13W, 3.3Vout, Power Transformers (EFD15)
Power Over Ethernet, DC/DC Converter
HALO Electronics offers a broad line of power transformers designed for fly-back DC/DC
converters used in Power over Ethernet (PoE) applications. These industrial temperature
range transformers are UL recognized and are fully compliant to IEEE802.3af require-
ments for isolation and power ratings. This standard series is LEAD-free and RoHS
compliant. Please contact your nearest HALO representative for custom designs.
MECHANICALꢀDIMENSIONS
PACKAGEꢀA
PACKAGEꢀB
DIMENSIONS: Inch [mm]
TOLERANCES: 0.006 inch if not specified
SCHEMATICꢀB
SCHEMATICꢀA
Electrical Specifications @ 25 °C
Isolation Voltage (PRI – SEC):
Operating Temp:
1,500Vrms
-40 to +85 °C
ꢀ
TurnsꢀRatioꢀ
DCRꢀ(mΩꢀmax)ꢀꢀ PRIꢀOCLꢀ PRIꢀLLꢀ PKG/ꢀ
ICꢀ
PartꢀNumberꢀ
TGP13-S004EFD15LF
TGP13-S008EFD15LF
PRI:BIAS:SEC:DRVꢀPRI/BIAS/SEC/DRVꢀ(µHꢀ±10%)ꢀ (µHꢀMax)ꢀSCHE.ꢀ P/N
1:0.208:0.083
1: 0.500:0.167
520/400/10
150/400/10
145
33
5
1
2
A
A
B
LTC4267
LM5072
TGP13-S012EFD15LF 1:0.500:0.150:0.275
520/760/20/400
160
TPS23750
HALO Electronics • 2880 Lakeside Drive, Suite 116 • Santa Clara, CA 95054 • PH: 650-903-3800
www.haloelectronics.com • info@haloelectronics.com • This Datasheet: poe-power-transformers.pdf Rev. 9/12