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POE300F-33LB Datasheet(PDF) 1 Page - Coilcraft lnc.

Part # POE300F-33LB
Description  Flyback Transformers
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Manufacturer  COILCRAFT [Coilcraft lnc.]
Direct Link  http://www.coilcraft.com
Logo COILCRAFT - Coilcraft lnc.

POE300F-33LB Datasheet(HTML) 1 Page - Coilcraft lnc.

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US
UK
Taiwan
China
Singapore
+1-847-639-6400 sales@coilcraft.com
+44-1236-730595 sales@coilcraft-europe.com
+886-2-2264 3646 sales@coilcraft.com.tw
+86-21-6218 8074 sales@coilcraft.com.cn
+ 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2013
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.
Flyback Transformers
Document 522 -1
Document 522-1 Revised 03/15/12
1. When ordering, please specify
packaging code:
POE300F-50LD
Packaging: D = 13
″ machine-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 for the primary, measured at 250 kHz, 0.7 Vrms, 0 Adc.
3. Peak primary current drawn at minimum input voltage.
4. DCR is with the windings connected in parallel.
5. Leakage inductance is for the primary winding with the secondary wind-
ings shorted.
6. Turns ratio is with the primary and the secondary windings connected in
parallel.
7. Output is with the secondary windings connected in parallel. Output of
the auxiliary winding is 12 V
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Inductance Inductance
Leakage
Part
at 0 A2
at Ipk3
DCR max (Ohms)
inductance5
Turns ratio6
Ipk3
number1
±10% (µH)
min (µH)
pri4
sec4
aux
max (µH)
pri :sec pri :aux
(A)
Output7
POE300F-33L_
42.0
37.8
0.070
0.0023
0.220
3.00
1 :0.09
1 :0.33
2.6
3.3V, 9 A
POE300F-50L_
42.0
37.8
0.069
0.0050
0.225
1.60
1 :0.14
1 :0.33
2.6
5V, 6 A
POE300F-12L_
42.0
37.8
0.061
0.015
0.195
0.545
1 :0.33
1 :0.33
2.6
12V, 2.5 A
POE300F-19L_
42.0
37.8
0.060
0.037
0.195
0.430
1 :0.56
1 :0.33
2.6
19.5V, 1.5 A
POE300F-24L_
42.0
37.8
0.060
0.055
0.195
0.310
1 :0.67
1 :0.33
2.6
24V, 1.25 A
1
2
3
4
9
8
7
12
11
10
Aux
Pri
Sec
6
5
The primary windings and the secondary
windings to be connected in parallel on
the PC board.
Designer’s Kit C398 contains three samples of each part.
Core material Ferrite
Terminations RoHS tin-silver over tin over nickel over phos bronze.
Other terminations available at additional cost.
Weight 11.9 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 13
″ reel Plastic tape: 44 mm wide, 0.4 mm thick,
32 mm pocket spacing, 11.9 mm pocket depth
PCB washing Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf.
• Designed to meet 30 W PoE IEEE 802.3at-2009 standard.
• Operates at 250 kHz with 36–72 Volts input.
• Isolation: 1500 Vrms, one minute pri to sec; 500 Vrms pri to aux
For 30 Watt
PoE Applications


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