750311692 Wurth Electronics Inc, 750311692 Datasheet - Page 3

• Manufacturer Part Number: 750311692
• Description: TRANS FLYBACK LT3748 80UH SMD
• Manufacturer: Wurth Electronics Inc
• Series: WE-FBr
• Type: For DC/DC Convertersr

Specifications of 750311692

• Applications: Flyback Converters
• Intended Chipset: LT3573, LT3574, LT3575, LT3748
• Voltage - Primary: 8 ~ 15V
• Voltage - Isolation: 1500Vrms
• Frequency: 200kHz
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Footprint: 0.39" x 0.36" (9.8mm x 9.1mm)
• Height Above Board: 0.42" (10.5mm)
• Chipset Manufacturer: Linear Technology
• Inductance: 80µH
• 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: 732-2621-2

WE-PMI
Power Multilayer Inductor
Size 0805 / Size 0806
11/10
Electrical properties: Size 0805
Order Code
744 797 752 10
744 797 752 22
I
Inductance vs. Current
Electrical properties: Size 0806
Order Code
744 797 762 22
744 797 762 33
744 797 762 47
I
Inductance vs. Current
R
R
Product of the year
referring to self-heating, I
referring to self-heating, I
2010!*
sat
sat
Inductance
referring to inductance loss of 30%
Inductance
referring to inductance loss of 30%
±20%
±20%
(µH)
(µH)
1.0
2.2
2.2
3.3
4.7
10
10
1
0
1
0
1
1
2.2 µH
min.
min.
1.0 µH
10
12
15
2.2 µH
Q
Q
3.3 µH
4.7 µH
Frequency
Frequency
10
(MHz)
(MHz)
Test
Test
1
1
10
Strom/DC Current (mA)
Strom/DC Current (mA)
±30%
±30%
(mΩ)
(mΩ)
DCR
100
DCR
270
110
130
160
90
7 7
7 7
7 7
7 7
7 7
7 7
* Category Passive Components in the magazine ELEKTRONIK
Characteristics
Compact multilayer type
Suitable for applications with high currents
up to 2.5 A
Magnetically shielded construction: No crosstalk
Operating temperature: –40 °C to +125 °C
Recommended soldering profile: Reflow
Available in two different types
I
I
100
R
R
(mA)
(mA)
@ 20K
@ 20K
800
500
900
800
700
1000
I
I
R
R
(mA)
1100
(mA)
1200
1100
1000
@ 40K
@ 40K
700
10000
1000
(mA)
(mA)
700
500
400
300
250
I
I
sat
sat
(MHz)
(MHz)
min.
min.
SRF
100
SRF
70
75
60
45
4000
3000
Qty.
Qty.
7 7
7 7
Dimensions (in mm)
Land pattern (in mm)
Dimensions (in mm)
Land pattern (in mm)
Applications
DC/DC converters especially at high switching
frequencies (> 1 MHz)
Portable devices like PDA and digital cameras
0,5 ±0,3
0,5 ±0,3
2,0 ±0,2
2,0 ±0,2
0,8
0,8
0,8
0,8
www.we-online.com
0,8
0,8
03