750311688 Wurth Electronics Inc, 750311688 Datasheet - Page 16

• Manufacturer Part Number: 750311688
• Description: TRANS FLYBACK LT3748LT3575 50UH
• Manufacturer: Wurth Electronics Inc
• Series: WE-FBr
• Type: For DC/DC Convertersr

Specifications of 750311688

• Applications: Flyback Converters
• Intended Chipset: LT3573, LT3574, LT3575, LT3748
• Voltage - Primary: 36V
• Voltage - Auxillary: 10V @ 20mA
• Voltage - Isolation: 1500Vrms
• 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: 50µH
• Transformer Type: Isolation and Data Interface (Encapsulated)
• Turns Ratio - Primary:secondary: 5 : 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• E.t.: -
• Other names: 732-2646-2

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