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XGL4020 Ultra-low DCR Power Inductors

MA5237 Flyback Transformer

for Maxim MAX5941B PWM Controller

符合RoHS
  • Improved version of the MA5237-AL with lower leakage inductance and better winding parasitics
  • Flyback transformer developed for Maxim for the MAX17498B Evaluation Kit
立即购买:
计数 单价
1 $5.00
200 $4.83
600 $2.63
1200 $2.29
2400 $1.96
4800 $1.79

对于大批量采购或非库存产品,点击这里请求报价

. 现货,可今天发货.
索取样品:

典型应用

与Maxim MAX17498B一起使用

输入电压 输出 1 功率 Fsw
18 V 36 V 5 V , 1.5 A 7.5 W 500 kHz

规格

Electrical specifications at 25°C.

零件号 2 0A时的
电感 (µH) 3
(公差: ±10%)
最小电感
  1.5 A (µH) 4
DCR max (Ω) 5 最大
漏电感
(µH) 6
匝数比 7 隔离
电压 (Vrms) 8
Pri Sec Aux Pri : Sec : Aux
MA5237-EL_ 60.0 54.0 0.110 0.035 0.170 0.565 1 : 0.5 : 0.25 3500
注释
  1. Output of the secondary is with the windings connected in parallel. Aux winding output is 2.5 V, 20 mA.
  2. When ordering, please specify packaging code: e.g. MA5237-ELD
  3. Inductance is for the primary, measured at 500 kHz, 0.1 Vrms.
  4. Peak primary current drawn at minimum input voltage.
  5. DCR for the secondary is measured with the windings connected in parallel. DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  6. Leakage inductance is for the primary winding with the secondary windings shorted.
  7. Turns ratios are with the secondary windings connected in parallel. 
  8. 3500 Vrms, one minute isolation primary to secondary windings.

端子:

  • RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) 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 (200 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 +125°C.
Tape and reel packaging: –40°C to +80°C
最高元件温度:
+125°C (ambient + temp rise)
故障率(FIT)/平均故障间隔时间(MTBF):
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

原理图

ma5237_schem.gif
Secondary windings to be connected
in parallel on the PC board.

物理特性

ma5237d-(1).gif

dims_inches_mm-(3).gif

卷装规格

tapereel_pl.gif


 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
13" (330 mm) A B C D E W P Po P1 H T part_or_c.gif
200 330 100 13 50,4 44,4 44 24 4 2 11.5 0,4

一般规格

核心材料:
Ferrite
重量:
7.1 g
包装:
200 per 13″ reel Plastic tape: 44 mm wide, 0.4 mm thick, 24 mm pocket spacing, 11.5 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 to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.