Coilcraft, Inc. 2010
Specifications subject to change without notice.
Please check our website for latest information.
Flyback Transformer
Document 734
Revised 02/0909
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
secondary windings shorted.
Inductance
DCR max
Leakage
Volt-time
Part
at 0 A1
at Ipk2
(Ohms)3
inductance4
Turns ratio5
Ipk2
product
number
±10% (H)
min (H)
pri
sec
max (H)
pri : sec
(A)
typ (V sec)
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.
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 Only pure water or alcohol recommended
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 secondary
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
12
1
1.10
28,2
0.108
2,75
Dot indicates pin 1
12
HA4060-
AL
CCIxxxx
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.