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Cx Family Common Mode Chokes
0402CT Low Profile Chip Inductors
XAL7050 High-inductance Shielded Power Inductors
XGL4020 Ultra-low DCR Power Inductors

RA7040-AL

符合RoHS

有关该元件的更多信息和规格。

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典型应用

与Texas Instruments UCC2897一起使用

输入电压 输出 1 功率
Sec Aux
48 V 60 V 12 V , 13 A 12 V 150 W

规格

Electrical specifications at 25°C.

零件号
(Hover for schematics)
0A时的
电感 (µH) 2
(公差: ±20%)
DCR max (mΩ) 3 最大
漏电感
(µH) 4
匝数比 电压-时间
乘积 (V-µs) 5
隔离
电压 (Vrms) 6
Pri Sec Aux Pri : Sec : Aux
RA7040-AL 50 10.75 4.25 61.10 0.55 1 : 0.5 : 0.5 100 1500
注释
  1. Output is of the secondary winding frmo pins 11 – 8. Output of the aux winding is 12 V.
  2. Inductance is for the primary, measured on Agilent/HP 4284A at 200 kHz, 0.5 Vrms, 0 Adc with primary windings connected in parallel.
  3. DCR for the primary is measured with the windings connected in parallel. DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  4. Leakage Inductance is for the primary, measured at 200 kHz, 0.5 Vrms, 0 Adc with primary windings connected in parallel and all secondary pins shorted.
  5. Volt-time product is based on primary windings connected in parallel.
  6. 1500 Vrms, one minute isolation hipot) from primary to secondary.

端子:

  • RoHS-compliant  260°C compatible. Matte tin over nickel over brass.
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
Tray packaging: –40°C to +80°C
最高元件温度:
+165°C (ambient + temp rise)
故障率(FIT)/平均故障间隔时间(MTBF):

原理图

ra7040s.gif

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

物理特性

ra7040d.gif

dims_inches_mm.gif

一般规格

核心材料:
Ferrite
重量:
12.7 g
包装:
36 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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