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MA5401-AE
Flyback/Buck Transformer

  • Designed for use with the Texas Instruments UCC25230 Switching Converter
    (12 – 100 V input, 0.20 A output).
  • Designed to meet UL60950 Functional Isolation for working voltage up to 210 V peak.
  • 1000 Vrms (1500 Vdc) isolation
  • Tight coupling (k > 0.99), high inductance and excellent current handling
  • RoHS-compliant, halogen free. 260°C compatible. Silver-palladium-platinum-glass frit terminations

SPECIFICATIONS


Part number1
Click to get parts
Inductance2
±20% (µH)
DCR
max3
(Ohms)
SRF
typ4
(MHz)
Coupling
coefficient
typ
Leakage5
L typ
(µH)
Isat (A)6 Hipot7
(Vdc)
10% drop 20% drop 30% drop
MA5401-AE_ 220 5.25 6.5 >0.99 0.541 0.17 0.22 0.24 1500
1 When ordering, please specify terminations and packaging codes: e.g. MA5401-AEC
Termination: E = Halogen free component. RoHS compliant silver-palladium-platinum-glass frit terminations.
Special order, added cost: T = RoHS tin-silver-copper (95.5/4/0.5) or
S = non-RoHS tin-lead (63/37).
Packaging:

 

C = 7" machine-ready reel
EIA-481 embossed plastic tape 750 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 C instead.
D = 13" machine-ready reel
EIA-481 embossed plastic tape. Factory order only, not stocked (2500 parts per full reel).
2 Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value
3 DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value. DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
4 SRF measured using an Agilent/HP 4191A or equivalent. When leads are connected in parallel, SRF is the same value.
5 Leakage inductance is for L1 and is measured with L2 shorted.
6 Isat: DC current, at which the inductance drops the specified amount from its value without current. It is the sum of the current flowing in both windings.
7 Hipot production tested 100% at 1800 Vdc for 2 seconds.
8 Ambient temperature range: −40°C to +125°C (Ambient temperature + self-heating must not exceed a part temperature of 125°C.) See temperature rise calculation.
9 Storage temperature range: Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C
10 Maximum part temperature: +125°C (Ambient + temperature rise)
11 Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
12 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.

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Updated: October 30, 2017
Home | Design Tools | Samples | Kits | Price + Stock | Sales | Support | Jobs | Index | Site Map
Your comments and suggestions are welcome. Contact webmaster@coilcraft.com
Copyright © 2017, Coilcraft, Inc.   Privacy policy
Updated: October 30, 2017