750311458 Wurth Electronics Inc, 750311458 Datasheet - Page 7

TRANS FLYBACK LT3748LT3575 15UH

750311458

Manufacturer Part Number
750311458
Description
TRANS FLYBACK LT3748LT3575 15UH
Manufacturer
Wurth Electronics Inc
Series
WE-FBr
Type
For DC/DC Convertersr
Datasheets

Specifications of 750311458

Applications
Flyback Converters
Intended Chipset
LT3573, LT3574, LT3575, LT3748
Voltage - Primary
36V
Voltage - Auxillary
8V @ 20mA
Voltage - Isolation
2500Vrms
Frequency
100kHz
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
15µH
Transformer Type
Isolation and Data Interface (Encapsulated)
Turns Ratio - Primary:secondary
3 : 1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
E.t.
-
Other names
732-2635-2
STAR-FIX LFS
Low Frequency Suppressor Snap Ferrite
Suppression in the low frequency range between 300 kHz to 30 MHz
11/10
Electrical properties
Order Code
742 727 33
742 727 22
742 71: 5 safety keys
Impedance vs. Frequency
100
10
0.1
150 kHz to 30 MHz
(mm)
Frequenz/frequency (MHz)
35.1
35.1
A
1
B
(mm)
21.7
31.0
B
10
(mm)
100
18.2
28.0
C
1 MHz
7 7
7 7
30
Comparison of core material
Impedance (Ω)
Characteristics
Ferrite core made of MnZn, a material which works
in the low frequency range
Operating temperature: –25 ºC to +85 ºC
1000
100
10
1
0.1
10 MHz
45
Frequenz/frequency (MHz)
1
8 W 5000
Material
10
NiZn
MnZn
Cable ∅
8.5–12.5
4.5–8.0
(mm)
100
7 7
7 7
7 7
7 7
Dimensions
Applications
Especially for applications in the low frequency range
from 150 kHz to 30 MHz
Perfect for applications with varying cable diameter
Reusable because of the key technology therefore
perfect for test and measuring purposes and cables
with difficult access
Suppression of electronic ballasts (i.e. neon tube) in
the lighting industry
A
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07

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