750311598 Wurth Electronics Inc, 750311598 Datasheet - Page 12
![TRANS FLYBACK LT3748 8.3UH SMD](/photos/15/54/155495/750311598_sml.jpg)
750311598
Manufacturer Part Number
750311598
Description
TRANS FLYBACK LT3748 8.3UH SMD
Manufacturer
Wurth Electronics Inc
Series
WE-FBr
Type
For DC/DC Convertersr
Specifications of 750311598
Applications
Flyback Converters
Intended Chipset
LT3573, LT3574, LT3575, LT3748
Voltage - Primary
20 ~ 48V
Voltage - Isolation
1500Vrms
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
8.3µH
Transformer Type
Isolation and Data Interface (Encapsulated)
Turns Ratio - Primary:secondary
2 : 1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
E.t.
-
Other names
732-2651-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
750311598
Manufacturer:
WURTH/伍尔特
Quantity:
20 000
12
WE-TDC
SMD Coupled Inductor
Size 8018
Electrical properties
Order Code
744 894 300 033
744 894 300 068
744 894 300 10
744 894 300 22
744 894 300 27
744 894 300 39
744 894 300 56
744 894 300 68
744 894 301 00
744 894 301 20
744 894 301 50
744 894 301 80
744 894 302 20
I
I
Inductance vs. Current
R
sat
www.we-online.com
40 K over ambient temperature when both windings in series are energized by rated current mentioned.
inductance drop of 10% typ when energizing one winding by I
25
20
15
10
5
0
0.1
currents up to 14 A
Height 1.8 mm and
Inductance
(µH)
0.33
0.68
1.00
2.20
2.70
3.90
5.60
6.80
10.0
12.0
15.0
18.0
22.0
DCR typ.
Strom/current (A)
(mΩ)
11.1
16.3
22.2
49.5
69.5
82.0
114
128
190
202
275
345
435
sat
mentioned.
1
DCR max.
(mΩ)
15.0
21.0
28.0
58.0
80.5
94.0
131
146
215
227
308
380
480
7 7
7 7
7 7
7 7
7 7
7 7
7 7
7 7
7 7
7 7
Characteristics
Core material: NiZn
Low profile
Magnetical shielded which results in a low leakage
field
8x8 mm case
1:1 transformer
Low self-losses
High self resonance frequency
Coupled inductor with two identical windings
Recommended solder profile: Reflow
Operating temperature: –40 °C up to +125 °C
I
R
4.00
3.30
2.85
1.90
1.85
1.60
1.45
1.25
1.00
0.95
0.85
0.80
0.70
max.
(A)
10
I
sat
9.00
6.50
5.10
3.50
3.00
2.55
2.20
2.00
1.65
1.55
1.25
1.20
1.10
(A)
typ.
(MHz)
744 894 300 033
744 894 300 068
744 894 300 10
744 894 300 22
744 894 300 27
744 894 300 39
744 894 300 56
744 894 300 68
744 894 301 00
744 894 301 20
744 894 301 50
744 894 301 80
744 894 302 20
SRF
280
190
136
85
65
60
50
46
35
33
29
27
17
Qty.
550
7 7
7 7
7 7
7 7
Dimensions (in mm)
Land pattern (in mm)
Schematic
2
Applications
Non-isolated flyback converter
Buck or Boost with AUX winding
BUCK-BOOST, SEPIC, ZETA & CUK Converter
Switching regulators with secondary unregulated
output voltages
8,0 ±0,3
1,0 typ.
1
3
3
1
4
4x 3,6
3,2 typ.
4
2
11/10