Datasheet 3D Model

Flyback Transformers

for Microchip Grid-Connected Solar Micro Inverter

Developed for Microchip for their Grid-Connected Solar Microinverter using dsPIC
For 220 Vac applications, KA4823-BL has been replaced by KA4823-CL, which has a higher SRF and higher efficiency.
Listed on Bill of Material for Reference Design AN1338

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计数	单价
1	$18.71
100	$16.04
500	$11.58
1000	$10.07
2500	$8.65
5000	$7.91

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典型应用

与Microchip AN1338一起使用

零件号	输入电压	输出	Fsw
JA4635-AL	22 V — 55 V	110 V	150 kHz
KA4823-CL	22 V — 55 V	220 V	150 kHz

规格

Electrical specifications at 25°C.

零件号 1 (Hover for schematics)	0A时的电感 (µH) (公差: ±10%)	Isat (A) 2	DCR max 3		最大漏电感 (µH) 4	匝数比 5	隔离电压 (Vrms) 6
零件号 1 (Hover for schematics)	0A时的电感 (µH) (公差: ±10%)	Isat (A) 2	Pri (Ω)	Sec (mΩ)	最大漏电感 (µH) 4	Pri : Sec	隔离电压 (Vrms) 6
JA4635-AL	28	10.5	0.008	106.000	0.138	1 : 6	3000
KA4823-CL	28	10.5	0.008	472.000	0.115	1 : 12	3000

注释

Inductance is measured at 150 kHz, 0.1 Vrms.
DC current at which the inductance drops 10% (typical) from its value without current.
DCR is with the secondary windings connected in parallel.
Leakage inductance is for the three windings of the primary with the secondary windings shorted.
Turns ratios are with the primary and secondary windings connected in parallel.
3000 Vrms, one minute primary to secondary isolation.

端子:

RoHS-compliant. Tin-silver (96.5/3.5) over tin cover copper-plated steel wire terminations.

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.
Tray 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

物理特性

一般规格

核心材料:

Ferrite

重量:

94.3 g

包装:

20 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. See Doc787_PCB_Washing.pdf.

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