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POE300F-19LD PDF预览

POE300F-19LD

更新时间： 2024-09-17 12:13:03
品牌 Logo 应用领域
线艺 - COILCRAFT 变压器
页数 文件大小 规格书
2页 83K
描述
Flyback Transformers

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POE300F-19LD 数据手册

 浏览型号POE300F-19LD的Datasheet PDF文件第2页 
Document 522-1  
For 30 Watt  
PoE Applications  
Flyback Transformers  
• 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  
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.  
Inductance Inductance  
Leakage  
at0A2  
at Ipk3  
inductance5  
Ipk3  
(A)  
DCR max (Ohms)  
Turns ratio6  
Part  
number1  
±±0ꢀ(µH)  
min (µH)  
pri4  
sec4  
aux  
max (µH) pri:sec pri:aux  
Output7  
POE300F-33L_  
POE300F-50L_  
POE300F-12L_  
POE300F-19L_  
POE300F-24L_  
42.0  
42.0  
42.0  
42.0  
42.0  
37.8  
37.8  
37.8  
37.8  
37.8  
0.070 0.0023 0.220  
0.069 0.0050 0.225  
3.00  
1.60  
0.545  
0.430  
0.310  
1:0.09  
1:0.14  
1:0.33  
1:0.56  
1:0.67  
1:0.33  
1:0.33  
1:0.33  
1:0.33  
1:0.33  
2.6  
2.6  
2.6  
3.3V, 9A  
5V, 6A  
12V, 2.5A  
0.061 0.015  
0.060 0.037  
0.060 0.055  
0.195  
0.195  
0.195  
2.6 19.5V, 1.5A  
2.6 24V, 1.25A  
1. When ordering, please specify packaging code:  
POE300F-50LD  
12  
11  
10  
1
2
Packaging: D = 13″ machine-ready reel. EIA-481 embossed plastic  
Pri  
Sec  
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.  
9
8
7
4
3
5
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.  
Aux  
6
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  
The primary windings and the secondary  
windings to be connected in parallel on  
the PC board.  
8. Electrical specifications at 25°C.  
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.  
Document 522-1 Revised 03/15/12  
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  
© 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.  
12

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