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B0226-EL Datasheet

SMT Flyback Transformer

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Document 348
SMT Flyback Transformer forONSemiconductor
NCP1030
This flyback transformer was developed specifically for
ON Semiconductor’s isolated 2 W Bias Supply using the
NCP1030, and is specified in Application Note AND8119/D.
It is ideal for 48 V telecom and 42 V automotive applications.
It features interleaved primary and secondary windings to
minimize leakage inductance. It is designed for 35–76 V
input. Isolation (hipot) is 1500 Vrms, one minute between
the primary and secondary windings and 750 Vrms between
windings and the core.
To request free evaluation samples, contact Coilcraft or
visit www.coilcraft.com.
Core material Ferrite
Terminations  RoHS tin-silver (96.5/3.5) over tin over nickel over phos
bronze.
Weight  0.96 g
Ambient temperature  –40°C to +85°C
Maximum part temperature  +125°C (ambient + temp rise)
Storage temperature  Component: –40°C to +85°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)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 600 per 13reel  Plastic tape: 24 mm wide,
0.37 mm thick, 16 mm pocket spacing, 6.1 mm pocket depth
PCB washing  Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf.
Inductance Inductance
at 0 Adc2
at Ipk3
DCR max
Part number1 ±10% (µH) min (µH)
(Ohms)
Leakage
Inductance4
Turns ratio
max (µH) pri : sec (7-8)  pri : sec (5-6)
Ipk3
(mA)
B0226-EL_
120
102
0.655 (pins 1 – 4) 0.95
0.820 (pins 2 – 3)
0.248 (pins 7 – 8)
0.248 (pins 5 – 6)
1:0.36    1:0.36 400
1. When ordering, specify a packaging code:
B0226-ELD
Packaging: D = 13machine ready reel. EIA-481 embossed plastic
tape (600 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 275 kHz, 0.5 Vrms.
3. Peak primary current drawn at minimum input voltage.
4. Leakage inductance is for the primary winding with the secondary wind-
ings shorted.
5. Operating temperature range -40°C to +85°C.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
1
2
Primary
35 V – 76 V
3
4
8
Sec 1
12 V, 167 mA
7
6
Sec 2
12 V, 3 mA
5
1
0.400
10,16
max
Dot indicates pin 1
0.475
12,07
max
0.028
0,70
0.079
2,00
Parts manufactured prior
to December 2011 may
be marked differently.
0.235
5,97
max
4
3
2
1
Dimensions are in
inches
mm
0.004 / 0,10
0.067
1,70
0.358
9,09
5 18
6
0.079
7 2,00
8
0.063
1,60
Recommended
Land Pattern
Document 348  Revised 06/18/15


Part Number B0226-EL
Description SMT Flyback Transformer
Maker Coilcraft
Total Page 1 Pages
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