750311486 Wurth Electronics Inc, 750311486 Datasheet - Page 11
![TRANS FLYBACK LT3748 100UH SMD](/photos/15/55/155500/750311486_sml.jpg)
750311486
Manufacturer Part Number
750311486
Description
TRANS FLYBACK LT3748 100UH SMD
Manufacturer
Wurth Electronics Inc
Series
WE-FBr
Type
For DC/DC Convertersr
Specifications of 750311486
Applications
Flyback Converters
Intended Chipset
LT3573, LT3574, LT3575, LT3748
Voltage - Primary
12V
Voltage - Auxillary
4V @ 20mA
Voltage - Isolation
1500Vrms
Frequency
50kHz
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Footprint
0.70" x 0.53" (17.8mm x 13.5mm)
Height Above Board
0.50" (12.7mm)
Chipset Manufacturer
Linear Technology
Inductance
100µH
Transformer Type
Isolation and Data Interface (Encapsulated)
Turns Ratio - Primary:secondary
1 : 10
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
E.t.
-
Other names
732-2622-2
WE-TPC
SMD Shielded Tiny Power Inductor
Size 2828
11/10
Electrical properties
Order Code
744 025 000 47
744 025 000 72
744 025 001
744 025 002
744 025 003
744 025 004
744 025 006
744 025 100
744 025 150
744 025 220
I
I
Inductance vs. Current
R
sat
referring to 40 K self-heating above ambient temperature
referring to inductance loss of 35% typ.
package size!
0.04
0.2
25
25
Small
5
5
1
1
0.0
0.5
Inductance
(µH)
0.47
0.72
1.20
2.20
3.30
4.70
6.80
10.0
15.0
22.0
1.0
1.5
Tolerance
±25
±25
±20
±20
±20
±20
±20
±20
±20
±20
(%)
2.0
2.5
Strom/current (A)
DCR typ.
(mΩ)
3.0
saturation current!
19.0
23.5
36.0
57.0
85.0
100
142
170
356
525
Extremely high
3.5
7 7
7 7
7 7
7 7
7 7
Characteristics
Flat power inductor 2.8 x 2.8 x 2.8 mm
High current capability up to 4.7 A
Magnetically shielded which results in a low leakage
field
Recommended solder profile: Reflow
Operating temperature: –40 °C to +125 °C
DCR max.
4.0
(mΩ)
23.0
27.5
42.0
66.0
101
120
165
190
400
575
4.5
5.0
3.30
3.00
2.60
1.80
1.50
1.35
1.10
1.00
0.72
0.50
(A)
I
R
5.5
6.0
4.70
4.00
3.00
2.40
1.80
1.70
1.30
1.10
0.90
0.75
(A)
I
sat
744 025 000 47
744 025 000 72
744 025 001
744 025 002
744 025 003
744 025 004
744 025 006
744 025 100
744 025 150
744 025 220
Qty.
550
7 7
7 7
7 7
7 7
Dimensions (in mm)
Land pattern (in mm)
Applications
Portable power like PDA, digital camera, PCMCIA
cards and displays
DC/DC converter
Embedded PC
Mobile data gathering, telemetric
2,85 ±0,25
0,975 typ.
0,90 typ.
1,0
0,975 typ.
1,2
www.we-online.com
1,0
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