POE Transformers NLTM Series FEATURES • Flyback Transformers for 13W POE Applications • 3 Output Voltages available 3.3V, 5V and 12V • WIDE TEMPERATURE (-40°C ~ +105°C) • SMALL SIZE, LOW PROFILE (12.3MM MAX. HEIGHT) • SMT GULL-WING TERMINATIONS • 260°C Reflow Compliant RoHS Compliant includes all homogeneous materials SPECIFICATIONS TABLE Part Numbers Electriclal Specifications Windings Item NLTM1813EPH3R3FLBTRF NLTM1813EPH5R5FLBTRF NLTM1813EPH120FLBTRF Primary - N1 : (T3 ~ T4) 24 Turns (UEW-F φ 0.28) 24 Turns (UEW-F φ 0.28) 24 Turns (UEW-F φ 0.28) Secondary - N2 : (T7, 8 ~ T9, 10) 4 Turns (UEW-F φ 0.40*2P) 6 Turns (UEW-F φ 0.35*2P) 12 Turns (UEW-F φ 0.28*2P) Primary - N3 : (T3 ~ T4) 24 Turns (UEW-F φ 0.28) 24 Turns (UEW-F φ 0.28) 24 Turns (UEW-F φ 0.28) Primary - N4 : (T2 ~ T1) 12 Turns (UEW-F φ 0.20) 12 Turns (UEW-F φ 0.20) 12 Turns (UEW-F φ 0.20) Turns Ratio N1 (N3) : N2:N4 (no gap core) 6:1:3 ±5% @ 100KHz, 1.0V 4:1:1 ±5% @ 100KHz, 1.0V 2:1:1 ±5% ~ 100KHz, 1.0V Inductance (T3 ~ T4) @ 250KHz, 0.2V 127μH ± 10% 127μH ± 10% 127μH ± 10% LK Inductance (T3 ~ T4) 250KHz, 0.2V shorted other pins 3.50μH max. 2.50μH max. 1.50μH max. DCR (T3 ~ T4) @ +25°C 0.255Ω max. 0.222Ω max. 0.199Ω max. DCR (T2 ~ T1) @ +25°C 0.310Ω max. 0.348Ω max. 0.308Ω max. DCR (T7, 8 ~ T9, 10) @ +25°C tie pin 7+8, 9+10 0.024Ω max. 0.039Ω max. 0.129Ω max. Hi-Pot (Primary ~ Secondary) No Breakdown 1.5KVAC, 1mA for 2 seconds Hi-Pot (Coil to Core) No Breakdown 1.5KVAC, 1mA for 2 seconds PART NUMBERING SYSTEM NLTM 1813 EP H 3R3 FLB TR F Series RoHS compliant Tape & Reel Packaging Flyback Topology Voltage Rating Horizontal Mount Core Type Case Size (L x H) in mm ® NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com Specifications are subject to change www.SMTmagnetics.com 1 POE Transformers NLTM Series COMPONENT MATERIALS Item Sub. Part Manufacturer Material Type UL# 1 Core TDG Holding Co., Ltd. TP4 EP13 n/a 2 Bobbin Sumitomo Bakelite Co., Ltd. PM9630 EP13 E41429 3 Wire Elektrisola Hangzhou Co., Ltd. P155 see specifications table E258243 Tape Jingjiang Yahua Pressure Sensitive Glue Co., Ltd. Kapton Tape PF-301 E165111 4 5 Solder Huajun Metal Products Co., Ltd. Sn99.3%, Cu0.7% HB07H n/a 6 Varnish Elantas Electrical Insulation Elantas Pdg Inc. Epoxy Resin BC-359 E317427 DIMENSIONS TABLE Item Dimension (mm) A 13.5 max. B 17.8 max. C 12.3 max. D 2.54 ± 0.25 E 0.40 typ. F A C E 1 5 B D 0.70 typ. F 1 5 1 5 Marking YYWW 6 10 6 10 Circuit Schematic 3 7 N1 8 4 2 N4 N2 10 1 9 3 N3 4 ® 2 NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com Specifications are subject to change www.SMTmagnetics.com POE Transformers NLTM Series CARRIER TAPE DIMENSIONS (mm) 4.0±0.10 23.0±0.20 2.0±0.10 φ1.50±0.10 31.0 +0.3/-0.1 REEL DIMENSIONS (mm) QTY: 200 PIECES/REEL 36.5 φ330 φ13.5 φ100 31.5 ® Cover Tape NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com Specifications are subject to change www.SMTmagnetics.com 3