POE Transformers

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