Datasheet 3D Model

TA7818-AL flyback transformer

for Microsemi PD70211 PD Controller

Selected for the Microsemi PD70211EVB51F-12 evaluation board.
Designed for 51 W PoE++ IEEE 802.3at-2009 applications.

立即购买:

计数	单价
1	$5.32
240	$4.57
480	$3.97
1200	$3.46
2400	$2.97
4800	$2.71

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. 现货，可今天发货.

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典型应用

与Microsemi PD70211 一起使用

输入电压	输出 1		功率	Fsw
输入电压	Sec	Aux	功率	Fsw
36 V — 57 V	12 V , 4.25 A	13 V , 0.03 A	51 W	10 kHz

规格

Electrical specifications at 25°C.

零件号 (Hover for schematics)	0A时的电感 (µH) 2 (公差: ±10%)	最小电感 5 A (µH)	DCR max 3			最大漏电感 (µH) 4	匝数比 5	隔离电压 (Vrms) 6
零件号 (Hover for schematics)	0A时的电感 (µH) 2 (公差: ±10%)	最小电感 5 A (µH)	Pri (Ω)	Sec (mΩ)	Aux (mΩ)	最大漏电感 (µH) 4	Pri : Sec : Aux	隔离电压 (Vrms) 6
TA7818-AL	24.0	22.0	0.024	8.000	130.000	0.3	1 : 0.5 : 0.6	1500

注释

Output is with the secondary windings connected in parallel. Output of the auxiliary winding is 13 V, 30 mA
Inductance is for the primary, measured at 10 kHz, 0.1 Vrms, 0 Adc.
DCR is with the windings connected in parallel.
Leakage inductance is for the primary winding, measured with all other pins shorted.
Turns ratio is with primary windings connected in parallel and secondary windings connected in parallel.
1500 Vrms isolation, one minute pri to sec; 500 Vrms pri to aux; 1000 Vrms all windings to the core.

端子:

RoHS-compliant 260°C compatible. Tin-silver-copper over tin over nickel over phos bronze.

环境

环境:

符合RoHS

环境温度范围:

–40°C to +125°C

储存温度范围:

Component: –40°C to +125°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

The primary windings and the secondarty
windings to be connected in parallel on
the PC board.

物理特性

一般规格

核心材料:

Ferrite

重量:

25.4 g

包装:

24 parts per tray

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 to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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