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FA2898-AL

更新时间： 2024-01-12 07:50:07
品牌 Logo 应用领域
线艺 - COILCRAFT 变压器SMPS变压器
页数 文件大小 规格书
1页 180K
描述
Flyback Transformers

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FA2898-AL 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active包装说明：ROHS COMPLIANT
Reach Compliance Code：compliantECCN代码：EAR99
风险等级：5.58Is Samacsys：N
高度：11.43 mm最大输入电压：57 V
最小输入电压：18 V长度：30 mm
安装特点：SURFACE MOUNT初级绕组数量：2
次级绕组数量：1最大工作频率：250 kHz
最高工作温度：125 °C最低工作温度：-40 °C
输出电压 1：5 V物理尺寸：L30.0XB20.57XH11.43 (mm)
初级电感：50 µH表面贴装：YES
端子面层：Tin/Silver - Tin - with Nickel barrier变压器类型：SMPS TRANSFORMER
宽度：20.57 mmBase Number Matches：1

FA2898-AL 数据手册

  
Document 592  
For National Semiconductor  
Flyback Transformers LM5072 High Power PD  
• Designed for 25 Watt PoE application  
• Input range from 18 to 57 V  
• Primary to secondary isolation: 1500 Vrms  
• Auxiliary winding output: 11 V, 20 mA  
Core material Ferrite  
Terminations RoHS compliant tin-silver over tin over nickel over  
phos bronze. Other terminations available at additional cost.  
Weight 13.6 – 13.9 g  
Ambient temperature –40°C to +125°C  
Storage temperature Component: –40°C to +125°C.  
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 Only pure water or alcohol recommended  
DCR max (mOhms)4  
Turnsratio6  
pri:sec pri:aux  
Part  
L at 0 A2  
L at Ipk3  
Leakage  
L (µH)5  
Ipk3  
(A)  
number1  
±10% (µH) min (µH)  
pri  
sec  
aux  
Output7  
FA2677-AL_  
FA2898-AL_  
FA2899-AL_  
FA2900-AL_  
FA2901-AL_  
50  
50  
50  
50  
50  
40.8  
40.8  
40.8  
40.8  
40.8  
26  
26  
26  
26  
26  
2.6  
4.0  
13  
20  
37  
328  
315  
315  
315  
305  
2.20  
1.05  
0.473  
0.409  
0.381  
1:0.12  
1:0.18  
1:0.35  
1:0.47  
1:0.59  
1:0.41  
1:0.41  
1:0.41  
1:0.41  
1:0.41  
2.9 3.3 V, 7.5 A  
2.9 5 V, 5 A  
2.9 9 V, 2.8 A  
2.9 12 V, 2.1 A  
2.9 15 V, 1.7 A  
1. When ordering, please specify a packaging code:  
FA2898-ALD  
3. Ipk is the peak current drawn at minimum input voltage.  
4. DCR for the primary and the secondary is with windings connected in  
parallel.  
5. Leakage inductance measured on the primary windings with all  
secondary pins shorted.  
Packaging: D = 13″ machine ready reel. EIA-481 embossed plastic  
tape (175 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.  
6. Turns ratios are with the primary windings and the secondary windings  
connected in parallel.  
7. Output is with the secondary windings connected in parallel.  
8. Electrical specifications at 25°C.  
2. Inductance is for the primary, measured at 250 kHz, 0.7 Vrms, 0 Adc.  
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.  
Dot indicates pin 1  
0.028  
0,711  
12  
11  
10  
0.050  
1,27  
1
12  
1
1
2
0.810  
20,57  
Recommended  
Land Pattern  
max  
Pri  
Sec  
FA2677-AL  
4
3
5
7
8
9
6
7
0.118  
3,0  
0.130  
3,30  
0.930  
23,62  
1.181  
max  
0.118  
3,0  
30,00  
Aux  
6
0.450  
11,43  
max  
The primary windings and the secondary  
windings are to be connected in parallel  
on the PC board.  
0.004/0,10  
0.827  
21,00  
0.969  
24,60  
0.080  
2,03  
inches  
mm  
Dimensions are in  
Specifications subject to change without notice.  
Please check our website for latest information.  
Document592 Revised10/29/08  
© Coilcraft, Inc. 2009  
1

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