FCT1-xxM22SL Forward Mode Transformers

for 25 Watt PoE Applications

Designed for forward topology operating at 250 kHz; Input voltage range: 33 – 57 V
Three versions for 3.3, 5.0 and 12 Volt output
Bias winding output: 12 V, 20 mA

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零件号

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计数	单价
1	$3.48
175	$2.99
700	$2.59
1400	$2.26
2800	$1.94
5000	$1.78

对于大批量采购或非库存产品，点击这里请求报价。

Packaging

D = 13" machine-ready reel

. 现货，可今天发货.

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零件号

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规格

Electrical specifications at 25°C.

零件号 1 (Hover for schematics)	功率 (W)	输入电压 (V)	最小电感 (µH) 2	DCR max (mΩ) 4			最大漏电感 (µH) 5	匝数比 6	频率 (kHz)	隔离电压 (Vrms)	次级输出 (V, A) 7
零件号 1 (Hover for schematics)	功率 (W)	输入电压 (V)	最小电感 (µH) 2	Pri	Sec	Aux	最大漏电感 (µH) 5	Pri : Sec : Aux	频率 (kHz)	隔离电压 (Vrms)	次级输出 (V, A) 7
FCT1-120M22SL_	25	33 — 57	90	150	62.5	352	0.725	1 : 0.53 : 0.53	250	1500	12 V , 2 A
FCT1-33M22SL_	25	33 — 57	90	115	8.0	347	1.440	1 : 0.16 : 0.63	250	1500	3.3 V , 7.2 A
FCT1-50M22SL_	25	33 — 57	90	144	18.0	298	0.880	1 : 0.25 : 0.53	250	1500	5 V , 4.8 A

注释

When ordering, please specify a packaging code: FCT1-50M22SLD
Inductance is measured at 250 kHz, 0.1 Vrms, 0 Adc.
1500 Vrms isolation from primary and bias to secondary.
DCR for the secondary is measured with the windings connected in parallel.
Leakage inductance is for the primary and is measured with the secondary shorted.
Turns ratio is with the secondary windings connected in parallel.
Output is with the secondary windings connected in parallel. Bias winding output is 12 V, 20 mA.

端子:

RoHS-compliant. 260°C compatible. Tin-silver over tin over nickel over phos bronze terminations. Other terminations available at additional cost.

包装:

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.

环境

环境:

符合RoHS

环境温度范围:

–40°C to +85°C

储存温度范围:

Component: –40°C to +85°C.
Tape and reel packaging: –40°C to +80°C

故障率（FIT）/平均故障间隔时间（MTBF）:

See FIT/MTBF Calculations

原理图

Secondary windings to be connected
in parallel on the PC board.

物理特性

卷装规格

Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)						Orientation
13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
175	330	100	13	38,4	32,4	32	28	4	2	12,93	0,5

一般规格

核心材料:

Ferrite

重量:

6.5 – 6.7 g

包装:

175 per 13″ reel Plastic tape: 32 mm wide, 0.5 mm thick, 28 mm pocket spacing, 12.93 mm pocket depth

焊接/清洗

湿气敏感度等级（MSL）:

1 (unlimited floor life at <30°C / 85% relative humidity)

抗焊接热:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

焊接之前，请参阅焊接线艺元件。

PCB清洗:

Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf.

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