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Document 500
Flyback Transformer ForDC-DC converters based on
Power Integrations DPA423G
• Designed in accordance with Power Integrations Engineering
Prototype Report EPR-86
• Operates in continuous conduction mode with 36 – 57 V input
• 1500 Vrms isolation between primary and secondary
Core material Ferrite
Terminations  RoHS tin-silver over tin over nickel over phos bronze.
Other terminations available at additional cost.
Weight  2.4 g
Ambient temperature  –40°C to +125°C
Storage temperature  Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat  Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL)  1 (unlimited floor life at <30°C /
85% relative humidity)
Packaging  400 per 13reel  Plastic tape:  32 mm wide, 0.4 mm thick,
20 mm pocket spacing, 7.6 mm pocket depth
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
PCB washing  Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf
Part
number1
Inductance Inductance
at 0 Adc2
at Ipk3
DCR max
±10% (µH) min (µH)
(Ohms)
Leakage
inductance4
Turns ratios5
max (µH)
pri : sec  pri : bias
DA2062-AL_
120
97
0.475 (pins 3 – 1)
0.013 (pins 9 – 6)
0.013 (pins 10 – 7)
0.181 (pins 4 – 5)
3.0
1 : 0.1 1 : 0.4
Ipk3
(A)
0.64
Secondary
output
3.3 V, 2 A
1. When ordering, please specify a packaging code:
DA2062-ALD
Packaging: D = 13machine ready reel. EIA-481 embossed plastic
tape (400 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.
2. Inductance is for the primary, measured at 375 kHz, 0.6 Vrms, 0 Adc.
3. Peak primary current drawn at minimum input voltage.
4. Leakage inductance is for the primary and is measured with secondary
windings shorted.
5. Turns ratio is with the secondary windings connected in parallel.
7. Output of the secondary is with the windings connected in parallel. Bias
winding output is 14 V.
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Parts manufactured prior
to November 2011 may
be marked differently.
Dot indicates pin 1
1 10
0.585
14,86
max
56
0.660
16,76
max
0.300
7,62
max
0.098
2,50
5
6
1
½ Pri
2
½ Pri
3
9
10
Sec
7
6
4
Bias
5
Secondary windings to be
connected in parallel on
PC board
0.004 / 0,10
0.098
2,50
0.098
2,50
Recommended
Land Pattern
0.512
13,00
1 10
0.029
0,74
1 10
Dimensions are in
inches
mm
0.069
1,75
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 500  Revised 11/29/11
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.