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© 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.
Flyback
Transformer
Document 734
Document 734 Revised 12/16/11
1. Inductance is measured at 100 kHz, 0.1 Vrms.
2. Peak primary current drawn at minimum input voltage.
3. DCR is with the windings connected in parallel.
4. Leakage inductance is for both windings of the primary with the second-
ary windings shorted.
Inductance Inductance DCR max Leakage Volt-time
Part at 0 A1 at Ipk2 (Ohms)3 inductance4 Turns ratio5
Ipk2 product
number ±10% (µH) min (µH) pri sec max (µH) pri : sec (A) typ (V µsec)
HA4060-AL 300 270 0.422 1.58 2.7 1 : 3 2.0 600
Core material Ferrite
Terminations RoHS tin-silver over tin over nickel over phos bronze.
Other terminations available at additional cost.
Weight 23.8 g
Ambient temperature –40°C to +85°C
Storage temperature Component: –40°C to +85°C.
Tray 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 24 per tray
PCB washing Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf.
• Flyback transformer for the Linear Technology LT3751 Capacitor
Charger Controller
• 120 – 377 V input; up to 500 V output
• 3000 Vrms isolation from primary to secondary windings
Primary windings and second-
ary windings to be connected in
parallel on PC board.
For Linear Technology LT3751
Capacitor Charger Controller
Dimensions are in inches
mm
8
2
12
5
1
11
Pri Sec
6
7
0.551
14,0
1.350
34,29 max
0.004 / 0,10
max
Recommended
Land Pattern
1.053
26,75
1.024
26,0
0.148
3,75
0.148
3,75
0.079
2,00
0.039
1,00
max
121
1
1.10
28,2
0.108
2,75
Dot indicates pin 1
12
HA4060-AL
XXXXY
Parts manufactured prior
to December 2011 may
be marked differently.
5. Turns ratios are with the primary and secondary windings connected in
parallel.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
