72 V (DC)	5	6	–	–	–	–	65	7:1:3	1500	EFD20	15	0.116	0.004	0.23	SMT
	7491194501	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EFD20 (rev1).igs \| 2.6 MB STP WE-PoE_Plus_EFD20 (rev1).stp \| 735.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	36 - 72 V (DC)	5	6	–	–	–	–	42	7:1:2.25	1500	EFD20	12	0.084	0.005	0.17	SMT
	750310926	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EFD20 (rev1).igs \| 2.6 MB STP WE-PoE_Plus_EFD20 (rev1).stp \| 735.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	36 - 72 V (DC)	5	6	6.5	0.05	–	–	40	5:1:1.25:1.25	1500	EFD20	6.5	0.05	0.01	0.3	SMT
	7491194912	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EFD20 (rev1).igs \| 2.6 MB STP WE-PoE_Plus_EFD20 (rev1).stp \| 735.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	36 - 72 V (DC)	12	2.5	–	–	–	–	42	3:1:1	1500	EFD20	12	0.061	0.018	0.18	SMT
	750310927	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EFD20 (rev1).igs \| 2.6 MB STP WE-PoE_Plus_EFD20 (rev1).stp \| 735.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	36 - 72 V (DC)	12	2.5	–	–	–	–	112	3:1:0.5	1500	EFD20	6	0.15	0.05	0.07	SMT
	750310742	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EP13 (rev1).igs \| 2.2 MB STP WE-PoE_Plus_EP13 (rev1).stp \| 716.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	37 - 57 V (DC)	12	2.1	–	–	–	–	38	2:1:1.1	1500	EP13	12.5	0.085	0.025	0.155	SMT
	750310743	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EP13 (rev1).igs \| 2.2 MB STP WE-PoE_Plus_EP13 (rev1).stp \| 716.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	37 - 57 V (DC)	3.3	7.5	–	–	–	–	38	6.67:1:4	1500	EP13	12.7	0.1	0.003	0.182	SMT
	750310744	SPEC	–	9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB ZUK Download_Cadstar_WE-PoE-Plus (rev19a).zip \| 11.3 KB CAD files ZIP IGS WE-PoE_Plus_EP13 (rev1).igs \| 2.2 MB STP WE-PoE_Plus_EP13 (rev1).stp \| 716.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB PSP Pspice_WE-PoE-Plus (rev22a).zip \| 6.5 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	CCM Flyback	37 - 57 V (DC)	5	5	–	–	–	–	38	5:1:2.5	1500	EP13	12	0.1	0.0045	0.255	SMT
	750310167	SPEC		9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB CAD files ZIP 3D 3D_070-4275 (rev1).PDF \| 51.9 KB IGS Download_IGS_070-4275 (rev1).IGS \| 2.7 MB STP Download_STP_070-4275-0169 (rev1).STEP \| 1.3 MB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Others ZIP WRL Download_WRL_070-4275 (rev1).WRL \| 159.7 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Flyback	36 - 72 V (DC)	3.3	3	12	1.6	5	0.4	25	6.67:1:2.67:1.33:2.67	1500	EFD20	12	0.07	0.009	0.023	SMT
	750310346	SPEC		9 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB CAD files ZIP 3D 3D_070-4275 (rev1).PDF \| 51.9 KB IGS Download_IGS_070-4275 (rev1).IGS \| 2.7 MB STP Download_STP_070-4275-0169 (rev1).STEP \| 1.3 MB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Others ZIP WRL Download_WRL_070-4275 (rev1).WRL \| 159.7 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Flyback	36 - 72 V (DC)	12	2.5	–	–	–	–	100	3:1:1	1500	EFD20	12	0.085	0.025	0.245	SMT
	750314783	SPEC		8 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB CAD files ZIP IGS 070-5465 (rev1).IGS \| 1.9 MB STP 070-5465 (rev1).STEP \| 959.7 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Others ZIP WRL 070-5465 (rev1).wrl \| 110.5 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Flyback	48 - 57 V (DC)	5	7	–	–	–	–	26	4.5:1:2.5	2400	EP13	12	0.094	0.007	0.233	SMT
	750316116	SPEC		7 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB CAD files ZIP 3D 3D_070-5899 (rev1).PDF \| 51 KB STP Download_STP_070-5899 (rev1).STEP \| 1.3 MB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Flyback	41 - 57 V (DC)	12	4	–	–	–	–	18	2:1:1	1500	EFD20	12	0.02	0.011	0.066	SMT
	750316331	SPEC		8 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB CAD files ZIP IGS Download_IGS_070-6782 (rev1).IGS \| 2.4 MB STP Download_STP_070-6782 (rev1).STEP \| 1.1 MB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Others ZIP WRL Download_WRL_070-6782 (rev1).wrl \| 416.9 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Flyback	36 - 57 V (DC)	3.3	8	–	–	–	–	54	8:1:3.67	1500	EPW15	12	0.12	0.01	0.125	SMT
	750316332	SPEC		8 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB CAD files ZIP IGS Download_IGS_070-6782 (rev1).IGS \| 2.4 MB STP Download_STP_070-6782 (rev1).STEP \| 1.1 MB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Others ZIP WRL Download_WRL_070-6782 (rev1).wrl \| 416.9 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Flyback	36 - 57 V (DC)	5	6	–	–	–	–	48	5:1:2.2	1500	EPW15	12	0.065	0.01	0.14	SMT
	750316333	SPEC PCN pending Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. SPEC Datasheet valid to 18/12/2025 SPEC Datasheet valid from 19/12/2025		8 files EDA models: Components ZIP ALT Altium_WE-PoE PLUS (rev24a).IntLib \| 795.5 KB CDS Cadence_WE-POE+ (rev24a).zip \| 5 MB EAG Eagle_WE-POE-Plus (rev24a).lbr \| 125.9 KB CAD files ZIP IGS Download_IGS_070-6782 (rev1).IGS \| 2.4 MB STP Download_STP_070-6782 (rev1).STEP \| 1.1 MB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Others ZIP WRL Download_WRL_070-6782 (rev1).wrl \| 416.9 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Flyback	36 - 57 V (DC)	12	3	–	–	–	–	41	2.67:1:1	1500	EPW15	12	0.05	0.02	0.089	SMT

	Order Code	Datasheet	Simulation
	750310059	SPEC	–
	750311320	SPEC	–
	750310925	SPEC	–
	749119433	SPEC	–
	749119450	SPEC	–
	7491194501	SPEC	–
	750310926	SPEC	–
	7491194912	SPEC	–
	750310927	SPEC	–
	750310742	SPEC	–
	750310743	SPEC	–
	750310744	SPEC	–
	750310167	SPEC
	750310346	SPEC
	750314783	SPEC
	750316116	SPEC
	750316331	SPEC
	750316332	SPEC
	750316333	SPEC PCN pending Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. SPEC Datasheet valid to 18/12/2025 SPEC Datasheet valid from 19/12/2025

Samples

	Order Code	Datasheet	Simulation	Downloads	Status	Version	V_IN	V_Out1 (V)	I_Out1 (A)	V_Out2 (V)	I_Out2 (A)	V_Out3 (V)	I_Out3 (A)	L (µH)	n	V_T (V (AC))	Size	V_aux (V)	R_{DC 1} (Ω)	R_{DC 2} (Ω)	R_{DC 3} (Ω)	Mount	Samples

Products of interest

WE-PoEH Power over Ethernet High Power Transformer

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Overview-Power Magnetics
PDF

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