750311439 Wurth Electronics Inc, 750311439 Datasheet - Page 5
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750311439
Manufacturer Part Number
750311439
Description
TRANS FLYBACK LT3748LT3575 37UH
Manufacturer
Wurth Electronics Inc
Series
WE-FBr
Type
For DC/DC Convertersr
Specifications of 750311439
Applications
Flyback Converters
Intended Chipset
LT3573, LT3574, LT3575, LT3748
Voltage - Primary
37 ~ 57V
Voltage - Auxillary
12V @ 30mA
Voltage - Isolation
1500Vrms
Frequency
250kHz
Operating Temperature
-40°C ~ 130°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
37µH
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
732-2644-2
STAR-BUENO
Snap Ferrite
With optical closing control mechanism
Characteristics of one turn
11/10
Electrical properties
Order Code
742 758 12
742 758 13
742 758 15
742 758 12
742 758 15
1000
1000
100
100
10
10
1
1
1
1
Frequenz/frequency (MHz)
Frequenz/frequency (MHz)
ergonomic design
10
10
Innovative &
25 MHz
100
120
180
100
100
Impedance (Ω)
1000
1000
100 MHz
150
200
250
7 7
7 7
7 7
7 7
742 758 13
Characteristics
Internal prefixing cable system facilitates the cable
assembling process
The security lock guarantees electromagnetic
compatibility because only authorized persons can
unlock the snap ferrite with the STAR-TEC key
Classification of the plastic case: UL94-V0
Operating temperature: –25 °C to +105 °C
1000
100
10
1
1
Material
4 W 620
Frequenz/frequency (MHz)
10
100
Cable ∅
2.5–5.0
4.5–8.5
4.5–8.5
(mm)
1000
7 7
7 7
7 7
Dimensions 742 758 12 (in mm)
Dimensions 742 758 13 (in mm)
Dimensions 742 758 15 (in mm)
Applications
EMC ferrite for the EMI suppression in the frequency
area from 1 MHz to 1 GHz
Fastening for round cables with diameter 2.5 mm to
8.5 mm or if winded more turns through the ferrite
Reusable because of the key technology therefore
perfect for test and measuring purposes in EMC labs
28,0 typ.
39,0 typ.
55,0 typ.
www.we-online.com
∅ Cable
4,5 ~ 8,5
∅ Cable
2,5 ~ 5,0
∅ Cable
4,5 ∼ 8,5
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