750311385 Wurth Electronics Inc, 750311385 Datasheet - Page 16
![TRANS FLYBACK LT3748 15UH SMD](/photos/15/55/155522/750311385_sml.jpg)
750311385
Manufacturer Part Number
750311385
Description
TRANS FLYBACK LT3748 15UH SMD
Manufacturer
Wurth Electronics Inc
Series
WE-FBr
Type
For DC/DC Convertersr
Specifications of 750311385
Applications
Flyback Converters
Intended Chipset
LT3573, LT3574, LT3575, LT3748
Voltage - Primary
18 ~ 60V
Voltage - Auxillary
14V @ 50mA
Voltage - Isolation
1500Vrms
Frequency
210kHz
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Footprint
1.15" x 0.91" (29.1mm x 23.1mm)
Height Above Board
0.45" (11.4mm)
Chipset Manufacturer
Linear Technology
Inductance
15µH
Transformer Type
Isolation and Data Interface (Encapsulated)
Turns Ratio - Primary:secondary
1.25 : 1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
E.t.
-
Other names
732-2648-2
16
WE-TI
Radial Leaded Wire Wound Inductor
Size LM
Electrical properties
Order Code
744 732 015
744 732 100
744 732 470
744 732 121
744 732 221
744 732 331
744 732 471
744 732 681
744 732 102
744 732 152
Inductance vs. Frequency
www.we-online.com
High rated and saturation
currents in small size
10000
1000
100
10
1
0
0.01
1000
1500
(µH)
120
220
330
470
680
1.5
10
47
744 732 102
744 732 121
744 732 100
744 732 015
L
0.1
Tolerance
Frequenz/frequency (MHz)
±20
±20
±10
±10
±10
±10
±10
±10
±10
±10
(%)
1
DCR max.
10
0.010
0.033
0.14
0.38
0.70
1.20
1.70
2.20
3.40
4.70
(Ω)
7 7
7 7
7 7
7 7
Characteristics
Low profile <8.0 mm
Rated current up to 7 A
Saturation current up to 9 A
Heatshrink Tube for winding protection
100
7.00
4.00
1.80
1.00
0.75
0.60
0.45
0.42
0.33
0.29
(A)
I
R
1000
9.00
4.00
1.90
1.10
1.20
1.00
0.90
0.75
0.60
0.50
(A)
I
sat
Inductance vs. Current
10000
1000
100
0.1
10
1
0.1
Shrink Tube
Type
744 732 102
744 732 121
744 732 100
744 732 015
7 7
7 7
7 7
7 7
Dimensions (in mm)
Applications
Signal filtering
Power supply filter
EMI filter
Switching regulators with low operating voltages
1
A
A
Strom/current (A)
9,5 max.
5,0 ±0,5
10
∅ 0,65 ref.
sectional drawing A-A
11/10
100