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FCT1-120D3SL Datasheet Preview

FCT1-120D3SL Datasheet

Forward-Mode Transformers

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Document 574 -1
Forward-Mode Transformers For30Watt
Telecommunications
• Designed to meet 30 W PoE IEEE 802.3at-2009 standard.
• Operates at 250 kHz with 36 – 72 Volts input.
• 1500 Vrms, one minute isolation, primary and bias to secondary
• Bias winding output: 12 V; sync winding output: 5 V
Core material Ferrite
Terminations  RoHS tin-silver over tin over nickel over phos bronze.
Other terminations available at additional cost.
Weight  10.1 – 10.7 g
Ambient temperature  –40°C to +125°C
Storage temperature  Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat  Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL)  1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging  175 per 13reel  Plastic tape:  44 mm wide, 0.4 mm thick,
32 mm pocket spacing, 12.0 mm pocket depth
PCB washing  Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Part Inductance 2 DCR max (mOhms)3 inLdeuacktaagnec e4 Turn s ratio5 Recoomutmpuent ded
number1 min (µH) pri     sec   bias   sync max (µH) pri : sec  pri : bias  pri : syncOutput inductor6
FCT1-33D3SL_ 72.9
FCT1-50D3SL_ 72.9
FCT1-120D3SL_ 72.9
FCT1-195D3SL_ 72.9
FCT1-240D3SL_ 72.9
27.5 5.0
27.5 10.0
27.5 28.5
27.5 32.0
27.5 72.5
250 160
250 160
250 160
235 120
235 120
0.425 1 : 0.33 1 : 1 1 : 0.56 3.3 V, 9 A SER2013-472
0.420 1 : 0.44 1 : 1 1 : 0.56 5 V, 6 A SER1360-103
0.175 1 : 1 1 : 1 1 : 0.56 12 V, 2.5 A MSS1278-563
0.235 1 : 1.44 1 : 0.88 1 : 0.44 19.5 V, 1.55 A MSS1278-154
0.235 1 : 1.78 1 : 0.88 1 : 0.44 24 V, 1.25 A MSS1278-224
1. When ordering, please specify termination and packaging codes:
FCT1-240D3SLD
Termination: L = RoHS tin-silver over tin over nickel over phos bronze.
Special order: T = RoHS tin-silver-copper (95.5/4/0.5)
or S = non-RoHS tin-lead (63/37).
Packaging: D = 13machine-ready reel. EIA-481 embossed plastic
tape (175 parts per full reel).
B = Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge), use
code letter D instead.
2. Inductance is measured at 250 kHz, 0.2 Vrms, 0 Adc.
3. DCR for the primary and secondary is with the windings connected in
parallel.
4. Leakage inductance is for the primary windings with the secondary
windings shorted.
5. Turns ratio is with the primary windings and the secondary windings
connected in parallel.
6. These inductors are recommended for 30% ripple current. Ripple less
than 30% may require the use of physically larger inductors. Allowing
higher ripple current to make use of smaller inductors may create a risk
of discontinuous output current.
7. Operating temperature range –40°C to +125°C.
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
1
2
Pri
4
3
5
Bias
6
11
12
Sec
10
9
8
Sync
7
The primary windings and the
secondary windings are to be
connected in parallel on the
PC board.
Output
inductor
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 574-1  Revised 12/13/16
© Coilcraft Inc. 2017
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.




Coilcraft

FCT1-120D3SL Datasheet Preview

FCT1-120D3SL Datasheet

Forward-Mode Transformers

No Preview Available !

Forward-Mode Transformers – 30 Watts
Dot indicates pin 1
1
0.810
20,57
max
Internal code
12
Current production parts have a
metal cover. Previous production
had a non-metal cover.
Dimensions are the same.
67
1.181
30,00
max
0.450
11,43
max
0.084
2,13
6
0.969
24,6
0.827
21,0
1
Dimensions
are in
inches
mm
0.004 /0,10
0.028
7 0,72
12 0.118
3,0
0.130
3,30
1
0.930
23,62
Recommended
Land Pattern
0.050
1,27
0.118
3,0
Document 574-2
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 574-2  Revised 12/13/16
© Coilcraft Inc. 2017
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.


Part Number FCT1-120D3SL
Description Forward-Mode Transformers
Maker Coilcraft
Total Page 2 Pages
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